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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    *      https://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  
18  package org.apache.commons.io.file;
19  
20  import static org.junit.jupiter.api.Assertions.assertFalse;
21  import static org.junit.jupiter.api.Assertions.assertTrue;
22  
23  import java.io.IOException;
24  import java.nio.file.Files;
25  import java.nio.file.Path;
26  
27  import org.junit.jupiter.api.Test;
28  import org.junit.jupiter.api.io.TempDir;
29  
30  /**
31   * Tests {@link TempFile}.
32   */
33  class TempFileTest {
34  
35      @TempDir
36      Path tempDirPath;
37  
38      @SuppressWarnings("resource")
39      @Test
40      void testCreatePath() throws IOException {
41          final TempFile ref;
42          try (TempFile tempDir = TempFile.create(tempDirPath, "prefix", ".suffix")) {
43              ref = tempDir;
44              assertTrue(Files.exists(ref.get()));
45          }
46          assertFalse(Files.exists(ref.get()));
47  
48          // Fails with a ProviderMismatchException because the Windows FS uses "instanceof sun.nio.fs.WindowsPath".
49          // WindowsPath is a class, not an interface we can proxy.
50          // assertFalse(Files.exists(ref));
51      }
52  
53      @SuppressWarnings("resource")
54      @Test
55      void testCreateString() throws IOException {
56          final TempFile ref;
57          try (TempFile tempDir = TempFile.create(getClass().getCanonicalName(), ".suffix")) {
58              ref = tempDir;
59              assertTrue(Files.exists(ref.get()));
60          }
61          assertFalse(Files.exists(ref.get()));
62      }
63  
64  }