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1   /*
2    *    Copyright 2009-2021 the original author or authors.
3    *
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
7    *
8    *       http://www.apache.org/licenses/LICENSE-2.0
9    *
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.
15   */
16  package org.apache.ibatis.cache;
17  
18  import static org.junit.jupiter.api.Assertions.assertTrue;
19  
20  import org.apache.ibatis.cache.decorators.*;
21  import org.apache.ibatis.cache.impl.PerpetualCache;
22  import org.junit.jupiter.api.Test;
23  
24  class SuperCacheTest {
25  
26    @Test
27    void shouldDemonstrate5LevelSuperCacheHandlesLotsOfEntriesWithoutCrashing() {
28      final int N = 100000;
29      Cache cache = new PerpetualCache("default");
30      cache = new LruCache(cache);
31      cache = new FifoCache(cache);
32      cache = new SoftCache(cache);
33      cache = new WeakCache(cache);
34      cache = new ScheduledCache(cache);
35      cache = new SerializedCache(cache);
36      // cache = new LoggingCache(cache);
37      cache = new SynchronizedCache(cache);
38      cache = new TransactionalCache(cache);
39      for (int i = 0; i < N; i++) {
40        cache.putObject(i, i);
41        ((TransactionalCache) cache).commit();
42        Object o = cache.getObject(i);
43        assertTrue(o == null || i == ((Integer) o));
44      }
45      assertTrue(cache.getSize() < N);
46    }
47  
48  }