}
@Test
public void testTokenizerOnStringWithoutNexToken() {
StringValue testString = new StringValue("test");
SimpleStringUtils.WhitespaceTokenizer tokenizer = new WhitespaceTokenizer();
tokenizer.setStringToTokenize(testString);
//first token
tokenizer.next(testString);
//next token is not exist
assertFalse(tokenizer.next(testString));
}