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Rollup of 5 pull requests #99400

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Rollup of 5 pull requests #99400

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5f5ca88
Add size assert in transmute_copy
Jul 3, 2022
13ab796
`impl From<c::WIN32_FIND_DATAW> for FileAttr`
ChrisDenton Jul 5, 2022
8d4adad
Windows: Use `FindFirstFileW` if `metadata` fails
ChrisDenton Jul 5, 2022
2d06504
Add comment and simplify `hiberfil_sys` test
ChrisDenton Jul 5, 2022
5f5bcb3
Test if `[try_]exists` can find `hiberfil.sys`
ChrisDenton Jul 5, 2022
5566099
Add test for #96797
Amanieu Jun 8, 2022
080a53a
add missing null ptr check in alloc example
RalfJung Jul 13, 2022
5172a2f
Add regression test for #95230
JohnTitor Jul 18, 2022
9b6e006
Rollup merge of #98839 - 5225225:assert_transmute_copy_size, r=thomcc
Dylan-DPC Jul 18, 2022
03f81bf
Rollup merge of #98916 - ChrisDenton:hiberfil.sys, r=thomcc
Dylan-DPC Jul 18, 2022
5e58b1b
Rollup merge of #99059 - Amanieu:fix-96797, r=Mark-Simulacrum
Dylan-DPC Jul 18, 2022
3bee5a1
Rollup merge of #99198 - RalfJung:alloc-null-ptr, r=JohnTitor
Dylan-DPC Jul 18, 2022
86c049f
Rollup merge of #99394 - JohnTitor:issue-95230, r=compiler-errors
Dylan-DPC Jul 18, 2022
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Add comment and simplify hiberfil_sys test
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@ChrisDenton
ChrisDenton committed Jul 5, 2022
commit 2d0650457f570ca3d0d1ff24092e71291155a8a6
11 changes: 6 additions & 5 deletions library/std/src/fs/tests.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -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();
}