1 files changed, 97 insertions, 0 deletions
diff --git a/third_party/rust/pkg-config/tests/test.rs b/third_party/rust/pkg-config/tests/test.rs
new file mode 100644
index 000000000..842516690
--- /dev/null
+++ b/third_party/rust/pkg-config/tests/test.rs
@@ -0,0 +1,97 @@
+#![feature(static_mutex)]
+
+extern crate pkg_config;
+
+use pkg_config::Error;
+use std::env;
+use std::sync::{StaticMutex, MUTEX_INIT};
+use std::path::PathBuf;
+
+static LOCK: StaticMutex = MUTEX_INIT;
+
+fn reset() {
+    for (k, _) in env::vars() {
+        if k.contains("DYNAMIC") ||
+           k.contains("STATIC") ||
+           k.contains("PKG_CONFIG_ALLOW_CROSS") ||
+           k.contains("FOO_NO_PKG_CONFIG") {
+            env::remove_var(&k);
+        }
+    }
+    env::remove_var("TARGET");
+    env::remove_var("HOST");
+    env::set_var("PKG_CONFIG_PATH", &env::current_dir().unwrap().join("tests"));
+}
+
+fn find(name: &str) -> Result<pkg_config::Library, Error> {
+    pkg_config::probe_library(name)
+}
+
+#[test]
+fn cross_disabled() {
+    let _g = LOCK.lock();
+    reset();
+    env::set_var("TARGET", "foo");
+    env::set_var("HOST", "bar");
+    match find("foo") {
+        Err(Error::CrossCompilation) => {},
+        x => panic!("Error::CrossCompilation expected, found `{:?}`", x),
+    }
+}
+
+#[test]
+fn cross_enabled() {
+    let _g = LOCK.lock();
+    reset();
+    env::set_var("TARGET", "foo");
+    env::set_var("HOST", "bar");
+    env::set_var("PKG_CONFIG_ALLOW_CROSS", "1");
+    find("foo").unwrap();
+}
+
+#[test]
+fn package_disabled() {
+    let _g = LOCK.lock();
+    reset();
+    env::set_var("FOO_NO_PKG_CONFIG", "1");
+    match find("foo") {
+        Err(Error::EnvNoPkgConfig(name)) => {
+            assert_eq!(name, "FOO_NO_PKG_CONFIG")
+        }
+        x => panic!("Error::EnvNoPkgConfig expected, found `{:?}`", x),
+    }
+}
+
+#[test]
+fn output_ok() {
+    let _g = LOCK.lock();
+    reset();
+    let lib = find("foo").unwrap();
+    assert!(lib.libs.contains(&"gcc".to_string()));
+    assert!(lib.libs.contains(&"coregrind-amd64-linux".to_string()));
+    assert!(lib.link_paths.contains(&PathBuf::from("/usr/lib/valgrind")));
+}
+
+#[test]
+fn framework() {
+    let _g = LOCK.lock();
+    reset();
+    let lib = find("framework").unwrap();
+    assert!(lib.frameworks.contains(&"foo".to_string()));
+    assert!(lib.framework_paths.contains(&PathBuf::from("/usr/lib")));
+}
+
+#[test]
+fn get_variable() {
+    let _g = LOCK.lock();
+    reset();
+    let prefix = pkg_config::get_variable("foo", "prefix").unwrap();
+    assert_eq!(prefix, "/usr");
+}
+
+#[test]
+fn version() {
+    let _g = LOCK.lock();
+    reset();
+    assert_eq!(&find("foo").unwrap().version[..], "3.10.0.SVN");
+}