fn prefix_matches()

in src/path/mod.rs [473:522]

• 37 lines of code
• 1 McCabe index (conditional complexity)

    fn prefix_matches() {
        let haystack = Path::from_iter(["foo/bar", "baz%2Ftest", "something"]);
        // self starts with self
        assert!(
            haystack.prefix_matches(&haystack),
            "{haystack:?} should have started with {haystack:?}"
        );

        // a longer prefix doesn't match
        let needle = haystack.child("longer now");
        assert!(
            !haystack.prefix_matches(&needle),
            "{haystack:?} shouldn't have started with {needle:?}"
        );

        // one dir prefix matches
        let needle = Path::from_iter(["foo/bar"]);
        assert!(
            haystack.prefix_matches(&needle),
            "{haystack:?} should have started with {needle:?}"
        );

        // two dir prefix matches
        let needle = needle.child("baz%2Ftest");
        assert!(
            haystack.prefix_matches(&needle),
            "{haystack:?} should have started with {needle:?}"
        );

        // partial dir prefix doesn't match
        let needle = Path::from_iter(["f"]);
        assert!(
            !haystack.prefix_matches(&needle),
            "{haystack:?} should not have started with {needle:?}"
        );

        // one dir and one partial dir doesn't match
        let needle = Path::from_iter(["foo/bar", "baz"]);
        assert!(
            !haystack.prefix_matches(&needle),
            "{haystack:?} should not have started with {needle:?}"
        );

        // empty prefix matches
        let needle = Path::from("");
        assert!(
            haystack.prefix_matches(&needle),
            "{haystack:?} should have started with {needle:?}"
        );
    }