1 /*
2 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 5020931 8048207
27 * @summary Unit test for Collections.checkedQueue
28 * @run testng CheckedQueue
29 */
30
31 import java.util.Collections;
32 import java.util.Queue;
33 import java.util.concurrent.ArrayBlockingQueue;
34
35 import org.testng.annotations.Test;
36 import static org.testng.Assert.fail;
37 import static org.testng.Assert.assertEquals;
38 import static org.testng.Assert.assertTrue;
39 import static org.testng.Assert.assertFalse;
40
41
42 public class CheckedQueue {
43
44 /**
45 * This test adds items to a queue.
46 */
47 @Test
48 public void testAdd() {
49 int arrayLength = 10;
50 Queue<String> abq = Collections.checkedQueue(new ArrayBlockingQueue<>(arrayLength), String.class);
132
133 try {
134 q.offer(null);
135 fail("should throw NullPointerException.");
136 } catch (NullPointerException npe) {
137 // Do nothing
138 }
139
140 try {
141 q.offer(0);
142 fail("should throw ClassCastException.");
143 } catch (ClassCastException cce) {
144 // Do nothing
145 }
146
147 assertTrue(q.offer("0"), "queue should have room");
148
149 // no room at the inn!
150 assertFalse(q.offer("1"), "queue should be full");
151 }
152 }
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1 /*
2 * Copyright (c) 2011, 2026, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 5020931 8048207
27 * @summary Unit test for Collections.checkedQueue
28 * @library /test/lib
29 * @run testng CheckedQueue
30 */
31
32 import jdk.test.lib.valueclass.VClass;
33 import java.util.ArrayDeque;
34 import java.util.Collections;
35 import java.util.Queue;
36 import java.util.concurrent.ArrayBlockingQueue;
37
38 import org.testng.annotations.Test;
39 import static org.testng.Assert.fail;
40 import static org.testng.Assert.assertEquals;
41 import static org.testng.Assert.assertTrue;
42 import static org.testng.Assert.assertFalse;
43
44
45 public class CheckedQueue {
46
47 /**
48 * This test adds items to a queue.
49 */
50 @Test
51 public void testAdd() {
52 int arrayLength = 10;
53 Queue<String> abq = Collections.checkedQueue(new ArrayBlockingQueue<>(arrayLength), String.class);
135
136 try {
137 q.offer(null);
138 fail("should throw NullPointerException.");
139 } catch (NullPointerException npe) {
140 // Do nothing
141 }
142
143 try {
144 q.offer(0);
145 fail("should throw ClassCastException.");
146 } catch (ClassCastException cce) {
147 // Do nothing
148 }
149
150 assertTrue(q.offer("0"), "queue should have room");
151
152 // no room at the inn!
153 assertFalse(q.offer("1"), "queue should be full");
154 }
155
156 @Test
157 public void testValueCheckedQueue() {
158 Queue<VClass> q = Collections.checkedQueue(new ArrayDeque<>(), VClass.class);
159 q.add(new VClass(1, new int[] { 1 }));
160 if (!q.peek().equals(new VClass(1, new int[] { 1 })))
161 fail("value checkedQueue peek failed");
162 try {
163 ((Queue) q).add("not a Tuple");
164 fail("value checkedQueue accepted wrong type");
165 } catch (ClassCastException expected) { }
166 }
167 }
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