blob: 97a010f6ccc2f16ecd29bdac195c80f02f858748 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.commons.compress.compressors.deflate;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.compress.AbstractTestCase;
import org.apache.commons.compress.utils.IOUtils;
import org.junit.Assert;
import org.junit.Test;
public class DeflateCompressorInputStreamTest {
@Test
public void availableShouldReturnNonZero() throws IOException {
final File input = AbstractTestCase.getFile("bla.tar.deflatez");
try (InputStream is = new FileInputStream(input)) {
final DeflateCompressorInputStream in =
new DeflateCompressorInputStream(is);
Assert.assertTrue(in.available() > 0);
in.close();
}
}
@Test
public void shouldBeAbleToSkipAByte() throws IOException {
final File input = AbstractTestCase.getFile("bla.tar.deflatez");
try (InputStream is = new FileInputStream(input)) {
final DeflateCompressorInputStream in =
new DeflateCompressorInputStream(is);
Assert.assertEquals(1, in.skip(1));
in.close();
}
}
@Test
public void singleByteReadWorksAsExpected() throws IOException {
final File input = AbstractTestCase.getFile("bla.tar.deflatez");
try (InputStream is = new FileInputStream(input)) {
final DeflateCompressorInputStream in =
new DeflateCompressorInputStream(is);
// tar header starts with filename "test1.xml"
Assert.assertEquals('t', in.read());
in.close();
}
}
@Test
public void singleByteReadConsistentlyReturnsMinusOneAtEof() throws IOException {
final File input = AbstractTestCase.getFile("bla.tar.deflatez");
try (InputStream is = new FileInputStream(input)) {
final DeflateCompressorInputStream in =
new DeflateCompressorInputStream(is);
IOUtils.toByteArray(in);
Assert.assertEquals(-1, in.read());
Assert.assertEquals(-1, in.read());
in.close();
}
}
@Test
public void multiByteReadConsistentlyReturnsMinusOneAtEof() throws IOException {
final File input = AbstractTestCase.getFile("bla.tar.deflatez");
byte[] buf = new byte[2];
try (InputStream is = new FileInputStream(input)) {
final DeflateCompressorInputStream in =
new DeflateCompressorInputStream(is);
IOUtils.toByteArray(in);
Assert.assertEquals(-1, in.read(buf));
Assert.assertEquals(-1, in.read(buf));
in.close();
}
}
}
|
