@Test
public void testGetPasswordChars() {

    char [] emptyValue = new char[0];
    char [] passValue = {'p', 'a', 's', 's'};
    assertEquals(emptyValue, ZTSUtils.getPasswordChars(null));
    assertEquals(emptyValue, ZTSUtils.getPasswordChars(""));
    assertEquals(passValue, ZTSUtils.getPasswordChars("pass"));
}