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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   https://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.commons.io.serialization;
20  
21  import java.io.Closeable;
22  import java.util.ArrayList;
23  import java.util.List;
24  
25  import org.apache.commons.io.IOUtils;
26  import org.junit.jupiter.api.AfterEach;
27  import org.junit.jupiter.api.BeforeEach;
28  
29  /**
30   * Abstract test class that tracks {@link Closeable} objects and cleans them up.
31   *
32   * @see Closeable
33   */
34  public abstract class AbstractCloseableListTest {
35      private final List<Closeable> closeableList = new ArrayList<>();
36  
37      /**
38       * Adds a {@link Closeable} to close after each test.
39       *
40       * @param <T> The Closeable type
41       * @param t The Closeable.
42       * @return The Closeable.
43       * @see Closeable
44       */
45      protected <T extends Closeable> T addCloseable(final T t) {
46          closeableList.add(t);
47          return t;
48      }
49  
50      @AfterEach
51      public void cleanup() {
52          IOUtils.closeQuietly(closeableList);
53      }
54  
55      @BeforeEach
56      public void clearCloseable() {
57          closeableList.clear();
58      }
59  }