@Test
	public void testTeens()
	{
		//Test every value in Teen.
		ArrayList<String> words = new ArrayList<String>();
		Map<String, Integer> teenValues = TokenType.TEEN.getValues();

		words.add("");
	    for(Map.Entry<String,Integer> entry : teenValues.entrySet())
	    {
	    	EnglishNumber number = new EnglishNumber();
	    	assertNotNull(number);
	    	words.set(0, entry.getKey());
	        assertTrue(number.initialize(words));
	        assertEquals(10+entry.getValue(), number.toInt());
	    }
	}