// check unequal values
Assert.assertTrue(t1.compareIntAttribute(t1, 0, 1) < 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 1, 0) > 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 1, 2) < 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 2, 1) > 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 2, 3) < 0);
// check negative values
Assert.assertTrue(t1.compareIntAttribute(t1, 0, 4) > 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 4, 0) < 0);
Assert.assertTrue(t1.compareIntAttribute(t1, 4, 5) > 0);