public void TestPush()
{
IFancyCalculator x = new FancyCalculator();
var stack = x.GetStack();
x.Push(45);
Assert.IsTrue(stack.Count == 1);
Assert.IsTrue(stack.Contains(45));
}
public void TestClear()
{
IFancyCalculator x = new FancyCalculator();
var stack = x.GetStack();
x.Push(25);
x.Push(45);
Assert.IsTrue(stack.Count == 2);
x.Clear();
Assert.IsTrue(stack.Count == 0);
}
public void TestAdd()
{
IFancyCalculator x = new FancyCalculator();
var stack = x.GetStack();
Assert.IsTrue(stack.Count == 0);
x.Push(10);
x.Push(20);
x.Push(30);
x.Push(40);
x.Add();
Assert.IsTrue(x.Top() == 70);
}
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);
}
