public void Pop_1()
{
var ii = new IntList(10);
ii.Push(1);
ii.Push(7);
ii.Push(3);
ii.Push(2);
Assert.AreEqual(2, ii.Pop());
Assert.AreEqual(3, ii.Pop());
Assert.AreEqual(7, ii.Pop());
Assert.AreEqual(1, ii.Pop());
}
public void GivenAnEmptyList_WhenCallAddMultipleTimes_ThenCallPopWithIndexReturnCorrectItem()
{
IntList l = new IntList();
l.Add(1);
l.Add(2);
l.Add(3);
l.Add(4);
l.Add(5);
Assert.Equal(5, l.Count);
Assert.Equal(1, l.Pop(0));
Assert.Equal(4, l.Count);
Assert.Equal(2, l.Pop(0));
Assert.Equal(3, l.Count);
}
public void GivenAnEmptyList_WhenCallAppend_ThenCallPopReturnAppendedItem()
{
IntList l = new IntList();
l.Add(5);
Assert.Equal(5, l.Pop());
}
public void GivenAPopulatedList_WhenCallPopWithInvalidIndex_ThenThrowEmptyListException()
{
IntList l = new IntList();
l.Add(1);
l.Add(2);
l.Add(3);
Assert.Throws <InvalidListIndexException>(() => l.Pop(10));
}
public void GivenAnEmptyList_WhenCallAppendMultipleTimes_ThenCallPopReturnAppendedItemsInReverseOrder()
{
IntList l = new IntList();
l.Add(1);
l.Add(2);
l.Add(3);
l.Add(4);
l.Add(5);
Assert.Equal(5, l.Count);
Assert.Equal(5, l.Pop());
Assert.Equal(4, l.Count);
Assert.Equal(4, l.Pop());
Assert.Equal(3, l.Count);
Assert.Equal(3, l.Pop());
Assert.Equal(2, l.Count);
Assert.Equal(2, l.Pop());
Assert.Equal(1, l.Count);
Assert.Equal(1, l.Pop());
Assert.Equal(0, l.Count);
Assert.Throws <EmptyListException>(() => l.Pop());
}
public void GivenAnEmptyList_WhenCallPopWithIndex_ThenThrowEmptyListException()
{
IntList l = new IntList();
Assert.Throws <EmptyListException>(() => l.Pop(1));
}