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.vfs2.provider.local;
18
19 import java.io.File;
20 import java.io.IOException;
21 import java.io.InputStream;
22
23 import org.apache.commons.vfs2.util.RandomAccessMode;
24 import org.junit.Assert;
25 import org.junit.Test;
26
27 /**
28 * @since 2.7.0
29 */
30 public class LocalFileRandomAccessContentTestCase {
31
32 private final int EOF = -1;
33
34 /**
35 * test LocalFileRandomAccessContent InputStream read one byte 0xff; see VFS-624
36 **/
37 @Test
38 public void testInputStreamRead0xff() throws IOException {
39 // open test file,this file has only one byte data 0xff
40 final File file = new File("src/test/resources/test-data/0xff_file.txt");
41
42 // read test data,first data should be 0xFF instead of -1. Will read -1 finally (EOF)
43 try (InputStream in = new LocalFileRandomAccessContent(file, RandomAccessMode.READ).getInputStream()) {
44 // read first data
45 final int read = in.read();
46 Assert.assertNotEquals(EOF, read);
47 Assert.assertEquals(0xFF, read);
48
49 // read EOF
50 Assert.assertEquals(EOF, in.read());
51 }
52 }
53 }