use bstr::ByteSlice;
use gix_path::{to_unix_separators, to_windows_separators};

#[test]
fn assure_unix_separators() {
    assert_eq!(to_unix_separators(b"no-backslash".as_bstr()).as_bstr(), "no-backslash");

    assert_eq!(to_unix_separators(b"\\a\\b\\\\".as_bstr()).as_bstr(), "/a/b//");
}

#[test]
fn assure_windows_separators() {
    assert_eq!(
        to_windows_separators(b"no-backslash".as_bstr()).as_bstr(),
        "no-backslash"
    );

    assert_eq!(to_windows_separators(b"/a/b//".as_bstr()).as_bstr(), "\\a\\b\\\\");
}

mod normalize;

mod join_bstr_unix_pathsep {
    use bstr::BStr;
    use gix_path::join_bstr_unix_pathsep;

    fn b(s: &str) -> &BStr {
        s.into()
    }

    #[test]
    fn typical_with_double_slash_avoidance() {
        assert_eq!(join_bstr_unix_pathsep(b("base"), "path"), b("base/path"));
        assert_eq!(
            join_bstr_unix_pathsep(b("base/"), "path"),
            b("base/path"),
            "no double slashes"
        );
        assert_eq!(join_bstr_unix_pathsep(b("/base"), "path"), b("/base/path"));
        assert_eq!(join_bstr_unix_pathsep(b("/base/"), "path"), b("/base/path"));
    }
    #[test]
    fn relative_base_or_path_are_nothing_special() {
        assert_eq!(join_bstr_unix_pathsep(b("base"), "."), b("base/."));
        assert_eq!(join_bstr_unix_pathsep(b("base"), ".."), b("base/.."));
        assert_eq!(join_bstr_unix_pathsep(b("base"), "../dir"), b("base/../dir"));
    }
    #[test]
    fn absolute_path_produces_double_slashes() {
        assert_eq!(join_bstr_unix_pathsep(b("/base"), "/root"), b("/base//root"));
        assert_eq!(join_bstr_unix_pathsep(b("base/"), "/root"), b("base//root"));
    }
    #[test]
    fn empty_path_makes_base_end_with_a_slash() {
        assert_eq!(join_bstr_unix_pathsep(b("base"), ""), b("base/"));
        assert_eq!(join_bstr_unix_pathsep(b("base/"), ""), b("base/"));
    }
    #[test]
    fn empty_base_leaves_everything_untouched() {
        assert_eq!(join_bstr_unix_pathsep(b(""), ""), b(""));
        assert_eq!(join_bstr_unix_pathsep(b(""), "hi"), b("hi"));
        assert_eq!(join_bstr_unix_pathsep(b(""), "/hi"), b("/hi"));
    }
}