public void MultipleStacksUsingSingleArray2VariableSizeCompleteTestPeekEmptyStack()
{
// Create stack & push three items.
var st = new MultipleStacksUsingSingleArray2VariableSizeComplete <int>(2);
try
{
st.Peek(stackNumber: 0);
}
catch (InvalidOperationException)
{
// Exception.
Assert.IsTrue(true);
return;
}
// No exception.
Assert.Fail();
}
public void MultipleStacksUsingSingleArray2VariableSizeCompleteTestPeekInvalidStackNumber()
{
// Create three stack with 2 items each.
var st = new MultipleStacksUsingSingleArray2VariableSizeComplete <int>(stackCount: 2);
// Push an item.
st.Push(stackNumber: 0, item: 1);
try
{
st.Peek(stackNumber: 2);
}
catch (ArgumentException)
{
// Exception.
Assert.IsTrue(true);
return;
}
// No exception.
Assert.Fail();
}
public void MultipleStacksUsingSingleArray2VariableSizeCompleteMultipleItems()
{
// Create three stacks.
var st = new MultipleStacksUsingSingleArray2VariableSizeComplete <int>();
// Check the count of each stack.
Assert.AreEqual(0, st.Count(0));
Assert.AreEqual(0, st.Count(1));
Assert.AreEqual(0, st.Count(2));
// Push an item onto the 0 stack.
st.Push(stackNumber: 0, item: 1);
// Check the count of each stack.
Assert.AreEqual(1, st.Count(0));
Assert.AreEqual(0, st.Count(1));
Assert.AreEqual(0, st.Count(2));
// Push an two items onto the 1 stack.
st.Push(stackNumber: 1, item: 1);
st.Push(stackNumber: 1, item: 2);
// Check the count of each stack.
Assert.AreEqual(1, st.Count(0));
Assert.AreEqual(2, st.Count(1));
Assert.AreEqual(0, st.Count(2));
// Push a three items onto the 2 stack.
st.Push(stackNumber: 2, item: 1);
st.Push(stackNumber: 2, item: 2);
st.Push(stackNumber: 2, item: 3);
// Check the count of each stack.
Assert.AreEqual(1, st.Count(0));
Assert.AreEqual(2, st.Count(1));
Assert.AreEqual(3, st.Count(2));
// Peek at the top items in each stack.
Assert.AreEqual(1, st.Peek(0));
Assert.AreEqual(2, st.Peek(1));
Assert.AreEqual(3, st.Peek(2));
// Pop an item from each stack.
Assert.AreEqual(1, st.Pop(0));
Assert.AreEqual(2, st.Pop(1));
Assert.AreEqual(3, st.Pop(2));
// Check the count of each stack.
Assert.AreEqual(0, st.Count(0));
Assert.AreEqual(1, st.Count(1));
Assert.AreEqual(2, st.Count(2));
// Pop an item from the stacks that still have items.
Assert.AreEqual(1, st.Pop(1));
Assert.AreEqual(2, st.Pop(2));
// Check the count of each stack.
Assert.AreEqual(0, st.Count(0));
Assert.AreEqual(0, st.Count(1));
Assert.AreEqual(1, st.Count(2));
// Pop an item from the stacks that still have items.
Assert.AreEqual(1, st.Pop(2));
// Check the count of each stack.
Assert.AreEqual(0, st.Count(0));
Assert.AreEqual(0, st.Count(1));
Assert.AreEqual(0, st.Count(2));
// Push allot of items onto the stacks.
st.Push(stackNumber: 0, item: 1);
st.Push(stackNumber: 0, item: 2);
st.Push(stackNumber: 1, item: 1);
st.Push(stackNumber: 1, item: 2);
st.Push(stackNumber: 2, item: 1);
st.Push(stackNumber: 2, item: 2);
st.Push(stackNumber: 0, item: 3);
st.Push(stackNumber: 1, item: 3);
st.Push(stackNumber: 2, item: 3);
st.Push(stackNumber: 0, item: 4);
st.Push(stackNumber: 1, item: 4);
st.Push(stackNumber: 2, item: 4);
// Pop them.
Assert.AreEqual(4, st.Pop(0));
Assert.AreEqual(3, st.Pop(0));
Assert.AreEqual(2, st.Pop(0));
Assert.AreEqual(1, st.Pop(0));
Assert.AreEqual(4, st.Pop(1));
Assert.AreEqual(3, st.Pop(1));
Assert.AreEqual(2, st.Pop(1));
Assert.AreEqual(1, st.Pop(1));
Assert.AreEqual(4, st.Pop(2));
Assert.AreEqual(3, st.Pop(2));
Assert.AreEqual(2, st.Pop(2));
Assert.AreEqual(1, st.Pop(2));
}
public void MultipleStacksUsingSingleArray1VariableSizeCompleteTestOneItem()
{
// Create three stacks.
var st = new MultipleStacksUsingSingleArray2VariableSizeComplete <int>();
// Check the count of each stack.
Assert.AreEqual(0, st.Count(0));
Assert.AreEqual(0, st.Count(1));
Assert.AreEqual(0, st.Count(2));
// Push an item onto the first stack.
st.Push(0, 1);
// Check the count of each stack.
Assert.AreEqual(1, st.Count(0));
Assert.AreEqual(0, st.Count(1));
Assert.AreEqual(0, st.Count(2));
// Push an item onto the second stack.
st.Push(1, 2);
// Check the count of each stack.
Assert.AreEqual(1, st.Count(0));
Assert.AreEqual(1, st.Count(1));
Assert.AreEqual(0, st.Count(2));
// Push an item onto the third stack.
st.Push(2, 3);
// Check the count of each stack.
Assert.AreEqual(1, st.Count(0));
Assert.AreEqual(1, st.Count(1));
Assert.AreEqual(1, st.Count(2));
// Peek at the items.
Assert.AreEqual(1, st.Peek(0));
Assert.AreEqual(2, st.Peek(1));
Assert.AreEqual(3, st.Peek(2));
// Pop the item from the first stack.
Assert.AreEqual(1, st.Pop(0));
// Check the count of each stack.
Assert.AreEqual(0, st.Count(0));
Assert.AreEqual(1, st.Count(1));
Assert.AreEqual(1, st.Count(2));
// Pop the item from the second stack.
Assert.AreEqual(2, st.Pop(1));
// Check the count of each stack.
Assert.AreEqual(0, st.Count(0));
Assert.AreEqual(0, st.Count(1));
Assert.AreEqual(1, st.Count(2));
// Pop the item from the third stack.
Assert.AreEqual(3, st.Pop(2));
// Check the count of each stack.
Assert.AreEqual(0, st.Count(0));
Assert.AreEqual(0, st.Count(1));
Assert.AreEqual(0, st.Count(2));
}