package org.apache.maven.artifact.versioning;
   
   /*
    * 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.
   */
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  
  import java.io.IOException;
  import java.nio.file.FileVisitResult;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.nio.file.Paths;
  import java.nio.file.SimpleFileVisitor;
  import java.nio.file.attribute.BasicFileAttributes;
  import java.util.regex.Pattern;
  
  import org.junit.Test;
  
  public class ComparableVersionIT
  {
  
      @Test
      public void test()
          throws Exception
      {
          Files.walkFileTree( Paths.get( "target" ), new SimpleFileVisitor<Path>()
          {
              Pattern mavenArtifactJar = Pattern.compile( "maven-artifact-[\\d.]+(-SNAPSHOT)?\\.jar" );
  
              @Override
              public FileVisitResult visitFile( Path file, BasicFileAttributes attrs )
                  throws IOException
              {
                  String filename = file.getFileName().toString();
                  if ( mavenArtifactJar.matcher( filename ).matches() )
                  {
                      Process p = Runtime.getRuntime().exec( new String[] {
                          Paths.get( System.getProperty( "java.home" ), "bin/java" ).toString(), 
                          "-jar",
                          file.toAbsolutePath().toString(), 
                          "5.32", 
                          "5.27" } );
  
                      try
                      {
                          assertEquals( "Unexpected exit code", 0, p.waitFor() );
                      }
                      catch ( InterruptedException e )
                      {
                          fail( e.getMessage() );
                      }
                      return FileVisitResult.TERMINATE;
                  }
                  else
                  {
                      return FileVisitResult.CONTINUE;
                  }
              }
  
              @Override
              public FileVisitResult preVisitDirectory( Path dir, BasicFileAttributes attrs )
                  throws IOException
              {
                  if ( Paths.get( "target" ).equals( dir ) )
                  {
                      return FileVisitResult.CONTINUE;
                  }
                  else
                  {
                      return FileVisitResult.SKIP_SUBTREE;
                  }
              }
          } );
      }
  
  }