public void Count_PushSeveralPopAll_ReturnZero()
{
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();
int expected = 0;
int actual = target.Count();
Assert.AreEqual(expected, actual);
}
public void Count_CalledOnNewStack_ReturnZero()
{
Stack target = new Stack();
int expected = 0;
int actual = target.Count();
Assert.AreEqual(expected, actual);
}
public void Count_PushOneItem_ReturnOne()
{
Stack target = new Stack();
target.Push("a");
int expected = 1;
int actual = target.Count();
Assert.AreEqual(expected, actual);
}
public void Count_PushSevenItems_ReturnSeven()
{
Stack target = new Stack();
target.Push("a");
target.Push("b");
target.Push("c");
target.Push("d");
target.Push("e");
target.Push("f");
target.Push("g");
int expected = 7;
int actual = target.Count();
Assert.AreEqual(expected,actual);
}
public void Push_SeveralItemsStackCallCount_ReturnItemCount()
{
Stack target = new Stack();
target.Push("a");
target.Push("b");
target.Push("c");
target.Push("d");
int expected = 4;
int actual = target.Count();
Assert.AreEqual(expected, actual);
}
public void Pop_PushSeveralItemsPopOneAndCount_ReturnNMinusOne()
{
Stack target = new Stack();
target.Push("a");
target.Push("b");
target.Push("c");
target.Push("d");
target.Push("e");
target.Push("f");
target.Pop();
int expected = 5;
int actual = target.Count();
Assert.AreEqual(expected, actual);
}
public void Pop_PushOneItemPopCount_ReturnZero()
{
Stack target = new Stack();
String testItem = "My apples are bad";
target.Push(testItem);
target.Pop();
int expected = 0;
int actual = target.Count();
Assert.AreEqual(expected, actual);
}