/* * Test isEmpty function */ @Test public void testIsEmpty() { for (int i = 0; i < initialSize; i++) { queue.dequeue(); } assertTrue(queue.isEmpty()); }
@Test public void testDequeue() { assertEquals(queue.dequeue(), messageHigh1); assertEquals(queue.dequeue(), messageHigh2); assertEquals(queue.dequeue(), messageMedium1); assertEquals(queue.dequeue(), messageMedium2); assertEquals(queue.dequeue(), messageLow1); assertEquals(queue.dequeue(), messageLow2); }
/* * Test removing a message */ @Test public void testRemoveMessage() { queue.removeMessage(2); assertEquals(queue.getQueueSize(), initialSize - 1); queue.removeMessage(1); assertEquals(queue.getQueueSize(), initialSize - 2); assertEquals(queue.dequeue(), messageMedium1); }
@BeforeClass public static void setUpBeforeClass() throws Exception { queue = new InstructionMessageQueue(); messageHigh1 = new InstructionMessage(1, 1, 5, 87, 8); messageHigh2 = new InstructionMessage(10, 2, 58, 9, 8); messageMedium1 = new InstructionMessage(11, 3, 6, 9, 8); messageMedium2 = new InstructionMessage(90, 4, 45, 9, 8); messageLow1 = new InstructionMessage(91, 5, 9, 9, 8); messageLow2 = new InstructionMessage(99, 6, 6, 9, 8); queue.enque(messageMedium1); queue.enque(messageLow1); queue.enque(messageMedium2); queue.enque(messageHigh1); queue.enque(messageLow2); queue.enque(messageHigh2); initialSize = 6; }
/* * Test dequeuing an empty queue */ @Test public void testDequeueEmptyQueue() { assertEquals(queue.getQueueSize(), 0); assertEquals(queue.dequeue(), null); assertEquals(queue.removeMessage(2), null); }
@Test public void testGetQueueSize() { assertEquals(queue.getQueueSize(), initialSize); }