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-rw-r--r--library/std/src/path/tests.rs1873
1 files changed, 1873 insertions, 0 deletions
diff --git a/library/std/src/path/tests.rs b/library/std/src/path/tests.rs
new file mode 100644
index 000000000..351cf6988
--- /dev/null
+++ b/library/std/src/path/tests.rs
@@ -0,0 +1,1873 @@
+use super::*;
+
+use crate::collections::hash_map::DefaultHasher;
+use crate::collections::{BTreeSet, HashSet};
+use crate::hash::Hasher;
+use crate::rc::Rc;
+use crate::sync::Arc;
+use core::hint::black_box;
+
+#[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]
+#[cfg(unix)]
+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!(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, $expected,
+ p.to_str().unwrap());
+ });
+ );
+
+ tfn!("foo", "foo", "foo");
+ tfn!("foo", "bar", "bar");
+ tfn!("foo", "", "");
+ tfn!("", "foo", "foo");
+ if cfg!(unix) || cfg!(all(target_env = "sgx", target_vendor = "fortanix")) {
+ tfn!(".", "foo", "./foo");
+ tfn!("foo/", "bar", "bar");
+ tfn!("foo/.", "bar", "bar");
+ tfn!("..", "foo", "../foo");
+ tfn!("foo/..", "bar", "foo/../bar");
+ tfn!("/", "foo", "/foo");
+ } else {
+ tfn!(".", "foo", r".\foo");
+ tfn!(r"foo\", "bar", r"bar");
+ tfn!(r"foo\.", "bar", r"bar");
+ tfn!("..", "foo", r"..\foo");
+ tfn!(r"foo\..", "bar", r"foo\..\bar");
+ tfn!(r"\", "foo", r"\foo");
+ }
+}
+
+#[test]
+pub fn test_set_extension() {
+ macro_rules! tfe (
+ ($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, $output,
+ p.to_str().unwrap(), output);
+ });
+ );
+
+ tfe!("foo", "txt", "foo.txt", true);
+ tfe!("foo.bar", "txt", "foo.txt", true);
+ tfe!("foo.bar.baz", "txt", "foo.bar.txt", true);
+ tfe!(".test", "txt", ".test.txt", true);
+ tfe!("foo.txt", "", "foo", true);
+ tfe!("foo", "", "foo", true);
+ tfe!("", "foo", "", false);
+ tfe!(".", "foo", ".", false);
+ tfe!("foo/", "bar", "foo.bar", true);
+ tfe!("foo/.", "bar", "foo.bar", true);
+ tfe!("..", "foo", "..", false);
+ tfe!("foo/..", "bar", "foo/..", false);
+ tfe!("/", "foo", "/", false);
+}
+
+#[test]
+fn test_eq_receivers() {
+ use crate::borrow::Cow;
+
+ let borrowed: &Path = Path::new("foo/bar");
+ let mut owned: PathBuf = PathBuf::new();
+ owned.push("foo");
+ owned.push("bar");
+ let borrowed_cow: Cow<'_, Path> = borrowed.into();
+ let owned_cow: Cow<'_, Path> = owned.clone().into();
+
+ macro_rules! t {
+ ($($current:expr),+) => {
+ $(
+ assert_eq!($current, borrowed);
+ assert_eq!($current, owned);
+ assert_eq!($current, borrowed_cow);
+ assert_eq!($current, owned_cow);
+ )+
+ }
+ }
+
+ t!(borrowed, owned, borrowed_cow, owned_cow);
+}
+
+#[test]
+pub fn test_compare() {
+ use crate::collections::hash_map::DefaultHasher;
+ use crate::hash::{Hash, Hasher};
+
+ fn hash<T: Hash>(t: T) -> u64 {
+ let mut s = DefaultHasher::new();
+ t.hash(&mut s);
+ s.finish()
+ }
+
+ macro_rules! tc (
+ ($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/./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/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(unix)]
+#[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(unix)]
+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());
+}
+
+#[bench]
+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]
+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]
+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]
+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]
+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());
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 05:15:15 +0000