/*
 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

package com.github.dcevm.test.transformer;

import com.github.dcevm.test.category.Full;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;

import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
import static com.github.dcevm.test.util.HotSwapTestHelper.__version__;
import static org.junit.Assert.assertEquals;

class BaseClass {
  public void $transformer() {
    transformerExecuted();
  }

  public void transformerExecuted() {

  }
}

/**
 * Tests for executing the transformer of a base class.
 *
 * @author Thomas Wuerthinger
 */
@Category(Full.class)
public class BaseClassTransformerTest {

  // Version 0
  public static class A {

    public int x = 2;
  }

  // Version 3
  public static class A___1 extends BaseClass {

    public int x;

    @Override
    public void transformerExecuted() {
      System.out.println("Transformer of A executing...");
      x = x * 2;
    }
  }


  @Before
  public void setUp() throws Exception {
    __toVersion__(0);
  }

  @Test
  public void testSimpleTransformer() {

    assert __version__() == 0;

    A a = new A();

    assertEquals(2, a.x);

    __toVersion__(1);

    assertEquals(4, a.x);

    __toVersion__(0);

    assertEquals(4, a.x);

    __toVersion__(1);

    assertEquals(8, a.x);

    __toVersion__(0);

    assertEquals(8, a.x);
  }
}
