@Test
  public void testEquals() {
    assertNotEquals(one, two);
    assertNotEquals(zero, one);
    assertNotEquals(zero, two);

    assertEquals(zero, new UnsignedInt128(0));
    assertEquals(one, new UnsignedInt128(1));
    assertEquals(two, new UnsignedInt128(2));
  }
Testcases for {@link UnsignedInt128}

This code was based on code from Microsoft's PolyBase.
common/src/test/org/apache/hadoop/hive/common/type/TestUnsignedInt128.java