@Test
  public void testDefault() {
    final TimestampParser tsp = new TimestampParser();

    Assert.assertEquals(Timestamp.valueOf("1945-12-31 23:59:59.0"),
        tsp.parseTimestamp("1945-12-31 23:59:59.0"));

    Assert.assertEquals(Timestamp.valueOf("1945-12-31 23:59:59.1234"),
        tsp.parseTimestamp("1945-12-31 23:59:59.1234"));

    Assert.assertEquals(Timestamp.valueOf("1970-01-01 00:00:00"),
        tsp.parseTimestamp("1970-01-01 00:00:00"));

    Assert.assertEquals(Timestamp.valueOf("1945-12-31T23:59:59"),
        tsp.parseTimestamp("1945-12-31 23:59:59"));

  }
No timestamp patterns, should default to normal timestamp format.

@see Timestamp#valueOf(String)
common/src/test/org/apache/hive/common/util/TestTimestampParser.java