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/* *******************************************************************
* 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:
* Adrian Colyer Initial implementation
* ******************************************************************/
package org.aspectj.weaver;
import org.aspectj.weaver.bcel.BcelWorld;
import junit.framework.TestCase;
/**
* @author colyer
* @author clement
*/
public class MemberTestCase15 extends TestCase {
public void testCanBeParameterizedRegularMethod() {
BcelWorld world = new BcelWorld();
ResolvedType javaLangClass = world.resolve(UnresolvedType.forName("java/lang/Class"));
ResolvedMember[] methods = javaLangClass.getDeclaredMethods();
ResolvedMember getAnnotations = null;
for (int i = 0; i < methods.length; i++) {
if (methods[i].getName().equals("getAnnotations")) {
getAnnotations = methods[i];
break;
}
}
if (getAnnotations != null) { // so can run on non-Java 5
// System.out.println("got it");
assertFalse(getAnnotations.canBeParameterized());
}
}
public void testCanBeParameterizedGenericMethod() {
BcelWorld world = new BcelWorld();
world.setBehaveInJava5Way(true);
ResolvedType javaLangClass = world.resolve(UnresolvedType.forName("java.lang.Class"));
javaLangClass = javaLangClass.getGenericType();
if (javaLangClass == null) return; // for < 1.5
ResolvedMember[] methods = javaLangClass.getDeclaredMethods();
ResolvedMember asSubclass = null;
for (int i = 0; i < methods.length; i++) {
if (methods[i].getName().equals("asSubclass")) {
asSubclass = methods[i];
break;
}
}
if (asSubclass != null) { // so can run on non-Java 5
// System.out.println("got it");
assertTrue(asSubclass.canBeParameterized());
}
}
public void testCanBeParameterizedMethodInGenericType() {
BcelWorld world = new BcelWorld();
world.setBehaveInJava5Way(true);
ResolvedType javaUtilList = world.resolve(UnresolvedType.forName("java.util.List"));
javaUtilList = javaUtilList.getGenericType();
if (javaUtilList == null) return; // for < 1.5
ResolvedMember[] methods = javaUtilList.getDeclaredMethods();
ResolvedMember add = null;
for (int i = 0; i < methods.length; i++) {
if (methods[i].getName().equals("add")) {
add = methods[i];
break;
}
}
if (add != null) { // so can run on non-Java 5
// System.out.println("got it");
assertTrue(add.canBeParameterized());
}
}
/*
public void testGenericReferenceTypeCreation() {
UnresolvedType genericType = UnresolvedType.forGenericTypeSignature("Lorg/aspectj/weaver/MemberTestCase15$One;","<T:Ljava/lang/Object;>Ljava/lang/Object;");
assertEquals("Porg/aspectj/weaver/MemberTestCase15$One<TT;>;",genericType.getSignature());
assertEquals("Lorg/aspectj/weaver/MemberTestCase15$One;",genericType.getErasureSignature());
}
public void testMemberSignatureCreation() {
World world = new BcelWorld("../weaver5/bin/");
//new ReflectionWorld(false, getClass().getClassLoader());
world.setBehaveInJava5Way(true);
ResolvedType one = world.resolve("org.aspectj.weaver.MemberTestCase15$One<java.lang.String>");
assertNotNull(one);
assertFalse(one.isMissing());
// Look at the methods on the parameterized type One<String>
ResolvedMember member = findMethod("getter",one);
String erasedSignature = MemberImpl.typesToSignature(member.getReturnType(),member.getParameterTypes(),true);
assertEquals("()Ljava/lang/String;",erasedSignature);
String nonErasedSignature = MemberImpl.typesToSignature(member.getReturnType(),member.getParameterTypes(),false);
assertEquals("()Ljava/lang/String;",nonErasedSignature);
erasedSignature = MemberImpl.typesToSignature(member.getReturnType(),member.getParameterTypes(),true);
assertEquals("()Ljava/lang/String;",erasedSignature);
nonErasedSignature = MemberImpl.typesToSignature(member.getReturnType(),member.getParameterTypes(),false);
assertEquals("()Ljava/lang/String;",nonErasedSignature);
member = findMethod("getterTwo",one);
erasedSignature = MemberImpl.typesToSignature(member.getReturnType(),member.getParameterTypes(),true);
assertEquals("()Ljava/util/List;",erasedSignature);
nonErasedSignature = MemberImpl.typesToSignature(member.getReturnType(),member.getParameterTypes(),false);
assertEquals("()Pjava/util/List<Ljava/lang/String;>;",nonErasedSignature);
nonErasedSignature = MemberImpl.typesToSignature(member.getGenericReturnType(),member.getGenericParameterTypes(),true);
assertEquals("()Ljava/util/List;",nonErasedSignature);
nonErasedSignature = MemberImpl.typesToSignature(member.getGenericReturnType(),member.getGenericParameterTypes(),false);
assertEquals("()Pjava/util/List<Ljava/lang/String;>;",nonErasedSignature);
// Grab the generic type backing the parameterized type
ResolvedType oneGeneric = one.getGenericType();
assertTrue(oneGeneric.isGenericType());
member = findMethod("getterTwo",oneGeneric);
erasedSignature = MemberImpl.typesToSignature(member.getReturnType(),member.getParameterTypes(),true);
assertEquals("()Ljava/util/List;",erasedSignature);
erasedSignature = MemberImpl.typesToSignature(member.getReturnType(),member.getParameterTypes(),false);
assertEquals("()Ljava/util/List;",erasedSignature);
nonErasedSignature = MemberImpl.typesToSignature(member.getReturnType(),member.getParameterTypes(),false);
assertEquals("()Pjava/util/List<TT;>;",nonErasedSignature);
nonErasedSignature = MemberImpl.typesToSignature(member.getGenericReturnType(),member.getGenericParameterTypes(),false);
assertEquals("()Ljava/util/List;",nonErasedSignature);
ResolvedType oneRaw = oneGeneric.getRawType();
member = findMethod("getterTwo",oneRaw);
}
private ResolvedMember findMethod(String name, ResolvedType type) {
ResolvedMember[] members = type.getDeclaredMethods();
for (ResolvedMember member: members) {
if (member.getName().equals(name)) {
return member;
}
}
return null;
}
// testcode
class One<T> {
T t;
T getter() {
return null;
}
List<T> getterTwo() {
return null;
}
}
*/
}
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