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fs: Add a regression test for #93384

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This commit is contained in:
Tavian Barnes 2022-01-29 12:18:27 -05:00
parent f8f4c40527
commit d0c8b29ec6
1 changed files with 16 additions and 0 deletions
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16
library/std/src/fs/tests.rs
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@ -1504,3 +1504,19 @@ fn create_dir_long_paths() {
let path = Path::new(""); let path = Path::new("");
assert_eq!(path.canonicalize().unwrap_err().kind(), crate::io::ErrorKind::NotFound); assert_eq!(path.canonicalize().unwrap_err().kind(), crate::io::ErrorKind::NotFound);
} }
/// Ensure ReadDir works on large directories.
/// Regression test for https://github.com/rust-lang/rust/issues/93384.
#[test]
fn read_large_dir() {
let tmpdir = tmpdir();
let count = 32 * 1024;
for i in 0..count {
check!(fs::File::create(tmpdir.join(&i.to_string())));
}
for entry in fs::read_dir(tmpdir.path()).unwrap() {
entry.unwrap();
}
}