Add m-esr52 at 52.6.0

4 files changed, 5921 insertions, 0 deletions

diff --git a/third_party/rust/url/tests/data.rs b/third_party/rust/url/tests/data.rs
new file mode 100644
index 000000000..b8945aa48
--- /dev/null
+++ b/third_party/rust/url/tests/data.rs
@@ -0,0 +1,193 @@
+// Copyright 2013-2014 The rust-url developers.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+//! Data-driven tests
+
+extern crate rustc_serialize;
+extern crate test;
+extern crate url;
+
+use rustc_serialize::json::{self, Json};
+use url::{Url, quirks};
+
+
+fn run_parsing(input: String, base: String, expected: Result<ExpectedAttributes, ()>) {
+    let base = match Url::parse(&base) {
+        Ok(base) => base,
+        Err(message) => panic!("Error parsing base {:?}: {}", base, message)
+    };
+    let (url, expected) = match (base.join(&input), expected) {
+        (Ok(url), Ok(expected)) => (url, expected),
+        (Err(_), Err(())) => return,
+        (Err(message), Ok(_)) => panic!("Error parsing URL {:?}: {}", input, message),
+        (Ok(_), Err(())) => panic!("Expected a parse error for URL {:?}", input),
+    };
+
+    url.assert_invariants();
+
+    macro_rules! assert_eq {
+        ($expected: expr, $got: expr) => {
+            {
+                let expected = $expected;
+                let got = $got;
+                assert!(expected == got, "{:?} != {} {:?} for URL {:?}",
+                        got, stringify!($expected), expected, url);
+            }
+        }
+    }
+
+    macro_rules! assert_attributes {
+        ($($attr: ident)+) => {
+            {
+                $(
+                    assert_eq!(expected.$attr, quirks::$attr(&url));
+                )+;
+            }
+        }
+    }
+
+    assert_attributes!(href protocol username password host hostname port pathname search hash);
+
+    if let Some(expected_origin) = expected.origin {
+        assert_eq!(expected_origin, quirks::origin(&url));
+    }
+}
+
+struct ExpectedAttributes {
+    href: String,
+    origin: Option<String>,
+    protocol: String,
+    username: String,
+    password: String,
+    host: String,
+    hostname: String,
+    port: String,
+    pathname: String,
+    search: String,
+    hash: String,
+}
+
+trait JsonExt {
+    fn take(&mut self, key: &str) -> Option<Json>;
+    fn object(self) -> json::Object;
+    fn string(self) -> String;
+    fn take_string(&mut self, key: &str) -> String;
+}
+
+impl JsonExt for Json {
+    fn take(&mut self, key: &str) -> Option<Json> {
+        self.as_object_mut().unwrap().remove(key)
+    }
+
+    fn object(self) -> json::Object {
+        if let Json::Object(o) = self { o } else { panic!("Not a Json::Object") }
+    }
+
+    fn string(self) -> String {
+        if let Json::String(s) = self { s } else { panic!("Not a Json::String") }
+    }
+
+    fn take_string(&mut self, key: &str) -> String {
+        self.take(key).unwrap().string()
+    }
+}
+
+fn collect_parsing<F: FnMut(String, test::TestFn)>(add_test: &mut F) {
+    // Copied form https://github.com/w3c/web-platform-tests/blob/master/url/
+    let mut json = Json::from_str(include_str!("urltestdata.json"))
+        .expect("JSON parse error in urltestdata.json");
+    for entry in json.as_array_mut().unwrap() {
+        if entry.is_string() {
+            continue  // ignore comments
+        }
+        let base = entry.take_string("base");
+        let input = entry.take_string("input");
+        let expected = if entry.find("failure").is_some() {
+            Err(())
+        } else {
+            Ok(ExpectedAttributes {
+                href: entry.take_string("href"),
+                origin: entry.take("origin").map(Json::string),
+                protocol: entry.take_string("protocol"),
+                username: entry.take_string("username"),
+                password: entry.take_string("password"),
+                host: entry.take_string("host"),
+                hostname: entry.take_string("hostname"),
+                port: entry.take_string("port"),
+                pathname: entry.take_string("pathname"),
+                search: entry.take_string("search"),
+                hash: entry.take_string("hash"),
+            })
+        };
+        add_test(format!("{:?} @ base {:?}", input, base),
+                 test::TestFn::dyn_test_fn(move || run_parsing(input, base, expected)));
+    }
+}
+
+fn collect_setters<F>(add_test: &mut F) where F: FnMut(String, test::TestFn) {
+    let mut json = Json::from_str(include_str!("setters_tests.json"))
+        .expect("JSON parse error in setters_tests.json");
+
+    macro_rules! setter {
+        ($attr: expr, $setter: ident) => {{
+            let mut tests = json.take($attr).unwrap();
+            for mut test in tests.as_array_mut().unwrap().drain(..) {
+                let comment = test.take("comment").map(Json::string).unwrap_or(String::new());
+                let href = test.take_string("href");
+                let new_value = test.take_string("new_value");
+                let name = format!("{:?}.{} = {:?} {}", href, $attr, new_value, comment);
+                let mut expected = test.take("expected").unwrap();
+                add_test(name, test::TestFn::dyn_test_fn(move || {
+                    let mut url = Url::parse(&href).unwrap();
+                    url.assert_invariants();
+                    let _ = quirks::$setter(&mut url, &new_value);
+                    assert_attributes!(url, expected,
+                        href protocol username password host hostname port pathname search hash);
+                    url.assert_invariants();
+                }))
+            }
+        }}
+    }
+    macro_rules! assert_attributes {
+        ($url: expr, $expected: expr, $($attr: ident)+) => {
+            $(
+                if let Some(value) = $expected.take(stringify!($attr)) {
+                    assert_eq!(quirks::$attr(&$url), value.string())
+                }
+            )+
+        }
+    }
+    setter!("protocol", set_protocol);
+    setter!("username", set_username);
+    setter!("password", set_password);
+    setter!("hostname", set_hostname);
+    setter!("host", set_host);
+    setter!("port", set_port);
+    setter!("pathname", set_pathname);
+    setter!("search", set_search);
+    setter!("hash", set_hash);
+}
+
+fn main() {
+    let mut tests = Vec::new();
+    {
+        let mut add_one = |name: String, run: test::TestFn| {
+            tests.push(test::TestDescAndFn {
+                desc: test::TestDesc {
+                    name: test::DynTestName(name),
+                    ignore: false,
+                    should_panic: test::ShouldPanic::No,
+                },
+                testfn: run,
+            })
+        };
+        collect_parsing(&mut add_one);
+        collect_setters(&mut add_one);
+    }
+    test::test_main(&std::env::args().collect::<Vec<_>>(), tests)
+}
diff --git a/third_party/rust/url/tests/setters_tests.json b/third_party/rust/url/tests/setters_tests.json
new file mode 100644
index 000000000..669cc084a
--- /dev/null
+++ b/third_party/rust/url/tests/setters_tests.json
@@ -0,0 +1,1148 @@
+{
+    "comment": [
+        "## Tests for setters of https://url.spec.whatwg.org/#urlutils-members",
+        "",
+        "This file contains a JSON object.",
+        "Other than 'comment', each key is an attribute of the `URL` interface",
+        "defined in WHATWG’s URL Standard.",
+        "The values are arrays of test case objects for that attribute.",
+        "",
+        "To run a test case for the attribute `attr`:",
+        "",
+        "* Create a new `URL` object with the value for the 'href' key",
+        "  the constructor single parameter. (Without a base URL.)",
+        "  This must not throw.",
+        "* Set the attribute `attr` to (invoke its setter with)",
+        "  with the value of for 'new_value' key.",
+        "* The value for the 'expected' key is another object.",
+        "  For each `key` / `value` pair of that object,",
+        "  get the attribute `key` (invoke its getter).",
+        "  The returned string must be equal to `value`.",
+        "",
+        "Note: the 'href' setter is already covered by urltestdata.json."
+    ],
+    "protocol": [
+        {
+            "comment": "The empty string is not a valid scheme. Setter leaves the URL unchanged.",
+            "href": "a://example.net",
+            "new_value": "",
+            "expected": {
+                "href": "a://example.net/",
+                "protocol": "a:"
+            }
+        },
+        {
+            "href": "a://example.net",
+            "new_value": "b",
+            "expected": {
+                "href": "b://example.net/",
+                "protocol": "b:"
+            }
+        },
+        {
+            "comment": "Upper-case ASCII is lower-cased",
+            "href": "a://example.net",
+            "new_value": "B",
+            "expected": {
+                "href": "b://example.net/",
+                "protocol": "b:"
+            }
+        },
+        {
+            "comment": "Non-ASCII is rejected",
+            "href": "a://example.net",
+            "new_value": "é",
+            "expected": {
+                "href": "a://example.net/",
+                "protocol": "a:"
+            }
+        },
+        {
+            "comment": "No leading digit",
+            "href": "a://example.net",
+            "new_value": "0b",
+            "expected": {
+                "href": "a://example.net/",
+                "protocol": "a:"
+            }
+        },
+        {
+            "comment": "No leading punctuation",
+            "href": "a://example.net",
+            "new_value": "+b",
+            "expected": {
+                "href": "a://example.net/",
+                "protocol": "a:"
+            }
+        },
+        {
+            "href": "a://example.net",
+            "new_value": "bC0+-.",
+            "expected": {
+                "href": "bc0+-.://example.net/",
+                "protocol": "bc0+-.:"
+            }
+        },
+        {
+            "comment": "Only some punctuation is acceptable",
+            "href": "a://example.net",
+            "new_value": "b,c",
+            "expected": {
+                "href": "a://example.net/",
+                "protocol": "a:"
+            }
+        },
+        {
+            "comment": "Non-ASCII is rejected",
+            "href": "a://example.net",
+            "new_value": "bé",
+            "expected": {
+                "href": "a://example.net/",
+                "protocol": "a:"
+            }
+        },
+        {
+            "comment": "Spec deviation: from special scheme to not is not problematic. https://github.com/whatwg/url/issues/104",
+            "href": "http://example.net",
+            "new_value": "b",
+            "expected": {
+                "href": "b://example.net/",
+                "protocol": "b:"
+            }
+        },
+        {
+            "comment": "Cannot-be-a-base URL doesn’t have a host, but URL in a special scheme must.",
+            "href": "mailto:me@example.net",
+            "new_value": "http",
+            "expected": {
+                "href": "mailto:me@example.net",
+                "protocol": "mailto:"
+            }
+        },
+        {
+            "comment": "Spec deviation: from non-special scheme with a host to special is not problematic. https://github.com/whatwg/url/issues/104",
+            "href": "ssh://me@example.net",
+            "new_value": "http",
+            "expected": {
+                "href": "http://me@example.net/",
+                "protocol": "http:"
+            }
+        },
+        {
+            "comment": "Stuff after the first ':' is ignored",
+            "href": "http://example.net",
+            "new_value": "https:foo : bar",
+            "expected": {
+                "href": "https://example.net/",
+                "protocol": "https:"
+            }
+        },
+        {
+            "comment": "Stuff after the first ':' is ignored",
+            "href": "data:text/html,<p>Test",
+            "new_value": "view-source+data:foo : bar",
+            "expected": {
+                "href": "view-source+data:text/html,<p>Test",
+                "protocol": "view-source+data:"
+            }
+        }
+    ],
+    "username": [
+        {
+            "comment": "No host means no username",
+            "href": "file:///home/you/index.html",
+            "new_value": "me",
+            "expected": {
+                "href": "file:///home/you/index.html",
+                "username": ""
+            }
+        },
+        {
+            "comment": "No host means no username",
+            "href": "unix:/run/foo.socket",
+            "new_value": "me",
+            "expected": {
+                "href": "unix:/run/foo.socket",
+                "username": ""
+            }
+        },
+        {
+            "comment": "Cannot-be-a-base means no username",
+            "href": "mailto:you@example.net",
+            "new_value": "me",
+            "expected": {
+                "href": "mailto:you@example.net",
+                "username": ""
+            }
+        },
+        {
+            "href": "http://example.net",
+            "new_value": "me",
+            "expected": {
+                "href": "http://me@example.net/",
+                "username": "me"
+            }
+        },
+        {
+            "href": "http://:secret@example.net",
+            "new_value": "me",
+            "expected": {
+                "href": "http://me:secret@example.net/",
+                "username": "me"
+            }
+        },
+        {
+            "href": "http://me@example.net",
+            "new_value": "",
+            "expected": {
+                "href": "http://example.net/",
+                "username": ""
+            }
+        },
+        {
+            "href": "http://me:secret@example.net",
+            "new_value": "",
+            "expected": {
+                "href": "http://:secret@example.net/",
+                "username": ""
+            }
+        },
+        {
+            "comment": "UTF-8 percent encoding with the userinfo encode set.",
+            "href": "http://example.net",
+            "new_value": "\u0000\u0001\t\n\r\u001f !\"#$%&'()*+,-./09:;<=>?@AZ[\\]^_`az{|}~\u007f\u0080\u0081Éé",
+            "expected": {
+                "href": "http://%00%01%09%0A%0D%1F%20!%22%23$%&'()*+,-.%2F09%3A%3B%3C%3D%3E%3F%40AZ%5B%5C%5D%5E_%60az%7B%7C%7D~%7F%C2%80%C2%81%C3%89%C3%A9@example.net/",
+                "username": "%00%01%09%0A%0D%1F%20!%22%23$%&'()*+,-.%2F09%3A%3B%3C%3D%3E%3F%40AZ%5B%5C%5D%5E_%60az%7B%7C%7D~%7F%C2%80%C2%81%C3%89%C3%A9"
+            }
+        },
+        {
+            "comment": "Bytes already percent-encoded are left as-is.",
+            "href": "http://example.net",
+            "new_value": "%c3%89té",
+            "expected": {
+                "href": "http://%c3%89t%C3%A9@example.net/",
+                "username": "%c3%89t%C3%A9"
+            }
+        }
+    ],
+    "password": [
+        {
+            "comment": "No host means no password",
+            "href": "file:///home/me/index.html",
+            "new_value": "secret",
+            "expected": {
+                "href": "file:///home/me/index.html",
+                "password": ""
+            }
+        },
+        {
+            "comment": "No host means no password",
+            "href": "unix:/run/foo.socket",
+            "new_value": "secret",
+            "expected": {
+                "href": "unix:/run/foo.socket",
+                "password": ""
+            }
+        },
+        {
+            "comment": "Cannot-be-a-base means no password",
+            "href": "mailto:me@example.net",
+            "new_value": "secret",
+            "expected": {
+                "href": "mailto:me@example.net",
+                "password": ""
+            }
+        },
+        {
+            "href": "http://example.net",
+            "new_value": "secret",
+            "expected": {
+                "href": "http://:secret@example.net/",
+                "password": "secret"
+            }
+        },
+        {
+            "href": "http://me@example.net",
+            "new_value": "secret",
+            "expected": {
+                "href": "http://me:secret@example.net/",
+                "password": "secret"
+            }
+        },
+        {
+            "href": "http://:secret@example.net",
+            "new_value": "",
+            "expected": {
+                "href": "http://example.net/",
+                "password": ""
+            }
+        },
+        {
+            "href": "http://me:secret@example.net",
+            "new_value": "",
+            "expected": {
+                "href": "http://me@example.net/",
+                "password": ""
+            }
+        },
+        {
+            "comment": "UTF-8 percent encoding with the userinfo encode set.",
+            "href": "http://example.net",
+            "new_value": "\u0000\u0001\t\n\r\u001f !\"#$%&'()*+,-./09:;<=>?@AZ[\\]^_`az{|}~\u007f\u0080\u0081Éé",
+            "expected": {
+                "href": "http://:%00%01%09%0A%0D%1F%20!%22%23$%&'()*+,-.%2F09%3A%3B%3C%3D%3E%3F%40AZ%5B%5C%5D%5E_%60az%7B%7C%7D~%7F%C2%80%C2%81%C3%89%C3%A9@example.net/",
+                "password": "%00%01%09%0A%0D%1F%20!%22%23$%&'()*+,-.%2F09%3A%3B%3C%3D%3E%3F%40AZ%5B%5C%5D%5E_%60az%7B%7C%7D~%7F%C2%80%C2%81%C3%89%C3%A9"
+            }
+        },
+        {
+            "comment": "Bytes already percent-encoded are left as-is.",
+            "href": "http://example.net",
+            "new_value": "%c3%89té",
+            "expected": {
+                "href": "http://:%c3%89t%C3%A9@example.net/",
+                "password": "%c3%89t%C3%A9"
+            }
+        }
+    ],
+    "host": [
+        {
+            "comment": "Cannot-be-a-base means no host",
+            "href": "mailto:me@example.net",
+            "new_value": "example.com",
+            "expected": {
+                "href": "mailto:me@example.net",
+                "host": ""
+            }
+        },
+        {
+            "comment": "Cannot-be-a-base means no password",
+            "href": "data:text/plain,Stuff",
+            "new_value": "example.net",
+            "expected": {
+                "href": "data:text/plain,Stuff",
+                "host": ""
+            }
+        },
+        {
+            "href": "http://example.net",
+            "new_value": "example.com:8080",
+            "expected": {
+                "href": "http://example.com:8080/",
+                "host": "example.com:8080",
+                "hostname": "example.com",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Port number is unchanged if not specified in the new value",
+            "href": "http://example.net:8080",
+            "new_value": "example.com",
+            "expected": {
+                "href": "http://example.com:8080/",
+                "host": "example.com:8080",
+                "hostname": "example.com",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Port number is removed if empty in the new value: https://github.com/whatwg/url/pull/113",
+            "href": "http://example.net:8080",
+            "new_value": "example.com:",
+            "expected": {
+                "href": "http://example.com/",
+                "host": "example.com",
+                "hostname": "example.com",
+                "port": ""
+            }
+        },
+        {
+            "comment": "The empty host is not valid for special schemes",
+            "href": "http://example.net",
+            "new_value": "",
+            "expected": {
+                "href": "http://example.net/",
+                "host": "example.net"
+            }
+        },
+        {
+            "comment": "The empty host is OK for non-special schemes",
+            "href": "view-source+http://example.net/foo",
+            "new_value": "",
+            "expected": {
+                "href": "view-source+http:///foo",
+                "host": ""
+            }
+        },
+        {
+            "comment": "Path-only URLs can gain a host",
+            "href": "a:/foo",
+            "new_value": "example.net",
+            "expected": {
+                "href": "a://example.net/foo",
+                "host": "example.net"
+            }
+        },
+        {
+            "comment": "Path-only URLs can gain a host",
+            "href": "a:/foo",
+            "new_value": "example.net",
+            "expected": {
+                "href": "a://example.net/foo",
+                "host": "example.net"
+            }
+        },
+        {
+            "comment": "IPv4 address syntax is normalized",
+            "href": "http://example.net",
+            "new_value": "0x7F000001:8080",
+            "expected": {
+                "href": "http://127.0.0.1:8080/",
+                "host": "127.0.0.1:8080",
+                "hostname": "127.0.0.1",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "IPv6 address syntax is normalized",
+            "href": "http://example.net",
+            "new_value": "[::0:01]:2",
+            "expected": {
+                "href": "http://[::1]:2/",
+                "host": "[::1]:2",
+                "hostname": "[::1]",
+                "port": "2"
+            }
+        },
+        {
+            "comment": "Default port number is removed",
+            "href": "http://example.net",
+            "new_value": "example.com:80",
+            "expected": {
+                "href": "http://example.com/",
+                "host": "example.com",
+                "hostname": "example.com",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Default port number is removed",
+            "href": "https://example.net",
+            "new_value": "example.com:443",
+            "expected": {
+                "href": "https://example.com/",
+                "host": "example.com",
+                "hostname": "example.com",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Default port number is only removed for the relevant scheme",
+            "href": "https://example.net",
+            "new_value": "example.com:80",
+            "expected": {
+                "href": "https://example.com:80/",
+                "host": "example.com:80",
+                "hostname": "example.com",
+                "port": "80"
+            }
+        },
+        {
+            "comment": "Stuff after a / delimiter is ignored",
+            "href": "http://example.net/path",
+            "new_value": "example.com/stuff",
+            "expected": {
+                "href": "http://example.com/path",
+                "host": "example.com",
+                "hostname": "example.com",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Stuff after a / delimiter is ignored",
+            "href": "http://example.net/path",
+            "new_value": "example.com:8080/stuff",
+            "expected": {
+                "href": "http://example.com:8080/path",
+                "host": "example.com:8080",
+                "hostname": "example.com",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Stuff after a ? delimiter is ignored",
+            "href": "http://example.net/path",
+            "new_value": "example.com?stuff",
+            "expected": {
+                "href": "http://example.com/path",
+                "host": "example.com",
+                "hostname": "example.com",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Stuff after a ? delimiter is ignored",
+            "href": "http://example.net/path",
+            "new_value": "example.com:8080?stuff",
+            "expected": {
+                "href": "http://example.com:8080/path",
+                "host": "example.com:8080",
+                "hostname": "example.com",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Stuff after a # delimiter is ignored",
+            "href": "http://example.net/path",
+            "new_value": "example.com#stuff",
+            "expected": {
+                "href": "http://example.com/path",
+                "host": "example.com",
+                "hostname": "example.com",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Stuff after a # delimiter is ignored",
+            "href": "http://example.net/path",
+            "new_value": "example.com:8080#stuff",
+            "expected": {
+                "href": "http://example.com:8080/path",
+                "host": "example.com:8080",
+                "hostname": "example.com",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Stuff after a \\ delimiter is ignored for special schemes",
+            "href": "http://example.net/path",
+            "new_value": "example.com\\stuff",
+            "expected": {
+                "href": "http://example.com/path",
+                "host": "example.com",
+                "hostname": "example.com",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Stuff after a \\ delimiter is ignored for special schemes",
+            "href": "http://example.net/path",
+            "new_value": "example.com:8080\\stuff",
+            "expected": {
+                "href": "http://example.com:8080/path",
+                "host": "example.com:8080",
+                "hostname": "example.com",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "\\ is not a delimiter for non-special schemes, and it’s invalid in a domain",
+            "href": "view-source+http://example.net/path",
+            "new_value": "example.com\\stuff",
+            "expected": {
+                "href": "view-source+http://example.net/path",
+                "host": "example.net",
+                "hostname": "example.net",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Anything other than ASCII digit stops the port parser in a setter but is not an error",
+            "href": "view-source+http://example.net/path",
+            "new_value": "example.com:8080stuff2",
+            "expected": {
+                "href": "view-source+http://example.com:8080/path",
+                "host": "example.com:8080",
+                "hostname": "example.com",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Anything other than ASCII digit stops the port parser in a setter but is not an error",
+            "href": "http://example.net/path",
+            "new_value": "example.com:8080stuff2",
+            "expected": {
+                "href": "http://example.com:8080/path",
+                "host": "example.com:8080",
+                "hostname": "example.com",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Anything other than ASCII digit stops the port parser in a setter but is not an error",
+            "href": "http://example.net/path",
+            "new_value": "example.com:8080+2",
+            "expected": {
+                "href": "http://example.com:8080/path",
+                "host": "example.com:8080",
+                "hostname": "example.com",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Port numbers are 16 bit integers",
+            "href": "http://example.net/path",
+            "new_value": "example.com:65535",
+            "expected": {
+                "href": "http://example.com:65535/path",
+                "host": "example.com:65535",
+                "hostname": "example.com",
+                "port": "65535"
+            }
+        },
+        {
+            "comment": "Port numbers are 16 bit integers, overflowing is an error. Hostname is still set, though.",
+            "href": "http://example.net/path",
+            "new_value": "example.com:65536",
+            "expected": {
+                "href": "http://example.com/path",
+                "host": "example.com",
+                "hostname": "example.com",
+                "port": ""
+            }
+        }
+    ],
+    "hostname": [
+        {
+            "comment": "Cannot-be-a-base means no host",
+            "href": "mailto:me@example.net",
+            "new_value": "example.com",
+            "expected": {
+                "href": "mailto:me@example.net",
+                "host": ""
+            }
+        },
+        {
+            "comment": "Cannot-be-a-base means no password",
+            "href": "data:text/plain,Stuff",
+            "new_value": "example.net",
+            "expected": {
+                "href": "data:text/plain,Stuff",
+                "host": ""
+            }
+        },
+        {
+            "href": "http://example.net:8080",
+            "new_value": "example.com",
+            "expected": {
+                "href": "http://example.com:8080/",
+                "host": "example.com:8080",
+                "hostname": "example.com",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "The empty host is not valid for special schemes",
+            "href": "http://example.net",
+            "new_value": "",
+            "expected": {
+                "href": "http://example.net/",
+                "host": "example.net"
+            }
+        },
+        {
+            "comment": "The empty host is OK for non-special schemes",
+            "href": "view-source+http://example.net/foo",
+            "new_value": "",
+            "expected": {
+                "href": "view-source+http:///foo",
+                "host": ""
+            }
+        },
+        {
+            "comment": "Path-only URLs can gain a host",
+            "href": "a:/foo",
+            "new_value": "example.net",
+            "expected": {
+                "href": "a://example.net/foo",
+                "host": "example.net"
+            }
+        },
+        {
+            "comment": "Path-only URLs can gain a host",
+            "href": "a:/foo",
+            "new_value": "example.net",
+            "expected": {
+                "href": "a://example.net/foo",
+                "host": "example.net"
+            }
+        },
+        {
+            "comment": "IPv4 address syntax is normalized",
+            "href": "http://example.net:8080",
+            "new_value": "0x7F000001",
+            "expected": {
+                "href": "http://127.0.0.1:8080/",
+                "host": "127.0.0.1:8080",
+                "hostname": "127.0.0.1",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "IPv6 address syntax is normalized",
+            "href": "http://example.net",
+            "new_value": "[::0:01]",
+            "expected": {
+                "href": "http://[::1]/",
+                "host": "[::1]",
+                "hostname": "[::1]",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Stuff after a : delimiter is ignored",
+            "href": "http://example.net/path",
+            "new_value": "example.com:8080",
+            "expected": {
+                "href": "http://example.com/path",
+                "host": "example.com",
+                "hostname": "example.com",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Stuff after a : delimiter is ignored",
+            "href": "http://example.net:8080/path",
+            "new_value": "example.com:",
+            "expected": {
+                "href": "http://example.com:8080/path",
+                "host": "example.com:8080",
+                "hostname": "example.com",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Stuff after a / delimiter is ignored",
+            "href": "http://example.net/path",
+            "new_value": "example.com/stuff",
+            "expected": {
+                "href": "http://example.com/path",
+                "host": "example.com",
+                "hostname": "example.com",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Stuff after a ? delimiter is ignored",
+            "href": "http://example.net/path",
+            "new_value": "example.com?stuff",
+            "expected": {
+                "href": "http://example.com/path",
+                "host": "example.com",
+                "hostname": "example.com",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Stuff after a # delimiter is ignored",
+            "href": "http://example.net/path",
+            "new_value": "example.com#stuff",
+            "expected": {
+                "href": "http://example.com/path",
+                "host": "example.com",
+                "hostname": "example.com",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Stuff after a \\ delimiter is ignored for special schemes",
+            "href": "http://example.net/path",
+            "new_value": "example.com\\stuff",
+            "expected": {
+                "href": "http://example.com/path",
+                "host": "example.com",
+                "hostname": "example.com",
+                "port": ""
+            }
+        },
+        {
+            "comment": "\\ is not a delimiter for non-special schemes, and it’s invalid in a domain",
+            "href": "view-source+http://example.net/path",
+            "new_value": "example.com\\stuff",
+            "expected": {
+                "href": "view-source+http://example.net/path",
+                "host": "example.net",
+                "hostname": "example.net",
+                "port": ""
+            }
+        }
+    ],
+    "port": [
+        {
+            "href": "http://example.net",
+            "new_value": "8080",
+            "expected": {
+                "href": "http://example.net:8080/",
+                "host": "example.net:8080",
+                "hostname": "example.net",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Port number is removed if empty in the new value: https://github.com/whatwg/url/pull/113",
+            "href": "http://example.net:8080",
+            "new_value": "",
+            "expected": {
+                "href": "http://example.net/",
+                "host": "example.net",
+                "hostname": "example.net",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Default port number is removed",
+            "href": "http://example.net:8080",
+            "new_value": "80",
+            "expected": {
+                "href": "http://example.net/",
+                "host": "example.net",
+                "hostname": "example.net",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Default port number is removed",
+            "href": "https://example.net:4433",
+            "new_value": "443",
+            "expected": {
+                "href": "https://example.net/",
+                "host": "example.net",
+                "hostname": "example.net",
+                "port": ""
+            }
+        },
+        {
+            "comment": "Default port number is only removed for the relevant scheme",
+            "href": "https://example.net",
+            "new_value": "80",
+            "expected": {
+                "href": "https://example.net:80/",
+                "host": "example.net:80",
+                "hostname": "example.net",
+                "port": "80"
+            }
+        },
+        {
+            "comment": "Stuff after a / delimiter is ignored",
+            "href": "http://example.net/path",
+            "new_value": "8080/stuff",
+            "expected": {
+                "href": "http://example.net:8080/path",
+                "host": "example.net:8080",
+                "hostname": "example.net",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Stuff after a ? delimiter is ignored",
+            "href": "http://example.net/path",
+            "new_value": "8080?stuff",
+            "expected": {
+                "href": "http://example.net:8080/path",
+                "host": "example.net:8080",
+                "hostname": "example.net",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Stuff after a # delimiter is ignored",
+            "href": "http://example.net/path",
+            "new_value": "8080#stuff",
+            "expected": {
+                "href": "http://example.net:8080/path",
+                "host": "example.net:8080",
+                "hostname": "example.net",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Stuff after a \\ delimiter is ignored for special schemes",
+            "href": "http://example.net/path",
+            "new_value": "8080\\stuff",
+            "expected": {
+                "href": "http://example.net:8080/path",
+                "host": "example.net:8080",
+                "hostname": "example.net",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Anything other than ASCII digit stops the port parser in a setter but is not an error",
+            "href": "view-source+http://example.net/path",
+            "new_value": "8080stuff2",
+            "expected": {
+                "href": "view-source+http://example.net:8080/path",
+                "host": "example.net:8080",
+                "hostname": "example.net",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Anything other than ASCII digit stops the port parser in a setter but is not an error",
+            "href": "http://example.net/path",
+            "new_value": "8080stuff2",
+            "expected": {
+                "href": "http://example.net:8080/path",
+                "host": "example.net:8080",
+                "hostname": "example.net",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Anything other than ASCII digit stops the port parser in a setter but is not an error",
+            "href": "http://example.net/path",
+            "new_value": "8080+2",
+            "expected": {
+                "href": "http://example.net:8080/path",
+                "host": "example.net:8080",
+                "hostname": "example.net",
+                "port": "8080"
+            }
+        },
+        {
+            "comment": "Port numbers are 16 bit integers",
+            "href": "http://example.net/path",
+            "new_value": "65535",
+            "expected": {
+                "href": "http://example.net:65535/path",
+                "host": "example.net:65535",
+                "hostname": "example.net",
+                "port": "65535"
+            }
+        },
+        {
+            "comment": "Port numbers are 16 bit integers, overflowing is an error",
+            "href": "http://example.net:8080/path",
+            "new_value": "65536",
+            "expected": {
+                "href": "http://example.net:8080/path",
+                "host": "example.net:8080",
+                "hostname": "example.net",
+                "port": "8080"
+            }
+        }
+    ],
+    "pathname": [
+        {
+            "comment": "Cannot-be-a-base don’t have a path",
+            "href": "mailto:me@example.net",
+            "new_value": "/foo",
+            "expected": {
+                "href": "mailto:me@example.net",
+                "pathname": "me@example.net"
+            }
+        },
+        {
+            "href": "unix:/run/foo.socket?timeout=10",
+            "new_value": "/var/log/../run/bar.socket",
+            "expected": {
+                "href": "unix:/var/run/bar.socket?timeout=10",
+                "pathname": "/var/run/bar.socket"
+            }
+        },
+        {
+            "href": "https://example.net#nav",
+            "new_value": "home",
+            "expected": {
+                "href": "https://example.net/home#nav",
+                "pathname": "/home"
+            }
+        },
+        {
+            "href": "https://example.net#nav",
+            "new_value": "../home",
+            "expected": {
+                "href": "https://example.net/home#nav",
+                "pathname": "/home"
+            }
+        },
+        {
+            "comment": "\\ is a segment delimiter for 'special' URLs",
+            "href": "http://example.net/home?lang=fr#nav",
+            "new_value": "\\a\\%2E\\b\\%2e.\\c",
+            "expected": {
+                "href": "http://example.net/a/c?lang=fr#nav",
+                "pathname": "/a/c"
+            }
+        },
+        {
+            "comment": "\\ is *not* a segment delimiter for non-'special' URLs",
+            "href": "view-source+http://example.net/home?lang=fr#nav",
+            "new_value": "\\a\\%2E\\b\\%2e.\\c",
+            "expected": {
+                "href": "view-source+http://example.net/\\a\\.\\b\\..\\c?lang=fr#nav",
+                "pathname": "/\\a\\.\\b\\..\\c"
+            }
+        },
+        {
+            "comment": "UTF-8 percent encoding with the default encode set. Tabs and newlines are removed. Leading or training C0 controls and space are removed.",
+            "href": "a:/",
+            "new_value": "\u0000\u0001\t\n\r\u001f !\u0000\u0001\t\n\r\u001f !\"#$%&'()*+,-./09:;<=>?@AZ[\\]^_`az{|}~\u007f\u0080\u0081Éé",
+            "expected": {
+                "href": "a:/!%00%01%1F%20!%22%23$%&'()*+,-./09:;%3C=%3E%3F@AZ[\\]^_%60az%7B|%7D~%7F%C2%80%C2%81%C3%89%C3%A9",
+                "pathname": "/!%00%01%1F%20!%22%23$%&'()*+,-./09:;%3C=%3E%3F@AZ[\\]^_%60az%7B|%7D~%7F%C2%80%C2%81%C3%89%C3%A9"
+            }
+        },
+        {
+            "comment": "Bytes already percent-encoded are left as-is, except %2E.",
+            "href": "http://example.net",
+            "new_value": "%2e%2E%c3%89té",
+            "expected": {
+                "href": "http://example.net/..%c3%89t%C3%A9",
+                "pathname": "/..%c3%89t%C3%A9"
+            }
+        }
+    ],
+    "search": [
+        {
+            "href": "https://example.net#nav",
+            "new_value": "lang=fr",
+            "expected": {
+                "href": "https://example.net/?lang=fr#nav",
+                "search": "?lang=fr"
+            }
+        },
+        {
+            "href": "https://example.net?lang=en-US#nav",
+            "new_value": "lang=fr",
+            "expected": {
+                "href": "https://example.net/?lang=fr#nav",
+                "search": "?lang=fr"
+            }
+        },
+        {
+            "href": "https://example.net?lang=en-US#nav",
+            "new_value": "?lang=fr",
+            "expected": {
+                "href": "https://example.net/?lang=fr#nav",
+                "search": "?lang=fr"
+            }
+        },
+        {
+            "href": "https://example.net?lang=en-US#nav",
+            "new_value": "??lang=fr",
+            "expected": {
+                "href": "https://example.net/??lang=fr#nav",
+                "search": "??lang=fr"
+            }
+        },
+        {
+            "href": "https://example.net?lang=en-US#nav",
+            "new_value": "?",
+            "expected": {
+                "href": "https://example.net/?#nav",
+                "search": ""
+            }
+        },
+        {
+            "href": "https://example.net?lang=en-US#nav",
+            "new_value": "",
+            "expected": {
+                "href": "https://example.net/#nav",
+                "search": ""
+            }
+        },
+        {
+            "href": "https://example.net?lang=en-US",
+            "new_value": "",
+            "expected": {
+                "href": "https://example.net/",
+                "search": ""
+            }
+        },
+        {
+            "href": "https://example.net",
+            "new_value": "",
+            "expected": {
+                "href": "https://example.net/",
+                "search": ""
+            }
+        },
+        {
+            "comment": "UTF-8 percent encoding with the query encode set. Tabs and newlines are removed. Leading or training C0 controls and space are removed.",
+            "href": "a:/",
+            "new_value": "\u0000\u0001\t\n\r\u001f !\u0000\u0001\t\n\r\u001f !\"#$%&'()*+,-./09:;<=>?@AZ[\\]^_`az{|}~\u007f\u0080\u0081Éé",
+            "expected": {
+                "href": "a:/?!%00%01%1F%20!%22%23$%&'()*+,-./09:;%3C=%3E?@AZ[\\]^_`az{|}~%7F%C2%80%C2%81%C3%89%C3%A9",
+                "search": "?!%00%01%1F%20!%22%23$%&'()*+,-./09:;%3C=%3E?@AZ[\\]^_`az{|}~%7F%C2%80%C2%81%C3%89%C3%A9"
+            }
+        },
+        {
+            "comment": "Bytes already percent-encoded are left as-is",
+            "href": "http://example.net",
+            "new_value": "%c3%89té",
+            "expected": {
+                "href": "http://example.net/?%c3%89t%C3%A9",
+                "search": "?%c3%89t%C3%A9"
+            }
+        }
+    ],
+    "hash": [
+        {
+            "href": "https://example.net",
+            "new_value": "main",
+            "expected": {
+                "href": "https://example.net/#main",
+                "hash": "#main"
+            }
+        },
+        {
+            "href": "https://example.net#nav",
+            "new_value": "main",
+            "expected": {
+                "href": "https://example.net/#main",
+                "hash": "#main"
+            }
+        },
+        {
+            "href": "https://example.net?lang=en-US",
+            "new_value": "##nav",
+            "expected": {
+                "href": "https://example.net/?lang=en-US##nav",
+                "hash": "##nav"
+            }
+        },
+        {
+            "href": "https://example.net?lang=en-US#nav",
+            "new_value": "#main",
+            "expected": {
+                "href": "https://example.net/?lang=en-US#main",
+                "hash": "#main"
+            }
+        },
+        {
+            "href": "https://example.net?lang=en-US#nav",
+            "new_value": "#",
+            "expected": {
+                "href": "https://example.net/?lang=en-US#",
+                "hash": ""
+            }
+        },
+        {
+            "href": "https://example.net?lang=en-US#nav",
+            "new_value": "",
+            "expected": {
+                "href": "https://example.net/?lang=en-US",
+                "hash": ""
+            }
+        },
+        {
+            "comment": "No percent-encoding at all (!); nuls, tabs, and newlines are removed. Leading or training C0 controls and space are removed.",
+            "href": "a:/",
+            "new_value": "\u0000\u0001\t\n\r\u001f !\u0000\u0001\t\n\r\u001f !\"#$%&'()*+,-./09:;<=>?@AZ[\\]^_`az{|}~\u007f\u0080\u0081Éé",
+            "expected": {
+                "href": "a:/#!\u0001\u001f !\"#$%&'()*+,-./09:;<=>?@AZ[\\]^_`az{|}~\u007f\u0080\u0081Éé",
+                "hash": "#!\u0001\u001f !\"#$%&'()*+,-./09:;<=>?@AZ[\\]^_`az{|}~\u007f\u0080\u0081Éé"
+            }
+        },
+        {
+            "comment": "Bytes already percent-encoded are left as-is",
+            "href": "http://example.net",
+            "new_value": "%c3%89té",
+            "expected": {
+                "href": "http://example.net/#%c3%89té",
+                "hash": "#%c3%89té"
+            }
+        }
+    ]
+}
diff --git a/third_party/rust/url/tests/unit.rs b/third_party/rust/url/tests/unit.rs
new file mode 100644
index 000000000..7cea1000c
--- /dev/null
+++ b/third_party/rust/url/tests/unit.rs
@@ -0,0 +1,303 @@
+// Copyright 2013-2014 The rust-url developers.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+//! Unit tests
+
+extern crate url;
+
+use std::borrow::Cow;
+use std::net::{Ipv4Addr, Ipv6Addr};
+use std::path::{Path, PathBuf};
+use url::{Host, Url, form_urlencoded};
+
+macro_rules! assert_from_file_path {
+    ($path: expr) => { assert_from_file_path!($path, $path) };
+    ($path: expr, $url_path: expr) => {{
+        let url = Url::from_file_path(Path::new($path)).unwrap();
+        assert_eq!(url.host(), None);
+        assert_eq!(url.path(), $url_path);
+        assert_eq!(url.to_file_path(), Ok(PathBuf::from($path)));
+    }};
+}
+
+
+
+#[test]
+fn new_file_paths() {
+    if cfg!(unix) {
+        assert_eq!(Url::from_file_path(Path::new("relative")), Err(()));
+        assert_eq!(Url::from_file_path(Path::new("../relative")), Err(()));
+    }
+    if cfg!(windows) {
+        assert_eq!(Url::from_file_path(Path::new("relative")), Err(()));
+        assert_eq!(Url::from_file_path(Path::new(r"..\relative")), Err(()));
+        assert_eq!(Url::from_file_path(Path::new(r"\drive-relative")), Err(()));
+        assert_eq!(Url::from_file_path(Path::new(r"\\ucn\")), Err(()));
+    }
+
+    if cfg!(unix) {
+        assert_from_file_path!("/foo/bar");
+        assert_from_file_path!("/foo/ba\0r", "/foo/ba%00r");
+        assert_from_file_path!("/foo/ba%00r", "/foo/ba%2500r");
+    }
+}
+
+#[test]
+#[cfg(unix)]
+fn new_path_bad_utf8() {
+    use std::ffi::OsStr;
+    use std::os::unix::prelude::*;
+
+    let url = Url::from_file_path(Path::new(OsStr::from_bytes(b"/foo/ba\x80r"))).unwrap();
+    let os_str = OsStr::from_bytes(b"/foo/ba\x80r");
+    assert_eq!(url.to_file_path(), Ok(PathBuf::from(os_str)));
+}
+
+#[test]
+fn new_path_windows_fun() {
+    if cfg!(windows) {
+        assert_from_file_path!(r"C:\foo\bar", "/C:/foo/bar");
+        assert_from_file_path!("C:\\foo\\ba\0r", "/C:/foo/ba%00r");
+
+        // Invalid UTF-8
+        assert!(Url::parse("file:///C:/foo/ba%80r").unwrap().to_file_path().is_err());
+
+        // test windows canonicalized path
+        let path = PathBuf::from(r"\\?\C:\foo\bar");
+        assert!(Url::from_file_path(path).is_ok());
+    }
+}
+
+
+#[test]
+fn new_directory_paths() {
+    if cfg!(unix) {
+        assert_eq!(Url::from_directory_path(Path::new("relative")), Err(()));
+        assert_eq!(Url::from_directory_path(Path::new("../relative")), Err(()));
+
+        let url = Url::from_directory_path(Path::new("/foo/bar")).unwrap();
+        assert_eq!(url.host(), None);
+        assert_eq!(url.path(), "/foo/bar/");
+    }
+    if cfg!(windows) {
+        assert_eq!(Url::from_directory_path(Path::new("relative")), Err(()));
+        assert_eq!(Url::from_directory_path(Path::new(r"..\relative")), Err(()));
+        assert_eq!(Url::from_directory_path(Path::new(r"\drive-relative")), Err(()));
+        assert_eq!(Url::from_directory_path(Path::new(r"\\ucn\")), Err(()));
+
+        let url = Url::from_directory_path(Path::new(r"C:\foo\bar")).unwrap();
+        assert_eq!(url.host(), None);
+        assert_eq!(url.path(), "/C:/foo/bar/");
+    }
+}
+
+#[test]
+fn from_str() {
+    assert!("http://testing.com/this".parse::<Url>().is_ok());
+}
+
+#[test]
+fn issue_124() {
+    let url: Url = "file:a".parse().unwrap();
+    assert_eq!(url.path(), "/a");
+    let url: Url = "file:...".parse().unwrap();
+    assert_eq!(url.path(), "/...");
+    let url: Url = "file:..".parse().unwrap();
+    assert_eq!(url.path(), "/");
+}
+
+#[test]
+fn test_equality() {
+    use std::hash::{Hash, Hasher, SipHasher};
+
+    fn check_eq(a: &Url, b: &Url) {
+        assert_eq!(a, b);
+
+        let mut h1 = SipHasher::new();
+        a.hash(&mut h1);
+        let mut h2 = SipHasher::new();
+        b.hash(&mut h2);
+        assert_eq!(h1.finish(), h2.finish());
+    }
+
+    fn url(s: &str) -> Url {
+        let rv = s.parse().unwrap();
+        check_eq(&rv, &rv);
+        rv
+    }
+
+    // Doesn't care if default port is given.
+    let a: Url = url("https://example.com/");
+    let b: Url = url("https://example.com:443/");
+    check_eq(&a, &b);
+
+    // Different ports
+    let a: Url = url("http://example.com/");
+    let b: Url = url("http://example.com:8080/");
+    assert!(a != b, "{:?} != {:?}", a, b);
+
+    // Different scheme
+    let a: Url = url("http://example.com/");
+    let b: Url = url("https://example.com/");
+    assert!(a != b);
+
+    // Different host
+    let a: Url = url("http://foo.com/");
+    let b: Url = url("http://bar.com/");
+    assert!(a != b);
+
+    // Missing path, automatically substituted. Semantically the same.
+    let a: Url = url("http://foo.com");
+    let b: Url = url("http://foo.com/");
+    check_eq(&a, &b);
+}
+
+#[test]
+fn host() {
+    fn assert_host(input: &str, host: Host<&str>) {
+        assert_eq!(Url::parse(input).unwrap().host(), Some(host));
+    }
+    assert_host("http://www.mozilla.org", Host::Domain("www.mozilla.org"));
+    assert_host("http://1.35.33.49", Host::Ipv4(Ipv4Addr::new(1, 35, 33, 49)));
+    assert_host("http://[2001:0db8:85a3:08d3:1319:8a2e:0370:7344]", Host::Ipv6(Ipv6Addr::new(
+        0x2001, 0x0db8, 0x85a3, 0x08d3, 0x1319, 0x8a2e, 0x0370, 0x7344)));
+    assert_host("http://1.35.+33.49", Host::Domain("1.35.+33.49"));
+    assert_host("http://[::]", Host::Ipv6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 0)));
+    assert_host("http://[::1]", Host::Ipv6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1)));
+    assert_host("http://0x1.0X23.0x21.061", Host::Ipv4(Ipv4Addr::new(1, 35, 33, 49)));
+    assert_host("http://0x1232131", Host::Ipv4(Ipv4Addr::new(1, 35, 33, 49)));
+    assert_host("http://111", Host::Ipv4(Ipv4Addr::new(0, 0, 0, 111)));
+    assert_host("http://2..2.3", Host::Domain("2..2.3"));
+    assert!(Url::parse("http://42.0x1232131").is_err());
+    assert!(Url::parse("http://192.168.0.257").is_err());
+}
+
+#[test]
+fn host_serialization() {
+    // libstd’s `Display for Ipv6Addr` serializes 0:0:0:0:0:0:_:_ and 0:0:0:0:0:ffff:_:_
+    // using IPv4-like syntax, as suggested in https://tools.ietf.org/html/rfc5952#section-4
+    // but https://url.spec.whatwg.org/#concept-ipv6-serializer specifies not to.
+
+    // Not [::0.0.0.2] / [::ffff:0.0.0.2]
+    assert_eq!(Url::parse("http://[0::2]").unwrap().host_str(), Some("[::2]"));
+    assert_eq!(Url::parse("http://[0::ffff:0:2]").unwrap().host_str(), Some("[::ffff:0:2]"));
+}
+
+#[test]
+fn test_idna() {
+    assert!("http://goșu.ro".parse::<Url>().is_ok());
+    assert_eq!(Url::parse("http://☃.net/").unwrap().host(), Some(Host::Domain("xn--n3h.net")));
+}
+
+#[test]
+fn test_serialization() {
+    let data = [
+        ("http://example.com/", "http://example.com/"),
+        ("http://addslash.com", "http://addslash.com/"),
+        ("http://@emptyuser.com/", "http://emptyuser.com/"),
+        ("http://:@emptypass.com/", "http://:@emptypass.com/"),
+        ("http://user@user.com/", "http://user@user.com/"),
+        ("http://user:pass@userpass.com/", "http://user:pass@userpass.com/"),
+        ("http://slashquery.com/path/?q=something", "http://slashquery.com/path/?q=something"),
+        ("http://noslashquery.com/path?q=something", "http://noslashquery.com/path?q=something")
+    ];
+    for &(input, result) in &data {
+        let url = Url::parse(input).unwrap();
+        assert_eq!(url.as_str(), result);
+    }
+}
+
+#[test]
+fn test_form_urlencoded() {
+    let pairs: &[(Cow<str>, Cow<str>)] = &[
+        ("foo".into(), "é&".into()),
+        ("bar".into(), "".into()),
+        ("foo".into(), "#".into())
+    ];
+    let encoded = form_urlencoded::Serializer::new(String::new()).extend_pairs(pairs).finish();
+    assert_eq!(encoded, "foo=%C3%A9%26&bar=&foo=%23");
+    assert_eq!(form_urlencoded::parse(encoded.as_bytes()).collect::<Vec<_>>(), pairs.to_vec());
+}
+
+#[test]
+fn test_form_serialize() {
+    let encoded = form_urlencoded::Serializer::new(String::new())
+        .append_pair("foo", "é&")
+        .append_pair("bar", "")
+        .append_pair("foo", "#")
+        .finish();
+    assert_eq!(encoded, "foo=%C3%A9%26&bar=&foo=%23");
+}
+
+#[test]
+/// https://github.com/servo/rust-url/issues/25
+fn issue_25() {
+    let filename = if cfg!(windows) { r"C:\run\pg.sock" } else { "/run/pg.sock" };
+    let mut url = Url::from_file_path(filename).unwrap();
+    url.assert_invariants();
+    url.set_scheme("postgres").unwrap();
+    url.assert_invariants();
+    url.set_host(Some("")).unwrap();
+    url.assert_invariants();
+    url.set_username("me").unwrap();
+    url.assert_invariants();
+    let expected = format!("postgres://me@/{}run/pg.sock", if cfg!(windows) { "C:/" } else { "" });
+    assert_eq!(url.as_str(), expected);
+}
+
+#[test]
+/// https://github.com/servo/rust-url/issues/61
+fn issue_61() {
+    let mut url = Url::parse("http://mozilla.org").unwrap();
+    url.set_scheme("https").unwrap();
+    assert_eq!(url.port(), None);
+    assert_eq!(url.port_or_known_default(), Some(443));
+    url.assert_invariants();
+}
+
+#[test]
+#[cfg(not(windows))]
+/// https://github.com/servo/rust-url/issues/197
+fn issue_197() {
+    let mut url = Url::from_file_path("/").expect("Failed to parse path");
+    url.assert_invariants();
+    assert_eq!(url, Url::parse("file:///").expect("Failed to parse path + protocol"));
+    url.path_segments_mut().expect("path_segments_mut").pop_if_empty();
+}
+
+#[test]
+/// https://github.com/servo/rust-url/issues/222
+fn append_trailing_slash() {
+    let mut url: Url = "http://localhost:6767/foo/bar?a=b".parse().unwrap();
+    url.assert_invariants();
+    url.path_segments_mut().unwrap().push("");
+    url.assert_invariants();
+    assert_eq!(url.to_string(), "http://localhost:6767/foo/bar/?a=b");
+}
+
+#[test]
+/// https://github.com/servo/rust-url/issues/227
+fn extend_query_pairs_then_mutate() {
+    let mut url: Url = "http://localhost:6767/foo/bar".parse().unwrap();
+    url.query_pairs_mut().extend_pairs(vec![ ("auth", "my-token") ].into_iter());
+    url.assert_invariants();
+    assert_eq!(url.to_string(), "http://localhost:6767/foo/bar?auth=my-token");
+    url.path_segments_mut().unwrap().push("some_other_path");
+    url.assert_invariants();
+    assert_eq!(url.to_string(), "http://localhost:6767/foo/bar/some_other_path?auth=my-token");
+}
+
+#[test]
+/// https://github.com/servo/rust-url/issues/222
+fn append_empty_segment_then_mutate() {
+    let mut url: Url = "http://localhost:6767/foo/bar?a=b".parse().unwrap();
+    url.assert_invariants();
+    url.path_segments_mut().unwrap().push("").pop();
+    url.assert_invariants();
+    assert_eq!(url.to_string(), "http://localhost:6767/foo/bar?a=b");
+}
diff --git a/third_party/rust/url/tests/urltestdata.json b/third_party/rust/url/tests/urltestdata.json
new file mode 100644
index 000000000..ee5416ecf
--- /dev/null
+++ b/third_party/rust/url/tests/urltestdata.json
@@ -0,0 +1,4277 @@
+[
+  "# Based on http://trac.webkit.org/browser/trunk/LayoutTests/fast/url/script-tests/segments.js",
+  {
+    "input": "http://example\t.\norg",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://user:pass@foo:21/bar;par?b#c",
+    "base": "http://example.org/foo/bar",
+    "href": "http://user:pass@foo:21/bar;par?b#c",
+    "origin": "http://foo:21",
+    "protocol": "http:",
+    "username": "user",
+    "password": "pass",
+    "host": "foo:21",
+    "hostname": "foo",
+    "port": "21",
+    "pathname": "/bar;par",
+    "search": "?b",
+    "hash": "#c"
+  },
+  {
+    "input": "http:foo.com",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/foo.com",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/foo.com",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "\t   :foo.com   \n",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/:foo.com",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/:foo.com",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": " foo.com  ",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/foo.com",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/foo.com",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "a:\t foo.com",
+    "base": "http://example.org/foo/bar",
+    "href": "a: foo.com",
+    "origin": "null",
+    "protocol": "a:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": " foo.com",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://f:21/ b ? d # e ",
+    "base": "http://example.org/foo/bar",
+    "href": "http://f:21/%20b%20?%20d%20# e",
+    "origin": "http://f:21",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "f:21",
+    "hostname": "f",
+    "port": "21",
+    "pathname": "/%20b%20",
+    "search": "?%20d%20",
+    "hash": "# e"
+  },
+  {
+    "input": "http://f:/c",
+    "base": "http://example.org/foo/bar",
+    "href": "http://f/c",
+    "origin": "http://f",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "f",
+    "hostname": "f",
+    "port": "",
+    "pathname": "/c",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://f:0/c",
+    "base": "http://example.org/foo/bar",
+    "href": "http://f:0/c",
+    "origin": "http://f:0",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "f:0",
+    "hostname": "f",
+    "port": "0",
+    "pathname": "/c",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://f:00000000000000/c",
+    "base": "http://example.org/foo/bar",
+    "href": "http://f:0/c",
+    "origin": "http://f:0",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "f:0",
+    "hostname": "f",
+    "port": "0",
+    "pathname": "/c",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://f:00000000000000000000080/c",
+    "base": "http://example.org/foo/bar",
+    "href": "http://f/c",
+    "origin": "http://f",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "f",
+    "hostname": "f",
+    "port": "",
+    "pathname": "/c",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://f:b/c",
+    "base": "http://example.org/foo/bar",
+    "failure": true
+  },
+  {
+    "input": "http://f: /c",
+    "base": "http://example.org/foo/bar",
+    "failure": true
+  },
+  {
+    "input": "http://f:\n/c",
+    "base": "http://example.org/foo/bar",
+    "href": "http://f/c",
+    "origin": "http://f",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "f",
+    "hostname": "f",
+    "port": "",
+    "pathname": "/c",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://f:fifty-two/c",
+    "base": "http://example.org/foo/bar",
+    "failure": true
+  },
+  {
+    "input": "http://f:999999/c",
+    "base": "http://example.org/foo/bar",
+    "failure": true
+  },
+  {
+    "input": "http://f: 21 / b ? d # e ",
+    "base": "http://example.org/foo/bar",
+    "failure": true
+  },
+  {
+    "input": "",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/bar",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/bar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "  \t",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/bar",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/bar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": ":foo.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/:foo.com/",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/:foo.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": ":foo.com\\",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/:foo.com/",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/:foo.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": ":",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/:",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/:",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": ":a",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/:a",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/:a",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": ":/",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/:/",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/:/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": ":\\",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/:/",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/:/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": ":#",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/:#",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/:",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "#",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/bar#",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/bar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "#/",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/bar#/",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/bar",
+    "search": "",
+    "hash": "#/"
+  },
+  {
+    "input": "#\\",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/bar#\\",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/bar",
+    "search": "",
+    "hash": "#\\"
+  },
+  {
+    "input": "#;?",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/bar#;?",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/bar",
+    "search": "",
+    "hash": "#;?"
+  },
+  {
+    "input": "?",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/bar?",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/bar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "/",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": ":23",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/:23",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/:23",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "/:23",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/:23",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/:23",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "::",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/::",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/::",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "::23",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/::23",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/::23",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "foo://",
+    "base": "http://example.org/foo/bar",
+    "href": "foo:///",
+    "origin": "null",
+    "protocol": "foo:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://a:b@c:29/d",
+    "base": "http://example.org/foo/bar",
+    "href": "http://a:b@c:29/d",
+    "origin": "http://c:29",
+    "protocol": "http:",
+    "username": "a",
+    "password": "b",
+    "host": "c:29",
+    "hostname": "c",
+    "port": "29",
+    "pathname": "/d",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http::@c:29",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/:@c:29",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/:@c:29",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://&a:foo(b]c@d:2/",
+    "base": "http://example.org/foo/bar",
+    "href": "http://&a:foo(b%5Dc@d:2/",
+    "origin": "http://d:2",
+    "protocol": "http:",
+    "username": "&a",
+    "password": "foo(b%5Dc",
+    "host": "d:2",
+    "hostname": "d",
+    "port": "2",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://::@c@d:2",
+    "base": "http://example.org/foo/bar",
+    "href": "http://:%3A%40c@d:2/",
+    "origin": "http://d:2",
+    "protocol": "http:",
+    "username": "",
+    "password": "%3A%40c",
+    "host": "d:2",
+    "hostname": "d",
+    "port": "2",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://foo.com:b@d/",
+    "base": "http://example.org/foo/bar",
+    "href": "http://foo.com:b@d/",
+    "origin": "http://d",
+    "protocol": "http:",
+    "username": "foo.com",
+    "password": "b",
+    "host": "d",
+    "hostname": "d",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://foo.com/\\@",
+    "base": "http://example.org/foo/bar",
+    "href": "http://foo.com//@",
+    "origin": "http://foo.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "foo.com",
+    "hostname": "foo.com",
+    "port": "",
+    "pathname": "//@",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:\\\\foo.com\\",
+    "base": "http://example.org/foo/bar",
+    "href": "http://foo.com/",
+    "origin": "http://foo.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "foo.com",
+    "hostname": "foo.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:\\\\a\\b:c\\d@foo.com\\",
+    "base": "http://example.org/foo/bar",
+    "href": "http://a/b:c/d@foo.com/",
+    "origin": "http://a",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "a",
+    "hostname": "a",
+    "port": "",
+    "pathname": "/b:c/d@foo.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "foo:/",
+    "base": "http://example.org/foo/bar",
+    "href": "foo:/",
+    "origin": "null",
+    "protocol": "foo:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "foo:/bar.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "foo:/bar.com/",
+    "origin": "null",
+    "protocol": "foo:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/bar.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "foo://///////",
+    "base": "http://example.org/foo/bar",
+    "href": "foo://///////",
+    "origin": "null",
+    "protocol": "foo:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "///////",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "foo://///////bar.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "foo://///////bar.com/",
+    "origin": "null",
+    "protocol": "foo:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "///////bar.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "foo:////://///",
+    "base": "http://example.org/foo/bar",
+    "href": "foo:////://///",
+    "origin": "null",
+    "protocol": "foo:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "//://///",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "c:/foo",
+    "base": "http://example.org/foo/bar",
+    "href": "c:/foo",
+    "origin": "null",
+    "protocol": "c:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/foo",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "//foo/bar",
+    "base": "http://example.org/foo/bar",
+    "href": "http://foo/bar",
+    "origin": "http://foo",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "foo",
+    "hostname": "foo",
+    "port": "",
+    "pathname": "/bar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://foo/path;a??e#f#g",
+    "base": "http://example.org/foo/bar",
+    "href": "http://foo/path;a??e#f#g",
+    "origin": "http://foo",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "foo",
+    "hostname": "foo",
+    "port": "",
+    "pathname": "/path;a",
+    "search": "??e",
+    "hash": "#f#g"
+  },
+  {
+    "input": "http://foo/abcd?efgh?ijkl",
+    "base": "http://example.org/foo/bar",
+    "href": "http://foo/abcd?efgh?ijkl",
+    "origin": "http://foo",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "foo",
+    "hostname": "foo",
+    "port": "",
+    "pathname": "/abcd",
+    "search": "?efgh?ijkl",
+    "hash": ""
+  },
+  {
+    "input": "http://foo/abcd#foo?bar",
+    "base": "http://example.org/foo/bar",
+    "href": "http://foo/abcd#foo?bar",
+    "origin": "http://foo",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "foo",
+    "hostname": "foo",
+    "port": "",
+    "pathname": "/abcd",
+    "search": "",
+    "hash": "#foo?bar"
+  },
+  {
+    "input": "[61:24:74]:98",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/[61:24:74]:98",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/[61:24:74]:98",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:[61:27]/:foo",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/[61:27]/:foo",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/[61:27]/:foo",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://[1::2]:3:4",
+    "base": "http://example.org/foo/bar",
+    "failure": true
+  },
+  {
+    "input": "http://2001::1",
+    "base": "http://example.org/foo/bar",
+    "failure": true
+  },
+  {
+    "input": "http://2001::1]",
+    "base": "http://example.org/foo/bar",
+    "failure": true
+  },
+  {
+    "input": "http://2001::1]:80",
+    "base": "http://example.org/foo/bar",
+    "failure": true
+  },
+  {
+    "input": "http://[2001::1]",
+    "base": "http://example.org/foo/bar",
+    "href": "http://[2001::1]/",
+    "origin": "http://[2001::1]",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "[2001::1]",
+    "hostname": "[2001::1]",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://[2001::1]:80",
+    "base": "http://example.org/foo/bar",
+    "href": "http://[2001::1]/",
+    "origin": "http://[2001::1]",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "[2001::1]",
+    "hostname": "[2001::1]",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:/example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/example.com/",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ftp:/example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "ftp://example.com/",
+    "origin": "ftp://example.com",
+    "protocol": "ftp:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "https:/example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "https://example.com/",
+    "origin": "https://example.com",
+    "protocol": "https:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "madeupscheme:/example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "madeupscheme:/example.com/",
+    "origin": "null",
+    "protocol": "madeupscheme:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "file:/example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "file:///example.com/",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ftps:/example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "ftps:/example.com/",
+    "origin": "null",
+    "protocol": "ftps:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "gopher:/example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "gopher://example.com/",
+    "origin": "gopher://example.com",
+    "protocol": "gopher:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ws:/example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "ws://example.com/",
+    "origin": "ws://example.com",
+    "protocol": "ws:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "wss:/example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "wss://example.com/",
+    "origin": "wss://example.com",
+    "protocol": "wss:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "data:/example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "data:/example.com/",
+    "origin": "null",
+    "protocol": "data:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "javascript:/example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "javascript:/example.com/",
+    "origin": "null",
+    "protocol": "javascript:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "mailto:/example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "mailto:/example.com/",
+    "origin": "null",
+    "protocol": "mailto:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/example.com/",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ftp:example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "ftp://example.com/",
+    "origin": "ftp://example.com",
+    "protocol": "ftp:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "https:example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "https://example.com/",
+    "origin": "https://example.com",
+    "protocol": "https:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "madeupscheme:example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "madeupscheme:example.com/",
+    "origin": "null",
+    "protocol": "madeupscheme:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ftps:example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "ftps:example.com/",
+    "origin": "null",
+    "protocol": "ftps:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "gopher:example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "gopher://example.com/",
+    "origin": "gopher://example.com",
+    "protocol": "gopher:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ws:example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "ws://example.com/",
+    "origin": "ws://example.com",
+    "protocol": "ws:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "wss:example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "wss://example.com/",
+    "origin": "wss://example.com",
+    "protocol": "wss:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "data:example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "data:example.com/",
+    "origin": "null",
+    "protocol": "data:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "javascript:example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "javascript:example.com/",
+    "origin": "null",
+    "protocol": "javascript:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "mailto:example.com/",
+    "base": "http://example.org/foo/bar",
+    "href": "mailto:example.com/",
+    "origin": "null",
+    "protocol": "mailto:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "/a/b/c",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/a/b/c",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/a/b/c",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "/a/ /c",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/a/%20/c",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/a/%20/c",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "/a%2fc",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/a%2fc",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/a%2fc",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "/a/%2f/c",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/a/%2f/c",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/a/%2f/c",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "#β",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/bar#β",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/bar",
+    "search": "",
+    "hash": "#β"
+  },
+  {
+    "input": "data:text/html,test#test",
+    "base": "http://example.org/foo/bar",
+    "href": "data:text/html,test#test",
+    "origin": "null",
+    "protocol": "data:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "text/html,test",
+    "search": "",
+    "hash": "#test"
+  },
+  "# Based on http://trac.webkit.org/browser/trunk/LayoutTests/fast/url/file.html",
+  {
+    "input": "file:c:\\foo\\bar.html",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///c:/foo/bar.html",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/c:/foo/bar.html",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "  File:c|////foo\\bar.html",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///c:////foo/bar.html",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/c:////foo/bar.html",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "C|/foo/bar",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///C:/foo/bar",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/C:/foo/bar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "/C|\\foo\\bar",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///C:/foo/bar",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/C:/foo/bar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "//C|/foo/bar",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///C:/foo/bar",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/C:/foo/bar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "//server/file",
+    "base": "file:///tmp/mock/path",
+    "href": "file://server/file",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "server",
+    "hostname": "server",
+    "port": "",
+    "pathname": "/file",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "\\\\server\\file",
+    "base": "file:///tmp/mock/path",
+    "href": "file://server/file",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "server",
+    "hostname": "server",
+    "port": "",
+    "pathname": "/file",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "/\\server/file",
+    "base": "file:///tmp/mock/path",
+    "href": "file://server/file",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "server",
+    "hostname": "server",
+    "port": "",
+    "pathname": "/file",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "file:///foo/bar.txt",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///foo/bar.txt",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/foo/bar.txt",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "file:///home/me",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///home/me",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/home/me",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "//",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "///",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "///test",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///test",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/test",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "file://test",
+    "base": "file:///tmp/mock/path",
+    "href": "file://test/",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "test",
+    "hostname": "test",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "file://localhost",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "file://localhost/",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "file://localhost/test",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///test",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/test",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "test",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///tmp/mock/test",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/tmp/mock/test",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "file:test",
+    "base": "file:///tmp/mock/path",
+    "href": "file:///tmp/mock/test",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/tmp/mock/test",
+    "search": "",
+    "hash": ""
+  },
+  "# Based on http://trac.webkit.org/browser/trunk/LayoutTests/fast/url/script-tests/path.js",
+  {
+    "input": "http://example.com/././foo",
+    "base": "about:blank",
+    "href": "http://example.com/foo",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/./.foo",
+    "base": "about:blank",
+    "href": "http://example.com/.foo",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/.foo",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/.",
+    "base": "about:blank",
+    "href": "http://example.com/foo/",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/./",
+    "base": "about:blank",
+    "href": "http://example.com/foo/",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/bar/..",
+    "base": "about:blank",
+    "href": "http://example.com/foo/",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/bar/../",
+    "base": "about:blank",
+    "href": "http://example.com/foo/",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/..bar",
+    "base": "about:blank",
+    "href": "http://example.com/foo/..bar",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo/..bar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/bar/../ton",
+    "base": "about:blank",
+    "href": "http://example.com/foo/ton",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo/ton",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/bar/../ton/../../a",
+    "base": "about:blank",
+    "href": "http://example.com/a",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/a",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/../../..",
+    "base": "about:blank",
+    "href": "http://example.com/",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/../../../ton",
+    "base": "about:blank",
+    "href": "http://example.com/ton",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/ton",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/%2e",
+    "base": "about:blank",
+    "href": "http://example.com/foo/",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/%2e%2",
+    "base": "about:blank",
+    "href": "http://example.com/foo/.%2",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo/.%2",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/%2e./%2e%2e/.%2e/%2e.bar",
+    "base": "about:blank",
+    "href": "http://example.com/..bar",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/..bar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com////../..",
+    "base": "about:blank",
+    "href": "http://example.com//",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "//",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/bar//../..",
+    "base": "about:blank",
+    "href": "http://example.com/foo/",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo/bar//..",
+    "base": "about:blank",
+    "href": "http://example.com/foo/bar/",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo/bar/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo",
+    "base": "about:blank",
+    "href": "http://example.com/foo",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/%20foo",
+    "base": "about:blank",
+    "href": "http://example.com/%20foo",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/%20foo",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo%",
+    "base": "about:blank",
+    "href": "http://example.com/foo%",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo%",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo%2",
+    "base": "about:blank",
+    "href": "http://example.com/foo%2",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo%2",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo%2zbar",
+    "base": "about:blank",
+    "href": "http://example.com/foo%2zbar",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo%2zbar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo%2©zbar",
+    "base": "about:blank",
+    "href": "http://example.com/foo%2%C3%82%C2%A9zbar",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo%2%C3%82%C2%A9zbar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo%41%7a",
+    "base": "about:blank",
+    "href": "http://example.com/foo%41%7a",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo%41%7a",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo\t\u0091%91",
+    "base": "about:blank",
+    "href": "http://example.com/foo%C2%91%91",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo%C2%91%91",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo%00%51",
+    "base": "about:blank",
+    "href": "http://example.com/foo%00%51",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foo%00%51",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/(%28:%3A%29)",
+    "base": "about:blank",
+    "href": "http://example.com/(%28:%3A%29)",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/(%28:%3A%29)",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/%3A%3a%3C%3c",
+    "base": "about:blank",
+    "href": "http://example.com/%3A%3a%3C%3c",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/%3A%3a%3C%3c",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/foo\tbar",
+    "base": "about:blank",
+    "href": "http://example.com/foobar",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/foobar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com\\\\foo\\\\bar",
+    "base": "about:blank",
+    "href": "http://example.com//foo//bar",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "//foo//bar",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/%7Ffp3%3Eju%3Dduvgw%3Dd",
+    "base": "about:blank",
+    "href": "http://example.com/%7Ffp3%3Eju%3Dduvgw%3Dd",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/%7Ffp3%3Eju%3Dduvgw%3Dd",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/@asdf%40",
+    "base": "about:blank",
+    "href": "http://example.com/@asdf%40",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/@asdf%40",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/你好你好",
+    "base": "about:blank",
+    "href": "http://example.com/%E4%BD%A0%E5%A5%BD%E4%BD%A0%E5%A5%BD",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/%E4%BD%A0%E5%A5%BD%E4%BD%A0%E5%A5%BD",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/‥/foo",
+    "base": "about:blank",
+    "href": "http://example.com/%E2%80%A5/foo",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/%E2%80%A5/foo",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com//foo",
+    "base": "about:blank",
+    "href": "http://example.com/%EF%BB%BF/foo",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/%EF%BB%BF/foo",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example.com/‮/foo/‭/bar",
+    "base": "about:blank",
+    "href": "http://example.com/%E2%80%AE/foo/%E2%80%AD/bar",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/%E2%80%AE/foo/%E2%80%AD/bar",
+    "search": "",
+    "hash": ""
+  },
+  "# Based on http://trac.webkit.org/browser/trunk/LayoutTests/fast/url/script-tests/relative.js",
+  {
+    "input": "http://www.google.com/foo?bar=baz#",
+    "base": "about:blank",
+    "href": "http://www.google.com/foo?bar=baz#",
+    "origin": "http://www.google.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.google.com",
+    "hostname": "www.google.com",
+    "port": "",
+    "pathname": "/foo",
+    "search": "?bar=baz",
+    "hash": ""
+  },
+  {
+    "input": "http://www.google.com/foo?bar=baz# »",
+    "base": "about:blank",
+    "href": "http://www.google.com/foo?bar=baz# »",
+    "origin": "http://www.google.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.google.com",
+    "hostname": "www.google.com",
+    "port": "",
+    "pathname": "/foo",
+    "search": "?bar=baz",
+    "hash": "# »"
+  },
+  {
+    "input": "data:test# »",
+    "base": "about:blank",
+    "href": "data:test# »",
+    "origin": "null",
+    "protocol": "data:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "test",
+    "search": "",
+    "hash": "# »"
+  },
+  {
+    "input": "http://[www.google.com]/",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http://www.google.com",
+    "base": "about:blank",
+    "href": "http://www.google.com/",
+    "origin": "http://www.google.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.google.com",
+    "hostname": "www.google.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://192.0x00A80001",
+    "base": "about:blank",
+    "href": "http://192.168.0.1/",
+    "origin": "http://192.168.0.1",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "192.168.0.1",
+    "hostname": "192.168.0.1",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://www/foo%2Ehtml",
+    "base": "about:blank",
+    "href": "http://www/foo.html",
+    "origin": "http://www",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www",
+    "hostname": "www",
+    "port": "",
+    "pathname": "/foo.html",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://www/foo/%2E/html",
+    "base": "about:blank",
+    "href": "http://www/foo/html",
+    "origin": "http://www",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www",
+    "hostname": "www",
+    "port": "",
+    "pathname": "/foo/html",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://user:pass@/",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http://%25DOMAIN:foobar@foodomain.com/",
+    "base": "about:blank",
+    "href": "http://%25DOMAIN:foobar@foodomain.com/",
+    "origin": "http://foodomain.com",
+    "protocol": "http:",
+    "username": "%25DOMAIN",
+    "password": "foobar",
+    "host": "foodomain.com",
+    "hostname": "foodomain.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:\\\\www.google.com\\foo",
+    "base": "about:blank",
+    "href": "http://www.google.com/foo",
+    "origin": "http://www.google.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.google.com",
+    "hostname": "www.google.com",
+    "port": "",
+    "pathname": "/foo",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://foo:80/",
+    "base": "about:blank",
+    "href": "http://foo/",
+    "origin": "http://foo",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "foo",
+    "hostname": "foo",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://foo:81/",
+    "base": "about:blank",
+    "href": "http://foo:81/",
+    "origin": "http://foo:81",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "foo:81",
+    "hostname": "foo",
+    "port": "81",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "httpa://foo:80/",
+    "base": "about:blank",
+    "href": "httpa://foo:80/",
+    "origin": "null",
+    "protocol": "httpa:",
+    "username": "",
+    "password": "",
+    "host": "foo:80",
+    "hostname": "foo",
+    "port": "80",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://foo:-80/",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "https://foo:443/",
+    "base": "about:blank",
+    "href": "https://foo/",
+    "origin": "https://foo",
+    "protocol": "https:",
+    "username": "",
+    "password": "",
+    "host": "foo",
+    "hostname": "foo",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "https://foo:80/",
+    "base": "about:blank",
+    "href": "https://foo:80/",
+    "origin": "https://foo:80",
+    "protocol": "https:",
+    "username": "",
+    "password": "",
+    "host": "foo:80",
+    "hostname": "foo",
+    "port": "80",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ftp://foo:21/",
+    "base": "about:blank",
+    "href": "ftp://foo/",
+    "origin": "ftp://foo",
+    "protocol": "ftp:",
+    "username": "",
+    "password": "",
+    "host": "foo",
+    "hostname": "foo",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ftp://foo:80/",
+    "base": "about:blank",
+    "href": "ftp://foo:80/",
+    "origin": "ftp://foo:80",
+    "protocol": "ftp:",
+    "username": "",
+    "password": "",
+    "host": "foo:80",
+    "hostname": "foo",
+    "port": "80",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "gopher://foo:70/",
+    "base": "about:blank",
+    "href": "gopher://foo/",
+    "origin": "gopher://foo",
+    "protocol": "gopher:",
+    "username": "",
+    "password": "",
+    "host": "foo",
+    "hostname": "foo",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "gopher://foo:443/",
+    "base": "about:blank",
+    "href": "gopher://foo:443/",
+    "origin": "gopher://foo:443",
+    "protocol": "gopher:",
+    "username": "",
+    "password": "",
+    "host": "foo:443",
+    "hostname": "foo",
+    "port": "443",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ws://foo:80/",
+    "base": "about:blank",
+    "href": "ws://foo/",
+    "origin": "ws://foo",
+    "protocol": "ws:",
+    "username": "",
+    "password": "",
+    "host": "foo",
+    "hostname": "foo",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ws://foo:81/",
+    "base": "about:blank",
+    "href": "ws://foo:81/",
+    "origin": "ws://foo:81",
+    "protocol": "ws:",
+    "username": "",
+    "password": "",
+    "host": "foo:81",
+    "hostname": "foo",
+    "port": "81",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ws://foo:443/",
+    "base": "about:blank",
+    "href": "ws://foo:443/",
+    "origin": "ws://foo:443",
+    "protocol": "ws:",
+    "username": "",
+    "password": "",
+    "host": "foo:443",
+    "hostname": "foo",
+    "port": "443",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ws://foo:815/",
+    "base": "about:blank",
+    "href": "ws://foo:815/",
+    "origin": "ws://foo:815",
+    "protocol": "ws:",
+    "username": "",
+    "password": "",
+    "host": "foo:815",
+    "hostname": "foo",
+    "port": "815",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "wss://foo:80/",
+    "base": "about:blank",
+    "href": "wss://foo:80/",
+    "origin": "wss://foo:80",
+    "protocol": "wss:",
+    "username": "",
+    "password": "",
+    "host": "foo:80",
+    "hostname": "foo",
+    "port": "80",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "wss://foo:81/",
+    "base": "about:blank",
+    "href": "wss://foo:81/",
+    "origin": "wss://foo:81",
+    "protocol": "wss:",
+    "username": "",
+    "password": "",
+    "host": "foo:81",
+    "hostname": "foo",
+    "port": "81",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "wss://foo:443/",
+    "base": "about:blank",
+    "href": "wss://foo/",
+    "origin": "wss://foo",
+    "protocol": "wss:",
+    "username": "",
+    "password": "",
+    "host": "foo",
+    "hostname": "foo",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "wss://foo:815/",
+    "base": "about:blank",
+    "href": "wss://foo:815/",
+    "origin": "wss://foo:815",
+    "protocol": "wss:",
+    "username": "",
+    "password": "",
+    "host": "foo:815",
+    "hostname": "foo",
+    "port": "815",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:/example.com/",
+    "base": "about:blank",
+    "href": "http://example.com/",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ftp:/example.com/",
+    "base": "about:blank",
+    "href": "ftp://example.com/",
+    "origin": "ftp://example.com",
+    "protocol": "ftp:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "https:/example.com/",
+    "base": "about:blank",
+    "href": "https://example.com/",
+    "origin": "https://example.com",
+    "protocol": "https:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "madeupscheme:/example.com/",
+    "base": "about:blank",
+    "href": "madeupscheme:/example.com/",
+    "origin": "null",
+    "protocol": "madeupscheme:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "file:/example.com/",
+    "base": "about:blank",
+    "href": "file:///example.com/",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ftps:/example.com/",
+    "base": "about:blank",
+    "href": "ftps:/example.com/",
+    "origin": "null",
+    "protocol": "ftps:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "gopher:/example.com/",
+    "base": "about:blank",
+    "href": "gopher://example.com/",
+    "origin": "gopher://example.com",
+    "protocol": "gopher:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ws:/example.com/",
+    "base": "about:blank",
+    "href": "ws://example.com/",
+    "origin": "ws://example.com",
+    "protocol": "ws:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "wss:/example.com/",
+    "base": "about:blank",
+    "href": "wss://example.com/",
+    "origin": "wss://example.com",
+    "protocol": "wss:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "data:/example.com/",
+    "base": "about:blank",
+    "href": "data:/example.com/",
+    "origin": "null",
+    "protocol": "data:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "javascript:/example.com/",
+    "base": "about:blank",
+    "href": "javascript:/example.com/",
+    "origin": "null",
+    "protocol": "javascript:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "mailto:/example.com/",
+    "base": "about:blank",
+    "href": "mailto:/example.com/",
+    "origin": "null",
+    "protocol": "mailto:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:example.com/",
+    "base": "about:blank",
+    "href": "http://example.com/",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ftp:example.com/",
+    "base": "about:blank",
+    "href": "ftp://example.com/",
+    "origin": "ftp://example.com",
+    "protocol": "ftp:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "https:example.com/",
+    "base": "about:blank",
+    "href": "https://example.com/",
+    "origin": "https://example.com",
+    "protocol": "https:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "madeupscheme:example.com/",
+    "base": "about:blank",
+    "href": "madeupscheme:example.com/",
+    "origin": "null",
+    "protocol": "madeupscheme:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ftps:example.com/",
+    "base": "about:blank",
+    "href": "ftps:example.com/",
+    "origin": "null",
+    "protocol": "ftps:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "gopher:example.com/",
+    "base": "about:blank",
+    "href": "gopher://example.com/",
+    "origin": "gopher://example.com",
+    "protocol": "gopher:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "ws:example.com/",
+    "base": "about:blank",
+    "href": "ws://example.com/",
+    "origin": "ws://example.com",
+    "protocol": "ws:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "wss:example.com/",
+    "base": "about:blank",
+    "href": "wss://example.com/",
+    "origin": "wss://example.com",
+    "protocol": "wss:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "data:example.com/",
+    "base": "about:blank",
+    "href": "data:example.com/",
+    "origin": "null",
+    "protocol": "data:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "javascript:example.com/",
+    "base": "about:blank",
+    "href": "javascript:example.com/",
+    "origin": "null",
+    "protocol": "javascript:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "example.com/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "mailto:example.com/",
+    "base": "about:blank",
+    "href": "mailto:example.com/",
+    "origin": "null",
+    "protocol": "mailto:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "example.com/",
+    "search": "",
+    "hash": ""
+  },
+  "# Based on http://trac.webkit.org/browser/trunk/LayoutTests/fast/url/segments-userinfo-vs-host.html",
+  {
+    "input": "http:@www.example.com",
+    "base": "about:blank",
+    "href": "http://www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:/@www.example.com",
+    "base": "about:blank",
+    "href": "http://www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://@www.example.com",
+    "base": "about:blank",
+    "href": "http://www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:a:b@www.example.com",
+    "base": "about:blank",
+    "href": "http://a:b@www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "a",
+    "password": "b",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:/a:b@www.example.com",
+    "base": "about:blank",
+    "href": "http://a:b@www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "a",
+    "password": "b",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://a:b@www.example.com",
+    "base": "about:blank",
+    "href": "http://a:b@www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "a",
+    "password": "b",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://@pple.com",
+    "base": "about:blank",
+    "href": "http://pple.com/",
+    "origin": "http://pple.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "pple.com",
+    "hostname": "pple.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http::b@www.example.com",
+    "base": "about:blank",
+    "href": "http://:b@www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "b",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:/:b@www.example.com",
+    "base": "about:blank",
+    "href": "http://:b@www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "b",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://:b@www.example.com",
+    "base": "about:blank",
+    "href": "http://:b@www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "b",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:/:@/www.example.com",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http://user@/www.example.com",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http:@/www.example.com",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http:/@/www.example.com",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http://@/www.example.com",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "https:@/www.example.com",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http:a:b@/www.example.com",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http:/a:b@/www.example.com",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http://a:b@/www.example.com",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http::@/www.example.com",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http:a:@www.example.com",
+    "base": "about:blank",
+    "href": "http://a:@www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "a",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:/a:@www.example.com",
+    "base": "about:blank",
+    "href": "http://a:@www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "a",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://a:@www.example.com",
+    "base": "about:blank",
+    "href": "http://a:@www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "a",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://www.@pple.com",
+    "base": "about:blank",
+    "href": "http://www.@pple.com/",
+    "origin": "http://pple.com",
+    "protocol": "http:",
+    "username": "www.",
+    "password": "",
+    "host": "pple.com",
+    "hostname": "pple.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http:@:www.example.com",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http:/@:www.example.com",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http://@:www.example.com",
+    "base": "about:blank",
+    "failure": true
+  },
+  {
+    "input": "http://:@www.example.com",
+    "base": "about:blank",
+    "href": "http://:@www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  "# Others",
+  {
+    "input": "/",
+    "base": "http://www.example.com/test",
+    "href": "http://www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "/test.txt",
+    "base": "http://www.example.com/test",
+    "href": "http://www.example.com/test.txt",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/test.txt",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": ".",
+    "base": "http://www.example.com/test",
+    "href": "http://www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "..",
+    "base": "http://www.example.com/test",
+    "href": "http://www.example.com/",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "test.txt",
+    "base": "http://www.example.com/test",
+    "href": "http://www.example.com/test.txt",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/test.txt",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "./test.txt",
+    "base": "http://www.example.com/test",
+    "href": "http://www.example.com/test.txt",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/test.txt",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "../test.txt",
+    "base": "http://www.example.com/test",
+    "href": "http://www.example.com/test.txt",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/test.txt",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "../aaa/test.txt",
+    "base": "http://www.example.com/test",
+    "href": "http://www.example.com/aaa/test.txt",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/aaa/test.txt",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "../../test.txt",
+    "base": "http://www.example.com/test",
+    "href": "http://www.example.com/test.txt",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/test.txt",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "中/test.txt",
+    "base": "http://www.example.com/test",
+    "href": "http://www.example.com/%E4%B8%AD/test.txt",
+    "origin": "http://www.example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example.com",
+    "hostname": "www.example.com",
+    "port": "",
+    "pathname": "/%E4%B8%AD/test.txt",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://www.example2.com",
+    "base": "http://www.example.com/test",
+    "href": "http://www.example2.com/",
+    "origin": "http://www.example2.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example2.com",
+    "hostname": "www.example2.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "//www.example2.com",
+    "base": "http://www.example.com/test",
+    "href": "http://www.example2.com/",
+    "origin": "http://www.example2.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.example2.com",
+    "hostname": "www.example2.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "file:...",
+    "base": "http://www.example.com/test",
+    "href": "file:///...",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/...",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "file:..",
+    "base": "http://www.example.com/test",
+    "href": "file:///",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "file:a",
+    "base": "http://www.example.com/test",
+    "href": "file:///a",
+    "protocol": "file:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/a",
+    "search": "",
+    "hash": ""
+  },
+  "# Based on http://trac.webkit.org/browser/trunk/LayoutTests/fast/url/host.html",
+  "Basic canonicalization, uppercase should be converted to lowercase",
+  {
+    "input": "http://ExAmPlE.CoM",
+    "base": "http://other.com/",
+    "href": "http://example.com/",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://example example.com",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  {
+    "input": "http://Goo%20 goo%7C|.com",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  {
+    "input": "http://[]",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  {
+    "input": "http://[:]",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  "U+3000 is mapped to U+0020 (space) which is disallowed",
+  {
+    "input": "http://GOO\u00a0\u3000goo.com",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  "Other types of space (no-break, zero-width, zero-width-no-break) are name-prepped away to nothing. U+200B, U+2060, and U+FEFF, are ignored",
+  {
+    "input": "http://GOO\u200b\u2060\ufeffgoo.com",
+    "base": "http://other.com/",
+    "href": "http://googoo.com/",
+    "origin": "http://googoo.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "googoo.com",
+    "hostname": "googoo.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  "Ideographic full stop (full-width period for Chinese, etc.) should be treated as a dot. U+3002 is mapped to U+002E (dot)",
+  {
+    "input": "http://www.foo。bar.com",
+    "base": "http://other.com/",
+    "href": "http://www.foo.bar.com/",
+    "origin": "http://www.foo.bar.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "www.foo.bar.com",
+    "hostname": "www.foo.bar.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  "Invalid unicode characters should fail... U+FDD0 is disallowed; %ef%b7%90 is U+FDD0",
+  {
+    "input": "http://\ufdd0zyx.com",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  "This is the same as previous but escaped",
+  {
+    "input": "http://%ef%b7%90zyx.com",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  "Test name prepping, fullwidth input should be converted to ASCII and NOT IDN-ized. This is 'Go' in fullwidth UTF-8/UTF-16.",
+  {
+    "input": "http://Ｇｏ.com",
+    "base": "http://other.com/",
+    "href": "http://go.com/",
+    "origin": "http://go.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "go.com",
+    "hostname": "go.com",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  "URL spec forbids the following. https://www.w3.org/Bugs/Public/show_bug.cgi?id=24257",
+  {
+    "input": "http://％４１.com",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  {
+    "input": "http://%ef%bc%85%ef%bc%94%ef%bc%91.com",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  "...%00 in fullwidth should fail (also as escaped UTF-8 input)",
+  {
+    "input": "http://％００.com",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  {
+    "input": "http://%ef%bc%85%ef%bc%90%ef%bc%90.com",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  "Basic IDN support, UTF-8 and UTF-16 input should be converted to IDN",
+  {
+    "input": "http://你好你好",
+    "base": "http://other.com/",
+    "href": "http://xn--6qqa088eba/",
+    "origin": "http://你好你好",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "xn--6qqa088eba",
+    "hostname": "xn--6qqa088eba",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  "Invalid escaped characters should fail and the percents should be escaped. https://www.w3.org/Bugs/Public/show_bug.cgi?id=24191",
+  {
+    "input": "http://%zz%66%a.com",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  "If we get an invalid character that has been escaped.",
+  {
+    "input": "http://%25",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  {
+    "input": "http://hello%00",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  "Escaped numbers should be treated like IP addresses if they are.",
+  {
+    "input": "http://%30%78%63%30%2e%30%32%35%30.01",
+    "base": "http://other.com/",
+    "href": "http://192.168.0.1/",
+    "origin": "http://192.168.0.1",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "192.168.0.1",
+    "hostname": "192.168.0.1",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://%30%78%63%30%2e%30%32%35%30.01%2e",
+    "base": "http://other.com/",
+    "href": "http://192.168.0.1/",
+    "origin": "http://192.168.0.1",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "192.168.0.1",
+    "hostname": "192.168.0.1",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://192.168.0.257",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  "Invalid escaping should trigger the regular host error handling",
+  {
+    "input": "http://%3g%78%63%30%2e%30%32%35%30%2E.01",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  "Something that isn't exactly an IP should get treated as a host and spaces escaped",
+  {
+    "input": "http://192.168.0.1 hello",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  "Fullwidth and escaped UTF-8 fullwidth should still be treated as IP",
+  {
+    "input": "http://０Ｘｃ０．０２５０．０１",
+    "base": "http://other.com/",
+    "href": "http://192.168.0.1/",
+    "origin": "http://192.168.0.1",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "192.168.0.1",
+    "hostname": "192.168.0.1",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  "Broken IPv6",
+  {
+    "input": "http://[google.com]",
+    "base": "http://other.com/",
+    "failure": true
+  },
+  "Misc Unicode",
+  {
+    "input": "http://foo:💩@example.com/bar",
+    "base": "http://other.com/",
+    "href": "http://foo:%F0%9F%92%A9@example.com/bar",
+    "origin": "http://example.com",
+    "protocol": "http:",
+    "username": "foo",
+    "password": "%F0%9F%92%A9",
+    "host": "example.com",
+    "hostname": "example.com",
+    "port": "",
+    "pathname": "/bar",
+    "search": "",
+    "hash": ""
+  },
+  "# resolving a fragment against any scheme succeeds",
+  {
+    "input": "#",
+    "base": "test:test",
+    "href": "test:test#",
+    "origin": "null",
+    "protocol": "test:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "test",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "#x",
+    "base": "mailto:x@x.com",
+    "href": "mailto:x@x.com#x",
+    "origin": "null",
+    "protocol": "mailto:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "x@x.com",
+    "search": "",
+    "hash": "#x"
+  },
+  {
+    "input": "#x",
+    "base": "data:,",
+    "href": "data:,#x",
+    "origin": "null",
+    "protocol": "data:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": ",",
+    "search": "",
+    "hash": "#x"
+  },
+  {
+    "input": "#x",
+    "base": "about:blank",
+    "href": "about:blank#x",
+    "origin": "null",
+    "protocol": "about:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "blank",
+    "search": "",
+    "hash": "#x"
+  },
+  {
+    "input": "#",
+    "base": "test:test?test",
+    "href": "test:test?test#",
+    "origin": "null",
+    "protocol": "test:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "test",
+    "search": "?test",
+    "hash": ""
+  },
+  "# multiple @ in authority state",
+  {
+    "input": "https://@test@test@example:800/",
+    "base": "http://doesnotmatter/",
+    "href": "https://%40test%40test@example:800/",
+    "origin": "https://example:800",
+    "protocol": "https:",
+    "username": "%40test%40test",
+    "password": "",
+    "host": "example:800",
+    "hostname": "example",
+    "port": "800",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "https://@@@example",
+    "base": "http://doesnotmatter/",
+    "href": "https://%40%40@example/",
+    "origin": "https://example",
+    "protocol": "https:",
+    "username": "%40%40",
+    "password": "",
+    "host": "example",
+    "hostname": "example",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  "non-az-09 characters",
+  {
+    "input": "http://`{}:`{}@h/`{}?`{}",
+    "base": "http://doesnotmatter/",
+    "href": "http://%60%7B%7D:%60%7B%7D@h/%60%7B%7D?`{}",
+    "origin": "http://h",
+    "protocol": "http:",
+    "username": "%60%7B%7D",
+    "password": "%60%7B%7D",
+    "host": "h",
+    "hostname": "h",
+    "port": "",
+    "pathname": "/%60%7B%7D",
+    "search": "?`{}",
+    "hash": ""
+  },
+  "# Credentials in base",
+  {
+    "input": "/some/path",
+    "base": "http://user@example.org/smth",
+    "href": "http://user@example.org/some/path",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "user",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/some/path",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "",
+    "base": "http://user:pass@example.org:21/smth",
+    "href": "http://user:pass@example.org:21/smth",
+    "origin": "http://example.org:21",
+    "protocol": "http:",
+    "username": "user",
+    "password": "pass",
+    "host": "example.org:21",
+    "hostname": "example.org",
+    "port": "21",
+    "pathname": "/smth",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "/some/path",
+    "base": "http://user:pass@example.org:21/smth",
+    "href": "http://user:pass@example.org:21/some/path",
+    "origin": "http://example.org:21",
+    "protocol": "http:",
+    "username": "user",
+    "password": "pass",
+    "host": "example.org:21",
+    "hostname": "example.org",
+    "port": "21",
+    "pathname": "/some/path",
+    "search": "",
+    "hash": ""
+  },
+  "# a set of tests designed by zcorpan for relative URLs with unknown schemes",
+  {
+    "input": "i",
+    "base": "sc:sd",
+    "failure": true
+  },
+  {
+    "input": "i",
+    "base": "sc:sd/sd",
+    "failure": true
+  },
+  {
+    "input": "i",
+    "base": "sc:/pa/pa",
+    "href": "sc:/pa/i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/pa/i",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "i",
+    "base": "sc://ho/pa",
+    "href": "sc://ho/i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "ho",
+    "hostname": "ho",
+    "port": "",
+    "pathname": "/i",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "i",
+    "base": "sc:///pa/pa",
+    "href": "sc:///pa/i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/pa/i",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "../i",
+    "base": "sc:sd",
+    "failure": true
+  },
+  {
+    "input": "../i",
+    "base": "sc:sd/sd",
+    "failure": true
+  },
+  {
+    "input": "../i",
+    "base": "sc:/pa/pa",
+    "href": "sc:/i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/i",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "../i",
+    "base": "sc://ho/pa",
+    "href": "sc://ho/i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "ho",
+    "hostname": "ho",
+    "port": "",
+    "pathname": "/i",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "../i",
+    "base": "sc:///pa/pa",
+    "href": "sc:///i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/i",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "/i",
+    "base": "sc:sd",
+    "failure": true
+  },
+  {
+    "input": "/i",
+    "base": "sc:sd/sd",
+    "failure": true
+  },
+  {
+    "input": "/i",
+    "base": "sc:/pa/pa",
+    "href": "sc:/i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/i",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "/i",
+    "base": "sc://ho/pa",
+    "href": "sc://ho/i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "ho",
+    "hostname": "ho",
+    "port": "",
+    "pathname": "/i",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "/i",
+    "base": "sc:///pa/pa",
+    "href": "sc:///i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/i",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "?i",
+    "base": "sc:sd",
+    "failure": true
+  },
+  {
+    "input": "?i",
+    "base": "sc:sd/sd",
+    "failure": true
+  },
+  {
+    "input": "?i",
+    "base": "sc:/pa/pa",
+    "href": "sc:/pa/pa?i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/pa/pa",
+    "search": "?i",
+    "hash": ""
+  },
+  {
+    "input": "?i",
+    "base": "sc://ho/pa",
+    "href": "sc://ho/pa?i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "ho",
+    "hostname": "ho",
+    "port": "",
+    "pathname": "/pa",
+    "search": "?i",
+    "hash": ""
+  },
+  {
+    "input": "?i",
+    "base": "sc:///pa/pa",
+    "href": "sc:///pa/pa?i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/pa/pa",
+    "search": "?i",
+    "hash": ""
+  },
+  {
+    "input": "#i",
+    "base": "sc:sd",
+    "href": "sc:sd#i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "sd",
+    "search": "",
+    "hash": "#i"
+  },
+  {
+    "input": "#i",
+    "base": "sc:sd/sd",
+    "href": "sc:sd/sd#i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "sd/sd",
+    "search": "",
+    "hash": "#i"
+  },
+  {
+    "input": "#i",
+    "base": "sc:/pa/pa",
+    "href": "sc:/pa/pa#i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/pa/pa",
+    "search": "",
+    "hash": "#i"
+  },
+  {
+    "input": "#i",
+    "base": "sc://ho/pa",
+    "href": "sc://ho/pa#i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "ho",
+    "hostname": "ho",
+    "port": "",
+    "pathname": "/pa",
+    "search": "",
+    "hash": "#i"
+  },
+  {
+    "input": "#i",
+    "base": "sc:///pa/pa",
+    "href": "sc:///pa/pa#i",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/pa/pa",
+    "search": "",
+    "hash": "#i"
+  },
+  "# make sure that relative URL logic works on known typically non-relative schemes too",
+  {
+    "input": "about:/../",
+    "base": "about:blank",
+    "href": "about:/",
+    "origin": "null",
+    "protocol": "about:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "data:/../",
+    "base": "about:blank",
+    "href": "data:/",
+    "origin": "null",
+    "protocol": "data:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "javascript:/../",
+    "base": "about:blank",
+    "href": "javascript:/",
+    "origin": "null",
+    "protocol": "javascript:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "mailto:/../",
+    "base": "about:blank",
+    "href": "mailto:/",
+    "origin": "null",
+    "protocol": "mailto:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  "# unknown schemes and non-ASCII domains",
+  {
+    "input": "sc://ñ.test/",
+    "base": "about:blank",
+    "href": "sc://xn--ida.test/",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "xn--ida.test",
+    "hostname": "xn--ida.test",
+    "port": "",
+    "pathname": "/",
+    "search": "",
+    "hash": ""
+  },
+  "# unknown schemes and backslashes",
+  {
+    "input": "sc:\\../",
+    "base": "about:blank",
+    "href": "sc:\\../",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": "\\../",
+    "search": "",
+    "hash": ""
+  },
+  "# unknown scheme with path looking like a password",
+  {
+    "input": "sc::a@example.net",
+    "base": "about:blank",
+    "href": "sc::a@example.net",
+    "origin": "null",
+    "protocol": "sc:",
+    "username": "",
+    "password": "",
+    "host": "",
+    "hostname": "",
+    "port": "",
+    "pathname": ":a@example.net",
+    "search": "",
+    "hash": ""
+  },
+  "# tests from jsdom/whatwg-url designed for code coverage",
+  {
+    "input": "http://127.0.0.1:10100/relative_import.html",
+    "base": "about:blank",
+    "href": "http://127.0.0.1:10100/relative_import.html",
+    "origin": "http://127.0.0.1:10100",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "127.0.0.1:10100",
+    "hostname": "127.0.0.1",
+    "port": "10100",
+    "pathname": "/relative_import.html",
+    "search": "",
+    "hash": ""
+  },
+  {
+    "input": "http://facebook.com/?foo=%7B%22abc%22",
+    "base": "about:blank",
+    "href": "http://facebook.com/?foo=%7B%22abc%22",
+    "origin": "http://facebook.com",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "facebook.com",
+    "hostname": "facebook.com",
+    "port": "",
+    "pathname": "/",
+    "search": "?foo=%7B%22abc%22",
+    "hash": ""
+  },
+  {
+    "input": "https://localhost:3000/jqueryui@1.2.3",
+    "base": "about:blank",
+    "href": "https://localhost:3000/jqueryui@1.2.3",
+    "origin": "https://localhost:3000",
+    "protocol": "https:",
+    "username": "",
+    "password": "",
+    "host": "localhost:3000",
+    "hostname": "localhost",
+    "port": "3000",
+    "pathname": "/jqueryui@1.2.3",
+    "search": "",
+    "hash": ""
+  },
+  "# tab/LF/CR",
+  {
+    "input": "h\tt\nt\rp://h\to\ns\rt:9\t0\n0\r0/p\ta\nt\rh?q\tu\ne\rry#f\tr\na\rg",
+    "base": "about:blank",
+    "href": "http://host:9000/path?query#frag",
+    "origin": "http://host:9000",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "host:9000",
+    "hostname": "host",
+    "port": "9000",
+    "pathname": "/path",
+    "search": "?query",
+    "hash": "#frag"
+  },
+  "# Stringification of URL.searchParams",
+  {
+    "input": "?a=b&c=d",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/bar?a=b&c=d",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/bar",
+    "search": "?a=b&c=d",
+    "searchParams": "a=b&c=d",
+    "hash": ""
+  },
+  {
+    "input": "??a=b&c=d",
+    "base": "http://example.org/foo/bar",
+    "href": "http://example.org/foo/bar??a=b&c=d",
+    "origin": "http://example.org",
+    "protocol": "http:",
+    "username": "",
+    "password": "",
+    "host": "example.org",
+    "hostname": "example.org",
+    "port": "",
+    "pathname": "/foo/bar",
+    "search": "??a=b&c=d",
+    "searchParams": "%3Fa=b&c=d",
+    "hash": ""
+  }
+]