public void TestPopOptions()
{
IFancyCalculator x = new FancyCalculator();
for (int i = 1; i <= 3; i++)
{
x.Push(i);
}
Assert.IsTrue(x.Size() == 3);
Assert.IsTrue(x.Top() == 3);
x.Pop();
Assert.IsTrue(x.Top() == 2);
for (int i = 1; i <= 3; i++)
{
x.Push(i + 3);
}
Assert.IsTrue(x.Top() == 6);
Assert.IsTrue(x.Size() == 5);
x.Pop();
Assert.IsTrue(x.Size() == 4);
x.Pop();
Assert.IsTrue(x.Size() == 3);
Assert.IsTrue(x.Top() == 4);
}
public void TestSubtract()
{
IFancyCalculator x = new FancyCalculator();
Assert.IsTrue(x.Size() == 0);
x.Push(10);
x.Push(20);
x.Push(30);
x.Push(40);
x.Subtract();
Assert.IsTrue(x.Top() == 10);
}
public void TestMultiply()
{
IFancyCalculator x = new FancyCalculator();
var calc = x.GetStack();
Assert.IsTrue(x.Size() == 0);
x.Push(10);
x.Push(20);
x.Push(30);
x.Push(40);
x.Multiply();
Assert.IsTrue(x.Top() == 1200);
x.Multiply();
Assert.IsTrue(x.Top() == 24000);
}
public void TestSize()
{
IFancyCalculator x = new FancyCalculator();
var stack = x.GetStack();
x.Push(25);
Assert.AreEqual(stack.Count, x.Size());
Assert.AreEqual(x.Size(), 1);
x.Push(25);
Assert.AreEqual(stack.Count, x.Size());
Assert.AreEqual(x.Size(), 2);
x.Push(25);
Assert.AreEqual(stack.Count, x.Size());
Assert.AreEqual(x.Size(), 3);
}