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.assertEquals;
19 import static org.junit.Assert.assertFalse;
20 import static org.junit.Assert.assertNull;
21 import static org.junit.Assert.assertTrue;
24 import java.util.concurrent.ConcurrentMap;
25 import org.junit.Test;
27 public class TestConcurrentMapReplace {
28 private static final int COUNT = 50 * 1000;
31 public void testConcurrentMapReplace() {
32 final ConcurrentMap<Integer, Object> map = TrieMap.create();
34 for (int i = 0; i < COUNT; i++) {
35 assertNull(map.replace(i, "lol"));
36 assertFalse(map.replace(i, i, "lol2"));
37 assertNull(map.put(i, i));
38 assertEquals(Integer.valueOf(i), map.replace(i, "lol"));
39 assertFalse(map.replace(i, i, "lol2"));
40 assertTrue(map.replace(i, "lol", 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);
54 final ZeroHashInt k4 = new ZeroHashInt(7);
56 final Map<ZeroHashInt, ZeroHashInt> map = TrieMap.create();
57 assertNull(map.put(k3, v3));
59 // First check for SNode
60 assertNull(map.replace(k1, v1));
61 assertFalse(map.replace(k1, v1, v2));
62 assertFalse(map.replace(k3, v1, v3));
63 assertFalse(map.replace(k3dup, v1, v3dup));
64 assertTrue(map.replace(k3dup, v3dup, v1));
65 assertTrue(map.replace(k3dup, v1, v3));
68 assertNull(map.put(k1, v1));
69 assertNull(map.put(k2, v2));
71 // Completely mismatched
72 assertFalse(map.replace(k1, v2, v3));
74 // Identical value match
75 assertTrue(map.replace(k2, v2, v3));
76 // Equivalent value match
77 assertTrue(map.replace(k2, v3dup, v2));
80 assertTrue(map.replace(k3dup, v3dup, v2));
83 assertNull(map.replace(k4, v1));
84 assertFalse(map.replace(k4, v1, v2));