11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2008 The Guava Authors 31d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 41d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Licensed under the Apache License, Version 2.0 (the "License"); 51d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * you may not use this file except in compliance with the License. 61d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * You may obtain a copy of the License at 71d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 81d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * http://www.apache.org/licenses/LICENSE-2.0 91d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Unless required by applicable law or agreed to in writing, software 111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * distributed under the License is distributed on an "AS IS" BASIS, 121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * See the License for the specific language governing permissions and 141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * limitations under the License. 151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpackage com.google.common.collect; 181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport junit.framework.TestCase; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.concurrent.ConcurrentHashMap; 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.concurrent.ConcurrentMap; 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Tests for {@link ForwardingConcurrentMap}. 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Jared Levy 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic class ForwardingConcurrentMapTest extends TestCase { 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private static class TestMap 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert extends ForwardingConcurrentMap<String, Integer> { 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert final ConcurrentMap<String, Integer> delegate 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert = new ConcurrentHashMap<String, Integer>(); 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override protected ConcurrentMap<String, Integer> delegate() { 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return delegate; 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testPutIfAbsent() { 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert TestMap map = new TestMap(); 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert map.put("foo", 1); 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals(Integer.valueOf(1), map.putIfAbsent("foo", 2)); 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals(Integer.valueOf(1), map.get("foo")); 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertNull(map.putIfAbsent("bar", 3)); 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals(Integer.valueOf(3), map.get("bar")); 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testRemove() { 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert TestMap map = new TestMap(); 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert map.put("foo", 1); 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse(map.remove("foo", 2)); 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse(map.remove("bar", 1)); 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals(Integer.valueOf(1), map.get("foo")); 551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue(map.remove("foo", 1)); 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue(map.isEmpty()); 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testReplace() { 601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert TestMap map = new TestMap(); 611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert map.put("foo", 1); 621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals(Integer.valueOf(1), map.replace("foo", 2)); 631d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertNull(map.replace("bar", 3)); 641d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals(Integer.valueOf(2), map.get("foo")); 651d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse(map.containsKey("bar")); 661d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 671d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 681d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public void testReplaceConditional() { 691d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert TestMap map = new TestMap(); 701d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert map.put("foo", 1); 711d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse(map.replace("foo", 2, 3)); 721d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse(map.replace("bar", 1, 2)); 731d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals(Integer.valueOf(1), map.get("foo")); 741d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertFalse(map.containsKey("bar")); 751d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertTrue(map.replace("foo", 1, 4)); 761d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert assertEquals(Integer.valueOf(4), map.get("foo")); 771d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 781d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 79