diff options
| -rw-r--r-- | library/std/src/fs/tests.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/library/std/src/fs/tests.rs b/library/std/src/fs/tests.rs index a62c01ef29b..16b8bf68242 100644 --- a/library/std/src/fs/tests.rs +++ b/library/std/src/fs/tests.rs @@ -1504,3 +1504,19 @@ fn create_dir_long_paths() { let path = Path::new(""); 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(); + } +} |