Assert.assertTrue(vertex.containsUserDatumKey(JUConstants.ORIGSTATE));
Assert.assertTrue(vertex.containsUserDatumKey(JUConstants.DEPTH));
vertex.setAccept(true);vertex.setHighlight(false);vertex.setColour(null);vertex.setOrigState(null);vertex.setDepth(JUConstants.intUNKNOWN);
Assert.assertTrue(vertex.containsUserDatumKey(JUConstants.LABEL));
Assert.assertTrue(vertex.containsUserDatumKey(JUConstants.ACCEPTED));
Assert.assertFalse(vertex.containsUserDatumKey(JUConstants.HIGHLIGHT));
Assert.assertFalse(vertex.containsUserDatumKey(JUConstants.COLOUR));
Assert.assertFalse(vertex.containsUserDatumKey(JUConstants.ORIGSTATE));
Assert.assertFalse(vertex.containsUserDatumKey(JUConstants.DEPTH));
}