public void SquareNumberInCpu32ShouldOutputErrorMessageWhenValueIsGreaterThanMaxValue()
{
var cpu = new Cpu32(4);
var motherboardMock = new Mock<IMotherboard>();
motherboardMock.Setup(x => x.LoadRamValue()).Returns(Cpu32.MaxValue + 1);
cpu.AttachTo(motherboardMock.Object);
cpu.SquareNumber();
motherboardMock.Verify(x => x.DrawOnVideoCard(It.Is<string>(z => z == Cpu.NumberTooHighMessage)));
}
public void SquareNumberShouldOutputCorrectValues()
{
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>(z => z.Contains("15129"))));
}
public void RandShouldAlwaysReturnRandomNumbers()
{
var hashSet = new HashSet<int>();
var cpu = new Cpu32(2);
var motherboardMock = new Mock<IMotherboard>();
cpu.AttachTo(motherboardMock.Object);
motherboardMock.Setup(x => x.SaveRamValue(It.IsAny<int>()))
.Callback<int>(z => hashSet.Add(z));
for (int i = 0; i < 10000; i++)
{
cpu.Rand(1, 10);
}
Assert.AreEqual(10, hashSet.Count);
}
public void RandShouldNotProduceNumbersGreaterThanMaxValue()
{
var cpu = new Cpu32(2);
var motherboardMock = new Mock<IMotherboard>();
cpu.AttachTo(motherboardMock.Object);
var globalMax = int.MinValue;
motherboardMock.Setup(x => x.SaveRamValue(It.IsAny<int>()))
.Callback<int>(z => globalMax = Math.Max(globalMax, z));
for (int i = 0; i < 10000; i++)
{
cpu.Rand(1, 10);
}
Assert.AreEqual(10, globalMax);
}
