public void SqureNumberShouldOutputCorrectValues()
{
var cpu = new Cpu32(4);
var motherboardMock = new Mock<IMotherboard>();
motherboardMock.Setup(x => x.LoadRamValue()).Returns(123);
cpu.AttachTo(motherboardMock.Object);
cpu.SquareNumber();
motherboardMock.Verify(x => x.DrawOnVideoCard(
It.Is<string>(param => param.Contains("15129"))));
}
public void SquareNumberShouldDrawErrorMessageWhenValueIsLessThanZero()
{
var cpu = new Cpu32(4);
var motherboardMock = new Mock<IMotherboard>();
motherboardMock.Setup(x => x.LoadRamValue()).Returns(-1);
cpu.AttachTo(motherboardMock.Object);
cpu.SquareNumber();
motherboardMock.Verify(x => x.DrawOnVideoCard(
It.Is<string>(param => param == Cpu.NumberTooLowMessage)));
}
public void TestSquareNumber_PassHigherNumber_ShouldReturnCorrectString(int number)
{
var mockedMotherboard = new Mock<IMotherboard>();
var cpu = new Cpu32(8);
cpu.AttachToMotherboard(mockedMotherboard.Object);
mockedMotherboard.Setup(x => x.LoadRamValue()).Returns(number);
cpu.SquareNumber();
mockedMotherboard.Verify(x => x.DrawOnVideoCard(GlobalConstants.NumberTooHighMessage), Times.Once);
}
public void TestSquareNumber_PassCorrectNumber_ShouldReturnCorrectString(int number)
{
var mockedMotherboard = new Mock<IMotherboard>();
var cpu = new Cpu32(8);
cpu.AttachToMotherboard(mockedMotherboard.Object);
mockedMotherboard.Setup(x => x.LoadRamValue()).Returns(number);
var expectedString = $"Square of {number} is {number * number}.";
cpu.SquareNumber();
mockedMotherboard.Verify(x => x.DrawOnVideoCard(expectedString), Times.Once);
}