@Test
public void testTwoPartSplit() {

    Assert.assertArrayEquals(TStringUtil.twoPartSplit("abc:bc:bc", ":"), new String[] { "abc", "bc:bc" });
    Assert.assertArrayEquals(TStringUtil.twoPartSplit(null, "a"), new String[] { null });
    Assert.assertArrayEquals(TStringUtil.twoPartSplit("abc:bc", "d"), new String[] { "abc:bc" });
    Assert.assertArrayEquals(TStringUtil.twoPartSplit("abc:bc", ";"), new String[] { "abc:bc" });
}