Arguments.of("smb://server:139/share", 139));
    }

    @ParameterizedTest(name = "parseURL: {0} -> port {1}")
    @MethodSource("portSpecs")
    void testParseURL_VariousPorts(String spec, int expectedPort) throws MalformedURLException {
        // Arrange & Act
        Handler handler = newHandler();
        URL url = new URL(null, spec, handler);

        // Assert