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// Copyright (c) The camino Contributors
// SPDX-License-Identifier: MIT OR Apache-2.0
use camino::{Utf8Path, Utf8PathBuf};
use std::{
collections::hash_map::DefaultHasher,
hash::{Hash, Hasher},
path::Path,
};
static PATH_CORPUS: &[&str] = &[
"",
"foo",
"foo/bar",
"foo//bar",
"foo/bar/baz",
"foo/bar/./baz",
"foo/bar/../baz",
"../foo/bar/./../baz",
"/foo",
"/foo/bar",
"/",
"///",
// ---
// Windows-only paths
// ---
#[cfg(windows)]
"foo\\bar",
#[cfg(windows)]
"\\foo\\bar",
#[cfg(windows)]
"C:\\foo",
#[cfg(windows)]
"C:foo\\bar",
#[cfg(windows)]
"C:\\foo\\..\\.\\bar",
#[cfg(windows)]
"\\\\server\\foo\\bar",
#[cfg(windows)]
"\\\\.\\C:\\foo\\bar.txt",
];
#[test]
fn test_borrow_eq_ord() {
// Utf8PathBuf implements Borrow<Utf8Path> so equality and ordering comparisons should
// match.
for (idx, &path1) in PATH_CORPUS.iter().enumerate() {
for &path2 in &PATH_CORPUS[idx..] {
let borrowed1 = Utf8Path::new(path1);
let borrowed2 = Utf8Path::new(path2);
let owned1 = Utf8PathBuf::from(path1);
let owned2 = Utf8PathBuf::from(path2);
assert_eq!(
borrowed1 == borrowed2,
owned1 == owned2,
"Eq impls match: {} == {}",
borrowed1,
borrowed2
);
assert_eq!(
borrowed1.cmp(borrowed2),
owned1.cmp(&owned2),
"Ord impls match: {} and {}",
borrowed1,
borrowed2
);
// Also check against std paths.
let std1 = Path::new(path1);
let std2 = Path::new(path2);
assert_eq!(
borrowed1, std1,
"Eq between Path and Utf8Path: {}",
borrowed1
);
assert_eq!(
borrowed1 == borrowed2,
std1 == std2,
"Eq impl matches Path: {} == {}",
borrowed1,
borrowed2
);
assert_eq!(
borrowed1.cmp(borrowed2),
std1.cmp(std2),
"Ord impl matches Path: {} and {}",
borrowed1,
borrowed2
);
}
}
}
#[test]
fn test_borrow_hash() {
// Utf8PathBuf implements Borrow<Utf8Path> so hash comparisons should match.
fn hash_output(x: impl Hash) -> u64 {
let mut hasher = DefaultHasher::new();
x.hash(&mut hasher);
hasher.finish()
}
for &path in PATH_CORPUS {
let borrowed = Utf8Path::new(path);
let owned = Utf8PathBuf::from(path);
assert_eq!(
hash_output(owned),
hash_output(borrowed),
"consistent Hash: {}",
borrowed
);
}
}