gnu/testlet/java/io/Serializable/readResolve.java

// Tags: JDK1.1
// Uses: MySerializable

// Copyright (C) 2005 David Gilbert <david.gilbert@object-refinery.com>

// This file is part of Mauve.

// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.

// Mauve is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING.  If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.  */

package gnu.testlet.java.io.Serializable;

import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;

/**
 * Some checks for serialization support for the readResolve() method.
 */
public class readResolve implements Testlet {

  /**
   * Runs the test using the specified harness.
   * 
   * @param harness  the test harness (<code>null</code> not permitted).
   */
  public void test(TestHarness harness) 
  {
    MySerializable x1 = new MySerializable();
    MySerializable x2 = null;
    try 
    {
      ByteArrayOutputStream buffer = new ByteArrayOutputStream();
      ObjectOutput out = new ObjectOutputStream(buffer);
      out.writeObject(x1);
      out.close();

      ObjectInput in = new ObjectInputStream(
        new ByteArrayInputStream(buffer.toByteArray())
      );
      x2 = (MySerializable) in.readObject();
      in.close();
    }
    catch (Exception e) 
    {
      harness.debug(e);
    }
    harness.check(x2.isResolved(), true); 
  }

}