public void DiffTests() //Should fail, as fileRead should handle invalid file names
{
List <List <string[]> > contents = new List <List <string[]> >();
List <List <string[]> > invalidContents = new List <List <string[]> >();
contents = FileRead.Read("test1.txt", "test2.txt");
invalidContents = FileRead.Read("notA.txt", "realFile.txt");
Assert.ThrowsException <System.Exception>(() => Diff.Difference(contents));
Assert.ThrowsException <System.Exception>(() => Diff.Difference(invalidContents));
}
