From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 .../tests/html/webappapis/scripting/.gitkeep       |  0
 .../enabling-and-disabling-scripting/.gitkeep      |  0
 .../html/webappapis/scripting/event-loops/.gitkeep |  0
 .../webappapis/scripting/event-loops/contains.json | 14 ++++
 .../scripting/event-loops/microtask_after_raf.html | 57 +++++++++++++++
 .../event-loops/microtask_after_script.html        | 55 ++++++++++++++
 .../scripting/event-loops/resources/common.js      | 20 +++++
 .../task_microtask_ordering-manual.html            | 64 ++++++++++++++++
 .../event-loops/task_microtask_ordering.html       | 85 ++++++++++++++++++++++
 .../html/webappapis/scripting/events/.gitkeep      |  0
 .../webappapis/scripting/events/body-onload.html   | 20 +++++
 .../html/webappapis/scripting/events/contains.json | 18 +++++
 .../event-handler-attributes-body-window.html      | 34 +++++++++
 .../scripting/events/event-handler-javascript.html | 20 +++++
 .../scripting/events/event-handler-onresize.html   | 38 ++++++++++
 .../events/event-handler-processing-algorithm.html | 63 ++++++++++++++++
 .../events/event-handler-spec-example.html         | 65 +++++++++++++++++
 .../events/inline-event-handler-ordering.html      | 52 +++++++++++++
 ...valid-uncompiled-raw-handler-compiled-late.html | 25 +++++++
 ...valid-uncompiled-raw-handler-compiled-once.html | 23 ++++++
 .../events/onerroreventhandler-frame.html          | 56 ++++++++++++++
 .../scripting/events/onerroreventhandler.html      | 11 +++
 .../webappapis/scripting/introduction-5/.gitkeep   |  0
 .../scripting/javascript-protocol/.gitkeep         |  0
 .../scripting/processing-model-2/.gitkeep          |  0
 .../processing-model-2/addEventListener.html       | 32 ++++++++
 .../body-onerror-compile-error-data-url.html       | 37 ++++++++++
 .../body-onerror-compile-error.html                | 39 ++++++++++
 .../body-onerror-runtime-error.html                | 39 ++++++++++
 .../compile-error-cross-origin-setInterval.html    | 34 +++++++++
 .../compile-error-cross-origin-setTimeout.html     | 32 ++++++++
 .../compile-error-cross-origin.html                | 38 ++++++++++
 .../processing-model-2/compile-error-data-url.html | 36 +++++++++
 .../compile-error-in-attribute.html                | 39 ++++++++++
 .../compile-error-in-body-onerror.html             | 28 +++++++
 .../compile-error-in-setInterval.html              | 39 ++++++++++
 .../compile-error-in-setTimeout.html               | 36 +++++++++
 .../compile-error-same-origin.html                 | 36 +++++++++
 .../processing-model-2/compile-error.html          | 38 ++++++++++
 .../scripting/processing-model-2/contains.json     | 28 +++++++
 .../runtime-error-cross-origin-setInterval.html    | 34 +++++++++
 .../runtime-error-cross-origin-setTimeout.html     | 32 ++++++++
 .../runtime-error-cross-origin.html                | 38 ++++++++++
 .../processing-model-2/runtime-error-data-url.html | 36 +++++++++
 .../runtime-error-in-attribute.html                | 39 ++++++++++
 .../runtime-error-in-body-onerror.html             | 25 +++++++
 .../runtime-error-in-setInterval.html              | 39 ++++++++++
 .../runtime-error-in-setTimeout.html               | 36 +++++++++
 .../runtime-error-in-window-onerror.html           | 29 ++++++++
 .../runtime-error-same-origin.html                 | 36 +++++++++
 .../processing-model-2/runtime-error.html          | 38 ++++++++++
 .../support/syntax-error-in-setInterval.js         |  9 +++
 .../support/syntax-error-in-setTimeout.js          |  8 ++
 .../processing-model-2/support/syntax-error.js     |  1 +
 .../support/undefined-variable-in-setInterval.js   |  9 +++
 .../support/undefined-variable-in-setTimeout.js    |  8 ++
 .../support/undefined-variable.js                  |  1 +
 .../window-onerror-parse-error.html                | 40 ++++++++++
 .../window-onerror-runtime-error-throw.html        | 39 ++++++++++
 .../window-onerror-runtime-error.html              | 43 +++++++++++
 ...onerror-with-cross-frame-event-listeners-1.html | 33 +++++++++
 ...onerror-with-cross-frame-event-listeners-2.html | 33 +++++++++
 ...onerror-with-cross-frame-event-listeners-3.html | 33 +++++++++
 ...onerror-with-cross-frame-event-listeners-4.html | 33 +++++++++
 64 files changed, 1923 insertions(+)
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/.gitkeep
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/enabling-and-disabling-scripting/.gitkeep
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/event-loops/.gitkeep
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/event-loops/contains.json
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/event-loops/microtask_after_raf.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/event-loops/microtask_after_script.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/event-loops/resources/common.js
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/event-loops/task_microtask_ordering-manual.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/event-loops/task_microtask_ordering.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/events/.gitkeep
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/events/body-onload.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/events/contains.json
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/events/event-handler-attributes-body-window.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/events/event-handler-javascript.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/events/event-handler-onresize.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/events/event-handler-processing-algorithm.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/events/event-handler-spec-example.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/events/inline-event-handler-ordering.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/events/invalid-uncompiled-raw-handler-compiled-late.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/events/invalid-uncompiled-raw-handler-compiled-once.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/events/onerroreventhandler-frame.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/events/onerroreventhandler.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/introduction-5/.gitkeep
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/javascript-protocol/.gitkeep
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/.gitkeep
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/addEventListener.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/body-onerror-compile-error-data-url.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/body-onerror-compile-error.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/body-onerror-runtime-error.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-cross-origin-setInterval.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-cross-origin-setTimeout.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-cross-origin.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-data-url.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-attribute.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-body-onerror.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-setInterval.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-setTimeout.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-same-origin.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/contains.json
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-cross-origin-setInterval.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-cross-origin-setTimeout.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-cross-origin.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-data-url.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-attribute.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-body-onerror.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-setInterval.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-setTimeout.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-window-onerror.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-same-origin.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/syntax-error-in-setInterval.js
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/syntax-error-in-setTimeout.js
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/syntax-error.js
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/undefined-variable-in-setInterval.js
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/undefined-variable-in-setTimeout.js
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/undefined-variable.js
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-parse-error.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-runtime-error-throw.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-runtime-error.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-1.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-2.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-3.html
 create mode 100644 testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-4.html

(limited to 'testing/web-platform/tests/html/webappapis/scripting')

diff --git a/testing/web-platform/tests/html/webappapis/scripting/.gitkeep b/testing/web-platform/tests/html/webappapis/scripting/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/testing/web-platform/tests/html/webappapis/scripting/enabling-and-disabling-scripting/.gitkeep b/testing/web-platform/tests/html/webappapis/scripting/enabling-and-disabling-scripting/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/testing/web-platform/tests/html/webappapis/scripting/event-loops/.gitkeep b/testing/web-platform/tests/html/webappapis/scripting/event-loops/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/testing/web-platform/tests/html/webappapis/scripting/event-loops/contains.json b/testing/web-platform/tests/html/webappapis/scripting/event-loops/contains.json
new file mode 100644
index 000000000..5d7e5e600
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/event-loops/contains.json
@@ -0,0 +1,14 @@
+[
+    {
+        "id": "definitions-1",
+        "original_id": "definitions-1"
+    },
+    {
+        "id": "processing-model-3",
+        "original_id": "processing-model-3"
+    },
+    {
+        "id": "generic-task-sources",
+        "original_id": "generic-task-sources"
+    }
+]
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/event-loops/microtask_after_raf.html b/testing/web-platform/tests/html/webappapis/scripting/event-loops/microtask_after_raf.html
new file mode 100644
index 000000000..824dbc4b9
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/event-loops/microtask_after_raf.html
@@ -0,0 +1,57 @@
+<!DOCTYPE html>
+<head>
+<link rel=author title="Aleks Totic" href="mailto:atotic@chromium.org">
+<link rel=help href="https://html.spec.whatwg.org/#clean-up-after-running-script">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/common.js"></script>
+</head>
+<body style="height:2000px;">
+<script>
+/*
+promise 1, promise 2 execute immediately after rAF
+promise 1 child executes immediately after promise 2.
+
+Relevant specs:
+
+https://html.spec.whatwg.org/#clean-up-after-running-script
+If the JavaScript execution context stack is now empty, perform a microtask checkpoint.
+
+https://html.spec.whatwg.org/#perform-a-microtask-checkpoint
+"perform a microtask checkpoint" runs in a loop until all microtasks have been delivered.
+*/
+
+var test = async_test("Microtask execute immediately after script");
+
+window.requestAnimationFrame( function() {
+    var events = [];
+
+    Promise.resolve()
+    .then(function() {
+        events.push("promise 1");
+        return Promise.resolve();
+    })
+    .then(function() {
+        test.step(function() {
+            events.push("promise 1 child");
+            assert_array_equals(events, ["promise 1", "promise 2", "promise 1 child"]);
+            test.done();
+        });
+    });
+    Promise.resolve()
+    .then(function() {
+        events.push("promise 2");
+    });
+
+    // Set up events that must be executed after Promise.
+    window.setTimeout(function() {
+        events.push('timeout');
+    }, 0);
+    window.addEventListener('scroll', function() {
+        events.push('scroll');
+    });
+    window.scrollBy(0,10);
+
+});
+</script>
+</body>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/event-loops/microtask_after_script.html b/testing/web-platform/tests/html/webappapis/scripting/event-loops/microtask_after_script.html
new file mode 100644
index 000000000..799a0de60
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/event-loops/microtask_after_script.html
@@ -0,0 +1,55 @@
+<!DOCTYPE html>
+<head>
+<link rel=author title="Aleks Totic" href="mailto:atotic@chromium.org">
+<link rel=help href="https://html.spec.whatwg.org/#clean-up-after-running-script">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/common.js"></script>
+</head>
+<body style="height:2000px;">
+<script>
+/*
+promise 1, promise 2 execute immediately after script tag
+promise 1 child executes immediately after promise 2.
+
+Relevant specs:
+
+https://html.spec.whatwg.org/#clean-up-after-running-script
+If the JavaScript execution context stack is now empty, perform a microtask checkpoint.
+
+https://html.spec.whatwg.org/#perform-a-microtask-checkpoint
+"perform a microtask checkpoint" runs in a loop until all microtasks have been delivered.
+*/
+
+var test = async_test("Microtask immediately after script");
+
+var events = [];
+
+Promise.resolve()
+.then(function() {
+    events.push("promise 1");
+    return Promise.resolve();
+})
+.then(function() {
+    test.step(function() {
+        events.push("promise 1 child");
+        assert_array_equals(events, ["promise 1", "promise 2", "promise 1 child"]);
+        test.done();
+    });
+});
+Promise.resolve()
+.then(function() {
+    events.push("promise 2");
+});
+
+// Set up events that must be executed after Promise.
+window.setTimeout(function() {
+    events.push('timeout');
+}, 0);
+window.addEventListener('scroll', function() {
+    events.push('scroll');
+});
+window.scrollBy(0,10);
+
+</script>
+</body>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/event-loops/resources/common.js b/testing/web-platform/tests/html/webappapis/scripting/event-loops/resources/common.js
new file mode 100644
index 000000000..e2279f93d
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/event-loops/resources/common.js
@@ -0,0 +1,20 @@
+// Helper for tests that just want to verify the ordering of a series of events.
+// Usage:
+//   log_test(function(t, log) {
+//      log('first');
+//      log('second');
+//   }, ['first', 'second'], 'Ordinal numbers are ordinal');
+
+function log_test(func, expected, description) {
+    async_test(function(t) {
+        var actual = [];
+        function log(entry) {
+            actual.push(entry);
+            if (expected.length <= actual.length) {
+                assert_array_equals(actual, expected);
+                t.done();
+            }
+        }
+        func(t, t.step_func(log));
+    }, description);
+}
diff --git a/testing/web-platform/tests/html/webappapis/scripting/event-loops/task_microtask_ordering-manual.html b/testing/web-platform/tests/html/webappapis/scripting/event-loops/task_microtask_ordering-manual.html
new file mode 100644
index 000000000..ed2f70e19
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/event-loops/task_microtask_ordering-manual.html
@@ -0,0 +1,64 @@
+<!DOCTYPE html>
+<title>Task and Microtask Ordering </title>
+<link rel=author title="Joshua Bell" href="mailto:jsbell@google.com">
+<link rel=help href="https://html.spec.whatwg.org/multipage/#event-loops">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/common.js"></script>
+<style>
+.inner { padding: 46px; width: 0; margin: 0 auto; background: #d4d4d4; }
+.outer { padding: 25px; width: 92px; background: #f1f1f1; }
+</style>
+
+<p>Click on the inner box:</p>
+<div class="outer">
+  <div class="inner"></div>
+</div>
+
+<script>
+
+// Based on: https://jakearchibald.com/2015/tasks-microtasks-queues-and-schedules/
+
+log_test(function(t, log) {
+    // Let's get hold of those elements
+    var outer = document.querySelector('.outer');
+    var inner = document.querySelector('.inner');
+
+    // Let's listen for attribute changes on the
+    // outer element
+    new MutationObserver(function() {
+        log('mutate');
+    }).observe(outer, {
+        attributes: true
+    });
+
+    // Here's a click listener...
+    function onClick() {
+        log('click');
+
+        setTimeout(function() {
+            log('timeout');
+        }, 0);
+
+        Promise.resolve().then(function() {
+            log('promise');
+        });
+
+        outer.setAttribute('data-random', Math.random());
+    }
+
+    // ...which we'll attach to both elements
+    inner.addEventListener('click', onClick);
+    outer.addEventListener('click', onClick);
+}, [
+    'click',
+    'promise',
+    'mutate',
+    'click',
+    'promise',
+    'mutate',
+    'timeout',
+    'timeout'
+], 'Level 1 bossfight (manual click)');
+
+</script>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/event-loops/task_microtask_ordering.html b/testing/web-platform/tests/html/webappapis/scripting/event-loops/task_microtask_ordering.html
new file mode 100644
index 000000000..c14a043b6
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/event-loops/task_microtask_ordering.html
@@ -0,0 +1,85 @@
+<!DOCTYPE html>
+<title>Task and Microtask Ordering </title>
+<link rel=author title="Joshua Bell" href="mailto:jsbell@google.com">
+<link rel=help href="https://html.spec.whatwg.org/multipage/#event-loops">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/common.js"></script>
+
+<div class="outer">
+  <div class="inner"></div>
+</div>
+
+<script>
+
+// Based on: https://jakearchibald.com/2015/tasks-microtasks-queues-and-schedules/
+
+log_test(function(t, log) {
+    log('script start');
+
+    setTimeout(function() {
+        log('setTimeout');
+    }, 0);
+
+    Promise.resolve().then(function() {
+        log('promise1');
+    }).then(function() {
+        log('promise2');
+    });
+
+    log('script end');
+}, [
+    'script start',
+    'script end',
+    'promise1',
+    'promise2',
+    'setTimeout'
+], 'Basic task and microtask ordering');
+
+log_test(function(t, log) {
+    // Let's get hold of those elements
+    var outer = document.querySelector('.outer');
+    var inner = document.querySelector('.inner');
+
+    // Let's listen for attribute changes on the
+    // outer element
+    new MutationObserver(function() {
+        log('mutate');
+    }).observe(outer, {
+        attributes: true
+    });
+
+    // Here's a click listener...
+    function onClick() {
+        log('click');
+
+        setTimeout(function() {
+            log('timeout');
+        }, 0);
+
+        Promise.resolve().then(function() {
+            log('promise');
+        });
+
+        outer.setAttribute('data-random', Math.random());
+    }
+
+    // ...which we'll attach to both elements
+    inner.addEventListener('click', onClick);
+    outer.addEventListener('click', onClick);
+
+    // Note that this will behave differently than a real click,
+    // since the dispatch is synchronous and microtasks will not
+    // run between event bubbling steps.
+    inner.click();
+}, [
+    'click',
+    'click',
+    'promise',
+    'mutate',
+    'promise',
+    'timeout',
+    'timeout'
+], 'Level 1 bossfight (synthetic click)');
+
+</script>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/.gitkeep b/testing/web-platform/tests/html/webappapis/scripting/events/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/body-onload.html b/testing/web-platform/tests/html/webappapis/scripting/events/body-onload.html
new file mode 100644
index 000000000..1e43d1ccd
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/events/body-onload.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<title>HTMLBodyElement.onload</title>
+<link rel="author" title="Boris Zbarsky" href="mailto:bzbarsky@mit.edu">
+<link rel="author" title="Ms2ger" href="mailto:ms2ger@gmail.com">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#handler-window-onload">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<script>
+var t = async_test("body.onload should set the window.onload handler")
+window.onload = t.step_func(function() {
+  assert_unreached("This handler should be overwritten.")
+})
+var b = document.createElement("body")
+b.onload = t.step_func(function(e) {
+  assert_equals(e.currentTarget, window,
+                "The event should be fired at the window.")
+  t.done()
+})
+</script>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/contains.json b/testing/web-platform/tests/html/webappapis/scripting/events/contains.json
new file mode 100644
index 000000000..65f3062d2
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/events/contains.json
@@ -0,0 +1,18 @@
+[
+    {
+        "id": "event-handler-attributes",
+        "original_id": "event-handler-attributes"
+    },
+    {
+        "id": "event-handlers-on-elements-document-objects-and-window-objects",
+        "original_id": "event-handlers-on-elements,-document-objects,-and-window-objects"
+    },
+    {
+        "id": "event-firing",
+        "original_id": "event-firing"
+    },
+    {
+        "id": "events-and-the-window-object",
+        "original_id": "events-and-the-window-object"
+    }
+]
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-attributes-body-window.html b/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-attributes-body-window.html
new file mode 100644
index 000000000..1c87892cb
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-attributes-body-window.html
@@ -0,0 +1,34 @@
+<!DOCTYPE html>
+<title>HTMLBodyElement event handlers</title>
+
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<body>
+<script>
+function f() {
+  return 0;
+}
+
+var handlers = ['blur','error','focus','load','resize','scroll',
+                'afterprint','beforeprint','beforeunload','hashchange',
+                'languagechange','message','offline','online','pagehide',
+                'pageshow','popstate','storage','unload'];
+handlers.forEach(function(handler) {
+  test(function() {
+    document.body['on' + handler] = f;
+    assert_equals(window['on' + handler], f);
+  }, handler);
+});
+
+handlers.forEach(function(handler) {
+    document.body['on' + handler] = null;
+});
+
+handlers.forEach(function(handler) {
+  test(function() {
+    assert_equals(document.body['on' + handler], null);
+    assert_equals(window['on' + handler], null);
+  }, handler + " removal");
+});
+</script>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-javascript.html b/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-javascript.html
new file mode 100644
index 000000000..657a37839
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-javascript.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<title>Event handler with labels</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<body onload="javascript:
+  for (var i = 0; i < 2; ++i) {
+    for (var j = 0; j < 2; ++j) {
+      t.step(function() {
+        assert_equals(i, 0);
+        assert_equals(j, 0);
+      });
+      break javascript;
+    }
+  }
+  t.done();
+">
+<div id="log"></div>
+<script>
+var t = async_test("Event handlers starting with 'javascript:' should treat that as a label.");
+</script>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-onresize.html b/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-onresize.html
new file mode 100644
index 000000000..8686716e1
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-onresize.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<title>HTMLBodyElement.onresize</title>
+<link rel="author" title="His-Name-Is-Joof" href="mailto:jeffrharrison@gmail.com">
+<link rel="help" href="https://html.spec.whatwg.org/multipage/#handler-window-onresize">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<script>
+var t = async_test("body.onresize should set the window.onload handler")
+window.onresize = t.step_func(function() {
+  assert_unreached("This handler should be overwritten.")
+})
+
+var body = document.createElement("body")
+body.onresize = t.step_func(function(e) {
+  assert_equals(e.currentTarget, window,
+                "The event should be fired at the window.")
+  t.done()
+})
+window.dispatchEvent(new Event('resize'));
+
+t = async_test("document.onresize should set the document.onresize handler");
+document.onresize = t.step_func(function(e) {
+    assert_equals(e.currentTarget, document,
+            "The event should be fired at the document")
+    t.done()
+})
+document.dispatchEvent(new Event('resize'));
+
+t = async_test("meta.onresize should set the meta.onresize handler");
+var meta = document.createElement("meta")
+meta.onresize = t.step_func(function(e) {
+    assert_equals(e.currentTarget, meta,
+            "The event should be fired at the <meta> object")
+    t.done()
+})
+meta.dispatchEvent(new Event('resize'));
+</script>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-processing-algorithm.html b/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-processing-algorithm.html
new file mode 100644
index 000000000..f3848b5ad
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-processing-algorithm.html
@@ -0,0 +1,63 @@
+<!DOCTYPE html>
+<title>Event handlers processing algorithm</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+ <body>
+ <div id="foo" style="width: 100px; height: 100px; background-color: black"></div>
+ <script>
+ async_test(function(t) {
+     var ev = new Event('mouseover', {cancelable: true});
+     document.getElementById("foo").onmouseover = t.step_func(function() { return true });
+     document.getElementById("foo").dispatchEvent(ev);
+     assert_equals(ev.defaultPrevented, true)
+     t.done();
+ }, "mouseover listener returning true cancels event");
+
+ async_test(function(t) {
+     var ev = new Event('mouseover', {cancelable: true});
+     document.getElementById("foo").onmouseover = t.step_func(function() { return false; });
+     document.getElementById("foo").dispatchEvent(ev);
+     assert_equals(ev.defaultPrevented, false);
+     t.done();
+ }, "mouseover listener returning false doesn't cancel event");
+
+ async_test(function(t) {
+     var ev = new Event('beforeunload', {cancelable: true});
+     window.onbeforeunload = t.step_func(function() {return null});
+     window.dispatchEvent(ev);
+     assert_equals(ev.defaultPrevented, true);
+     t.done();
+ }, "beforeunload listener returning null cancels event");
+
+ async_test(function(t) {
+     var ev = new Event('beforeunload', {cancelable: true});
+     window.onbeforeunload = t.step_func(function() {return true});
+     window.dispatchEvent(ev);
+     assert_equals(ev.defaultPrevented, false);
+     t.done();
+ }, "beforeunload listener returning non-null doesn't cancel event");
+
+ async_test(function(t) {
+     var ev = new Event("click", {cancelable: true});
+     document.getElementById("foo").onclick = t.step_func(function() { return false; });
+     document.getElementById("foo").dispatchEvent(ev);
+     assert_equals(ev.defaultPrevented, true);
+     t.done();
+ }, "click listener returning false cancels event");
+
+ async_test(function(t) {
+     var ev = new Event("blur", {cancelable: true});
+     document.getElementById("foo").onblur = t.step_func(function() { return false; });
+     document.getElementById("foo").dispatchEvent(ev);
+     assert_equals(ev.defaultPrevented, true);
+     t.done();
+ }, "blur listener returning false cancels event");
+
+ async_test(function(t) {
+     var ev = new Event("dblclick", {cancelable: true});
+     document.getElementById("foo").ondblclick = t.step_func(function() { return false; });
+     document.getElementById("foo").dispatchEvent(ev);
+     assert_equals(ev.defaultPrevented, true);
+     t.done();
+ }, "dblclick listener returning false cancels event");
+</script>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-spec-example.html b/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-spec-example.html
new file mode 100644
index 000000000..c06806e3c
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/events/event-handler-spec-example.html
@@ -0,0 +1,65 @@
+<!DOCTYPE html>
+<title>Event handler invocation order</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id="log"></div>
+<script>
+var objects = [{}, function() {}, new Number(42), new String()];
+var primitives = [42, null, undefined, ""];
+objects.forEach(function(object) {
+  var t = async_test("Event handler listeners should be registered when they " +
+                     "are first set to an object value (" +
+                     format_value(object) + ").");
+  t.step(function() {
+    var i = 0;
+    var uncalled = "t.step(function() { assert_unreached('First event handler.') })"
+    var button = document.createElement('button');
+    button.onclick = object; // event handler listener is registered here
+    button.addEventListener('click', t.step_func(function () { assert_equals(++i, 2) }), false);
+    button.setAttribute('onclick', uncalled);
+    button.addEventListener('click', t.step_func(function () { assert_equals(++i, 3) }), false);
+    button.onclick = t.step_func(function () { assert_equals(++i, 1); });
+    button.addEventListener('click', t.step_func(function () { assert_equals(++i, 4) }), false);
+    button.click()
+    assert_equals(button.getAttribute("onclick"), uncalled)
+    assert_equals(i, 4);
+    t.done()
+  });
+});
+primitives.forEach(function(primitive) {
+  var t = async_test("Event handler listeners should be registered when they " +
+                     "are first set to an object value (" +
+                     format_value(primitive) + ").");
+  t.step(function() {
+    var i = 0;
+    var uncalled = "t.step(function() { assert_unreached('First event handler.') })"
+    var button = document.createElement('button');
+    button.onclick = primitive;
+    button.addEventListener('click', t.step_func(function () { assert_equals(++i, 1) }), false);
+    button.setAttribute('onclick', uncalled); // event handler listener is registered here
+    button.addEventListener('click', t.step_func(function () { assert_equals(++i, 3) }), false);
+    button.onclick = t.step_func(function () { assert_equals(++i, 2); });
+    button.addEventListener('click', t.step_func(function () { assert_equals(++i, 4) }), false);
+    button.click()
+    assert_equals(button.getAttribute("onclick"), uncalled)
+    assert_equals(i, 4);
+    t.done()
+  });
+});
+var t = async_test("Event handler listeners should be registered when they " +
+                   "are first set to an object value.");
+t.step(function() {
+  var i = 0;
+  var uncalled = "t.step(function() { assert_unreached('First event handler.') })"
+  var button = document.createElement('button');
+  button.addEventListener('click', t.step_func(function () { assert_equals(++i, 1) }), false);
+  button.setAttribute('onclick', uncalled); // event handler listener is registered here
+  button.addEventListener('click', t.step_func(function () { assert_equals(++i, 3) }), false);
+  button.onclick = t.step_func(function () { assert_equals(++i, 2); });
+  button.addEventListener('click', t.step_func(function () { assert_equals(++i, 4) }), false);
+  button.click()
+  assert_equals(button.getAttribute("onclick"), uncalled)
+  assert_equals(i, 4);
+  t.done()
+});
+</script>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/inline-event-handler-ordering.html b/testing/web-platform/tests/html/webappapis/scripting/events/inline-event-handler-ordering.html
new file mode 100644
index 000000000..90e29bfd1
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/events/inline-event-handler-ordering.html
@@ -0,0 +1,52 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>Inline event handlers retain their ordering even when invalid</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<body>
+<script>
+var events = [];
+
+test(function() {
+  events = [];
+  var e = document.createElement("div");
+  document.body.appendChild(e);
+  e.addEventListener("click", function() { events.push("ONE") });
+  e.setAttribute("onclick", "window.open(");
+  e.addEventListener("click", function() { events.push("THREE") });
+  // Try to compile the event handler.
+  e.onclick;
+  e.setAttribute("onclick", "events.push('TWO')");
+  e.dispatchEvent(new Event("click"));
+  var expected_events = ["ONE", "TWO", "THREE"];
+  assert_array_equals(events, expected_events);
+}, "Inline event handlers retain their ordering when invalid and force-compiled");
+
+test(function() {
+  events = [];
+  var e = document.createElement("div");
+  document.body.appendChild(e);
+  e.addEventListener("click", function() { events.push("ONE") });
+  e.setAttribute("onclick", "window.open(");
+  e.addEventListener("click", function() { events.push("THREE") });
+  e.dispatchEvent(new Event("click"));
+  e.setAttribute("onclick", "events.push('TWO')");
+  e.dispatchEvent(new Event("click"));
+  var expected_events = ["ONE", "THREE", "ONE", "TWO", "THREE"];
+  assert_array_equals(events, expected_events);
+}, "Inline event handlers retain their ordering when invalid and force-compiled via dispatch");
+
+test(function() {
+  events = [];
+  var e = document.createElement("div");
+  document.body.appendChild(e);
+  e.addEventListener("click", function() { events.push("ONE") });
+  e.setAttribute("onclick", "window.open(");
+  e.addEventListener("click", function() { events.push("THREE") });
+  e.setAttribute("onclick", "events.push('TWO')");
+  e.dispatchEvent(new Event("click"));
+  var expected_events = ["ONE", "TWO", "THREE"];
+  assert_array_equals(events, expected_events);
+}, "Inline event handlers retain their ordering when invalid and lazy-compiled");
+</script>
+</body>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/invalid-uncompiled-raw-handler-compiled-late.html b/testing/web-platform/tests/html/webappapis/scripting/events/invalid-uncompiled-raw-handler-compiled-late.html
new file mode 100644
index 000000000..a0e7bbcdd
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/events/invalid-uncompiled-raw-handler-compiled-late.html
@@ -0,0 +1,25 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>Invalid uncompiled raw handlers should only be compiled when about to call them.</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<body>
+<script>
+setup({ allow_uncaught_exception: true });
+
+test(function() {
+  var events = [];
+  window.onerror = function() {
+    events.push("Error");
+  };
+
+  var div = document.createElement("div");
+  div.addEventListener("click", function (e) { events.push("click 1") });
+  div.setAttribute("onclick", "}");
+  div.addEventListener("click", function (e) { events.push("click 2") });
+  div.dispatchEvent(new Event("click"));
+  assert_equals(div.onclick, null);
+  assert_array_equals(events, ["click 1", "error", "click 2"]);
+});
+</script>
+</body>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/invalid-uncompiled-raw-handler-compiled-once.html b/testing/web-platform/tests/html/webappapis/scripting/events/invalid-uncompiled-raw-handler-compiled-once.html
new file mode 100644
index 000000000..a67f66ead
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/events/invalid-uncompiled-raw-handler-compiled-once.html
@@ -0,0 +1,23 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>Invalid uncompiled raw handlers should only be compiled once.</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<body>
+<script>
+setup({ allow_uncaught_exception: true });
+
+var errors = 0;
+window.onerror = function() {
+  errors++;
+};
+
+test(function() {
+  var e = document.body;
+  e.setAttribute("onclick", "window.open(");
+  assert_equals(e.onclick, null);
+  assert_equals(e.onclick, null);
+  assert_equals(errors, 1);
+});
+</script>
+</body>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/onerroreventhandler-frame.html b/testing/web-platform/tests/html/webappapis/scripting/events/onerroreventhandler-frame.html
new file mode 100644
index 000000000..79e4af302
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/events/onerroreventhandler-frame.html
@@ -0,0 +1,56 @@
+<body></body>
+<script>
+function check1(args, callee) {
+  parent.t.step(function() {
+    parent.assert_equals(callee.length, 5);
+    parent.assert_equals(args.length, 5);
+    parent.assert_equals(args[0], reference_error.message);
+    parent.assert_equals(args[1], reference_error.filename);
+    parent.assert_equals(args[2], reference_error.lineno);
+    parent.assert_equals(args[3], reference_error.colno);
+    parent.assert_equals(args[4], reference_error.error);
+    parent.t.done();
+  });
+}
+
+var reference_error = new ErrorEvent("error", {
+  filename: "error_file.js",
+  lineno: 333,
+  colno: 999,
+  message: "there was an error",
+  error: {nondefault: 'some unusual object'},
+});
+
+parent.t.step(function() {
+  document.body.outerHTML = "<body onerror='check1(arguments, arguments.callee)'></body>"
+  window.dispatchEvent(reference_error);
+});
+
+function check2(args, callee) {
+  parent.t2.step(function() {
+    parent.assert_equals(callee.length, 5);
+    parent.assert_equals(args.length, 1);
+    parent.assert_false(args[0] instanceof ErrorEvent);
+    parent.t2.done()
+  });
+}
+
+parent.t2.step(function() {
+  document.body.outerHTML = "<body onerror='check2(arguments, arguments.callee)'></body>"
+  window.dispatchEvent(new Event("error"));
+});
+
+function check3(args, callee) {
+  parent.t3.step(function() {
+    parent.assert_equals(args.length, 1);
+    parent.assert_equals(callee.length, 1);
+  });
+}
+
+parent.t3.step(function() {
+  document.body.outerHTML = "<body><span onerror='check3(arguments, arguments.callee)'></span></body>"
+  document.body.firstChild.dispatchEvent(reference_error);
+  document.body.firstChild.dispatchEvent(new Event("error"));
+  parent.t3.done();
+});
+</script>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/events/onerroreventhandler.html b/testing/web-platform/tests/html/webappapis/scripting/events/onerroreventhandler.html
new file mode 100644
index 000000000..60fc674d5
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/events/onerroreventhandler.html
@@ -0,0 +1,11 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>OnErrorEventHandler + ErrorEvent is treated differently</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<script>
+var t = async_test("onerror + ErrorEvent + Window");
+var t2 = async_test("onerror + !ErrorEvent + Window");
+var t3 = async_test("onerror + Document");
+</script>
+<iframe src="onerroreventhandler-frame.html"></iframe>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/introduction-5/.gitkeep b/testing/web-platform/tests/html/webappapis/scripting/introduction-5/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/testing/web-platform/tests/html/webappapis/scripting/javascript-protocol/.gitkeep b/testing/web-platform/tests/html/webappapis/scripting/javascript-protocol/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/.gitkeep b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/addEventListener.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/addEventListener.html
new file mode 100644
index 000000000..dbb1cdd5a
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/addEventListener.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - addEventListener</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var ran = false;
+    window.addEventListener('error', t.step_func(function(e){
+        ran = true;
+        assert_true(e.isTrusted, 'isTrusted');
+    }), false);
+  </script>
+  <script>
+    undefined_variable;
+  </script>
+  <script>
+    for (;) {}
+  </script>
+  <script>
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+  </script>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/body-onerror-compile-error-data-url.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/body-onerror-compile-error-data-url.html
new file mode 100644
index 000000000..66e1dfed4
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/body-onerror-compile-error-data-url.html
@@ -0,0 +1,37 @@
+<!doctype html>
+<html>
+ <head>
+  <title>&lt;body onerror> - compile error in &lt;script src=data:...></title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+  </script>
+ <body onerror="
+    t.step(function(){
+        ran = true;
+        assert_equals(typeof event, 'string', 'first arg');
+        assert_equals(source, 'data:text/javascript,for(;){}', 'second arg');
+        assert_equals(typeof lineno, 'number', 'third arg');
+    });
+    t_col.step(function() {
+        assert_equals(typeof colno, 'number', 'fourth arg');
+    });
+    ">
+  <div id=log></div>
+  <script src="data:text/javascript,for(;){}"></script>
+  <script>
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(function(){
+        t_col.done();
+    });
+  </script>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/body-onerror-compile-error.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/body-onerror-compile-error.html
new file mode 100644
index 000000000..0f65f7399
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/body-onerror-compile-error.html
@@ -0,0 +1,39 @@
+<!doctype html>
+<html>
+ <head>
+  <title>&lt;body onerror> - compile error in &lt;script></title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+  </script>
+ <body onerror="
+    t.step(function(){
+        ran = true;
+        assert_equals(typeof event, 'string', 'first arg');
+        assert_equals(source, location.href, 'second arg');
+        assert_equals(typeof lineno, 'number', 'third arg');
+    });
+    t_col.step(function() {
+        assert_equals(typeof colno, 'number', 'fourth arg');
+    });
+    ">
+  <div id=log></div>
+  <script>
+    for(;) {}
+  </script>
+  <script>
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(function(){
+        t_col.done();
+    });
+  </script>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/body-onerror-runtime-error.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/body-onerror-runtime-error.html
new file mode 100644
index 000000000..faaddd9ed
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/body-onerror-runtime-error.html
@@ -0,0 +1,39 @@
+<!doctype html>
+<html>
+ <head>
+  <title>&lt;body onerror> - runtime error in &lt;script></title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+  </script>
+ <body onerror="
+    t.step(function(){
+        ran = true;
+        assert_equals(typeof event, 'string', 'first arg');
+        assert_equals(source, location.href, 'second arg');
+        assert_equals(typeof lineno, 'number', 'third arg');
+    });
+    t_col.step(function(){
+        assert_equals(typeof colno, 'number', 'fourth arg');
+    });
+    ">
+  <div id=log></div>
+  <script>
+    undefined_variable;
+  </script>
+  <script>
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(function(){
+        t_col.done();
+    });
+  </script>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-cross-origin-setInterval.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-cross-origin-setInterval.html
new file mode 100644
index 000000000..14e9a8bc2
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-cross-origin-setInterval.html
@@ -0,0 +1,34 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - compile error in cross-origin setInterval</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    var interval;
+    window.onerror = t.step_func(function(a, b, c, d){
+        clearInterval(interval);
+        ran = true;
+        col_value = d;
+        assert_equals(a, 'Script error.', 'first arg');
+        assert_equals(b, '', 'second arg');
+        assert_equals(c, 0, 'third arg');
+    });
+    function col_check() {
+        assert_equals(col_value, 0, 'fourth arg');
+        t_col.done();
+    }
+    var script = document.createElement('script');
+    script.src = location.href.replace('://', '://www1.').replace(/\/[^\/]+$/, '/support/syntax-error-in-setInterval.js');
+    document.body.appendChild(script);
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-cross-origin-setTimeout.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-cross-origin-setTimeout.html
new file mode 100644
index 000000000..ba3be9d0a
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-cross-origin-setTimeout.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - compile error in cross-origin setTimeout</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(a, 'Script error.', 'first arg');
+        assert_equals(b, '', 'second arg');
+        assert_equals(c, 0, 'third arg');
+    });
+    function col_check() {
+        assert_equals(col_value, 0, 'fourth arg');
+        t_col.done();
+    }
+    var script = document.createElement('script');
+    script.src = location.href.replace('://', '://www1.').replace(/\/[^\/]+$/, '/support/syntax-error-in-setTimeout.js');
+    document.body.appendChild(script);
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-cross-origin.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-cross-origin.html
new file mode 100644
index 000000000..b7e989529
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-cross-origin.html
@@ -0,0 +1,38 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - compile error in &lt;script src=//www1...></title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(a, 'Script error.', 'first arg');
+        assert_equals(b, '', 'second arg');
+        assert_equals(c, 0, 'third arg');
+    });
+    var script = document.createElement('script');
+    script.src = location.href.replace('://', '://www1.').replace(/\/[^\/]+$/, '/support/syntax-error.js');
+    document.body.appendChild(script);
+    onload = function(){
+        t.step(function(){
+            assert_true(ran, 'ran');
+            t.done();
+        });
+        t_col.step(function(){
+            assert_equals(col_value, 0, 'fourth arg');
+            t_col.done();
+        });
+    };
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-data-url.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-data-url.html
new file mode 100644
index 000000000..08ce2f348
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-data-url.html
@@ -0,0 +1,36 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - compile error in &lt;script src=data:...></title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(typeof a, 'string', 'first arg');
+        assert_equals(b, 'data:text/javascript,for(;){}', 'second arg');
+        assert_equals(typeof c, 'number', 'third arg');
+    });
+  </script>
+  <script src="data:text/javascript,for(;){}"></script>
+  <script>
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(function(){
+        assert_equals(typeof col_value, 'number', 'fourth arg');
+        t_col.done();
+    });
+  </script>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-attribute.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-attribute.html
new file mode 100644
index 000000000..864d09fc1
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-attribute.html
@@ -0,0 +1,39 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - compile error in attribute</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(typeof a, 'string', 'first arg');
+        assert_equals(b, location.href, 'second arg');
+        assert_equals(typeof c, 'number', 'third arg');
+    });
+  </script>
+  <p onclick="{"></p>
+  <script>
+    t.step(function(){
+        var ev = document.createEvent('Event');
+        ev.initEvent('click', false, false);
+        document.querySelector('p').dispatchEvent(ev);
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(function(){
+        assert_equals(typeof col_value, 'number', 'fourth arg');
+        t_col.done();
+    });
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-body-onerror.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-body-onerror.html
new file mode 100644
index 000000000..0b094e71c
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-body-onerror.html
@@ -0,0 +1,28 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - compile error in &lt;body onerror></title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var ran = false;
+    window.onerror = t.step_func(function(){
+        ran = true;
+    });
+  </script>
+ </head>
+ <body onerror="{"><!-- sets the event handler to null before compiling -->
+  <div id=log></div>
+  <script>
+   for(;) {}
+  </script>
+  <script>
+    t.step(function(){
+        assert_false(ran, 'ran');
+        t.done();
+    });
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-setInterval.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-setInterval.html
new file mode 100644
index 000000000..39a01335c
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-setInterval.html
@@ -0,0 +1,39 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - compile error in setInterval</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    var interval;
+    window.onerror = t.step_func(function(a, b, c, d){
+        clearInterval(interval);
+        ran = true;
+        col_value = d;
+        assert_equals(typeof a, 'string', 'first arg');
+        assert_equals(b, location.href, 'second arg');
+        assert_equals(typeof c, 'number', 'third arg');
+    });
+    interval = setInterval("{", 10);
+    setTimeout(function(){
+        t.step(function(){
+            clearInterval(interval);
+            assert_true(ran, 'ran');
+            t.done();
+        });
+        t_col.step(function(){
+            assert_equals(typeof col_value, 'number', 'fourth arg');
+            t_col.done();
+        });
+    }, 20);
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-setTimeout.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-setTimeout.html
new file mode 100644
index 000000000..879660313
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-in-setTimeout.html
@@ -0,0 +1,36 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - compile error in setTimeout</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(typeof a, 'string', 'first arg');
+        assert_equals(b, location.href, 'second arg');
+        assert_equals(typeof c, 'number', 'third arg');
+    });
+    setTimeout("{", 10);
+    setTimeout(function(){
+        t.step(function(){
+            assert_true(ran, 'ran');
+            t.done();
+        });
+        t_col.step(function(){
+            assert_equals(typeof col_value, 'number', 'fourth arg');
+            t_col.done();
+        });
+    }, 20);
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-same-origin.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-same-origin.html
new file mode 100644
index 000000000..71c28b584
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error-same-origin.html
@@ -0,0 +1,36 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - compile error in &lt;script src=...></title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(typeof a, 'string', 'first arg');
+        assert_equals(b, document.querySelector('script[src="support/syntax-error.js"]').src, 'second arg');
+        assert_equals(typeof c, 'number', 'third arg');
+    });
+  </script>
+  <script src="support/syntax-error.js"></script>
+  <script>
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(function(){
+        assert_equals(typeof col_value, 'number', 'fourth arg');
+        t_col.done();
+    });
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error.html
new file mode 100644
index 000000000..a4bdfd9c4
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/compile-error.html
@@ -0,0 +1,38 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - compile error in &lt;script></title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(typeof a, 'string', 'first arg');
+        assert_equals(b, location.href, 'second arg');
+        assert_equals(typeof c, 'number', 'third arg');
+    });
+  </script>
+  <script>
+    for(;) {}
+  </script>
+  <script>
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(function(){
+        assert_equals(typeof col_value, 'number', 'fourth arg');
+        t_col.done();
+    });
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/contains.json b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/contains.json
new file mode 100644
index 000000000..b49029277
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/contains.json
@@ -0,0 +1,28 @@
+[
+    {
+        "id": "definitions-0",
+        "original_id": "definitions-0"
+    },
+    {
+        "id": "calling-scripts",
+        "original_id": "calling-scripts"
+    },
+    {
+        "id": "creating-scripts",
+        "original_id": "creating-scripts"
+    },
+    {
+        "id": "killing-scripts",
+        "original_id": "killing-scripts"
+    },
+    {
+        "id": "runtime-script-errors",
+        "original_id": "runtime-script-errors",
+        "children": [
+            {
+                "id": "runtime-script-errors-in-documents",
+                "original_id": "runtime-script-errors-in-documents"
+            }
+        ]
+    }
+]
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-cross-origin-setInterval.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-cross-origin-setInterval.html
new file mode 100644
index 000000000..dd97566d7
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-cross-origin-setInterval.html
@@ -0,0 +1,34 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - runtime error in cross-origin setInterval</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    var interval;
+    window.onerror = t.step_func(function(a, b, c, d){
+        clearInterval(interval);
+        ran = true;
+        col_value = d;
+        assert_equals(a, 'Script error.', 'first arg');
+        assert_equals(b, '', 'second arg');
+        assert_equals(c, 0, 'third arg');
+    });
+    function col_check() {
+        assert_equals(col_value, 0, 'fourth arg');
+        t_col.done();
+    }
+    var script = document.createElement('script');
+    script.src = location.href.replace('://', '://www1.').replace(/\/[^\/]+$/, '/support/undefined-variable-in-setInterval.js');
+    document.body.appendChild(script);
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-cross-origin-setTimeout.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-cross-origin-setTimeout.html
new file mode 100644
index 000000000..20ee21c61
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-cross-origin-setTimeout.html
@@ -0,0 +1,32 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - runtime error in cross-origin setTimeout</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(a, 'Script error.', 'first arg');
+        assert_equals(b, '', 'second arg');
+        assert_equals(c, 0, 'third arg');
+    });
+    function col_check() {
+        assert_equals(col_value, 0, 'fourth arg');
+        t_col.done();
+    }
+    var script = document.createElement('script');
+    script.src = location.href.replace('://', '://www1.').replace(/\/[^\/]+$/, '/support/undefined-variable-in-setTimeout.js');
+    document.body.appendChild(script);
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-cross-origin.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-cross-origin.html
new file mode 100644
index 000000000..d63aaa6d3
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-cross-origin.html
@@ -0,0 +1,38 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - runtime error in &lt;script src=//www1...></title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(a, 'Script error.', 'first arg');
+        assert_equals(b, '', 'second arg');
+        assert_equals(c, 0, 'third arg');
+    });
+    var script = document.createElement('script');
+    script.src = location.href.replace('://', '://www1.').replace(/\/[^\/]+$/, '/support/undefined-variable.js');
+    document.body.appendChild(script);
+    onload = function(){
+        t.step(function(){
+            assert_true(ran, 'ran');
+            t.done();
+        });
+        t_col.step(function(){
+            assert_equals(col_value, 0, 'fourth arg');
+            t_col.done();
+        });
+    };
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-data-url.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-data-url.html
new file mode 100644
index 000000000..485ce90aa
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-data-url.html
@@ -0,0 +1,36 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - runtime error in &lt;script src=data:...></title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(typeof a, 'string', 'first arg');
+        assert_equals(b, 'data:text/javascript,undefined_variable;', 'second arg');
+        assert_equals(typeof c, 'number', 'third arg');
+    });
+  </script>
+  <script src="data:text/javascript,undefined_variable;"></script>
+  <script>
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(function(){
+        assert_equals(typeof col_value, 'number', 'fourth arg');
+        t_col.done();
+    });
+  </script>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-attribute.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-attribute.html
new file mode 100644
index 000000000..b4f69da7a
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-attribute.html
@@ -0,0 +1,39 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - runtime error in attribute</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(typeof a, 'string', 'first arg');
+        assert_equals(b, location.href, 'second arg');
+        assert_equals(typeof c, 'number', 'third arg');
+    });
+  </script>
+  <p onclick="undefined_variable;"></p>
+  <script>
+    t.step(function(){
+        var ev = document.createEvent('Event');
+        ev.initEvent('click', false, false);
+        document.querySelector('p').dispatchEvent(ev);
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(function(){
+        assert_equals(typeof col_value, 'number', 'fourth arg');
+        t_col.done();
+    });
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-body-onerror.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-body-onerror.html
new file mode 100644
index 000000000..e0fd1dcbd
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-body-onerror.html
@@ -0,0 +1,25 @@
+<!doctype html>
+<html>
+ <head>
+  <title>runtime error in &lt;body onerror></title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var ran = 0;
+  </script>
+ </head>
+ <body onerror="ran++; undefined_variable_in_onerror;">
+  <div id=log></div>
+  <script>
+    undefined_variable;
+  </script>
+  <script>
+    t.step(function(){
+        assert_equals(ran, 1, 'ran');
+        t.done();
+    });
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-setInterval.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-setInterval.html
new file mode 100644
index 000000000..fcfb6c597
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-setInterval.html
@@ -0,0 +1,39 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - runtime error in setInterval</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    var interval;
+    window.onerror = t.step_func(function(a, b, c, d){
+        clearInterval(interval);
+        ran = true;
+        col_value = d;
+        assert_equals(typeof a, 'string', 'first arg');
+        assert_equals(b, location.href, 'second arg');
+        assert_equals(typeof c, 'number', 'third arg');
+    });
+    interval = setInterval("undefined_variable;", 10);
+    setTimeout(function(){
+        clearInterval(interval);
+        t.step(function(){
+            assert_true(ran, 'ran');
+            t.done();
+        });
+        t_col.step(function(){
+            assert_equals(typeof col_value, 'number', 'fourth arg');
+            t_col.done();
+        });
+    }, 20);
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-setTimeout.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-setTimeout.html
new file mode 100644
index 000000000..c0c69ad7c
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-setTimeout.html
@@ -0,0 +1,36 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - runtime error in setTimeout</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(typeof a, 'string', 'first arg');
+        assert_equals(b, location.href, 'second arg');
+        assert_equals(typeof c, 'number', 'third arg');
+    });
+    setTimeout("undefined_variable;", 10);
+    setTimeout(function(){
+        t.step(function(){
+            assert_true(ran, 'ran');
+            t.done();
+        });
+        t_col.step(function(){
+            assert_equals(typeof col_value, 'number', 'fourth arg');
+            t_col.done();
+        });
+    }, 20);
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-window-onerror.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-window-onerror.html
new file mode 100644
index 000000000..150a793b7
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-in-window-onerror.html
@@ -0,0 +1,29 @@
+<!doctype html>
+<html>
+ <head>
+  <title>runtime error in window.onerror</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+ <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var ran = 0;
+    window.onerror = function(){
+        ran++;
+        undefined_variable_in_onerror;
+    };
+  </script>
+  <script>
+    undefined_variable;
+  </script>
+  <script>
+    t.step(function(){
+        assert_equals(ran, 1, 'ran');
+        t.done();
+    });
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-same-origin.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-same-origin.html
new file mode 100644
index 000000000..8f3cfb70b
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error-same-origin.html
@@ -0,0 +1,36 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - runtime error in &lt;script src=...></title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(typeof a, 'string', 'first arg');
+        assert_equals(b, document.querySelector('script[src="support/undefined-variable.js"]').src, 'second arg');
+        assert_equals(typeof c, 'number', 'third arg');
+    });
+  </script>
+  <script src="support/undefined-variable.js"></script>
+  <script>
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(function(){
+        assert_equals(typeof col_value, 'number', 'fourth arg');
+        t_col.done();
+    });
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error.html
new file mode 100644
index 000000000..7907494aa
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/runtime-error.html
@@ -0,0 +1,38 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror - runtime error in &lt;script></title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+ </head>
+ <body>
+  <div id=log></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var t = async_test();
+    var t_col = async_test(document.title+' (column)');
+    var ran = false;
+    var col_value;
+    window.onerror = t.step_func(function(a, b, c, d){
+        ran = true;
+        col_value = d;
+        assert_equals(typeof a, 'string', 'first arg');
+        assert_equals(b, location.href, 'second arg');
+        assert_equals(typeof c, 'number', 'third arg');
+    });
+  </script>
+  <script>
+    undefined_variable;
+  </script>
+  <script>
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(function(){
+        assert_equals(typeof col_value, 'number', 'fourth arg');
+        t_col.done();
+    });
+  </script>
+ </body>
+</html>
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/syntax-error-in-setInterval.js b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/syntax-error-in-setInterval.js
new file mode 100644
index 000000000..812c0daea
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/syntax-error-in-setInterval.js
@@ -0,0 +1,9 @@
+interval = setInterval('{', 10);
+setTimeout(function(){
+    clearInterval(interval);
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(col_check);
+}, 20);
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/syntax-error-in-setTimeout.js b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/syntax-error-in-setTimeout.js
new file mode 100644
index 000000000..84eb4fc41
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/syntax-error-in-setTimeout.js
@@ -0,0 +1,8 @@
+setTimeout('{', 10);
+setTimeout(function(){
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(col_check);
+}, 20);
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/syntax-error.js b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/syntax-error.js
new file mode 100644
index 000000000..0f74a6fca
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/syntax-error.js
@@ -0,0 +1 @@
+for (;) {}
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/undefined-variable-in-setInterval.js b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/undefined-variable-in-setInterval.js
new file mode 100644
index 000000000..2950fdb51
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/undefined-variable-in-setInterval.js
@@ -0,0 +1,9 @@
+interval = setInterval('undefined_variable;', 10);
+setTimeout(function(){
+    clearInterval(interval);
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(col_check);
+}, 20);
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/undefined-variable-in-setTimeout.js b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/undefined-variable-in-setTimeout.js
new file mode 100644
index 000000000..6350ab62e
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/undefined-variable-in-setTimeout.js
@@ -0,0 +1,8 @@
+setTimeout('undefined_variable;', 10);
+setTimeout(function(){
+    t.step(function(){
+        assert_true(ran, 'ran');
+        t.done();
+    });
+    t_col.step(col_check);
+}, 20);
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/undefined-variable.js b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/undefined-variable.js
new file mode 100644
index 000000000..e73a62ced
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/support/undefined-variable.js
@@ -0,0 +1 @@
+undefined_variable;
\ No newline at end of file
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-parse-error.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-parse-error.html
new file mode 100644
index 000000000..3c21df49c
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-parse-error.html
@@ -0,0 +1,40 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror: parse errors</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <!--
+
+    In https://html.spec.whatwg.org/multipage/#creating-scripts ,
+    step 3 describes parsing the script, and step 5 says:
+      # Otherwise, report the error using the onerror event handler of
+      # the script's global object. If the error is still not handled
+      # after this, then the error may be reported to the user.
+    which links to
+    https://html.spec.whatwg.org/multipage/#report-the-error ,
+    which describes what to do when onerror is a Function.
+
+    -->
+ </head>
+ <body>
+
+  <div id="log"></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var error_count = 0;
+    window.onerror = function(msg, url, lineno) {
+      ++error_count;
+      test(function() {assert_equals(url, window.location.href)},
+           "correct url passed to window.onerror");
+      test(function() {assert_equals(lineno, 34)},
+           "correct line number passed to window.onerror");
+    };
+  </script>
+  <script>This script does not parse correctly.</script>
+  <script>
+  test(function() {assert_equals(error_count, 1)},
+       "correct number of calls to window.onerror");
+  </script>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-runtime-error-throw.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-runtime-error-throw.html
new file mode 100644
index 000000000..5d2ef0d29
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-runtime-error-throw.html
@@ -0,0 +1,39 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror: runtime scripterrors</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <!--
+
+    https://html.spec.whatwg.org/multipage/#runtime-script-errors
+    says what to do for uncaught runtime script errors, and just below
+    describes what to do when onerror is a Function.
+
+    -->
+ </head>
+ <body>
+
+  <div id="log"></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var error_count = 0;
+    window.onerror = function(msg, url, lineno) {
+      ++error_count;
+    };
+  </script>
+  <script>
+  try {
+    // This error is caught, so it should NOT trigger onerror.
+    throw "foo";
+  } catch (ex) {
+  }
+  // This error is NOT caught, so it should trigger onerror.
+  throw "bar";
+  </script>
+  <script>
+  test(function() {assert_equals(error_count, 1)},
+       "correct number of calls to window.onerror");
+  </script>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-runtime-error.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-runtime-error.html
new file mode 100644
index 000000000..1fdab521a
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-runtime-error.html
@@ -0,0 +1,43 @@
+<!doctype html>
+<html>
+ <head>
+  <title>window.onerror: runtime scripterrors</title>
+  <script src="/resources/testharness.js"></script>
+  <script src="/resources/testharnessreport.js"></script>
+  <!--
+
+    https://html.spec.whatwg.org/multipage/#runtime-script-errors
+    says what to do for uncaught runtime script errors, and just below
+    describes what to do when onerror is a Function.
+
+    -->
+ </head>
+ <body>
+
+  <div id="log"></div>
+  <script>
+    setup({allow_uncaught_exception:true});
+    var error_count = 0;
+    window.onerror = function(msg, url, lineno) {
+      ++error_count;
+      test(function() {assert_equals(url, window.location.href)},
+           "correct url passed to window.onerror");
+      test(function() {assert_equals(lineno, 36)},
+           "correct line number passed to window.onerror");
+    };
+  </script>
+  <script>
+  try {
+    // This error is caught, so it should NOT trigger onerror.
+    window.nonexistentproperty.oops();
+  } catch (ex) {
+  }
+  // This error is NOT caught, so it should trigger onerror.
+  window.nonexistentproperty.oops();
+  </script>
+  <script>
+  test(function() {assert_equals(error_count, 1)},
+       "correct number of calls to window.onerror");
+  </script>
+ </body>
+</html>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-1.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-1.html
new file mode 100644
index 000000000..65a1a02b1
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-1.html
@@ -0,0 +1,33 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>
+  When a listener from window A is added to an event target in window B via the
+  addEventListener function from window B, errors in that listener should be
+  reported to window A.
+</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<iframe></iframe>
+<iframe></iframe>
+<script>
+test(function() {
+  var f = new frames[0].Function("thereIsNoSuchCallable()");
+  frames[1].document.addEventListener("myevent", f);
+  var frame0ErrorFired = false;
+  var frame1ErrorFired = false;
+  var ourErrorFired = false;
+  frames[0].addEventListener("error", function() {
+    frame0ErrorFired = true;
+  });
+  frames[1].addEventListener("error", function() {
+    frame1ErrorFired = true;
+  });
+  addEventListener("error", function() {
+    ourErrorFired = true;
+  });
+  frames[1].document.dispatchEvent(new Event("myevent"));
+  assert_true(frame0ErrorFired);
+  assert_false(frame1ErrorFired);
+  assert_false(ourErrorFired);
+}, "The error event from an event listener should fire on that listener's global");
+</script>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-2.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-2.html
new file mode 100644
index 000000000..6c5476542
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-2.html
@@ -0,0 +1,33 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>
+  When a listener from window A is added to an event target in window B via the
+  addEventListener function from window A, errors in that listener should be
+  reported to window A.
+</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<iframe></iframe>
+<iframe></iframe>
+<script>
+test(function() {
+  var f = new frames[0].Function("thereIsNoSuchCallable()");
+  frames[0].document.addEventListener.call(frames[1].document, "myevent", f);
+  var frame0ErrorFired = false;
+  var frame1ErrorFired = false;
+  var ourErrorFired = false;
+  frames[0].addEventListener("error", function() {
+    frame0ErrorFired = true;
+  });
+  frames[1].addEventListener("error", function() {
+    frame1ErrorFired = true;
+  });
+  addEventListener("error", function() {
+    ourErrorFired = true;
+  });
+  frames[1].document.dispatchEvent(new Event("myevent"));
+  assert_true(frame0ErrorFired);
+  assert_false(frame1ErrorFired);
+  assert_false(ourErrorFired);
+}, "The error event from an event listener should fire on that listener's global");
+</script>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-3.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-3.html
new file mode 100644
index 000000000..5e78baa8d
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-3.html
@@ -0,0 +1,33 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>
+  When a listener from window A is added to an event target in window A via the
+  addEventListener function from window A, errors in that listener should be
+  reported to window A.
+</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<iframe></iframe>
+<iframe></iframe>
+<script>
+test(function() {
+  var f = new frames[1].Function("thereIsNoSuchCallable()");
+  frames[1].document.addEventListener("myevent", f);
+  var frame0ErrorFired = false;
+  var frame1ErrorFired = false;
+  var ourErrorFired = false;
+  frames[0].addEventListener("error", function() {
+    frame0ErrorFired = true;
+  });
+  frames[1].addEventListener("error", function() {
+    frame1ErrorFired = true;
+  });
+  addEventListener("error", function() {
+    ourErrorFired = true;
+  });
+  frames[1].document.dispatchEvent(new Event("myevent"));
+  assert_false(frame0ErrorFired);
+  assert_true(frame1ErrorFired);
+  assert_false(ourErrorFired);
+}, "The error event from an event listener should fire on that listener's global");
+</script>
diff --git a/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-4.html b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-4.html
new file mode 100644
index 000000000..a5f35d613
--- /dev/null
+++ b/testing/web-platform/tests/html/webappapis/scripting/processing-model-2/window-onerror-with-cross-frame-event-listeners-4.html
@@ -0,0 +1,33 @@
+<!doctype html>
+<meta charset=utf-8>
+<title>
+  When a listener from window A is added to an event target in window A via the
+  addEventListener function from window B, errors in that listener should be
+  reported to window A.
+</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<iframe></iframe>
+<iframe></iframe>
+<script>
+test(function() {
+  var f = new frames[1].Function("thereIsNoSuchCallable()");
+  frames[0].document.addEventListener.call(frames[1].document, "myevent", f);
+  var frame0ErrorFired = false;
+  var frame1ErrorFired = false;
+  var ourErrorFired = false;
+  frames[0].addEventListener("error", function() {
+    frame0ErrorFired = true;
+  });
+  frames[1].addEventListener("error", function() {
+    frame1ErrorFired = true;
+  });
+  addEventListener("error", function() {
+    ourErrorFired = true;
+  });
+  frames[1].document.dispatchEvent(new Event("myevent"));
+  assert_false(frame0ErrorFired);
+  assert_true(frame1ErrorFired);
+  assert_false(ourErrorFired);
+}, "The error event from an event listener should fire on that listener's global");
+</script>
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