BinIndex b0 = new BinIndex(0, 0); BinIndex b1 = new BinIndex(1, 0); Assert.assertTrue(-1 == b0.compareTo(b1)); Assert.assertTrue(1 == b1.compareTo(b0)); Assert.assertTrue(-1 == b0.compareTo(b1)); Assert.assertTrue(1 == b1.compareTo(b0)); Assert.assertTrue(0 == b0.compareTo(b1)); Assert.assertTrue(0 == b1.compareTo(b0));