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99 lines
4.4 KiB
Java
99 lines
4.4 KiB
Java
/* *******************************************************************
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* Copyright (c) 2004 IBM
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* All rights reserved.
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* This program and the accompanying materials are made available
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* under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* Andy Clement - initial implementation
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* ******************************************************************/
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package org.aspectj.apache.bcel.classfile.tests;
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import java.io.File;
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import java.io.IOException;
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import org.aspectj.apache.bcel.classfile.Attribute;
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import org.aspectj.apache.bcel.classfile.ConstantPool;
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import org.aspectj.apache.bcel.classfile.EnclosingMethod;
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import org.aspectj.apache.bcel.classfile.JavaClass;
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import org.aspectj.apache.bcel.util.SyntheticRepository;
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public class EnclosingMethodAttributeTest extends BcelTestCase {
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@Override
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protected void setUp() throws Exception {
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super.setUp();
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}
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/**
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* Verify for an inner class declared inside the 'main' method that the enclosing method attribute is set correctly.
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*/
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public void testCheckMethodLevelNamedInnerClass() throws ClassNotFoundException {
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SyntheticRepository repos = createRepos("testcode.jar");
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JavaClass clazz = repos.loadClass("AttributeTestClassEM01$1S");
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ConstantPool pool = clazz.getConstantPool();
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Attribute[] encMethodAttrs = findAttribute("EnclosingMethod", clazz);
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assertTrue("Expected 1 EnclosingMethod attribute but found " + encMethodAttrs.length, encMethodAttrs.length == 1);
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EnclosingMethod em = (EnclosingMethod) encMethodAttrs[0];
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String enclosingClassName = em.getEnclosingClass().getClassname(pool);
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String enclosingMethodName = em.getEnclosingMethod().getName(pool);
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assertTrue("Expected class name to be 'AttributeTestClassEM01' but was " + enclosingClassName, enclosingClassName
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.equals("AttributeTestClassEM01"));
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assertTrue("Expected method name to be 'main' but was " + enclosingMethodName, enclosingMethodName.equals("main"));
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}
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/**
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* Verify for an inner class declared at the type level that the EnclosingMethod attribute is set correctly (i.e. to a null
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* value)
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*/
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public void testCheckClassLevelNamedInnerClass() throws ClassNotFoundException {
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SyntheticRepository repos = createRepos("testcode.jar");
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JavaClass clazz = repos.loadClass("AttributeTestClassEM02$1");
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ConstantPool pool = clazz.getConstantPool();
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Attribute[] encMethodAttrs = findAttribute("EnclosingMethod", clazz);
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assertTrue("Expected 1 EnclosingMethod attribute but found " + encMethodAttrs.length, encMethodAttrs.length == 1);
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EnclosingMethod em = (EnclosingMethod) encMethodAttrs[0];
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String enclosingClassName = em.getEnclosingClass().getClassname(pool);
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assertTrue("The class is not within a method, so method_index should be null, but it is " + em.getEnclosingMethodIndex(),
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em.getEnclosingMethodIndex() == 0);
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assertTrue("Expected class name to be 'AttributeTestClassEM02' but was " + enclosingClassName, enclosingClassName
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.equals("AttributeTestClassEM02"));
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}
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/**
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* Check that we can save and load the attribute correctly.
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*/
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public void testAttributeSerializtion() throws ClassNotFoundException, IOException {
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// Read in the class
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SyntheticRepository repos = createRepos("testcode.jar");
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JavaClass clazz = repos.loadClass("AttributeTestClassEM02$1");
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ConstantPool pool = clazz.getConstantPool();
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Attribute[] encMethodAttrs = findAttribute("EnclosingMethod", clazz);
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assertTrue("Expected 1 EnclosingMethod attribute but found " + encMethodAttrs.length, encMethodAttrs.length == 1);
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// Write it out
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File tfile = createTestdataFile("AttributeTestClassEM02$1.class");
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clazz.dump(tfile);
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// Read in the new version and check it is OK
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SyntheticRepository repos2 = createRepos(".");
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JavaClass clazz2 = repos2.loadClass("AttributeTestClassEM02$1");
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EnclosingMethod em = (EnclosingMethod) encMethodAttrs[0];
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String enclosingClassName = em.getEnclosingClass().getClassname(pool);
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assertTrue("The class is not within a method, so method_index should be null, but it is " + em.getEnclosingMethodIndex(),
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em.getEnclosingMethodIndex() == 0);
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assertTrue("Expected class name to be 'AttributeTestClassEM02' but was " + enclosingClassName, enclosingClassName
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.equals("AttributeTestClassEM02"));
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assertTrue(tfile.delete());
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}
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@Override
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protected void tearDown() throws Exception {
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super.tearDown();
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}
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}
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