org.aspectj/weaver/testsrc/org/aspectj/weaver/patterns/ConcretizationTestCase.java

/* *******************************************************************
 * Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
 * All rights reserved. 
 * This program and the accompanying materials are made available 
 * under the terms of the Common Public License v1.0 
 * which accompanies this distribution and is available at 
 * http://www.eclipse.org/legal/cpl-v10.html 
 *  
 * Contributors: 
 *     PARC     initial implementation 
 * ******************************************************************/


package org.aspectj.weaver.patterns;

import java.io.*;
import java.util.*;

import org.aspectj.testing.util.TestUtil;
import org.aspectj.weaver.*;
import org.aspectj.weaver.bcel.*;
import org.aspectj.weaver.bcel.WeaveTestCase;

public class ConcretizationTestCase extends WeaveTestCase {
	{
		regenerate = false;
	}
	public ConcretizationTestCase(String name) {
		super(name);
	}
		
    String[] none = new String[0];
	
	
	public void testCflowResidual() throws IOException {
		
		BcelAdvice a = (BcelAdvice) makeConcreteTestAdviceEntryPart();
		
		TestShadow shadow = new TestShadow(Shadow.MethodCall, 
			Member.methodFromString("int Aspect.i(int x)"), 
			TypeX.OBJECT, 
			world);
		
		ExposedState state = new ExposedState(1);
		
		a.specializeOn(shadow);

		//System.err.println(shadow);
		//System.err.println(a);

		//System.err.println(a.exposedState);
		
		
	}

	
	
	public Advice makeConcreteTestAdviceEntryPart() throws IOException {
		// XXX copied from below, refactor later


		// returns the advice for the entry part of cflow(foo(a))
		Pointcut in =
			createResolvedPointcut(
				"cflow(foo(a)) && (args(b) && !cflow(foo(int)))",
				new String[] { "b", "a" },
				new String[] { "float", "int" });

		ResolvedPointcutDefinition ref =
			new ResolvedPointcutDefinition(
				TypeX.forName("Aspect"),
				0,
				"foo",
				new TypeX[] { ResolvedTypeX.INT },
				createResolvedPointcut(
					"args(refA)",
					new String[] { "refA" },
					new String[] { "int" }));
		BcelObjectType target = (BcelObjectType) world.resolve("Aspect");

		// now munge this to get the pointcut in it

		target.addPointcutDefinition(ref);
		CrosscuttingMembers xcut = new CrosscuttingMembers(target);
		target.crosscuttingMembers = xcut;

		Advice adviceMember =
			new BcelAdvice(
				AdviceKind.Before,
				in,
				Member.method(TypeX.forName("FOO"), 0, "garadf", "(FI)V"),
				0,
				0, 0, null, 
				null);
		// The pointcut to concretize

		// this returns the actual advice, but we don't care about it now.
		in.concretize(target, 2, adviceMember);
		
		List c = (List)xcut.getCflowEntries(); //target.getExtraConcreteShadowMungers();
		
		return (Advice) c.get(0);
	}
	
	public void XtestCflow() throws IOException {
		Pointcut in = createResolvedPointcut("cflow(foo(a)) && (args(b) && !cflow(foo(int)))", 
				new String[] {"b", "a"}, new String[] {"float", "int"} ); 

		ResolvedPointcutDefinition ref = 
			new ResolvedPointcutDefinition(TypeX.forName("Aspect"), 
				0, "foo", new TypeX[] { ResolvedTypeX.INT }, 
				createResolvedPointcut("args(refA)",
					new String[] {"refA"}, new String[] {"int"}));

		List expectedSlots = new ArrayList();		
		expectedSlots.add(new ConcreteCflowPointcut.Slot(1, ResolvedTypeX.INT, 0));

		checkConcr(in, ref, expectedSlots);
	}
	
	public void checkConcr(
		Pointcut in, 
		ResolvedPointcutDefinition referredTo, 
		List expectedSlots) throws IOException {
		
		BcelObjectType target = (BcelObjectType)world.resolve("Aspect");
		
		// now munge this to get the pointcut in it
		
		target.addPointcutDefinition(referredTo);
		
		
		Advice adviceMember = new BcelAdvice(AdviceKind.Before, in, 
			Member.method(TypeX.forName("FOO"), 0, "garadf", "(FI)V"), 0, 0, 0, null, null);
		
		// The pointcut to concretize
		AndPointcut ap = (AndPointcut)in.concretize(target, 2, adviceMember);
		
		
		ConcreteCflowPointcut conc = (ConcreteCflowPointcut)ap.left;
		
		List slots = conc.slots;
		TestUtil.assertSetEquals(expectedSlots, slots);

	}
		
		
	public Pointcut createResolvedPointcut(
		String pointcutSource, String[] formalNames, String[] formalTypes) {
        final Pointcut sp = Pointcut.fromString(pointcutSource);
        final Pointcut rp =
            sp.resolve(
            	new SimpleScope(
            	world,
                SimpleScope.makeFormalBindings(TypeX.forNames(formalTypes),
                formalNames)
                ));
		return rp;
	}
}