public void ThrowsGivenInputIsContainsInvalidCharacters()
{
const string invalidCharacter = "!";
Caesar caesar = makeCeasar();
caesar.Encode(invalidCharacter, 53);
}
public void ReturnsStringWithRot0()
{
Caesar caesar = makeCeasar();
Assert.AreEqual("A", caesar.Encode("A", 0));
}
public void ReturnsWrappedCharacterGivenCharacterWrapsMultipleTimes()
{
Caesar caesar = makeCeasar();
Assert.AreEqual("B", caesar.Encode("A", 53));
}
public void ReturnsWrappedCharacterGivenNegativeOffsetForInputExceedsCharacterSet()
{
Caesar caesar = makeCeasar();
Assert.AreEqual("Z", caesar.Encode("A", -1));
}
public void ReturnsInputWithTwoCharactersWithOffsetOfOne()
{
Caesar caesar = makeCeasar();
Assert.AreEqual("BC", caesar.Encode("AB", 1));
}
public void ReturnsUpperCaseInput()
{
Caesar caesar = makeCeasar();
Assert.AreEqual("A", caesar.Encode("a", 0));
}