assertOrder(X_LT_Y, "1.0.20101206.111434.1", "1.0.20101206.111435.1");
        assertOrder(X_LT_Y, "1.0.20101206.111434.2", "1.0.20101206.111434.10");
    }

    @Test
    void testDelimiters() {
        assertOrder(X_EQ_Y, "1.0", "1-0");
        assertOrder(X_EQ_Y, "1.0", "1_0");
        assertOrder(X_EQ_Y, "1.a", "1a");
    }

    @Test
    void testLeadingZerosAreSemanticallyIrrelevant() {