public void _3_1_ThreeStack_WithTooManyPushesTestCases_ShouldThrowException(int eachStackSize, int stackNumber)
{
ThreeStackFixedSize threeStack = new ThreeStackFixedSize(eachStackSize);
for (int i = 0; i < eachStackSize; i++)
{
threeStack.Push(stackNumber, i);
}
Assert.Throws <Exception>(() => threeStack.Push(stackNumber, 100));
}
public void _3_1_ThreeStack_withValidPeeks_ShouldReturnTopValues()
{
ThreeStackFixedSize threeStack = new ThreeStackFixedSize(2);
threeStack.Push(1, 10);
threeStack.Push(1, 20);
threeStack.Push(2, 30);
threeStack.Push(2, 40);
threeStack.Push(3, 50);
threeStack.Push(3, 60);
Assert.AreEqual(20, threeStack.Peek(1));
Assert.AreEqual(40, threeStack.Peek(2));
Assert.AreEqual(60, threeStack.Peek(3));
}
public void _3_1_ThreeStack_withManyValidPeeks_ShouldReturnTopValueEveryTime()
{
ThreeStackFixedSize threeStack = new ThreeStackFixedSize(2);
threeStack.Push(1, 10);
threeStack.Push(1, 20);
threeStack.Push(2, 30);
threeStack.Push(2, 40);
threeStack.Push(3, 50);
threeStack.Push(3, 60);
for (int i = 0; i < 100; i++)
{
Assert.AreEqual(20, threeStack.Peek(1));
}
}
public void _3_1_ThreeStack_withValidOperations_ShouldPopSuccessfully()
{
ThreeStackFixedSize threeStack = new ThreeStackFixedSize(2);
threeStack.Push(1, 10);
threeStack.Push(1, 20);
threeStack.Push(2, 30);
threeStack.Push(2, 40);
threeStack.Push(3, 50);
threeStack.Push(3, 60);
Assert.AreEqual(20, threeStack.Pop(1));
Assert.AreEqual(10, threeStack.Pop(1));
Assert.AreEqual(40, threeStack.Pop(2));
Assert.AreEqual(30, threeStack.Pop(2));
Assert.AreEqual(60, threeStack.Pop(3));
Assert.AreEqual(50, threeStack.Pop(3));
}