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.assertFalse;
19 import static org.junit.Assert.assertNull;
20 import static org.junit.Assert.assertTrue;
23 import java.util.concurrent.ConcurrentMap;
24 import org.junit.Test;
26 public class TestConcurrentMapRemove {
27 private static final int COUNT = 50 * 1000;
30 public void testConcurrentMapRemove() {
31 final ConcurrentMap<Integer, Object> map = TrieMap.create();
33 for (int i = 128; i < COUNT; i++) {
34 assertFalse(map.remove(i, i));
35 assertNull(map.put(i, i));
36 assertFalse(map.remove(i, "lol"));
37 assertTrue(map.containsKey(i));
38 assertTrue(map.remove(i, i));
39 assertFalse(map.containsKey(i));
40 assertNull(map.put(i, i));
45 public void testConflictingHash() {
46 final ZeroHashInt k1 = new ZeroHashInt(1);
47 final ZeroHashInt k2 = new ZeroHashInt(2);
48 final ZeroHashInt k3 = new ZeroHashInt(3);
49 final ZeroHashInt k3dup = new ZeroHashInt(3);
50 final ZeroHashInt v1 = new ZeroHashInt(4);
51 final ZeroHashInt v2 = new ZeroHashInt(5);
52 final ZeroHashInt v3 = new ZeroHashInt(6);
53 final ZeroHashInt v3dup = new ZeroHashInt(6);
55 final Map<ZeroHashInt, ZeroHashInt> map = TrieMap.create();
56 // Pre-populate an LNode
57 assertNull(map.putIfAbsent(k1, v1));
58 assertNull(map.putIfAbsent(k2, v2));
59 assertNull(map.putIfAbsent(k3, v3));
61 assertFalse(map.remove(k3, v2));
62 assertTrue(map.remove(k3dup, v3dup));