2 * (C) Copyright 2016 Pantheon Technologies, s.r.o. and others.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.opendaylight.yangtools.triemap;
18 import static org.junit.Assert.assertNull;
19 import static org.junit.Assert.assertSame;
22 import java.util.concurrent.ConcurrentMap;
23 import org.junit.Test;
25 public class TestConcurrentMapPutIfAbsent {
26 private static final int COUNT = 50*1000;
29 public void testConcurrentMapPutIfAbsent () {
30 final ConcurrentMap<Object, Object> map = new TrieMap<> ();
32 for (int i = 0; i < COUNT; i++) {
33 TestHelper.assertTrue (null == map.putIfAbsent (i, i));
34 TestHelper.assertTrue (Integer.valueOf (i).equals (map.putIfAbsent (i, i)));
39 public void testConflictingHash() {
40 final ZeroHashInt k1 = new ZeroHashInt(1);
41 final ZeroHashInt k2 = new ZeroHashInt(2);
42 final ZeroHashInt k3 = new ZeroHashInt(3);
43 final ZeroHashInt k3dup = new ZeroHashInt(3);
44 final ZeroHashInt v1 = new ZeroHashInt(4);
45 final ZeroHashInt v2 = new ZeroHashInt(5);
46 final ZeroHashInt v3 = new ZeroHashInt(6);
48 final Map<ZeroHashInt, ZeroHashInt> map = new TrieMap<>();
49 // Pre-populate an LNode
50 assertNull(map.putIfAbsent(k1, v1));
51 assertNull(map.putIfAbsent(k2, v2));
52 assertNull(map.putIfAbsent(k3, v3));
54 // Check with identical key
55 assertSame(v3, map.putIfAbsent(k3, v3));
56 // Check with equivalent key
57 assertSame(v3, map.putIfAbsent(k3dup, v3));