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package rd222dv_assign2.Queues;
import static org.junit.Assert.*;
import java.util.NoSuchElementException;
import org.junit.*;
public class JUnitQueue {
Queue queue = new LinkedQueue();
Queue arrQueue = new ArrayQueue();
@Test
public void testSize() {
assertEquals(0, queue.size());
// arrayTest
assertEquals(0, arrQueue.size());
}
@Test
public void testIsEmpty() {
assertTrue(queue.isEmpty());
assertEquals(queue.size(), 0);
// arrayTest
assertTrue(arrQueue.isEmpty());
assertEquals(arrQueue.size(), 0);
}
@Test
public void testEnqueue() {
// numberOfInserts = 4;
for (int i = 0; i < 4; i++) {
queue.enqueue("cat");
}
assertTrue(!queue.isEmpty());
assertEquals(queue.size(), 4);
// System.out.println("4x enqueued "+queue);
// arrayTest
for (int i = 0; i < 4; i++) {
arrQueue.enqueue("cat");
}
assertTrue(!arrQueue.isEmpty());
assertEquals(arrQueue.size(), 4);
// System.out.println("4x enqueued "+arrQueue);
}
@Test
public void testEnqueueDequeue() {
Object animal = "turtle";
queue.enqueue(animal);
// System.out.println("Enqueued "+queue);
assertEquals(queue.dequeue(), animal);
// System.out.println("Dequeued "+queue);
// arrayTest
Object arrAnimal = "turtle";
arrQueue.enqueue(arrAnimal);
// System.out.println("Enqueued "+arrQueue);
assertEquals(arrQueue.dequeue(), arrAnimal);
// System.out.println("Dequeued "+arrQueue);
}
@Test
public void testFirst() {
Object animal = "mouse";
queue.enqueue(animal);
int size = queue.size();
assertEquals(queue.first(), animal);
assertEquals(queue.size(), size);
// System.out.println("EnqueueFirst "+queue);
// arrayTest
Object arrAnimal = "mouse";
arrQueue.enqueue(arrAnimal);
int arrSize = arrQueue.size();
assertEquals(arrQueue.first(), arrAnimal);
assertEquals(arrQueue.size(), arrSize);
// System.out.println("EnqueueFirst "+arrQueue);
}
@Test
public void testHundredInHundredOut() {
for (int i = 0; i < 100; i++) {
queue.enqueue(i);
}
for (int i = 0; i < 100; i++) {
assertEquals(((Integer) queue.dequeue()).intValue(), i);
}
}
@Test
public void testLastToEmpty() {
// numberOfRemoves = 5;
for (int i = 0; i < 5; i++) {
queue.enqueue("dog");
// System.out.println(queue);
}
for (int i = 0; i < 5; i++) {
queue.dequeue();
// System.out.println(queue);
}
assertTrue(queue.isEmpty());
assertEquals(queue.size(), 0);
// System.out.println(queue);
}
@Test(expected = NoSuchElementException.class)
public void testFirstToEmptyQueue() {
assertTrue(queue.isEmpty());
queue.dequeue();
}
@Test(expected = NoSuchElementException.class)
public void testLastOnEmptyQueue() {
assertTrue(queue.isEmpty());
queue.dequeue();
}
@Test
public void toStringReturnEmptyString() {
String str = "[ ]";
assertEquals(str, queue.toString(), arrQueue.toString());
//assertEquals(queue.toString(), "");
//assertEquals(arrQueue.toString(), "");
}
/*
* @Test public void testIterator() {
*
* }
*/
}
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