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/* *******************************************************************
* Copyright (c) 2004 IBM
* 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://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Andy Clement - initial implementation
* ******************************************************************/
package org.aspectj.apache.bcel.classfile.tests;
import java.io.File;
import java.io.IOException;
import org.aspectj.apache.bcel.classfile.Attribute;
import org.aspectj.apache.bcel.classfile.ConstantPool;
import org.aspectj.apache.bcel.classfile.EnclosingMethod;
import org.aspectj.apache.bcel.classfile.JavaClass;
import org.aspectj.apache.bcel.util.SyntheticRepository;
public class EnclosingMethodAttributeTest extends BcelTestCase {
@Override
protected void setUp() throws Exception {
super.setUp();
}
/**
* Verify for an inner class declared inside the 'main' method that the enclosing method attribute is set correctly.
*/
public void testCheckMethodLevelNamedInnerClass() throws ClassNotFoundException {
SyntheticRepository repos = createRepos("testcode.jar");
JavaClass clazz = repos.loadClass("AttributeTestClassEM01$1S");
ConstantPool pool = clazz.getConstantPool();
Attribute[] encMethodAttrs = findAttribute("EnclosingMethod", clazz);
assertTrue("Expected 1 EnclosingMethod attribute but found " + encMethodAttrs.length, encMethodAttrs.length == 1);
EnclosingMethod em = (EnclosingMethod) encMethodAttrs[0];
String enclosingClassName = em.getEnclosingClass().getClassname(pool);
String enclosingMethodName = em.getEnclosingMethod().getName(pool);
assertTrue("Expected class name to be 'AttributeTestClassEM01' but was " + enclosingClassName, enclosingClassName
.equals("AttributeTestClassEM01"));
assertTrue("Expected method name to be 'main' but was " + enclosingMethodName, enclosingMethodName.equals("main"));
}
/**
* Verify for an inner class declared at the type level that the EnclosingMethod attribute is set correctly (i.e. to a null
* value)
*/
public void testCheckClassLevelNamedInnerClass() throws ClassNotFoundException {
SyntheticRepository repos = createRepos("testcode.jar");
JavaClass clazz = repos.loadClass("AttributeTestClassEM02$1");
ConstantPool pool = clazz.getConstantPool();
Attribute[] encMethodAttrs = findAttribute("EnclosingMethod", clazz);
assertTrue("Expected 1 EnclosingMethod attribute but found " + encMethodAttrs.length, encMethodAttrs.length == 1);
EnclosingMethod em = (EnclosingMethod) encMethodAttrs[0];
String enclosingClassName = em.getEnclosingClass().getClassname(pool);
assertTrue("The class is not within a method, so method_index should be null, but it is " + em.getEnclosingMethodIndex(),
em.getEnclosingMethodIndex() == 0);
assertTrue("Expected class name to be 'AttributeTestClassEM02' but was " + enclosingClassName, enclosingClassName
.equals("AttributeTestClassEM02"));
}
/**
* Check that we can save and load the attribute correctly.
*/
public void testAttributeSerializtion() throws ClassNotFoundException, IOException {
// Read in the class
SyntheticRepository repos = createRepos("testcode.jar");
JavaClass clazz = repos.loadClass("AttributeTestClassEM02$1");
ConstantPool pool = clazz.getConstantPool();
Attribute[] encMethodAttrs = findAttribute("EnclosingMethod", clazz);
assertTrue("Expected 1 EnclosingMethod attribute but found " + encMethodAttrs.length, encMethodAttrs.length == 1);
// Write it out
File tfile = createTestdataFile("AttributeTestClassEM02$1.class");
clazz.dump(tfile);
// Read in the new version and check it is OK
SyntheticRepository repos2 = createRepos(".");
JavaClass clazz2 = repos2.loadClass("AttributeTestClassEM02$1");
EnclosingMethod em = (EnclosingMethod) encMethodAttrs[0];
String enclosingClassName = em.getEnclosingClass().getClassname(pool);
assertTrue("The class is not within a method, so method_index should be null, but it is " + em.getEnclosingMethodIndex(),
em.getEnclosingMethodIndex() == 0);
assertTrue("Expected class name to be 'AttributeTestClassEM02' but was " + enclosingClassName, enclosingClassName
.equals("AttributeTestClassEM02"));
assertTrue(tfile.delete());
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
}
}
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