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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.pool2.impl;
18  
19  
20  import static org.junit.jupiter.api.Assertions.assertEquals;
21  
22  import java.lang.ref.SoftReference;
23  
24  import org.junit.jupiter.api.BeforeEach;
25  import org.junit.jupiter.api.Test;
26  
27  
28  /**
29   * Tests for PooledSoftReference.
30   */
31  public class TestPooledSoftReference {
32  
33      private static final String REFERENT = "test";
34      private static final String REFERENT2 = "test2";
35      PooledSoftReference<String> ref;
36  
37      @BeforeEach
38      public void setUp() {
39          final SoftReference<String> softRef = new SoftReference<>(REFERENT);
40          ref = new PooledSoftReference<>(softRef);
41      }
42  
43      @Test
44      public void testPooledSoftReference() {
45          assertEquals(REFERENT, ref.getObject());
46  
47          SoftReference<String> softRef = ref.getReference();
48          assertEquals(REFERENT, softRef.get());
49          softRef.clear();
50  
51          softRef = new SoftReference<>(REFERENT2);
52          ref.setReference(softRef);
53  
54          assertEquals(REFERENT2, ref.getObject());
55  
56          softRef = ref.getReference();
57          assertEquals(REFERENT2, softRef.get());
58          softRef.clear();
59      }
60  
61      @Test
62      public void testToString() {
63          final String expected = "Referenced Object: test, State: IDLE";
64          assertEquals(expected, ref.toString());
65      }
66  
67  }