stat.type == FileType.RegularFile
        assertSameLastModified(stat, fileInDir)
        stat.length == 0
        assertSameAccessType(stat, DIRECT)

        cleanup:
        unreadableDir.makeReadable()
    }

    @Requires(UnitTestPreconditions.FilePermissions)
    def "stat an unreadable file"() {
        def unreadableFile = tmpDir.createFile("unreadable")
        unreadableFile.makeUnreadable()

    public TestFile makeUnreadable() {
        boolean success = setReadable(false, false);
        assert success;
        assert !Files.isReadable(toPath());
        return this;
    }

    public TestFile makeReadable() {
        boolean success = setReadable(true, false);
        assert success;
        assert Files.isReadable(toPath());
        return this;
    }

    public TestFile createFile(Object path) {