common/util/src/test/java/org/opendaylight/yangtools/util/concurrent/TrackingLinkedBlockingQueueTest.java

   1 /*
   2  * Copyright (c) 2014 Brocade Communications Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.yangtools.util.concurrent;
   9
  10 import static org.junit.jupiter.api.Assertions.assertEquals;
  11 import static org.junit.jupiter.api.Assertions.assertFalse;
  12 import static org.junit.jupiter.api.Assertions.assertThrows;
  13 import static org.junit.jupiter.api.Assertions.assertTrue;
  14
  15 import java.util.Arrays;
  16 import java.util.concurrent.TimeUnit;
  17 import org.junit.jupiter.api.Test;
  18
  19 /**
  20  * Unit tests for TrackingLinkedBlockingQueue.
  21  *
  22  * @author Thomas Pantelis
  23  */
  24 class TrackingLinkedBlockingQueueTest {
  25
  26     @Test
  27     void testOffer() throws InterruptedException {
  28         final var queue = new TrackingLinkedBlockingQueue<>(2);
  29
  30         assertTrue(queue.offer("1"), "offer");
  31         assertEquals(1, queue.getLargestQueueSize(), "getLargestQueueSize");
  32         assertEquals(1, queue.size(), "size");
  33
  34         assertTrue(queue.offer("2", 1, TimeUnit.MILLISECONDS), "offer");
  35         assertEquals(2, queue.getLargestQueueSize(), "getLargestQueueSize");
  36         assertEquals(2, queue.size(), "size");
  37
  38         assertFalse(queue.offer("3"), "offer");
  39         assertEquals(2, queue.getLargestQueueSize(), "getLargestQueueSize");
  40         assertEquals(2, queue.size(), "size");
  41
  42         assertFalse(queue.offer("4", 1, TimeUnit.MILLISECONDS), "offer");
  43         assertEquals(2, queue.getLargestQueueSize(), "getLargestQueueSize");
  44         assertEquals(2, queue.size(), "size");
  45     }
  46
  47     @Test
  48     void testPut() throws InterruptedException {
  49         final var queue = new TrackingLinkedBlockingQueue<>();
  50
  51         queue.put("1");
  52         assertEquals(1, queue.getLargestQueueSize(), "getLargestQueueSize");
  53         assertEquals(1, queue.size(), "size");
  54
  55         queue.put("2");
  56         assertEquals(2, queue.getLargestQueueSize(), "getLargestQueueSize");
  57         assertEquals(2, queue.size(), "size");
  58     }
  59
  60     @Test
  61     void testAdd() {
  62         final var queue = new TrackingLinkedBlockingQueue<>(2);
  63
  64         assertTrue(queue.add("1"), "add");
  65         assertEquals(1, queue.getLargestQueueSize(), "getLargestQueueSize");
  66         assertEquals(1, queue.size(), "size");
  67
  68         assertTrue(queue.add("2"), "add");
  69         assertEquals(2, queue.getLargestQueueSize(), "getLargestQueueSize");
  70         assertEquals(2, queue.size(), "size");
  71
  72         assertThrows(IllegalStateException.class, () -> queue.add("3"));
  73         assertEquals(2, queue.getLargestQueueSize(), "getLargestQueueSize");
  74         assertEquals(2, queue.size(), "size");
  75     }
  76
  77     @Test
  78     void testAddAll() {
  79         final var queue = new TrackingLinkedBlockingQueue<>(3);
  80
  81         queue.addAll(Arrays.asList("1", "2"));
  82         assertEquals(2, queue.getLargestQueueSize(), "getLargestQueueSize");
  83         assertEquals(2, queue.size(), "size");
  84
  85         assertThrows(IllegalStateException.class, () -> queue.addAll(Arrays.asList("3", "4")));
  86         assertEquals(3, queue.getLargestQueueSize(), "getLargestQueueSize");
  87         assertEquals(3, queue.size(), "size");
  88     }
  89 }