Merge pull request #2347 from rust-lang/rustc-pull

Rustc pull update

1 files changed, 12 insertions, 0 deletions

diff --git a/library/std/src/sys/path/windows/tests.rs b/library/std/src/sys/path/windows/tests.rs
index f2a60e30bc6..9eb79203dca 100644
--- a/library/std/src/sys/path/windows/tests.rs
+++ b/library/std/src/sys/path/windows/tests.rs
@@ -135,3 +135,15 @@ fn broken_unc_path() {
     assert_eq!(components.next(), Some(Component::Normal("foo".as_ref())));
     assert_eq!(components.next(), Some(Component::Normal("bar".as_ref())));
 }
+
+#[test]
+fn test_is_absolute_exact() {
+    use crate::sys::pal::api::wide_str;
+    // These paths can be made verbatim by only changing their prefix.
+    assert!(is_absolute_exact(wide_str!(r"C:\path\to\file")));
+    assert!(is_absolute_exact(wide_str!(r"\\server\share\path\to\file")));
+    // These paths change more substantially
+    assert!(!is_absolute_exact(wide_str!(r"C:\path\to\..\file")));
+    assert!(!is_absolute_exact(wide_str!(r"\\server\share\path\to\..\file")));
+    assert!(!is_absolute_exact(wide_str!(r"C:\path\to\NUL"))); // Converts to \\.\NUL
+}