private void verifyTimestamp(String tsString, TimestampColumnVector resultV, int index) {
    Assert.assertEquals(Timestamp.valueOf(tsString).toEpochMilli(), resultV.time[index]);
    Assert.assertEquals(Timestamp.valueOf(tsString).getNanos(), resultV.nanos[index]);
  }
Tests vectorized type cast udfs CastDateToStringWithFormat, CastTimestampToStringWithFormat,
CastStringToDateWithFormat, CastStringToTimestampWithFormat.
ql/src/test/org/apache/hadoop/hive/ql/exec/vector/expressions/TestVectorTypeCastsWithFormat.java