public void IsMutation_TwoWordsDifferInLength_ReturnsFalse()
{
MutationChecker checker = new MutationChecker();
bool result = checker.IsMutation("asdf", "jkl");
Assert.That(result, Is.False);
}
public void IsMutation_MoreThanOneCharacterDiffers_ReturnsFalse()
{
MutationChecker checker = new MutationChecker();
bool result = checker.IsMutation("eins", "eimß");
Assert.That(result, Is.False);
}
public void IsMutation_TwoEqualWords_ReturnsFalse()
{
MutationChecker checker = new MutationChecker();
bool result = checker.IsMutation("eins", "eins");
Assert.That(result, Is.False);
}
public void IsMutation_IsValidMutation_ReturnsTrue()
{
MutationChecker checker = new MutationChecker();
bool result = checker.IsMutation("cog", "cot");
Assert.That(result, Is.True);
}
public void GetAllMutations_ForDictionaryWithTenElementsAndThreeValidMutations_ReturnThreeElements()
{
var checker = new MutationChecker();
MutationFinder finder = new MutationFinder(checker);
var sourceDict = new List<string> { "cot", "bat", "fat", "aaa", "bbb", "ccc", "ddd", "eee", "fff", "xxx" };
List<string> result = finder.GetAllMutations("cat", sourceDict);
Assert.That(result.Count, Is.EqualTo(3));
}