@Test(dataProvider = "getSentenceWithWhiteSpace")
public void sentenceShouldBeSplittedWithWhitespace(String sentence) {

  String[] rets = WordSplit.splitSentence(sentence);
  assertEquals(ANY_WORDS.length, rets.length);
  for (int i = 0; i < rets.length; i++) {
    assertEquals(ANY_WORDS[i], rets[i]);
  }
}