public static void Main()
{
Stack<int> testStack = new Stack<int>();
testStack.Push(5);
testStack.Push(4);
testStack.Push(3);
testStack.Push(2);
testStack.Pop();
foreach (var item in testStack)
{
Console.WriteLine("Item value: {0}", item);
}
Console.WriteLine("Stack items count: {0}", testStack.Count);
Console.WriteLine("Stack capacity: {0}", testStack.Capacity);
testStack.Push(6);
testStack.Push(7);
Console.WriteLine(new string('-', 15));
Console.WriteLine("After adding 2 more items");
Console.WriteLine("Stack items count: {0}", testStack.Count);
Console.WriteLine("Stack capacity: {0}", testStack.Capacity);
}
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);
}
protected void btnPop_Click(object sender, EventArgs e)
{
Stack1 = (Stack)ViewState["Stack1"];
int? PoppedItem = Stack1.Pop();
if (PoppedItem != null)
lblDisplay.Text ="The Popped item is " + PoppedItem.ToString() + "<br/>" + "The top index is" + Stack1.Top;
else
lblDisplay.Text = "Stack is empty";
//Response.Write(Stack1.Top);
ViewState["Stack1"] = Stack1;
}
public void TestStackValues()
{
Stack testStack = new Stack();
int numberOfAddedElements = 12;
for (int i = 0; i < numberOfAddedElements; i++)
{
testStack.Push(10 + i);
}
for (int i = 0; i < numberOfAddedElements; i++)
{
int currentElement = testStack.Pop();
Assert.AreEqual(21 - i, currentElement, "The elements are not being popped correctly");
}
}
public void TestPopEmptyList()
{
Stack testStack = new Stack();
testStack.Pop();
}
public void Pop_PushSeveralItemsPopOne_ReturnLastItem()
{
Stack target = new Stack();
target.Push("a");
target.Push("b");
target.Push("c");
target.Push("d");
target.Push("e");
target.Push("f");
String expected = "f";
String actual = target.Pop();
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_PushOneItemPop_ReturnLastItem()
{
Stack target = new Stack();
String testItem="My apples are bad";
target.Push(testItem);
String expected = testItem;
String actual = target.Pop();
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);
}
public void Pop_CalledOnNewStack_ReturnException()
{
Stack target = new Stack();
target.Pop();
Assert.Fail();
}
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);
}