public void TestAcknoledgeInterruptionWhenNoRequests()
{
InterruptionController controller = new InterruptionController();
byte noAckIrq = 255;
Assert.AreEqual(noAckIrq, controller.AcknowledgeInterruption());
}
public void TestAcknolegdeInterruptionAfterMakeInterruption()
{
InterruptionController controller = new InterruptionController();
byte irq = 3;
controller.MakeInterruption(irq);
Assert.AreEqual(irq, controller.AcknowledgeInterruption());
}
public void TestHasNoInterruptionAfterAcknowledgeWhenSingle()
{
InterruptionController controller = new InterruptionController();
byte irq = 3;
controller.MakeInterruption(irq);
controller.AcknowledgeInterruption();
Assert.IsFalse(controller.HasInterruptionRequests());
}
public void TestHasInterruptionAfterAcknowledgeWhenMultiple()
{
InterruptionController controller = new InterruptionController();
byte irq = 3;
byte irq2 = 4;
controller.MakeInterruption(irq);
controller.MakeInterruption(irq2);
controller.AcknowledgeInterruption();
Assert.IsTrue(controller.HasInterruptionRequests());
}