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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.io.testtools;
18  
19  import java.io.*;
20  import static org.junit.Assert.fail;
21  
22  /**
23   * Base class for testcases doing tests with files.
24   */
25  public abstract class FileBasedTestCase  {
26  
27      private static volatile File testDir;
28  
29      @SuppressWarnings("ResultOfMethodCallIgnored")
30      public static File getTestDirectory() {
31          if (testDir == null) {
32              testDir = new File("target/test_io/").getAbsoluteFile();
33          }
34          testDir.mkdirs();
35          if (!testDir.isDirectory()) {
36              fail("Could not create directory " + testDir);
37          }
38          return testDir;
39      }
40  
41  
42  }