public void Variation_Without_Repetitions_Smoke_Test()
{
var input = "".ToCharArray().ToList();
var variations = Variation.Find <char>(input, 2, false);
Assert.AreEqual(combination(input.Count, 2) * factorial(2), variations.Count);
input = "cookie".ToCharArray().ToList();
variations = Variation.Find <char>(input, 3, false);
Assert.AreEqual(combination(input.Count, 3) * factorial(3), variations.Count);
input = "monsters".ToCharArray().ToList();
variations = Variation.Find <char>(input, 3, false);
Assert.AreEqual(combination(input.Count, 3) * factorial(3), variations.Count);
}
public void Variation_With_Repetitions_Smoke_Test()
{
var input = "abcd".ToCharArray().ToList();
var variations = Variation.Find <char>(input, 2, true);
Assert.AreEqual(combination(input.Count + 2 - 1, 2) * factorial(2), variations.Count);
input = "scan".ToCharArray().ToList();
variations = Variation.Find <char>(input, 3, true);
Assert.AreEqual(combination(input.Count + 3 - 1, 3) * factorial(3), variations.Count);
input = "".ToCharArray().ToList();
variations = Variation.Find <char>(input, 3, true);
Assert.AreEqual(0, variations.Count);
}
public void Variation_With_Repetitions_Smoke_Test()
{
var input = "abcd".ToCharArray().ToList();
var variations = Variation.Find <char>(input, 2, true);
Assert.AreEqual(Math.Pow(input.Count, 2), variations.Count);
input = "scan".ToCharArray().ToList();
variations = Variation.Find <char>(input, 3, true);
Assert.AreEqual(Math.Pow(input.Count, 3), variations.Count);
input = "".ToCharArray().ToList();
variations = Variation.Find <char>(input, 3, true);
Assert.AreEqual(0, variations.Count);
}