}
@Test
public void testCreateLabelToStateMap1() // test with empty data
{
assertTrue(createLabelToStateMap(new LinkedList<String>(), new StringVertex("junk"), null).isEmpty());
Map<String,CmpVertex> map = new HashMap<String,CmpVertex>();
assertSame(map,createLabelToStateMap(new LinkedList<String>(), new StringVertex("junk"), map));assertTrue(map.isEmpty());
}