private void testClear(BasicStack <DSString> the_stack)
{
//make sure size() and isEmpty() are correct before clear
Assert.AreEqual(false, the_stack.isEmpty());
Assert.AreEqual(10, the_stack.size());
//after clearing
the_stack.clear();
Assert.AreEqual(true, the_stack.isEmpty());
Assert.AreEqual(0, the_stack.size());
//after readding and clearing
the_stack.push(new DSString("13"));
Assert.AreEqual(false, the_stack.isEmpty());
Assert.AreEqual(1, the_stack.size());
}
private void testSize(BasicStack <DSString> the_stack)
{
//check after initial insertion
Assert.AreEqual(10, the_stack.size());
//check after removal
the_stack.pop();
Assert.AreEqual(9, the_stack.size());
//check after addition
the_stack.push(new DSString("13"));
Assert.AreEqual(10, the_stack.size());
//check after removing all
the_stack.clear();
Assert.AreEqual(0, the_stack.size());
}
private void testPush(BasicStack <DSString> the_stack)
{
//items already added in initialization
//make sure first size is right
Assert.AreEqual(10, the_stack.size());
//make sure first removal matches FIFO ordering
Assert.AreEqual("9", the_stack.pop().value);
//remove all elements and check last item to make sure removals match FIFO ordering
string element = "";
while (!the_stack.isEmpty())
{
element = the_stack.pop().value;
}
Assert.AreEqual("0", element);
}