@Test
  public void testZeroLong() {
    final long pair = NumberUtils.makeIntPair(0, 0);
    Assert.assertEquals(0, NumberUtils.getFirstInt(pair));
    Assert.assertEquals(0, NumberUtils.getSecondInt(pair));
  }
Test suite for the {@link NumberUtils} class.
common/src/test/org/apache/hadoop/hive/common/TestNumberUtils.java