public void Find_A_Repeating_Word_Despite_Case()
{
string testString = "Here is a string. It has the word here twice.";
string actual = RepeatedWord.RepeatWord(testString);
string expected = "here";
Assert.Equal(expected, actual);
}
public void Successfully_Return_The_First_Repeated_Word()
{
string input = "Once upon a time, there was a brave princess who";
string actual = RepeatedWord.RepeatWord(input);
string expected = "a";
Assert.Equal(expected, actual);
}
public void Return_Null_If_Input_String_Is_Empty()
{
string input = "";
Assert.Null(RepeatedWord.RepeatWord(input));
}
public void Reutrn_Null_If_There_Are_No_Repeats()
{
string input = "There are no repeats in this sentence.";
Assert.Null(RepeatedWord.RepeatWord(input));
}