1 files changed, 323 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 0000000000..4e04ac0712
--- /dev/null
+++ b/third_party/rust/pkg-config/tests/test.rs
@@ -0,0 +1,323 @@
+extern crate pkg_config;
+#[macro_use]
+extern crate lazy_static;
+
+use pkg_config::Error;
+use std::env;
+use std::path::PathBuf;
+use std::sync::Mutex;
+
+lazy_static! {
+    static ref LOCK: Mutex<()> = Mutex::new(());
+}
+
+fn reset() {
+    for (k, _) in env::vars() {
+        if k.contains("DYNAMIC")
+            || k.contains("STATIC")
+            || k.contains("PKG_CONFIG_ALLOW_CROSS")
+            || k.contains("PKG_CONFIG_SYSROOT_DIR")
+            || 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 cross_enabled_if_customized() {
+    let _g = LOCK.lock();
+    reset();
+    env::set_var("TARGET", "foo");
+    env::set_var("HOST", "bar");
+    env::set_var("PKG_CONFIG_SYSROOT_DIR", "/tmp/cross-test");
+    find("foo").unwrap();
+}
+
+#[test]
+fn cross_disabled_if_customized() {
+    let _g = LOCK.lock();
+    reset();
+    env::set_var("TARGET", "foo");
+    env::set_var("HOST", "bar");
+    env::set_var("PKG_CONFIG_ALLOW_CROSS", "0");
+    env::set_var("PKG_CONFIG_SYSROOT_DIR", "/tmp/cross-test");
+    match find("foo") {
+        Err(Error::CrossCompilation) => {}
+        _ => panic!("expected CrossCompilation failure"),
+    }
+}
+
+#[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")));
+    assert!(lib
+        .include_paths
+        .contains(&PathBuf::from("/usr/include/valgrind")));
+    assert!(lib.include_paths.contains(&PathBuf::from("/usr/foo")));
+}
+
+#[test]
+fn escapes() {
+    let _g = LOCK.lock();
+    reset();
+    let lib = find("escape").unwrap();
+    assert!(lib
+        .include_paths
+        .contains(&PathBuf::from("include path with spaces")));
+    assert!(lib
+        .link_paths
+        .contains(&PathBuf::from("link path with spaces")));
+    assert_eq!(
+        lib.defines.get("A"),
+        Some(&Some("\"escaped string' literal\"".to_owned()))
+    );
+    assert_eq!(
+        lib.defines.get("B"),
+        Some(&Some("ESCAPED IDENTIFIER".to_owned()))
+    );
+    assert_eq!(lib.defines.get("FOX"), Some(&Some("🦊".to_owned())));
+}
+
+#[test]
+fn framework() {
+    let _g = LOCK.lock();
+    reset();
+    let lib = find("framework").unwrap();
+    assert!(lib.frameworks.contains(&"foo".to_string()));
+    assert!(lib.frameworks.contains(&"bar".to_string()));
+    assert!(lib.frameworks.contains(&"baz".to_string()));
+    assert!(lib.frameworks.contains(&"foobar".to_string()));
+    assert!(lib.frameworks.contains(&"foobaz".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");
+}
+
+#[test]
+fn atleast_version_ok() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .atleast_version("3.10")
+        .probe("foo")
+        .unwrap();
+}
+
+#[test]
+#[should_panic]
+fn atleast_version_ng() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .atleast_version("3.11")
+        .probe("foo")
+        .unwrap();
+}
+
+#[test]
+fn exactly_version_ok() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .exactly_version("3.10.0.SVN")
+        .probe("foo")
+        .unwrap();
+}
+
+#[test]
+#[should_panic]
+fn exactly_version_ng() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .exactly_version("3.10.0")
+        .probe("foo")
+        .unwrap();
+}
+
+#[test]
+fn range_version_range_ok() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .range_version("4.2.0".."4.4.0")
+        .probe("escape")
+        .unwrap();
+}
+
+#[test]
+#[should_panic]
+fn range_version_range_ng() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .range_version("4.0.0".."4.2.0")
+        .probe("escape")
+        .unwrap();
+}
+
+#[test]
+fn range_version_range_inclusive_ok() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .range_version("4.0.0"..="4.2.0")
+        .probe("escape")
+        .unwrap();
+}
+
+#[test]
+#[should_panic]
+fn range_version_range_inclusive_ng() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .range_version("3.8.0"..="4.0.0")
+        .probe("escape")
+        .unwrap();
+}
+
+#[test]
+fn range_version_range_from_ok() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .range_version("4.0.0"..)
+        .probe("escape")
+        .unwrap();
+}
+
+#[test]
+#[should_panic]
+fn range_version_range_from_ng() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .range_version("4.4.0"..)
+        .probe("escape")
+        .unwrap();
+}
+
+#[test]
+fn range_version_range_to_ok() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .range_version(.."4.4.0")
+        .probe("escape")
+        .unwrap();
+}
+
+#[test]
+#[should_panic]
+fn range_version_range_to_ng() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .range_version(.."4.2.0")
+        .probe("escape")
+        .unwrap();
+}
+
+#[test]
+fn range_version_range_to_inclusive_ok() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .range_version(..="4.2.0")
+        .probe("escape")
+        .unwrap();
+}
+
+#[test]
+#[should_panic]
+fn range_version_range_to_inclusive_ng() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .range_version(..="4.0.0")
+        .probe("escape")
+        .unwrap();
+}
+
+#[test]
+fn range_version_full() {
+    let _g = LOCK.lock();
+    reset();
+    pkg_config::Config::new()
+        .range_version(..)
+        .probe("escape")
+        .unwrap();
+}
+
+#[test]
+fn rpath() {
+    let _g = LOCK.lock();
+    reset();
+    let lib = find("rpath").unwrap();
+    assert!(lib
+        .ld_args
+        .contains(&vec!["-rpath".to_string(), "/usr/local/lib".to_string(),]));
+}