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/*
* 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.tools.tar;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
public class TarRoundTripTest {
private static final String LONG_NAME
= "this/path/name/contains/more/than/one/hundred/characters/in/order/"
+ "to/test/the/GNU/long/file/name/capability/round/tripped";
/**
* test round-tripping long (GNU) entries
*/
@Test
public void testLongRoundTrippingGNU() throws IOException {
testLongRoundTripping(TarOutputStream.LONGFILE_GNU);
}
/**
* test round-tripping long (POSIX) entries
*/
@Test
public void testLongRoundTrippingPOSIX() throws IOException {
testLongRoundTripping(TarOutputStream.LONGFILE_POSIX);
}
private void testLongRoundTripping(int mode) throws IOException {
TarEntry original = new TarEntry(LONG_NAME);
assertTrue("over 100 chars", LONG_NAME.length() > 100);
assertEquals("original name", LONG_NAME, original.getName());
ByteArrayOutputStream buff = new ByteArrayOutputStream();
TarOutputStream tos = new TarOutputStream(buff);
tos.setLongFileMode(mode);
tos.putNextEntry(original);
tos.closeEntry();
tos.close();
TarInputStream tis
= new TarInputStream(new ByteArrayInputStream(buff.toByteArray()));
TarEntry tripped = tis.getNextEntry();
assertEquals("round-tripped name", LONG_NAME, tripped.getName());
assertNull("no more entries", tis.getNextEntry());
tis.close();
}
}
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