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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  
18  package org.apache.commons.io.file;
19  
20  import java.io.IOException;
21  import java.nio.file.Path;
22  import java.nio.file.Paths;
23  
24  import org.junit.jupiter.api.Assertions;
25  import org.junit.jupiter.api.Test;
26  
27  /**
28   * Tests {@link PathUtils}.
29   */
30  public class PathUtilsIsEmptyTest {
31  
32      public static final Path DIR_SIZE_1 = Paths.get("src/test/resources/org/apache/commons/io/dirs-1-file-size-1");
33  
34      private static final Path FILE_SIZE_0 = Paths
35              .get("src/test/resources/org/apache/commons/io/dirs-1-file-size-0/file-size-0.bin");
36  
37      private static final Path FILE_SIZE_1 = Paths
38              .get("src/test/resources/org/apache/commons/io/dirs-1-file-size-1/file-size-1.bin");
39  
40      @Test
41      public void testIsEmpty() throws IOException {
42          Assertions.assertTrue(PathUtils.isEmpty(FILE_SIZE_0));
43          Assertions.assertFalse(PathUtils.isEmpty(FILE_SIZE_1));
44          try (TempDirectory tempDir = TempDirectory.create(getClass().getCanonicalName())) {
45              Assertions.assertTrue(PathUtils.isEmpty(tempDir.get()));
46          }
47          Assertions.assertFalse(PathUtils.isEmpty(DIR_SIZE_1));
48      }
49  
50      @Test
51      public void testIsEmptyDirectory() throws IOException {
52          try (TempDirectory tempDir = TempDirectory.create(getClass().getCanonicalName())) {
53              Assertions.assertTrue(PathUtils.isEmptyDirectory(tempDir.get()));
54          }
55          Assertions.assertFalse(PathUtils.isEmptyDirectory(DIR_SIZE_1));
56      }
57  
58      @Test
59      public void testisEmptyFile() throws IOException {
60          Assertions.assertTrue(PathUtils.isEmptyFile(FILE_SIZE_0));
61          Assertions.assertFalse(PathUtils.isEmptyFile(FILE_SIZE_1));
62      }
63  }