public void LetterCombinations_Case2() { // Arrange var obj = new LetterCombinationsOfPhoneNumberProblem(); string digits = ""; var expected = new List <string>(); // Act var actual = obj.LetterCombinations(digits); // Assert Assert.Equal(expected, actual); }
public void LetterCombinations_Case1() { // Arrange var obj = new LetterCombinationsOfPhoneNumberProblem(); string digits = "23"; var expected = new List <string>() { "ad", "ae", "af", "bd", "be", "bf", "cd", "ce", "cf" }; // Act var actual = obj.LetterCombinations(digits); // Assert Assert.Equal(expected, actual); }