public void Stack_With_Valid_Pushes()
{
// Perform three push operations on the stack to arrange the test
StackProgram.StackPush(10, myStack);
StackProgram.StackPush(20, myStack);
StackProgram.StackPush(30, myStack);
int expected = 3;
int actual = StackProgram.StackCount(myStack);
// Assert that there are three elements in the stack
Assert.AreEqual(expected, actual, "Number of items pushed to stack");
}
public void Stack_Peek_Give_Top_Item_No_Change_to_Stack()
{
// Perform three push operations on the stack to arrange the test
StackProgram.StackPush(10, myStack);
StackProgram.StackPush(20, myStack);
StackProgram.StackPush(30, myStack);
object expected = 30;
object actual = StackProgram.StackPeek(myStack);
int expected_count = 3;
int actual_count = StackProgram.StackCount(myStack);
// Verify that there are all three elements in the stack after Peek operation
Assert.AreEqual(expected, actual, "Number of items pushed to stack is 3");
Assert.AreEqual(expected_count, actual_count, "Number of items after a Pop");
}
public void Stack_Pops_Remove_Last_Push()
{
// Perform three push operations on the stack to arrange the test
StackProgram.StackPush(10, myStack);
StackProgram.StackPush(20, myStack);
StackProgram.StackPush(30, myStack);
object expected = 30;
int expected_count = 2;
object actual = StackProgram.StackPop(myStack);
int actual_count = StackProgram.StackCount(myStack);
// Verify that there are two element in the stack after Pop operation
Assert.AreEqual(expected, actual, "Number of items pushed to stack");
Assert.AreEqual(expected_count, actual_count, "Number of items after a Pop");
}