/*******************************************************************************
 * Copyright (c) 2005 Contributors.
 * All rights reserved. 
 * This program and the accompanying materials are made available 
 * under the terms of the Eclipse Public License v1.0 
 * which accompanies this distribution and is available at 
 * http://eclipse.org/legal/epl-v10.html 
 * 
 * Contributors:
 *   Matthew Webster         initial implementation
 *******************************************************************************/
package org.aspectj.systemtest.ajc150.ltw;

import java.io.File;
import java.util.Enumeration;
import java.util.Properties;

import junit.framework.Test;

import org.aspectj.testing.XMLBasedAjcTestCase;
import org.aspectj.weaver.tools.WeavingAdaptor;

public class LTWTests extends org.aspectj.testing.XMLBasedAjcTestCase {

  public static Test suite() {
    return XMLBasedAjcTestCase.loadSuite(LTWTests.class);
  }

  protected File getSpecFile() {
    return new File("../tests/src/org/aspectj/systemtest/ajc150/ltw/ltw.xml");
  }


  	public void test001(){
  		runTest("Ensure 1st aspect is rewoven when weaving 2nd aspect");
  	}

	public void testOutxmlFile (){
	    runTest("Ensure valid aop.xml file is generated");
	}
	public void testOutxmlJar (){
	    runTest("Ensure valid aop.xml is generated for -outjar");
	}
	
  	public void testNoAopxml(){
  		setSystemProperty(WeavingAdaptor.WEAVING_ADAPTOR_VERBOSE,"true");
  		runTest("Ensure no weaving without visible aop.xml");
  	}

	public void testDefineConcreteAspect(){
  		runTest("Define concrete sub-aspect using aop.xml");
  	}

  	public void testDeclareAbstractAspect(){
//		setSystemProperty(WeavingAdaptor.WEAVING_ADAPTOR_VERBOSE,"true");
//		setSystemProperty(WeavingAdaptor.SHOW_WEAVE_INFO_PROPERTY,"true");
  		runTest("Use abstract aspect for ITD using aop.xml");
  	}

  	/*
  	 * Allow system properties to be set and restored
  	 * TODO maw move to XMLBasedAjcTestCase or RunSpec
  	 */
	private final static String NULL = "null";

	private Properties savedProperties;
  	
	protected void setSystemProperty (String key, String value) {
		Properties systemProperties = System.getProperties();
		copyProperty(key,systemProperties,savedProperties);
		systemProperties.setProperty(key,value);
	}
	
	private static void copyProperty (String key, Properties from, Properties to) {
		String value = from.getProperty(key,NULL);
		to.setProperty(key,value);
	}

	protected void setUp() throws Exception {
		super.setUp();
		savedProperties = new Properties();
	}

	protected void tearDown() throws Exception {
		super.tearDown();
		
		/* Restore system properties */
		Properties systemProperties = System.getProperties();
		for (Enumeration enu = savedProperties.keys(); enu.hasMoreElements(); ) {
			String key = (String)enu.nextElement();
			String value = savedProperties.getProperty(key);
			if (value == NULL) systemProperties.remove(key);
			else systemProperties.setProperty(key,value);
		}
	}
}