/*
    * Copyright  2003-2004 The Apache Software Foundation
    *
    *  Licensed 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.codehaus.plexus.archiver.tar;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  
  import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
  import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
  import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * from org.apache.ant.tools.tar.TarRoundTripTest v1.6
   */
  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
      void testLongRoundTripping() throws IOException {
          TarArchiveEntry original = new TarArchiveEntry(LONG_NAME);
          assertTrue(LONG_NAME.length() > 100, "over 100 chars");
          assertEquals(LONG_NAME, original.getName(), "original name");
  
          ByteArrayOutputStream buff = new ByteArrayOutputStream();
          TarArchiveOutputStream tos = new TarArchiveOutputStream(buff);
          tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_GNU);
          tos.putArchiveEntry(original);
          tos.closeArchiveEntry();
          tos.close();
  
          TarArchiveInputStream tis = new TarArchiveInputStream(new ByteArrayInputStream(buff.toByteArray()));
          TarArchiveEntry tripped = tis.getNextTarEntry();
          assertEquals(LONG_NAME, tripped.getName(), "round-tripped name");
          assertNull(tis.getNextEntry(), "no more entries");
          tis.close();
      }
  }