nextToken = tf.next(reusableToken);
assertTrue("nextToken is null and it shouldn't be", nextToken != null);
assertTrue(nextToken.term() + " is not equal to " + "c",
nextToken.term().equals("c") == true);
assertTrue(nextToken.getPositionIncrement() + " does not equal: " + 1, nextToken.getPositionIncrement() == 1);
assertTrue(nextToken.type() + " is not equal to " + WikipediaTokenizer.CATEGORY, nextToken.type().equals(WikipediaTokenizer.CATEGORY) == true);
assertTrue(nextToken.startOffset() + " does not equal: " + 15, nextToken.startOffset() == 15);
assertTrue(nextToken.endOffset() + " does not equal: " + 16, nextToken.endOffset() == 16);
nextToken = tf.next(reusableToken);
assertTrue("nextToken is null and it shouldn't be", nextToken != null);