public void GetButton_IfButtonExist_DoesNotThrow()
{
// Arrange
SimpleT9Keypad sut = new SimpleT9Keypad();
// Act
Action act = () => sut.GetButton('e');
// Assert
act.Should().NotThrow <ArgumentException>();
}
public void GetButton_ReturnsExpectedButton()
{
// Arrange
SimpleT9Keypad sut = new SimpleT9Keypad();
// Act
IT9Button button = sut.GetButton('e');
// Assert
button.Label.Should().Be('3');
}
public void GetButton_IfButtonDoesNotExist_Throws()
{
// Arrange
SimpleT9Keypad sut = new SimpleT9Keypad();
// Act
Action act = () => sut.GetButton('*');
// Assert
act.Should().Throw <ArgumentException>()
.WithMessage("Button with given symbol '*' does not exist.");
}