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Add comment and simplify hiberfil_sys test

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This commit is contained in:
Chris Denton 2022-07-05 12:00:51 +01:00
parent 8d4adad953
commit 2d0650457f
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1 changed files with 6 additions and 5 deletions
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11
library/std/src/fs/tests.rs
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@ -1535,13 +1535,14 @@ fn read_large_dir() {
}
}
/// Test the fallback for getting the metadata of files like hiberfil.sys that
/// Windows holds a special lock on, preventing normal means of querying
/// metadata. See #96980.
#[test]
#[cfg(windows)]
fn hiberfil_sys() {
// Get the system drive, which is usually `C:`.
let mut hiberfil = crate::env::var("SystemDrive").unwrap();
hiberfil.push_str(r"\hiberfil.sys");
let hiberfil = r"C:\hiberfil.sys";
fs::metadata(&hiberfil).unwrap();
fs::symlink_metadata(&hiberfil).unwrap();
fs::metadata(hiberfil).unwrap();
fs::symlink_metadata(hiberfil).unwrap();
}