public void IsEmpty_CalledOnNonEmptyStack_ReturnFalse()
{
Stack target = new Stack();
//Push several items
target.Push("a");
target.Push("b");
target.Push("c");
target.Push("d");
target.Push("e");
target.Push("f");
target.Push("g");
Boolean expected = false;
Boolean actual = target.IsEmpty();
Assert.AreEqual(expected, actual);
}
public void IsEmpty_PushSeveralAndPopAll_ReturnTrue()
{
Stack target = new Stack();
//Push several items
target.Push("a");
target.Push("b");
target.Push("c");
target.Push("d");
target.Push("e");
target.Push("f");
target.Push("g");
//Pop all items
target.Pop();
target.Pop();
target.Pop();
target.Pop();
target.Pop();
target.Pop();
target.Pop();
Boolean expected = true;
Boolean actual = target.IsEmpty();
Assert.AreEqual(expected, actual);
}
public void IsEmpty_CalledOnNewStack_ReturnTrue()
{
Stack target = new Stack();
Boolean expected = true;
Boolean actual = target.IsEmpty();
Assert.AreEqual(expected, actual);
}
public void IsEmpty_CalledOnStackWithOneItem_ReturnFalse()
{
Stack target = new Stack();
target.Push("a");
Boolean expected = false;
Boolean actual = target.IsEmpty();
Assert.AreEqual(expected, actual);
}