public void ImplementationOne_NullString_ReturnsTrue()
{
// Arrange
const bool expected = true;
const string input = null;
// Act
var actual = Question1_1.AreAllCharactersUnique(input);
// Assert
Assert.AreEqual(expected, actual);
}
public void ImplementationTwo_Duplicates_ReturnsFalse()
{
// Arrange
const bool expected = false;
const string input = "aba";
// Act
var actual = Question1_1.AreAllCharactersUniqueNoAdditionalMemory(input);
// Assert
Assert.AreEqual(expected, actual);
}
public void ImplementationTwo_CasingDifference_ReturnsTrue()
{
// Arrange
const bool expected = true;
const string input = "Aa";
// Act
var actual = Question1_1.AreAllCharactersUniqueNoAdditionalMemory(input);
// Assert
Assert.AreEqual(expected, actual);
}
public void ImplementationTwo_EmptyString_ReturnsTrue()
{
// Arrange
const bool expected = true;
var input = string.Empty;
// Act
var actual = Question1_1.AreAllCharactersUniqueNoAdditionalMemory(input);
// Assert
Assert.AreEqual(expected, actual);
}