@Test
public void postPadString() {

    assertEquals("Hello", Tools.postPadString("Hello", 0));
    assertEquals("Hello", Tools.postPadString("Hello", 5));
    assertEquals("Hello ", Tools.postPadString("Hello", 6));
    assertEquals("Hello  ", Tools.postPadString("Hello", 7));
    assertEquals("Hello       ", Tools.postPadString("Hello", 12));
}