public void TestStack()
{
Stack <int> stdStack = new Stack <int>(); // standard queue implemented by .NET
MyStack <int> ourStack = new MyStack <int>(); // our manually implemented stack
// Test generates 100 random integers and adds to both queues
Random r = new Random();
for (int i = 0; i < 100; i++)
{
int randVal = r.Next();
stdStack.Push(randVal);
ourStack.Push(randVal);
}
// Test reading back half the added integers
for (int i = 0; i < 50; i++)
{
Assert.AreEqual(stdStack.Pop(), ourStack.Pop());
Assert.AreEqual(stdStack.Peek(), ourStack.Peek());
Assert.AreEqual(stdStack.Count, ourStack.Count());
}
// Test adding 50 more random integers
for (int i = 0; i < 50; i++)
{
int randVal = r.Next();
stdStack.Push(randVal);
ourStack.Push(randVal);
}
// Test reading back all the remaining values
for (int i = 0; i < 100; i++)
{
Assert.AreEqual(stdStack.Peek(), ourStack.Peek());
Assert.AreEqual(stdStack.Pop(), ourStack.Pop());
Assert.AreEqual(stdStack.Count, ourStack.Count());
}
}
public void Pop_Empty_Stack_Throw_Error()
{
var myStack = new MyStack();
myStack.Invoking(s => s.Pop()).Should().Throw <InvalidOperationException>();
}
public void Empty_Stack_Should_Returns_True()
{
var myStack = new MyStack();
myStack.IsEmpty().Should().BeTrue();
}
public void SetUp()
{
stack = new MyStack();
}
