1 files changed, 50 insertions, 0 deletions
diff --git a/src/tools/compiletest/src/runtest/tests.rs b/src/tools/compiletest/src/runtest/tests.rs
new file mode 100644
index 000000000..511051111
--- /dev/null
+++ b/src/tools/compiletest/src/runtest/tests.rs
@@ -0,0 +1,50 @@
+use super::*;
+
+#[test]
+fn normalize_platform_differences() {
+    assert_eq!(TestCx::normalize_platform_differences(r"$DIR\foo.rs"), "$DIR/foo.rs");
+    assert_eq!(
+        TestCx::normalize_platform_differences(r"$BUILD_DIR\..\parser.rs"),
+        "$BUILD_DIR/../parser.rs"
+    );
+    assert_eq!(
+        TestCx::normalize_platform_differences(r"$DIR\bar.rs hello\nworld"),
+        r"$DIR/bar.rs hello\nworld"
+    );
+    assert_eq!(
+        TestCx::normalize_platform_differences(r"either bar\baz.rs or bar\baz\mod.rs"),
+        r"either bar/baz.rs or bar/baz/mod.rs",
+    );
+    assert_eq!(TestCx::normalize_platform_differences(r"`.\some\path.rs`"), r"`./some/path.rs`",);
+    assert_eq!(TestCx::normalize_platform_differences(r"`some\path.rs`"), r"`some/path.rs`",);
+    assert_eq!(
+        TestCx::normalize_platform_differences(r"$DIR\path-with-dashes.rs"),
+        r"$DIR/path-with-dashes.rs"
+    );
+    assert_eq!(
+        TestCx::normalize_platform_differences(r"$DIR\path_with_underscores.rs"),
+        r"$DIR/path_with_underscores.rs",
+    );
+    assert_eq!(TestCx::normalize_platform_differences(r"$DIR\foo.rs:12:11"), "$DIR/foo.rs:12:11",);
+    assert_eq!(
+        TestCx::normalize_platform_differences(r"$DIR\path with spaces 'n' quotes"),
+        "$DIR/path with spaces 'n' quotes",
+    );
+    assert_eq!(
+        TestCx::normalize_platform_differences(r"$DIR\file_with\no_extension"),
+        "$DIR/file_with/no_extension",
+    );
+
+    assert_eq!(TestCx::normalize_platform_differences(r"\n"), r"\n");
+    assert_eq!(TestCx::normalize_platform_differences(r"{ \n"), r"{ \n");
+    assert_eq!(TestCx::normalize_platform_differences(r"`\]`"), r"`\]`");
+    assert_eq!(TestCx::normalize_platform_differences(r#""\{""#), r#""\{""#);
+    assert_eq!(
+        TestCx::normalize_platform_differences(r#"write!(&mut v, "Hello\n")"#),
+        r#"write!(&mut v, "Hello\n")"#
+    );
+    assert_eq!(
+        TestCx::normalize_platform_differences(r#"println!("test\ntest")"#),
+        r#"println!("test\ntest")"#,
+    );
+}