public void Top2MostFrequentWords()
{
// arrange
// Input: ["i", "love", "leetcode", "i", "love", "coding"], k = 2
string[] words = new [] { "i", "love", "leetcode", "i", "love", "coding" };
int k = 2;
List <string> expected = new List <string> {
"i", "love"
};
// act
List <string> mostFreqWords = new List <string>(TopKFrequentWords.TopKFrequent(words, k));
// assert
CollectionAssert.AreEqual(expected, mostFreqWords);
}
public void Top4MostFrequentWords()
{
// arrange
string[] words = new[] { "the", "day", "is", "sunny", "the", "the", "the", "sunny", "is", "is" };
int k = 4;
List <string> expectedWords = new List <string> {
"the", "is", "sunny", "day"
};
// act
IList <string> result = TopKFrequentWords.TopKFrequent(words, k);
List <string> mostFequentWords = new List <string>(result);
// assert
CollectionAssert.AreEqual(expectedWords, mostFequentWords);
}