@Test
  public void testMinLongMinLong () throws HiveException {
    testAggregateLongAggregate(
        "min",
        2,
        Arrays.asList(new Long[]{13L,5L, Long.MIN_VALUE, (long)Integer.MIN_VALUE}),
        Long.MIN_VALUE);
  }
Unit test for the vectorized GROUP BY operator.
ql/src/test/org/apache/hadoop/hive/ql/exec/vector/TestVectorGroupByOperator.java