@Test
public void testPad() {

    Assert.assertEquals("001", StroomFileNameUtil.getIdPath(1));
    Assert.assertEquals("999", StroomFileNameUtil.getIdPath(999));
    Assert.assertEquals("001/001000", StroomFileNameUtil.getIdPath(1000));
    Assert.assertEquals("001/001999", StroomFileNameUtil.getIdPath(1999));
    Assert.assertEquals("009/111/009111999", StroomFileNameUtil.getIdPath(9111999));
}