public void LetterCombinationsTest_WithNine()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("9");
Assert.AreEqual(4, result.Count);
Assert.IsTrue(result.Contains("w"));
Assert.IsTrue(result.Contains("x"));
Assert.IsTrue(result.Contains("y"));
Assert.IsTrue(result.Contains("z"));
result = solution.LetterCombinations("29");
Assert.AreEqual(12, result.Count);
Assert.IsTrue(result.Contains("aw"));
Assert.IsTrue(result.Contains("ax"));
Assert.IsTrue(result.Contains("ay"));
Assert.IsTrue(result.Contains("az"));
Assert.IsTrue(result.Contains("bw"));
Assert.IsTrue(result.Contains("bx"));
Assert.IsTrue(result.Contains("by"));
Assert.IsTrue(result.Contains("bz"));
Assert.IsTrue(result.Contains("cw"));
Assert.IsTrue(result.Contains("cx"));
Assert.IsTrue(result.Contains("cy"));
Assert.IsTrue(result.Contains("cz"));
}
public void LetterCombinationsTest_WithInvalidChar()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("29A");
Assert.AreEqual(0, result.Count);
result = solution.LetterCombinations("a29");
Assert.AreEqual(0, result.Count);
}
public void LetterCombinationsTest_WithInvalidChar()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("29A");
Assert.AreEqual(0, result.Count);
result = solution.LetterCombinations("a29");
Assert.AreEqual(0, result.Count);
}
public void LetterCombinationsTest_EmptyString()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("");
Assert.AreEqual(0, result.Count);
}
public void LetterCombinationsTest_2()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("234");
Assert.AreEqual(27, result.Count);
}
public void LetterCombinationsTest_WithNine()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("9");
Assert.AreEqual(4, result.Count);
Assert.IsTrue(result.Contains("w"));
Assert.IsTrue(result.Contains("x"));
Assert.IsTrue(result.Contains("y"));
Assert.IsTrue(result.Contains("z"));
result = solution.LetterCombinations("29");
Assert.AreEqual(12, result.Count);
Assert.IsTrue(result.Contains("aw"));
Assert.IsTrue(result.Contains("ax"));
Assert.IsTrue(result.Contains("ay"));
Assert.IsTrue(result.Contains("az"));
Assert.IsTrue(result.Contains("bw"));
Assert.IsTrue(result.Contains("bx"));
Assert.IsTrue(result.Contains("by"));
Assert.IsTrue(result.Contains("bz"));
Assert.IsTrue(result.Contains("cw"));
Assert.IsTrue(result.Contains("cx"));
Assert.IsTrue(result.Contains("cy"));
Assert.IsTrue(result.Contains("cz"));
}
public void LetterCombinationsTest_OnlyHaveOne()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("111");
Assert.AreEqual(0, result.Count);
}
public void LetterCombinationsTest_EmptyString()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("");
Assert.AreEqual(0, result.Count);
}
public void LetterCombinationsTest_2()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("234");
Assert.AreEqual(27, result.Count);
}
public void LetterCombinationsTest_OnlyHaveZero()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("0000");
Assert.AreEqual(1, result.Count);
Assert.IsTrue(result.Contains(" "));
}
public void LetterCombinationsTest_OnlyHaveOne()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("111");
Assert.AreEqual(0, result.Count);
}
public void LetterCombinationsTest_OnlyHaveZero()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("0000");
Assert.AreEqual(1, result.Count);
Assert.IsTrue(result.Contains(" "));
}
public void LetterCombinationsTest_WithZero()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("20");
Assert.AreEqual(3, result.Count);
Assert.IsTrue(result.Contains("a "));
Assert.IsTrue(result.Contains("b "));
Assert.IsTrue(result.Contains("c "));
}
public void LetterCombinationsTest_WithOne()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("21");
Assert.AreEqual(3, result.Count);
Assert.IsTrue(result.Contains("a"));
Assert.IsTrue(result.Contains("b"));
Assert.IsTrue(result.Contains("c"));
result = solution.LetterCombinations("213");
Assert.AreEqual(9, result.Count);
Assert.IsTrue(result.Contains("ad"));
Assert.IsTrue(result.Contains("ae"));
Assert.IsTrue(result.Contains("af"));
Assert.IsTrue(result.Contains("bd"));
Assert.IsTrue(result.Contains("be"));
Assert.IsTrue(result.Contains("bf"));
Assert.IsTrue(result.Contains("cd"));
Assert.IsTrue(result.Contains("ce"));
Assert.IsTrue(result.Contains("cf"));
}
public void LetterCombinationsTest()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("23");
Assert.AreEqual(9, result.Count);
Assert.IsTrue(result.Contains("ad"));
Assert.IsTrue(result.Contains("ae"));
Assert.IsTrue(result.Contains("af"));
Assert.IsTrue(result.Contains("bd"));
Assert.IsTrue(result.Contains("be"));
Assert.IsTrue(result.Contains("bf"));
Assert.IsTrue(result.Contains("cd"));
Assert.IsTrue(result.Contains("ce"));
Assert.IsTrue(result.Contains("cf"));
}
public void LetterCombinationsTest_WithSeven()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("27");
Assert.AreEqual(12, result.Count);
Assert.IsTrue(result.Contains("ap"));
Assert.IsTrue(result.Contains("aq"));
Assert.IsTrue(result.Contains("ar"));
Assert.IsTrue(result.Contains("as"));
Assert.IsTrue(result.Contains("bp"));
Assert.IsTrue(result.Contains("bq"));
Assert.IsTrue(result.Contains("br"));
Assert.IsTrue(result.Contains("bs"));
Assert.IsTrue(result.Contains("cp"));
Assert.IsTrue(result.Contains("cq"));
Assert.IsTrue(result.Contains("cr"));
Assert.IsTrue(result.Contains("cs"));
}
public void LetterCombinationsTest_WithZero()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("20");
Assert.AreEqual(3, result.Count);
Assert.IsTrue(result.Contains("a "));
Assert.IsTrue(result.Contains("b "));
Assert.IsTrue(result.Contains("c "));
}
public void LetterCombinationsTest_WithSeven()
{
var solution = new _017_LetterCombinationsOfAPhoneNumber();
var result = solution.LetterCombinations("27");
Assert.AreEqual(12, result.Count);
Assert.IsTrue(result.Contains("ap"));
Assert.IsTrue(result.Contains("aq"));
Assert.IsTrue(result.Contains("ar"));
Assert.IsTrue(result.Contains("as"));
Assert.IsTrue(result.Contains("bp"));
Assert.IsTrue(result.Contains("bq"));
Assert.IsTrue(result.Contains("br"));
Assert.IsTrue(result.Contains("bs"));
Assert.IsTrue(result.Contains("cp"));
Assert.IsTrue(result.Contains("cq"));
Assert.IsTrue(result.Contains("cr"));
Assert.IsTrue(result.Contains("cs"));
}