@Before
  public void setUp() throws Exception {
    zero = new UnsignedInt128(0);
    one = new UnsignedInt128(1);
    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