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Java > Open Source Codes > org > apache > tools > tar > TarRoundTripTest


1 /*
2  * Copyright 2003-2004 The Apache Software Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17 package org.apache.tools.tar;
18
19 import java.io.IOException JavaDoc;
20 import java.io.ByteArrayInputStream JavaDoc;
21 import java.io.ByteArrayOutputStream JavaDoc;
22 import junit.framework.TestCase;
23
24 public class TarRoundTripTest extends TestCase {
25
26     private static final String JavaDoc LONG_NAME
27         = "this/path/name/contains/more/than/one/hundred/characters/in/order/"
28             + "to/test/the/GNU/long/file/name/capability/round/tripped";
29
30     public TarRoundTripTest(String JavaDoc name) {
31         super(name);
32     }
33
34     /**
35      * test round-tripping long (GNU) entries
36      */
37     public void testLongRoundTripping() throws IOException JavaDoc {
38         TarEntry original = new TarEntry(LONG_NAME);
39         assertEquals("over 100 chars", true, LONG_NAME.length() > 100);
40         assertEquals("original name", LONG_NAME, original.getName());
41
42
43         ByteArrayOutputStream JavaDoc buff = new ByteArrayOutputStream JavaDoc();
44         TarOutputStream tos = new TarOutputStream(buff);
45         tos.setLongFileMode(TarOutputStream.LONGFILE_GNU);
46         tos.putNextEntry(original);
47         tos.closeEntry();
48         tos.close();
49
50         TarInputStream tis
51             = new TarInputStream(new ByteArrayInputStream JavaDoc(buff.toByteArray()));
52         TarEntry tripped = tis.getNextEntry();
53         assertEquals("round-tripped name", LONG_NAME, tripped.getName());
54         assertNull("no more entries", tis.getNextEntry());
55         tis.close();
56     }
57 }
58
59
60
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