livt-queue/tests/QueueTest.lvt at main · eccelerators/livt-queue · GitHub

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namespace Livt.Collections.Tests

using Livt.Collections

@Test
component QueueTest
{
	my_queue : Queue

	new()
	{
		my_queue = new Queue()
	}

	@Test
	fn TestEnqueue()
	{
		my_queue.Enqueue(0b0000_0001)

		assert my_queue.Peek() == 0b0000_0001
		assert my_queue.GetSize() == 1
	}

	@Test
	fn TestDequeue()
	{
		my_queue.Clear()
		my_queue.Enqueue(0b0000_0001)

		var size = my_queue.GetSize()
		var value = my_queue.Dequeue()

		assert size == 1
		assert value == 0b0000_0001
		assert my_queue.GetSize() == 0
		assert my_queue.Dequeue() == 0b0000_0000
	}

	@Test
	fn TestFIFOOrder()
	{
		my_queue.Clear()
		my_queue.Enqueue(0b0000_0001)
		my_queue.Enqueue(0b0000_0010)
		my_queue.Enqueue(0b0000_0011)

		assert my_queue.Dequeue() == 0b0000_0001
		assert my_queue.Dequeue() == 0b0000_0010
		assert my_queue.Dequeue() == 0b0000_0011
	}

	@Test
	fn TestPeek()
	{
		my_queue.Clear()
		my_queue.Enqueue(0b0000_0001)
		my_queue.Enqueue(0b0000_0000)
		my_queue.Enqueue(0b0000_1111)

		assert my_queue.Peek() == 0b0000_0001
		assert my_queue.GetSize() == 3
	}

	@Test
	fn TestPeekOnEmptyQueue()
	{
		my_queue.Clear()

		assert my_queue.Peek() == 0b0000_0000
	}

	@Test
	fn TestIsFull()
	{
		my_queue.Clear()
		for (var i=0; i < 32; i++) {
			my_queue.Enqueue(0b0000_0001)
		}
		assert my_queue.IsFull() == true
		assert my_queue.GetSize() == 32
	}

	@Test
	fn TestIsEmpty()
	{
		my_queue.Clear()

		assert my_queue.IsEmpty() == true
	}

	@Test
	fn TestGetSize()
	{
		var startSize = my_queue.GetSize()

		my_queue.Enqueue(0b0000_0001)
		my_queue.Enqueue(0bZZZZ_ZZZZ)
		my_queue.Enqueue(0bUUUU_UUUU)
		my_queue.Enqueue(0bXXXX_XXXX)

		assert startSize == 0
		assert my_queue.GetSize() == 4
	}

	@Test
	fn TestWrapAround()
	{
		my_queue.Clear()
		for (var i=0; i < 32; i++) {
			my_queue.Enqueue(0b0000_0001)
		}

		for (var i=0; i < 16; i++) {
			assert my_queue.Dequeue() == 0b0000_0001
		}

		for (var i=16; i < 32; i++) {
			my_queue.Enqueue(0b0000_0010)
		}

		for (var i=0; i < 16; i++) {
			assert my_queue.Dequeue() == 0b0000_0001
		}

		for (var i=0; i < 16; i++) {
			assert my_queue.Dequeue() == 0b0000_0010
		}

		assert my_queue.IsEmpty() == true
	}

	@Test
	fn TestEnqueueIgnoredWhenFull()
	{
		my_queue.Clear()
		for (var i=0; i < 32; i++) {
			my_queue.Enqueue(0b0000_0001)
		}

		my_queue.Enqueue(0b0000_0010)

		for (var i=0; i < 32; i++) {
			assert my_queue.Dequeue() == 0b0000_0001
		}

		assert my_queue.IsEmpty() == true
		assert my_queue.Dequeue() == 0b0000_0000
	}
}