1 /* 2 * Copyright (C) 2011 The Guava Authors 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14 15 package com.google.common.cache; 16 17 import static java.util.Arrays.asList; 18 19 import com.google.common.collect.ImmutableList; 20 import com.google.common.collect.ImmutableMap; 21 22 import junit.framework.TestCase; 23 24 /** 25 * @author Charles Fry 26 */ 27 public class CacheManualTest extends TestCase { 28 29 public void testGetIfPresent() { 30 Cache<Object, Object> cache = CacheBuilder.newBuilder().build(); 31 CacheStats stats = cache.stats(); 32 assertEquals(0, stats.missCount()); 33 assertEquals(0, stats.loadSuccessCount()); 34 assertEquals(0, stats.loadExceptionCount()); 35 assertEquals(0, stats.hitCount()); 36 37 Object one = new Object(); 38 Object two = new Object(); 39 40 assertNull(cache.getIfPresent(one)); 41 stats = cache.stats(); 42 assertEquals(1, stats.missCount()); 43 assertEquals(0, stats.loadSuccessCount()); 44 assertEquals(0, stats.loadExceptionCount()); 45 assertEquals(0, stats.hitCount()); 46 assertNull(cache.asMap().get(one)); 47 assertFalse(cache.asMap().containsKey(one)); 48 assertFalse(cache.asMap().containsValue(two)); 49 50 assertNull(cache.getIfPresent(two)); 51 stats = cache.stats(); 52 assertEquals(2, stats.missCount()); 53 assertEquals(0, stats.loadSuccessCount()); 54 assertEquals(0, stats.loadExceptionCount()); 55 assertEquals(0, stats.hitCount()); 56 assertNull(cache.asMap().get(two)); 57 assertFalse(cache.asMap().containsKey(two)); 58 assertFalse(cache.asMap().containsValue(one)); 59 60 cache.put(one, two); 61 62 assertSame(two, cache.getIfPresent(one)); 63 stats = cache.stats(); 64 assertEquals(2, stats.missCount()); 65 assertEquals(0, stats.loadSuccessCount()); 66 assertEquals(0, stats.loadExceptionCount()); 67 assertEquals(1, stats.hitCount()); 68 assertSame(two, cache.asMap().get(one)); 69 assertTrue(cache.asMap().containsKey(one)); 70 assertTrue(cache.asMap().containsValue(two)); 71 72 assertNull(cache.getIfPresent(two)); 73 stats = cache.stats(); 74 assertEquals(3, stats.missCount()); 75 assertEquals(0, stats.loadSuccessCount()); 76 assertEquals(0, stats.loadExceptionCount()); 77 assertEquals(1, stats.hitCount()); 78 assertNull(cache.asMap().get(two)); 79 assertFalse(cache.asMap().containsKey(two)); 80 assertFalse(cache.asMap().containsValue(one)); 81 82 cache.put(two, one); 83 84 assertSame(two, cache.getIfPresent(one)); 85 stats = cache.stats(); 86 assertEquals(3, stats.missCount()); 87 assertEquals(0, stats.loadSuccessCount()); 88 assertEquals(0, stats.loadExceptionCount()); 89 assertEquals(2, stats.hitCount()); 90 assertSame(two, cache.asMap().get(one)); 91 assertTrue(cache.asMap().containsKey(one)); 92 assertTrue(cache.asMap().containsValue(two)); 93 94 assertSame(one, cache.getIfPresent(two)); 95 stats = cache.stats(); 96 assertEquals(3, stats.missCount()); 97 assertEquals(0, stats.loadSuccessCount()); 98 assertEquals(0, stats.loadExceptionCount()); 99 assertEquals(3, stats.hitCount()); 100 assertSame(one, cache.asMap().get(two)); 101 assertTrue(cache.asMap().containsKey(two)); 102 assertTrue(cache.asMap().containsValue(one)); 103 } 104 105 public void testGetAllPresent() { 106 Cache<Integer, Integer> cache = CacheBuilder.newBuilder().build(); 107 CacheStats stats = cache.stats(); 108 assertEquals(0, stats.missCount()); 109 assertEquals(0, stats.loadSuccessCount()); 110 assertEquals(0, stats.loadExceptionCount()); 111 assertEquals(0, stats.hitCount()); 112 113 assertEquals(ImmutableMap.of(), cache.getAllPresent(ImmutableList.<Integer>of())); 114 stats = cache.stats(); 115 assertEquals(0, stats.missCount()); 116 assertEquals(0, stats.loadSuccessCount()); 117 assertEquals(0, stats.loadExceptionCount()); 118 assertEquals(0, stats.hitCount()); 119 120 assertEquals(ImmutableMap.of(), cache.getAllPresent(asList(1, 2, 3))); 121 stats = cache.stats(); 122 assertEquals(3, stats.missCount()); 123 assertEquals(0, stats.loadSuccessCount()); 124 assertEquals(0, stats.loadExceptionCount()); 125 assertEquals(0, stats.hitCount()); 126 127 cache.put(2, 22); 128 129 assertEquals(ImmutableMap.of(2, 22), cache.getAllPresent(asList(1, 2, 3))); 130 stats = cache.stats(); 131 assertEquals(5, stats.missCount()); 132 assertEquals(0, stats.loadSuccessCount()); 133 assertEquals(0, stats.loadExceptionCount()); 134 assertEquals(1, stats.hitCount()); 135 136 cache.put(3, 33); 137 138 assertEquals(ImmutableMap.of(2, 22, 3, 33), cache.getAllPresent(asList(1, 2, 3))); 139 stats = cache.stats(); 140 assertEquals(6, stats.missCount()); 141 assertEquals(0, stats.loadSuccessCount()); 142 assertEquals(0, stats.loadExceptionCount()); 143 assertEquals(3, stats.hitCount()); 144 145 cache.put(1, 11); 146 147 assertEquals(ImmutableMap.of(1, 11, 2, 22, 3, 33), cache.getAllPresent(asList(1, 2, 3))); 148 stats = cache.stats(); 149 assertEquals(6, stats.missCount()); 150 assertEquals(0, stats.loadSuccessCount()); 151 assertEquals(0, stats.loadExceptionCount()); 152 assertEquals(6, stats.hitCount()); 153 } 154 155 } 156
