Move std::path unit tests to integration tests

2 files changed, 0 insertions, 2082 deletions

diff --git a/library/std/src/path.rs b/library/std/src/path.rs
index 7fd08a97f1f..97e17acadea 100644
--- a/library/std/src/path.rs
+++ b/library/std/src/path.rs
@@ -67,9 +67,6 @@
 #![stable(feature = "rust1", since = "1.0.0")]
 #![deny(unsafe_op_in_unsafe_fn)]
 
-#[cfg(test)]
-mod tests;
-
 use core::clone::CloneToUninit;
 
 use crate::borrow::{Borrow, Cow};
diff --git a/library/std/src/path/tests.rs b/library/std/src/path/tests.rs
deleted file mode 100644
index 3f96ac4672a..00000000000
--- a/library/std/src/path/tests.rs
+++ /dev/null
@@ -1,2079 +0,0 @@
-use core::hint::black_box;
-
-use super::*;
-use crate::collections::{BTreeSet, HashSet};
-use crate::hash::DefaultHasher;
-use crate::mem::MaybeUninit;
-use crate::ptr;
-
-#[allow(unknown_lints, unused_macro_rules)]
-macro_rules! t (
-    ($path:expr, iter: $iter:expr) => (
-        {
-            let path = Path::new($path);
-
-            // Forward iteration
-            let comps = path.iter()
-                .map(|p| p.to_string_lossy().into_owned())
-                .collect::<Vec<String>>();
-            let exp: &[&str] = &$iter;
-            let exps = exp.iter().map(|s| s.to_string()).collect::<Vec<String>>();
-            assert!(comps == exps, "iter: Expected {:?}, found {:?}",
-                    exps, comps);
-
-            // Reverse iteration
-            let comps = Path::new($path).iter().rev()
-                .map(|p| p.to_string_lossy().into_owned())
-                .collect::<Vec<String>>();
-            let exps = exps.into_iter().rev().collect::<Vec<String>>();
-            assert!(comps == exps, "iter().rev(): Expected {:?}, found {:?}",
-                    exps, comps);
-        }
-    );
-
-    ($path:expr, has_root: $has_root:expr, is_absolute: $is_absolute:expr) => (
-        {
-            let path = Path::new($path);
-
-            let act_root = path.has_root();
-            assert!(act_root == $has_root, "has_root: Expected {:?}, found {:?}",
-                    $has_root, act_root);
-
-            let act_abs = path.is_absolute();
-            assert!(act_abs == $is_absolute, "is_absolute: Expected {:?}, found {:?}",
-                    $is_absolute, act_abs);
-        }
-    );
-
-    ($path:expr, parent: $parent:expr, file_name: $file:expr) => (
-        {
-            let path = Path::new($path);
-
-            let parent = path.parent().map(|p| p.to_str().unwrap());
-            let exp_parent: Option<&str> = $parent;
-            assert!(parent == exp_parent, "parent: Expected {:?}, found {:?}",
-                    exp_parent, parent);
-
-            let file = path.file_name().map(|p| p.to_str().unwrap());
-            let exp_file: Option<&str> = $file;
-            assert!(file == exp_file, "file_name: Expected {:?}, found {:?}",
-                    exp_file, file);
-        }
-    );
-
-    ($path:expr, file_stem: $file_stem:expr, extension: $extension:expr) => (
-        {
-            let path = Path::new($path);
-
-            let stem = path.file_stem().map(|p| p.to_str().unwrap());
-            let exp_stem: Option<&str> = $file_stem;
-            assert!(stem == exp_stem, "file_stem: Expected {:?}, found {:?}",
-                    exp_stem, stem);
-
-            let ext = path.extension().map(|p| p.to_str().unwrap());
-            let exp_ext: Option<&str> = $extension;
-            assert!(ext == exp_ext, "extension: Expected {:?}, found {:?}",
-                    exp_ext, ext);
-        }
-    );
-
-    ($path:expr, file_prefix: $file_prefix:expr, extension: $extension:expr) => (
-        {
-            let path = Path::new($path);
-
-            let prefix = path.file_prefix().map(|p| p.to_str().unwrap());
-            let exp_prefix: Option<&str> = $file_prefix;
-            assert!(prefix == exp_prefix, "file_prefix: Expected {:?}, found {:?}",
-                    exp_prefix, prefix);
-
-            let ext = path.extension().map(|p| p.to_str().unwrap());
-            let exp_ext: Option<&str> = $extension;
-            assert!(ext == exp_ext, "extension: Expected {:?}, found {:?}",
-                    exp_ext, ext);
-        }
-    );
-
-    ($path:expr, iter: $iter:expr,
-                 has_root: $has_root:expr, is_absolute: $is_absolute:expr,
-                 parent: $parent:expr, file_name: $file:expr,
-                 file_stem: $file_stem:expr, extension: $extension:expr,
-                 file_prefix: $file_prefix:expr) => (
-        {
-            t!($path, iter: $iter);
-            t!($path, has_root: $has_root, is_absolute: $is_absolute);
-            t!($path, parent: $parent, file_name: $file);
-            t!($path, file_stem: $file_stem, extension: $extension);
-            t!($path, file_prefix: $file_prefix, extension: $extension);
-        }
-    );
-);
-
-#[test]
-fn into() {
-    use crate::borrow::Cow;
-
-    let static_path = Path::new("/home/foo");
-    let static_cow_path: Cow<'static, Path> = static_path.into();
-    let pathbuf = PathBuf::from("/home/foo");
-
-    {
-        let path: &Path = &pathbuf;
-        let borrowed_cow_path: Cow<'_, Path> = path.into();
-
-        assert_eq!(static_cow_path, borrowed_cow_path);
-    }
-
-    let owned_cow_path: Cow<'static, Path> = pathbuf.into();
-
-    assert_eq!(static_cow_path, owned_cow_path);
-}
-
-#[test]
-fn test_pathbuf_leak() {
-    let string = "/have/a/cake".to_owned();
-    let (len, cap) = (string.len(), string.capacity());
-    let buf = PathBuf::from(string);
-    let leaked = buf.leak();
-    assert_eq!(leaked.as_os_str().as_encoded_bytes(), b"/have/a/cake");
-    unsafe { drop(String::from_raw_parts(leaked.as_mut_os_str() as *mut OsStr as _, len, cap)) }
-}
-
-#[test]
-#[cfg(any(unix, target_os = "wasi"))]
-pub fn test_decompositions_unix() {
-    t!("",
-    iter: [],
-    has_root: false,
-    is_absolute: false,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("foo",
-    iter: ["foo"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("/",
-    iter: ["/"],
-    has_root: true,
-    is_absolute: true,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("/foo",
-    iter: ["/", "foo"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("/"),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("foo/",
-    iter: ["foo"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("/foo/",
-    iter: ["/", "foo"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("/"),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("foo/bar",
-    iter: ["foo", "bar"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("foo"),
-    file_name: Some("bar"),
-    file_stem: Some("bar"),
-    extension: None,
-    file_prefix: Some("bar")
-    );
-
-    t!("/foo/bar",
-    iter: ["/", "foo", "bar"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("/foo"),
-    file_name: Some("bar"),
-    file_stem: Some("bar"),
-    extension: None,
-    file_prefix: Some("bar")
-    );
-
-    t!("///foo///",
-    iter: ["/", "foo"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("/"),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("///foo///bar",
-    iter: ["/", "foo", "bar"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("///foo"),
-    file_name: Some("bar"),
-    file_stem: Some("bar"),
-    extension: None,
-    file_prefix: Some("bar")
-    );
-
-    t!("./.",
-    iter: ["."],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("/..",
-    iter: ["/", ".."],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("/"),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("../",
-    iter: [".."],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("foo/.",
-    iter: ["foo"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("foo/..",
-    iter: ["foo", ".."],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("foo"),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("foo/./",
-    iter: ["foo"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("foo/./bar",
-    iter: ["foo", "bar"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("foo"),
-    file_name: Some("bar"),
-    file_stem: Some("bar"),
-    extension: None,
-    file_prefix: Some("bar")
-    );
-
-    t!("foo/../",
-    iter: ["foo", ".."],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("foo"),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("foo/../bar",
-    iter: ["foo", "..", "bar"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("foo/.."),
-    file_name: Some("bar"),
-    file_stem: Some("bar"),
-    extension: None,
-    file_prefix: Some("bar")
-    );
-
-    t!("./a",
-    iter: [".", "a"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("."),
-    file_name: Some("a"),
-    file_stem: Some("a"),
-    extension: None,
-    file_prefix: Some("a")
-    );
-
-    t!(".",
-    iter: ["."],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("./",
-    iter: ["."],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("a/b",
-    iter: ["a", "b"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("a"),
-    file_name: Some("b"),
-    file_stem: Some("b"),
-    extension: None,
-    file_prefix: Some("b")
-    );
-
-    t!("a//b",
-    iter: ["a", "b"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("a"),
-    file_name: Some("b"),
-    file_stem: Some("b"),
-    extension: None,
-    file_prefix: Some("b")
-    );
-
-    t!("a/./b",
-    iter: ["a", "b"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("a"),
-    file_name: Some("b"),
-    file_stem: Some("b"),
-    extension: None,
-    file_prefix: Some("b")
-    );
-
-    t!("a/b/c",
-    iter: ["a", "b", "c"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("a/b"),
-    file_name: Some("c"),
-    file_stem: Some("c"),
-    extension: None,
-    file_prefix: Some("c")
-    );
-
-    t!(".foo",
-    iter: [".foo"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: Some(".foo"),
-    file_stem: Some(".foo"),
-    extension: None,
-    file_prefix: Some(".foo")
-    );
-
-    t!("a/.foo",
-    iter: ["a", ".foo"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("a"),
-    file_name: Some(".foo"),
-    file_stem: Some(".foo"),
-    extension: None,
-    file_prefix: Some(".foo")
-    );
-
-    t!("a/.rustfmt.toml",
-    iter: ["a", ".rustfmt.toml"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("a"),
-    file_name: Some(".rustfmt.toml"),
-    file_stem: Some(".rustfmt"),
-    extension: Some("toml"),
-    file_prefix: Some(".rustfmt")
-    );
-
-    t!("a/.x.y.z",
-    iter: ["a", ".x.y.z"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("a"),
-    file_name: Some(".x.y.z"),
-    file_stem: Some(".x.y"),
-    extension: Some("z"),
-    file_prefix: Some(".x")
-    );
-}
-
-#[test]
-#[cfg(windows)]
-pub fn test_decompositions_windows() {
-    t!("",
-    iter: [],
-    has_root: false,
-    is_absolute: false,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("foo",
-    iter: ["foo"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("/",
-    iter: ["\\"],
-    has_root: true,
-    is_absolute: false,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("\\",
-    iter: ["\\"],
-    has_root: true,
-    is_absolute: false,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("c:",
-    iter: ["c:"],
-    has_root: false,
-    is_absolute: false,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("c:\\",
-    iter: ["c:", "\\"],
-    has_root: true,
-    is_absolute: true,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("c:/",
-    iter: ["c:", "\\"],
-    has_root: true,
-    is_absolute: true,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("/foo",
-    iter: ["\\", "foo"],
-    has_root: true,
-    is_absolute: false,
-    parent: Some("/"),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("foo/",
-    iter: ["foo"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("/foo/",
-    iter: ["\\", "foo"],
-    has_root: true,
-    is_absolute: false,
-    parent: Some("/"),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("foo/bar",
-    iter: ["foo", "bar"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("foo"),
-    file_name: Some("bar"),
-    file_stem: Some("bar"),
-    extension: None,
-    file_prefix: Some("bar")
-    );
-
-    t!("/foo/bar",
-    iter: ["\\", "foo", "bar"],
-    has_root: true,
-    is_absolute: false,
-    parent: Some("/foo"),
-    file_name: Some("bar"),
-    file_stem: Some("bar"),
-    extension: None,
-    file_prefix: Some("bar")
-    );
-
-    t!("///foo///",
-    iter: ["\\", "foo"],
-    has_root: true,
-    is_absolute: false,
-    parent: Some("/"),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("///foo///bar",
-    iter: ["\\", "foo", "bar"],
-    has_root: true,
-    is_absolute: false,
-    parent: Some("///foo"),
-    file_name: Some("bar"),
-    file_stem: Some("bar"),
-    extension: None,
-    file_prefix: Some("bar")
-    );
-
-    t!("./.",
-    iter: ["."],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("/..",
-    iter: ["\\", ".."],
-    has_root: true,
-    is_absolute: false,
-    parent: Some("/"),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("../",
-    iter: [".."],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("foo/.",
-    iter: ["foo"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("foo/..",
-    iter: ["foo", ".."],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("foo"),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("foo/./",
-    iter: ["foo"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: Some("foo"),
-    file_stem: Some("foo"),
-    extension: None,
-    file_prefix: Some("foo")
-    );
-
-    t!("foo/./bar",
-    iter: ["foo", "bar"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("foo"),
-    file_name: Some("bar"),
-    file_stem: Some("bar"),
-    extension: None,
-    file_prefix: Some("bar")
-    );
-
-    t!("foo/../",
-    iter: ["foo", ".."],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("foo"),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("foo/../bar",
-    iter: ["foo", "..", "bar"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("foo/.."),
-    file_name: Some("bar"),
-    file_stem: Some("bar"),
-    extension: None,
-    file_prefix: Some("bar")
-    );
-
-    t!("./a",
-    iter: [".", "a"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("."),
-    file_name: Some("a"),
-    file_stem: Some("a"),
-    extension: None,
-    file_prefix: Some("a")
-    );
-
-    t!(".",
-    iter: ["."],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("./",
-    iter: ["."],
-    has_root: false,
-    is_absolute: false,
-    parent: Some(""),
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("a/b",
-    iter: ["a", "b"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("a"),
-    file_name: Some("b"),
-    file_stem: Some("b"),
-    extension: None,
-    file_prefix: Some("b")
-    );
-
-    t!("a//b",
-    iter: ["a", "b"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("a"),
-    file_name: Some("b"),
-    file_stem: Some("b"),
-    extension: None,
-    file_prefix: Some("b")
-    );
-
-    t!("a/./b",
-    iter: ["a", "b"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("a"),
-    file_name: Some("b"),
-    file_stem: Some("b"),
-    extension: None,
-    file_prefix: Some("b")
-    );
-
-    t!("a/b/c",
-       iter: ["a", "b", "c"],
-       has_root: false,
-       is_absolute: false,
-       parent: Some("a/b"),
-       file_name: Some("c"),
-       file_stem: Some("c"),
-       extension: None,
-       file_prefix: Some("c")
-    );
-
-    t!("a\\b\\c",
-    iter: ["a", "b", "c"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("a\\b"),
-    file_name: Some("c"),
-    file_stem: Some("c"),
-    extension: None,
-    file_prefix: Some("c")
-    );
-
-    t!("\\a",
-    iter: ["\\", "a"],
-    has_root: true,
-    is_absolute: false,
-    parent: Some("\\"),
-    file_name: Some("a"),
-    file_stem: Some("a"),
-    extension: None,
-    file_prefix: Some("a")
-    );
-
-    t!("c:\\foo.txt",
-    iter: ["c:", "\\", "foo.txt"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("c:\\"),
-    file_name: Some("foo.txt"),
-    file_stem: Some("foo"),
-    extension: Some("txt"),
-    file_prefix: Some("foo")
-    );
-
-    t!("\\\\server\\share\\foo.txt",
-    iter: ["\\\\server\\share", "\\", "foo.txt"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("\\\\server\\share\\"),
-    file_name: Some("foo.txt"),
-    file_stem: Some("foo"),
-    extension: Some("txt"),
-    file_prefix: Some("foo")
-    );
-
-    t!("\\\\server\\share",
-    iter: ["\\\\server\\share", "\\"],
-    has_root: true,
-    is_absolute: true,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("\\\\server",
-    iter: ["\\", "server"],
-    has_root: true,
-    is_absolute: false,
-    parent: Some("\\"),
-    file_name: Some("server"),
-    file_stem: Some("server"),
-    extension: None,
-    file_prefix: Some("server")
-    );
-
-    t!("\\\\?\\bar\\foo.txt",
-    iter: ["\\\\?\\bar", "\\", "foo.txt"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("\\\\?\\bar\\"),
-    file_name: Some("foo.txt"),
-    file_stem: Some("foo"),
-    extension: Some("txt"),
-    file_prefix: Some("foo")
-    );
-
-    t!("\\\\?\\bar",
-    iter: ["\\\\?\\bar"],
-    has_root: true,
-    is_absolute: true,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("\\\\?\\",
-    iter: ["\\\\?\\"],
-    has_root: true,
-    is_absolute: true,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("\\\\?\\UNC\\server\\share\\foo.txt",
-    iter: ["\\\\?\\UNC\\server\\share", "\\", "foo.txt"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("\\\\?\\UNC\\server\\share\\"),
-    file_name: Some("foo.txt"),
-    file_stem: Some("foo"),
-    extension: Some("txt"),
-    file_prefix: Some("foo")
-    );
-
-    t!("\\\\?\\UNC\\server",
-    iter: ["\\\\?\\UNC\\server"],
-    has_root: true,
-    is_absolute: true,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("\\\\?\\UNC\\",
-    iter: ["\\\\?\\UNC\\"],
-    has_root: true,
-    is_absolute: true,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("\\\\?\\C:\\foo.txt",
-    iter: ["\\\\?\\C:", "\\", "foo.txt"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("\\\\?\\C:\\"),
-    file_name: Some("foo.txt"),
-    file_stem: Some("foo"),
-    extension: Some("txt"),
-    file_prefix: Some("foo")
-    );
-
-    t!("\\\\?\\C:\\",
-    iter: ["\\\\?\\C:", "\\"],
-    has_root: true,
-    is_absolute: true,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("\\\\?\\C:",
-    iter: ["\\\\?\\C:"],
-    has_root: true,
-    is_absolute: true,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("\\\\?\\foo/bar",
-    iter: ["\\\\?\\foo/bar"],
-    has_root: true,
-    is_absolute: true,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("\\\\?\\C:/foo/bar",
-    iter: ["\\\\?\\C:", "\\", "foo/bar"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("\\\\?\\C:/"),
-    file_name: Some("foo/bar"),
-    file_stem: Some("foo/bar"),
-    extension: None,
-    file_prefix: Some("foo/bar")
-    );
-
-    t!("\\\\.\\foo\\bar",
-    iter: ["\\\\.\\foo", "\\", "bar"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("\\\\.\\foo\\"),
-    file_name: Some("bar"),
-    file_stem: Some("bar"),
-    extension: None,
-    file_prefix: Some("bar")
-    );
-
-    t!("\\\\.\\foo",
-    iter: ["\\\\.\\foo", "\\"],
-    has_root: true,
-    is_absolute: true,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("\\\\.\\foo/bar",
-    iter: ["\\\\.\\foo", "\\", "bar"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("\\\\.\\foo/"),
-    file_name: Some("bar"),
-    file_stem: Some("bar"),
-    extension: None,
-    file_prefix: Some("bar")
-    );
-
-    t!("\\\\.\\foo\\bar/baz",
-    iter: ["\\\\.\\foo", "\\", "bar", "baz"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("\\\\.\\foo\\bar"),
-    file_name: Some("baz"),
-    file_stem: Some("baz"),
-    extension: None,
-    file_prefix: Some("baz")
-    );
-
-    t!("\\\\.\\",
-    iter: ["\\\\.\\", "\\"],
-    has_root: true,
-    is_absolute: true,
-    parent: None,
-    file_name: None,
-    file_stem: None,
-    extension: None,
-    file_prefix: None
-    );
-
-    t!("\\\\?\\a\\b\\",
-    iter: ["\\\\?\\a", "\\", "b"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("\\\\?\\a\\"),
-    file_name: Some("b"),
-    file_stem: Some("b"),
-    extension: None,
-    file_prefix: Some("b")
-    );
-
-    t!("\\\\?\\C:\\foo.txt.zip",
-    iter: ["\\\\?\\C:", "\\", "foo.txt.zip"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("\\\\?\\C:\\"),
-    file_name: Some("foo.txt.zip"),
-    file_stem: Some("foo.txt"),
-    extension: Some("zip"),
-    file_prefix: Some("foo")
-    );
-
-    t!("\\\\?\\C:\\.foo.txt.zip",
-    iter: ["\\\\?\\C:", "\\", ".foo.txt.zip"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("\\\\?\\C:\\"),
-    file_name: Some(".foo.txt.zip"),
-    file_stem: Some(".foo.txt"),
-    extension: Some("zip"),
-    file_prefix: Some(".foo")
-    );
-
-    t!("\\\\?\\C:\\.foo",
-    iter: ["\\\\?\\C:", "\\", ".foo"],
-    has_root: true,
-    is_absolute: true,
-    parent: Some("\\\\?\\C:\\"),
-    file_name: Some(".foo"),
-    file_stem: Some(".foo"),
-    extension: None,
-    file_prefix: Some(".foo")
-    );
-
-    t!("a/.x.y.z",
-    iter: ["a", ".x.y.z"],
-    has_root: false,
-    is_absolute: false,
-    parent: Some("a"),
-    file_name: Some(".x.y.z"),
-    file_stem: Some(".x.y"),
-    extension: Some("z"),
-    file_prefix: Some(".x")
-    );
-}
-
-#[test]
-pub fn test_stem_ext() {
-    t!("foo",
-    file_stem: Some("foo"),
-    extension: None
-    );
-
-    t!("foo.",
-    file_stem: Some("foo"),
-    extension: Some("")
-    );
-
-    t!(".foo",
-    file_stem: Some(".foo"),
-    extension: None
-    );
-
-    t!("foo.txt",
-    file_stem: Some("foo"),
-    extension: Some("txt")
-    );
-
-    t!("foo.bar.txt",
-    file_stem: Some("foo.bar"),
-    extension: Some("txt")
-    );
-
-    t!("foo.bar.",
-    file_stem: Some("foo.bar"),
-    extension: Some("")
-    );
-
-    t!(".", file_stem: None, extension: None);
-
-    t!("..", file_stem: None, extension: None);
-
-    t!(".x.y.z", file_stem: Some(".x.y"), extension: Some("z"));
-
-    t!("..x.y.z", file_stem: Some("..x.y"), extension: Some("z"));
-
-    t!("", file_stem: None, extension: None);
-}
-
-#[test]
-pub fn test_prefix_ext() {
-    t!("foo",
-    file_prefix: Some("foo"),
-    extension: None
-    );
-
-    t!("foo.",
-    file_prefix: Some("foo"),
-    extension: Some("")
-    );
-
-    t!(".foo",
-    file_prefix: Some(".foo"),
-    extension: None
-    );
-
-    t!("foo.txt",
-    file_prefix: Some("foo"),
-    extension: Some("txt")
-    );
-
-    t!("foo.bar.txt",
-    file_prefix: Some("foo"),
-    extension: Some("txt")
-    );
-
-    t!("foo.bar.",
-    file_prefix: Some("foo"),
-    extension: Some("")
-    );
-
-    t!(".", file_prefix: None, extension: None);
-
-    t!("..", file_prefix: None, extension: None);
-
-    t!(".x.y.z", file_prefix: Some(".x"), extension: Some("z"));
-
-    t!("..x.y.z", file_prefix: Some("."), extension: Some("z"));
-
-    t!("", file_prefix: None, extension: None);
-}
-
-#[test]
-pub fn test_push() {
-    macro_rules! tp (
-        ($path:expr, $push:expr, $expected:expr) => ({
-            let mut actual = PathBuf::from($path);
-            actual.push($push);
-            assert!(actual.to_str() == Some($expected),
-                    "pushing {:?} onto {:?}: Expected {:?}, got {:?}",
-                    $push, $path, $expected, actual.to_str().unwrap());
-        });
-    );
-
-    if cfg!(unix)
-        || cfg!(target_os = "wasi")
-        || cfg!(all(target_env = "sgx", target_vendor = "fortanix"))
-    {
-        tp!("", "foo", "foo");
-        tp!("foo", "bar", "foo/bar");
-        tp!("foo/", "bar", "foo/bar");
-        tp!("foo//", "bar", "foo//bar");
-        tp!("foo/.", "bar", "foo/./bar");
-        tp!("foo./.", "bar", "foo././bar");
-        tp!("foo", "", "foo/");
-        tp!("foo", ".", "foo/.");
-        tp!("foo", "..", "foo/..");
-        tp!("foo", "/", "/");
-        tp!("/foo/bar", "/", "/");
-        tp!("/foo/bar", "/baz", "/baz");
-        tp!("/foo/bar", "./baz", "/foo/bar/./baz");
-    } else {
-        tp!("", "foo", "foo");
-        tp!("foo", "bar", r"foo\bar");
-        tp!("foo/", "bar", r"foo/bar");
-        tp!(r"foo\", "bar", r"foo\bar");
-        tp!("foo//", "bar", r"foo//bar");
-        tp!(r"foo\\", "bar", r"foo\\bar");
-        tp!("foo/.", "bar", r"foo/.\bar");
-        tp!("foo./.", "bar", r"foo./.\bar");
-        tp!(r"foo\.", "bar", r"foo\.\bar");
-        tp!(r"foo.\.", "bar", r"foo.\.\bar");
-        tp!("foo", "", "foo\\");
-        tp!("foo", ".", r"foo\.");
-        tp!("foo", "..", r"foo\..");
-        tp!("foo", "/", "/");
-        tp!("foo", r"\", r"\");
-        tp!("/foo/bar", "/", "/");
-        tp!(r"\foo\bar", r"\", r"\");
-        tp!("/foo/bar", "/baz", "/baz");
-        tp!("/foo/bar", r"\baz", r"\baz");
-        tp!("/foo/bar", "./baz", r"/foo/bar\./baz");
-        tp!("/foo/bar", r".\baz", r"/foo/bar\.\baz");
-
-        tp!("c:\\", "windows", "c:\\windows");
-        tp!("c:", "windows", "c:windows");
-
-        tp!("a\\b\\c", "d", "a\\b\\c\\d");
-        tp!("\\a\\b\\c", "d", "\\a\\b\\c\\d");
-        tp!("a\\b", "c\\d", "a\\b\\c\\d");
-        tp!("a\\b", "\\c\\d", "\\c\\d");
-        tp!("a\\b", ".", "a\\b\\.");
-        tp!("a\\b", "..\\c", "a\\b\\..\\c");
-        tp!("a\\b", "C:a.txt", "C:a.txt");
-        tp!("a\\b", "C:\\a.txt", "C:\\a.txt");
-        tp!("C:\\a", "C:\\b.txt", "C:\\b.txt");
-        tp!("C:\\a\\b\\c", "C:d", "C:d");
-        tp!("C:a\\b\\c", "C:d", "C:d");
-        tp!("C:", r"a\b\c", r"C:a\b\c");
-        tp!("C:", r"..\a", r"C:..\a");
-        tp!("\\\\server\\share\\foo", "bar", "\\\\server\\share\\foo\\bar");
-        tp!("\\\\server\\share\\foo", "C:baz", "C:baz");
-        tp!("\\\\?\\C:\\a\\b", "C:c\\d", "C:c\\d");
-        tp!("\\\\?\\C:a\\b", "C:c\\d", "C:c\\d");
-        tp!("\\\\?\\C:\\a\\b", "C:\\c\\d", "C:\\c\\d");
-        tp!("\\\\?\\foo\\bar", "baz", "\\\\?\\foo\\bar\\baz");
-        tp!("\\\\?\\UNC\\server\\share\\foo", "bar", "\\\\?\\UNC\\server\\share\\foo\\bar");
-        tp!("\\\\?\\UNC\\server\\share", "C:\\a", "C:\\a");
-        tp!("\\\\?\\UNC\\server\\share", "C:a", "C:a");
-
-        // Note: modified from old path API
-        tp!("\\\\?\\UNC\\server", "foo", "\\\\?\\UNC\\server\\foo");
-
-        tp!("C:\\a", "\\\\?\\UNC\\server\\share", "\\\\?\\UNC\\server\\share");
-        tp!("\\\\.\\foo\\bar", "baz", "\\\\.\\foo\\bar\\baz");
-        tp!("\\\\.\\foo\\bar", "C:a", "C:a");
-        // again, not sure about the following, but I'm assuming \\.\ should be verbatim
-        tp!("\\\\.\\foo", "..\\bar", "\\\\.\\foo\\..\\bar");
-
-        tp!("\\\\?\\C:", "foo", "\\\\?\\C:\\foo"); // this is a weird one
-
-        tp!(r"\\?\C:\bar", "../foo", r"\\?\C:\foo");
-        tp!(r"\\?\C:\bar", "../../foo", r"\\?\C:\foo");
-        tp!(r"\\?\C:\", "../foo", r"\\?\C:\foo");
-        tp!(r"\\?\C:", r"D:\foo/./", r"D:\foo/./");
-        tp!(r"\\?\C:", r"\\?\D:\foo\.\", r"\\?\D:\foo\.\");
-        tp!(r"\\?\A:\x\y", "/foo", r"\\?\A:\foo");
-        tp!(r"\\?\A:", r"..\foo\.", r"\\?\A:\foo");
-        tp!(r"\\?\A:\x\y", r".\foo\.", r"\\?\A:\x\y\foo");
-        tp!(r"\\?\A:\x\y", r"", r"\\?\A:\x\y\");
-    }
-}
-
-#[test]
-pub fn test_pop() {
-    macro_rules! tp (
-        ($path:expr, $expected:expr, $output:expr) => ({
-            let mut actual = PathBuf::from($path);
-            let output = actual.pop();
-            assert!(actual.to_str() == Some($expected) && output == $output,
-                    "popping from {:?}: Expected {:?}/{:?}, got {:?}/{:?}",
-                    $path, $expected, $output,
-                    actual.to_str().unwrap(), output);
-        });
-    );
-
-    tp!("", "", false);
-    tp!("/", "/", false);
-    tp!("foo", "", true);
-    tp!(".", "", true);
-    tp!("/foo", "/", true);
-    tp!("/foo/bar", "/foo", true);
-    tp!("foo/bar", "foo", true);
-    tp!("foo/.", "", true);
-    tp!("foo//bar", "foo", true);
-
-    if cfg!(windows) {
-        tp!("a\\b\\c", "a\\b", true);
-        tp!("\\a", "\\", true);
-        tp!("\\", "\\", false);
-
-        tp!("C:\\a\\b", "C:\\a", true);
-        tp!("C:\\a", "C:\\", true);
-        tp!("C:\\", "C:\\", false);
-        tp!("C:a\\b", "C:a", true);
-        tp!("C:a", "C:", true);
-        tp!("C:", "C:", false);
-        tp!("\\\\server\\share\\a\\b", "\\\\server\\share\\a", true);
-        tp!("\\\\server\\share\\a", "\\\\server\\share\\", true);
-        tp!("\\\\server\\share", "\\\\server\\share", false);
-        tp!("\\\\?\\a\\b\\c", "\\\\?\\a\\b", true);
-        tp!("\\\\?\\a\\b", "\\\\?\\a\\", true);
-        tp!("\\\\?\\a", "\\\\?\\a", false);
-        tp!("\\\\?\\C:\\a\\b", "\\\\?\\C:\\a", true);
-        tp!("\\\\?\\C:\\a", "\\\\?\\C:\\", true);
-        tp!("\\\\?\\C:\\", "\\\\?\\C:\\", false);
-        tp!("\\\\?\\UNC\\server\\share\\a\\b", "\\\\?\\UNC\\server\\share\\a", true);
-        tp!("\\\\?\\UNC\\server\\share\\a", "\\\\?\\UNC\\server\\share\\", true);
-        tp!("\\\\?\\UNC\\server\\share", "\\\\?\\UNC\\server\\share", false);
-        tp!("\\\\.\\a\\b\\c", "\\\\.\\a\\b", true);
-        tp!("\\\\.\\a\\b", "\\\\.\\a\\", true);
-        tp!("\\\\.\\a", "\\\\.\\a", false);
-
-        tp!("\\\\?\\a\\b\\", "\\\\?\\a\\", true);
-    }
-}
-
-#[test]
-pub fn test_set_file_name() {
-    macro_rules! tfn (
-        ($path:expr, $file:expr, $expected:expr) => ({
-            let mut p = PathBuf::from($path);
-            p.set_file_name($file);
-            assert!(p.to_str() == Some($expected),
-                    "setting file name of {:?} to {:?}: Expected {:?}, got {:?}",
-                    $path, $file, $expected,
-                    p.to_str().unwrap());
-        });
-    );
-
-    tfn!("foo", "foo", "foo");
-    tfn!("foo", "bar", "bar");
-    tfn!("foo", "", "");
-    tfn!("", "foo", "foo");
-    if cfg!(unix)
-        || cfg!(target_os = "wasi")
-        || cfg!(all(target_env = "sgx", target_vendor = "fortanix"))
-    {
-        tfn!(".", "foo", "./foo");
-        tfn!("foo/", "bar", "bar");
-        tfn!("foo/.", "bar", "bar");
-        tfn!("..", "foo", "../foo");
-        tfn!("foo/..", "bar", "foo/../bar");
-        tfn!("/", "foo", "/foo");
-    } else {
-        tfn!(".", "foo", r".\foo");
-        tfn!(r"foo\", "bar", r"bar");
-        tfn!(r"foo\.", "bar", r"bar");
-        tfn!("..", "foo", r"..\foo");
-        tfn!(r"foo\..", "bar", r"foo\..\bar");
-        tfn!(r"\", "foo", r"\foo");
-    }
-}
-
-#[test]
-pub fn test_set_extension() {
-    macro_rules! tfe (
-        ($path:expr, $ext:expr, $expected:expr, $output:expr) => ({
-            let mut p = PathBuf::from($path);
-            let output = p.set_extension($ext);
-            assert!(p.to_str() == Some($expected) && output == $output,
-                    "setting extension of {:?} to {:?}: Expected {:?}/{:?}, got {:?}/{:?}",
-                    $path, $ext, $expected, $output,
-                    p.to_str().unwrap(), output);
-        });
-    );
-
-    tfe!("foo", "txt", "foo.txt", true);
-    tfe!("foo.bar", "txt", "foo.txt", true);
-    tfe!("foo.bar.baz", "txt", "foo.bar.txt", true);
-    tfe!(".test", "txt", ".test.txt", true);
-    tfe!("foo.txt", "", "foo", true);
-    tfe!("foo", "", "foo", true);
-    tfe!("", "foo", "", false);
-    tfe!(".", "foo", ".", false);
-    tfe!("foo/", "bar", "foo.bar", true);
-    tfe!("foo/.", "bar", "foo.bar", true);
-    tfe!("..", "foo", "..", false);
-    tfe!("foo/..", "bar", "foo/..", false);
-    tfe!("/", "foo", "/", false);
-}
-
-#[test]
-pub fn test_add_extension() {
-    macro_rules! tfe (
-        ($path:expr, $ext:expr, $expected:expr, $output:expr) => ({
-            let mut p = PathBuf::from($path);
-            let output = p.add_extension($ext);
-            assert!(p.to_str() == Some($expected) && output == $output,
-                    "adding extension of {:?} to {:?}: Expected {:?}/{:?}, got {:?}/{:?}",
-                    $path, $ext, $expected, $output,
-                    p.to_str().unwrap(), output);
-        });
-    );
-
-    tfe!("foo", "txt", "foo.txt", true);
-    tfe!("foo.bar", "txt", "foo.bar.txt", true);
-    tfe!("foo.bar.baz", "txt", "foo.bar.baz.txt", true);
-    tfe!(".test", "txt", ".test.txt", true);
-    tfe!("foo.txt", "", "foo.txt", true);
-    tfe!("foo", "", "foo", true);
-    tfe!("", "foo", "", false);
-    tfe!(".", "foo", ".", false);
-    tfe!("foo/", "bar", "foo.bar", true);
-    tfe!("foo/.", "bar", "foo.bar", true);
-    tfe!("..", "foo", "..", false);
-    tfe!("foo/..", "bar", "foo/..", false);
-    tfe!("/", "foo", "/", false);
-
-    // edge cases
-    tfe!("/foo.ext////", "bar", "/foo.ext.bar", true);
-}
-
-#[test]
-pub fn test_with_extension() {
-    macro_rules! twe (
-        ($input:expr, $extension:expr, $expected:expr) => ({
-            let input = Path::new($input);
-            let output = input.with_extension($extension);
-
-            assert!(
-                output.to_str() == Some($expected),
-                "calling Path::new({:?}).with_extension({:?}): Expected {:?}, got {:?}",
-                $input, $extension, $expected, output,
-            );
-        });
-    );
-
-    twe!("foo", "txt", "foo.txt");
-    twe!("foo.bar", "txt", "foo.txt");
-    twe!("foo.bar.baz", "txt", "foo.bar.txt");
-    twe!(".test", "txt", ".test.txt");
-    twe!("foo.txt", "", "foo");
-    twe!("foo", "", "foo");
-    twe!("", "foo", "");
-    twe!(".", "foo", ".");
-    twe!("foo/", "bar", "foo.bar");
-    twe!("foo/.", "bar", "foo.bar");
-    twe!("..", "foo", "..");
-    twe!("foo/..", "bar", "foo/..");
-    twe!("/", "foo", "/");
-
-    // New extension is smaller than file name
-    twe!("aaa_aaa_aaa", "bbb_bbb", "aaa_aaa_aaa.bbb_bbb");
-    // New extension is greater than file name
-    twe!("bbb_bbb", "aaa_aaa_aaa", "bbb_bbb.aaa_aaa_aaa");
-
-    // New extension is smaller than previous extension
-    twe!("ccc.aaa_aaa_aaa", "bbb_bbb", "ccc.bbb_bbb");
-    // New extension is greater than previous extension
-    twe!("ccc.bbb_bbb", "aaa_aaa_aaa", "ccc.aaa_aaa_aaa");
-}
-
-#[test]
-pub fn test_with_added_extension() {
-    macro_rules! twe (
-        ($input:expr, $extension:expr, $expected:expr) => ({
-            let input = Path::new($input);
-            let output = input.with_added_extension($extension);
-
-            assert!(
-                output.to_str() == Some($expected),
-                "calling Path::new({:?}).with_added_extension({:?}): Expected {:?}, got {:?}",
-                $input, $extension, $expected, output,
-            );
-        });
-    );
-
-    twe!("foo", "txt", "foo.txt");
-    twe!("foo.bar", "txt", "foo.bar.txt");
-    twe!("foo.bar.baz", "txt", "foo.bar.baz.txt");
-    twe!(".test", "txt", ".test.txt");
-    twe!("foo.txt", "", "foo.txt");
-    twe!("foo", "", "foo");
-    twe!("", "foo", "");
-    twe!(".", "foo", ".");
-    twe!("foo/", "bar", "foo.bar");
-    twe!("foo/.", "bar", "foo.bar");
-    twe!("..", "foo", "..");
-    twe!("foo/..", "bar", "foo/..");
-    twe!("/", "foo", "/");
-
-    // edge cases
-    twe!("/foo.ext////", "bar", "/foo.ext.bar");
-
-    // New extension is smaller than file name
-    twe!("aaa_aaa_aaa", "bbb_bbb", "aaa_aaa_aaa.bbb_bbb");
-    // New extension is greater than file name
-    twe!("bbb_bbb", "aaa_aaa_aaa", "bbb_bbb.aaa_aaa_aaa");
-
-    // New extension is smaller than previous extension
-    twe!("ccc.aaa_aaa_aaa", "bbb_bbb", "ccc.aaa_aaa_aaa.bbb_bbb");
-    // New extension is greater than previous extension
-    twe!("ccc.bbb_bbb", "aaa_aaa_aaa", "ccc.bbb_bbb.aaa_aaa_aaa");
-}
-
-#[test]
-fn test_eq_receivers() {
-    use crate::borrow::Cow;
-
-    let borrowed: &Path = Path::new("foo/bar");
-    let mut owned: PathBuf = PathBuf::new();
-    owned.push("foo");
-    owned.push("bar");
-    let borrowed_cow: Cow<'_, Path> = borrowed.into();
-    let owned_cow: Cow<'_, Path> = owned.clone().into();
-
-    macro_rules! t {
-        ($($current:expr),+) => {
-            $(
-                assert_eq!($current, borrowed);
-                assert_eq!($current, owned);
-                assert_eq!($current, borrowed_cow);
-                assert_eq!($current, owned_cow);
-            )+
-        }
-    }
-
-    t!(borrowed, owned, borrowed_cow, owned_cow);
-}
-
-#[test]
-pub fn test_compare() {
-    use crate::hash::{DefaultHasher, Hash, Hasher};
-
-    fn hash<T: Hash>(t: T) -> u64 {
-        let mut s = DefaultHasher::new();
-        t.hash(&mut s);
-        s.finish()
-    }
-
-    macro_rules! tc (
-        ($path1:expr, $path2:expr, eq: $eq:expr,
-         starts_with: $starts_with:expr, ends_with: $ends_with:expr,
-         relative_from: $relative_from:expr) => ({
-             let path1 = Path::new($path1);
-             let path2 = Path::new($path2);
-
-             let eq = path1 == path2;
-             assert!(eq == $eq, "{:?} == {:?}, expected {:?}, got {:?}",
-                     $path1, $path2, $eq, eq);
-             assert!($eq == (hash(path1) == hash(path2)),
-                     "{:?} == {:?}, expected {:?}, got {} and {}",
-                     $path1, $path2, $eq, hash(path1), hash(path2));
-
-             let starts_with = path1.starts_with(path2);
-             assert!(starts_with == $starts_with,
-                     "{:?}.starts_with({:?}), expected {:?}, got {:?}", $path1, $path2,
-                     $starts_with, starts_with);
-
-             let ends_with = path1.ends_with(path2);
-             assert!(ends_with == $ends_with,
-                     "{:?}.ends_with({:?}), expected {:?}, got {:?}", $path1, $path2,
-                     $ends_with, ends_with);
-
-             let relative_from = path1.strip_prefix(path2)
-                                      .map(|p| p.to_str().unwrap())
-                                      .ok();
-             let exp: Option<&str> = $relative_from;
-             assert!(relative_from == exp,
-                     "{:?}.strip_prefix({:?}), expected {:?}, got {:?}",
-                     $path1, $path2, exp, relative_from);
-        });
-    );
-
-    tc!("", "",
-    eq: true,
-    starts_with: true,
-    ends_with: true,
-    relative_from: Some("")
-    );
-
-    tc!("foo", "",
-    eq: false,
-    starts_with: true,
-    ends_with: true,
-    relative_from: Some("foo")
-    );
-
-    tc!("", "foo",
-    eq: false,
-    starts_with: false,
-    ends_with: false,
-    relative_from: None
-    );
-
-    tc!("foo", "foo",
-    eq: true,
-    starts_with: true,
-    ends_with: true,
-    relative_from: Some("")
-    );
-
-    tc!("foo/", "foo",
-    eq: true,
-    starts_with: true,
-    ends_with: true,
-    relative_from: Some("")
-    );
-
-    tc!("foo//", "foo",
-    eq: true,
-    starts_with: true,
-    ends_with: true,
-    relative_from: Some("")
-    );
-
-    tc!("foo///", "foo",
-    eq: true,
-    starts_with: true,
-    ends_with: true,
-    relative_from: Some("")
-    );
-
-    tc!("foo/.", "foo",
-    eq: true,
-    starts_with: true,
-    ends_with: true,
-    relative_from: Some("")
-    );
-
-    tc!("foo/./bar", "foo/bar",
-    eq: true,
-    starts_with: true,
-    ends_with: true,
-    relative_from: Some("")
-    );
-
-    tc!("foo/.//bar", "foo/bar",
-    eq: true,
-    starts_with: true,
-    ends_with: true,
-    relative_from: Some("")
-    );
-
-    tc!("foo//./bar", "foo/bar",
-    eq: true,
-    starts_with: true,
-    ends_with: true,
-    relative_from: Some("")
-    );
-
-    tc!("foo/bar", "foo",
-    eq: false,
-    starts_with: true,
-    ends_with: false,
-    relative_from: Some("bar")
-    );
-
-    tc!("foo/bar", "foobar",
-    eq: false,
-    starts_with: false,
-    ends_with: false,
-    relative_from: None
-    );
-
-    tc!("foo/bar/baz", "foo/bar",
-    eq: false,
-    starts_with: true,
-    ends_with: false,
-    relative_from: Some("baz")
-    );
-
-    tc!("foo/bar", "foo/bar/baz",
-    eq: false,
-    starts_with: false,
-    ends_with: false,
-    relative_from: None
-    );
-
-    tc!("./foo/bar/", ".",
-    eq: false,
-    starts_with: true,
-    ends_with: false,
-    relative_from: Some("foo/bar")
-    );
-
-    if cfg!(windows) {
-        tc!(r"C:\src\rust\cargo-test\test\Cargo.toml",
-        r"c:\src\rust\cargo-test\test",
-        eq: false,
-        starts_with: true,
-        ends_with: false,
-        relative_from: Some("Cargo.toml")
-        );
-
-        tc!(r"c:\foo", r"C:\foo",
-        eq: true,
-        starts_with: true,
-        ends_with: true,
-        relative_from: Some("")
-        );
-
-        tc!(r"C:\foo\.\bar.txt", r"C:\foo\bar.txt",
-        eq: true,
-        starts_with: true,
-        ends_with: true,
-        relative_from: Some("")
-        );
-
-        tc!(r"C:\foo\.", r"C:\foo",
-        eq: true,
-        starts_with: true,
-        ends_with: true,
-        relative_from: Some("")
-        );
-
-        tc!(r"\\?\C:\foo\.\bar.txt", r"\\?\C:\foo\bar.txt",
-        eq: false,
-        starts_with: false,
-        ends_with: false,
-        relative_from: None
-        );
-    }
-}
-
-#[test]
-fn test_components_debug() {
-    let path = Path::new("/tmp");
-
-    let mut components = path.components();
-
-    let expected = "Components([RootDir, Normal(\"tmp\")])";
-    let actual = format!("{components:?}");
-    assert_eq!(expected, actual);
-
-    let _ = components.next().unwrap();
-    let expected = "Components([Normal(\"tmp\")])";
-    let actual = format!("{components:?}");
-    assert_eq!(expected, actual);
-
-    let _ = components.next().unwrap();
-    let expected = "Components([])";
-    let actual = format!("{components:?}");
-    assert_eq!(expected, actual);
-}
-
-#[cfg(any(unix, target_os = "wasi"))]
-#[test]
-fn test_iter_debug() {
-    let path = Path::new("/tmp");
-
-    let mut iter = path.iter();
-
-    let expected = "Iter([\"/\", \"tmp\"])";
-    let actual = format!("{iter:?}");
-    assert_eq!(expected, actual);
-
-    let _ = iter.next().unwrap();
-    let expected = "Iter([\"tmp\"])";
-    let actual = format!("{iter:?}");
-    assert_eq!(expected, actual);
-
-    let _ = iter.next().unwrap();
-    let expected = "Iter([])";
-    let actual = format!("{iter:?}");
-    assert_eq!(expected, actual);
-}
-
-#[test]
-fn into_boxed() {
-    let orig: &str = "some/sort/of/path";
-    let path = Path::new(orig);
-    let boxed: Box<Path> = Box::from(path);
-    let path_buf = path.to_owned().into_boxed_path().into_path_buf();
-    assert_eq!(path, &*boxed);
-    assert_eq!(&*boxed, &*path_buf);
-    assert_eq!(&*path_buf, path);
-}
-
-#[test]
-fn test_clone_into() {
-    let mut path_buf = PathBuf::from("supercalifragilisticexpialidocious");
-    let path = Path::new("short");
-    path.clone_into(&mut path_buf);
-    assert_eq!(path, path_buf);
-    assert!(path_buf.into_os_string().capacity() >= 15);
-}
-
-#[test]
-fn display_format_flags() {
-    assert_eq!(format!("a{:#<5}b", Path::new("").display()), "a#####b");
-    assert_eq!(format!("a{:#<5}b", Path::new("a").display()), "aa####b");
-}
-
-#[test]
-fn into_rc() {
-    let orig = "hello/world";
-    let path = Path::new(orig);
-    let rc: Rc<Path> = Rc::from(path);
-    let arc: Arc<Path> = Arc::from(path);
-
-    assert_eq!(&*rc, path);
-    assert_eq!(&*arc, path);
-
-    let rc2: Rc<Path> = Rc::from(path.to_owned());
-    let arc2: Arc<Path> = Arc::from(path.to_owned());
-
-    assert_eq!(&*rc2, path);
-    assert_eq!(&*arc2, path);
-}
-
-#[test]
-fn test_ord() {
-    macro_rules! ord(
-        ($ord:ident, $left:expr, $right:expr) => ({
-            use core::cmp::Ordering;
-
-            let left = Path::new($left);
-            let right = Path::new($right);
-            assert_eq!(left.cmp(&right), Ordering::$ord);
-            if (core::cmp::Ordering::$ord == Ordering::Equal) {
-                assert_eq!(left, right);
-
-                let mut hasher = DefaultHasher::new();
-                left.hash(&mut hasher);
-                let left_hash = hasher.finish();
-                hasher = DefaultHasher::new();
-                right.hash(&mut hasher);
-                let right_hash = hasher.finish();
-
-                assert_eq!(left_hash, right_hash, "hashes for {:?} and {:?} must match", left, right);
-            } else {
-                assert_ne!(left, right);
-            }
-        });
-    );
-
-    ord!(Less, "1", "2");
-    ord!(Less, "/foo/bar", "/foo./bar");
-    ord!(Less, "foo/bar", "foo/bar.");
-    ord!(Equal, "foo/./bar", "foo/bar/");
-    ord!(Equal, "foo/bar", "foo/bar/");
-    ord!(Equal, "foo/bar", "foo/bar/.");
-    ord!(Equal, "foo/bar", "foo/bar//");
-}
-
-#[test]
-#[cfg(any(unix, target_os = "wasi"))]
-fn test_unix_absolute() {
-    use crate::path::absolute;
-
-    assert!(absolute("").is_err());
-
-    let relative = "a/b";
-    let mut expected = crate::env::current_dir().unwrap();
-    expected.push(relative);
-    assert_eq!(absolute(relative).unwrap().as_os_str(), expected.as_os_str());
-
-    // Test how components are collected.
-    assert_eq!(absolute("/a/b/c").unwrap().as_os_str(), Path::new("/a/b/c").as_os_str());
-    assert_eq!(absolute("/a//b/c").unwrap().as_os_str(), Path::new("/a/b/c").as_os_str());
-    assert_eq!(absolute("//a/b/c").unwrap().as_os_str(), Path::new("//a/b/c").as_os_str());
-    assert_eq!(absolute("///a/b/c").unwrap().as_os_str(), Path::new("/a/b/c").as_os_str());
-    assert_eq!(absolute("/a/b/c/").unwrap().as_os_str(), Path::new("/a/b/c/").as_os_str());
-    assert_eq!(
-        absolute("/a/./b/../c/.././..").unwrap().as_os_str(),
-        Path::new("/a/b/../c/../..").as_os_str()
-    );
-
-    // Test leading `.` and `..` components
-    let curdir = crate::env::current_dir().unwrap();
-    assert_eq!(absolute("./a").unwrap().as_os_str(), curdir.join("a").as_os_str());
-    assert_eq!(absolute("../a").unwrap().as_os_str(), curdir.join("../a").as_os_str()); // return /pwd/../a
-}
-
-#[test]
-#[cfg(windows)]
-fn test_windows_absolute() {
-    use crate::path::absolute;
-    // An empty path is an error.
-    assert!(absolute("").is_err());
-
-    let relative = r"a\b";
-    let mut expected = crate::env::current_dir().unwrap();
-    expected.push(relative);
-    assert_eq!(absolute(relative).unwrap().as_os_str(), expected.as_os_str());
-
-    macro_rules! unchanged(
-        ($path:expr) => {
-            assert_eq!(absolute($path).unwrap().as_os_str(), Path::new($path).as_os_str());
-        }
-    );
-
-    unchanged!(r"C:\path\to\file");
-    unchanged!(r"C:\path\to\file\");
-    unchanged!(r"\\server\share\to\file");
-    unchanged!(r"\\server.\share.\to\file");
-    unchanged!(r"\\.\PIPE\name");
-    unchanged!(r"\\.\C:\path\to\COM1");
-    unchanged!(r"\\?\C:\path\to\file");
-    unchanged!(r"\\?\UNC\server\share\to\file");
-    unchanged!(r"\\?\PIPE\name");
-    // Verbatim paths are always unchanged, no matter what.
-    unchanged!(r"\\?\path.\to/file..");
-
-    assert_eq!(
-        absolute(r"C:\path..\to.\file.").unwrap().as_os_str(),
-        Path::new(r"C:\path..\to\file").as_os_str()
-    );
-    assert_eq!(absolute(r"COM1").unwrap().as_os_str(), Path::new(r"\\.\COM1").as_os_str());
-}
-
-#[test]
-#[should_panic = "path separator"]
-fn test_extension_path_sep() {
-    let mut path = PathBuf::from("path/to/file");
-    path.set_extension("d/../../../../../etc/passwd");
-}
-
-#[test]
-#[should_panic = "path separator"]
-#[cfg(windows)]
-fn test_extension_path_sep_alternate() {
-    let mut path = PathBuf::from("path/to/file");
-    path.set_extension("d\\test");
-}
-
-#[test]
-#[cfg(not(windows))]
-fn test_extension_path_sep_alternate() {
-    let mut path = PathBuf::from("path/to/file");
-    path.set_extension("d\\test");
-    assert_eq!(path, Path::new("path/to/file.d\\test"));
-}
-
-#[bench]
-#[cfg_attr(miri, ignore)] // Miri isn't fast...
-fn bench_path_cmp_fast_path_buf_sort(b: &mut test::Bencher) {
-    let prefix = "my/home";
-    let mut paths: Vec<_> =
-        (0..1000).map(|num| PathBuf::from(prefix).join(format!("file {num}.rs"))).collect();
-
-    paths.sort();
-
-    b.iter(|| {
-        black_box(paths.as_mut_slice()).sort_unstable();
-    });
-}
-
-#[bench]
-#[cfg_attr(miri, ignore)] // Miri isn't fast...
-fn bench_path_cmp_fast_path_long(b: &mut test::Bencher) {
-    let prefix = "/my/home/is/my/castle/and/my/castle/has/a/rusty/workbench/";
-    let paths: Vec<_> =
-        (0..1000).map(|num| PathBuf::from(prefix).join(format!("file {num}.rs"))).collect();
-
-    let mut set = BTreeSet::new();
-
-    paths.iter().for_each(|p| {
-        set.insert(p.as_path());
-    });
-
-    b.iter(|| {
-        set.remove(paths[500].as_path());
-        set.insert(paths[500].as_path());
-    });
-}
-
-#[bench]
-#[cfg_attr(miri, ignore)] // Miri isn't fast...
-fn bench_path_cmp_fast_path_short(b: &mut test::Bencher) {
-    let prefix = "my/home";
-    let paths: Vec<_> =
-        (0..1000).map(|num| PathBuf::from(prefix).join(format!("file {num}.rs"))).collect();
-
-    let mut set = BTreeSet::new();
-
-    paths.iter().for_each(|p| {
-        set.insert(p.as_path());
-    });
-
-    b.iter(|| {
-        set.remove(paths[500].as_path());
-        set.insert(paths[500].as_path());
-    });
-}
-
-#[bench]
-#[cfg_attr(miri, ignore)] // Miri isn't fast...
-fn bench_path_hashset(b: &mut test::Bencher) {
-    let prefix = "/my/home/is/my/castle/and/my/castle/has/a/rusty/workbench/";
-    let paths: Vec<_> =
-        (0..1000).map(|num| PathBuf::from(prefix).join(format!("file {num}.rs"))).collect();
-
-    let mut set = HashSet::new();
-
-    paths.iter().for_each(|p| {
-        set.insert(p.as_path());
-    });
-
-    b.iter(|| {
-        set.remove(paths[500].as_path());
-        set.insert(black_box(paths[500].as_path()))
-    });
-}
-
-#[bench]
-#[cfg_attr(miri, ignore)] // Miri isn't fast...
-fn bench_path_hashset_miss(b: &mut test::Bencher) {
-    let prefix = "/my/home/is/my/castle/and/my/castle/has/a/rusty/workbench/";
-    let paths: Vec<_> =
-        (0..1000).map(|num| PathBuf::from(prefix).join(format!("file {num}.rs"))).collect();
-
-    let mut set = HashSet::new();
-
-    paths.iter().for_each(|p| {
-        set.insert(p.as_path());
-    });
-
-    let probe = PathBuf::from(prefix).join("other");
-
-    b.iter(|| set.remove(black_box(probe.as_path())));
-}
-
-#[bench]
-fn bench_hash_path_short(b: &mut test::Bencher) {
-    let mut hasher = DefaultHasher::new();
-    let path = Path::new("explorer.exe");
-
-    b.iter(|| black_box(path).hash(&mut hasher));
-
-    black_box(hasher.finish());
-}
-
-#[bench]
-fn bench_hash_path_long(b: &mut test::Bencher) {
-    let mut hasher = DefaultHasher::new();
-    let path =
-        Path::new("/aaaaa/aaaaaa/./../aaaaaaaa/bbbbbbbbbbbbb/ccccccccccc/ddddddddd/eeeeeee.fff");
-
-    b.iter(|| black_box(path).hash(&mut hasher));
-
-    black_box(hasher.finish());
-}
-
-#[test]
-fn clone_to_uninit() {
-    let a = Path::new("hello.txt");
-
-    let mut storage = vec![MaybeUninit::<u8>::uninit(); size_of_val::<Path>(a)];
-    unsafe { a.clone_to_uninit(ptr::from_mut::<[_]>(storage.as_mut_slice()).cast()) };
-    assert_eq!(a.as_os_str().as_encoded_bytes(), unsafe { storage.assume_init_ref() });
-
-    let mut b: Box<Path> = Path::new("world.exe").into();
-    assert_eq!(size_of_val::<Path>(a), size_of_val::<Path>(&b));
-    assert_ne!(a, &*b);
-    unsafe { a.clone_to_uninit(ptr::from_mut::<Path>(&mut b).cast()) };
-    assert_eq!(a, &*b);
-}