77 lines
3.2 KiB
Java
77 lines
3.2 KiB
Java
/*******************************************************************************
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* Copyright (c) 2008 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available 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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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package com.ibm.wala.core.tests.cha;
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import com.ibm.wala.classLoader.IClass;
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import com.ibm.wala.classLoader.IMethod;
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import com.ibm.wala.classLoader.PhantomClass;
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import com.ibm.wala.core.tests.util.TestConstants;
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import com.ibm.wala.core.tests.util.WalaTestCase;
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import com.ibm.wala.ipa.callgraph.AnalysisCacheImpl;
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import com.ibm.wala.ipa.callgraph.AnalysisScope;
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import com.ibm.wala.ipa.callgraph.IAnalysisCacheView;
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import com.ibm.wala.ipa.cha.ClassHierarchy;
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import com.ibm.wala.ipa.cha.ClassHierarchyException;
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import com.ibm.wala.ipa.cha.ClassHierarchyFactory;
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import com.ibm.wala.types.ClassLoaderReference;
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import com.ibm.wala.types.TypeReference;
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import com.ibm.wala.util.config.AnalysisScopeReader;
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import com.ibm.wala.util.io.FileProvider;
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import org.junit.Assert;
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import org.junit.Test;
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import java.io.IOException;
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import java.util.Collection;
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public class MissingSuperTest extends WalaTestCase {
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/**
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* Test handling of an invalid class where a non-abstract method has no code.
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* We want to throw an exception rather than crash.
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*
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* @throws IOException
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* @throws ClassHierarchyException
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*/
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@Test
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public void testMissingSuper() throws IOException, ClassHierarchyException {
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AnalysisScope scope = AnalysisScopeReader.readJavaScope(TestConstants.WALA_TESTDATA,
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(new FileProvider()).getFile("J2SEClassHierarchyExclusions.txt"),
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MissingSuperTest.class.getClassLoader());
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TypeReference ref = TypeReference.findOrCreate(ClassLoaderReference.Application,
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"Lmissingsuper/MissingSuper");
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// without phantom classes, won't be able to resolve
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ClassHierarchy cha = ClassHierarchyFactory.make(scope);
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Assert.assertNull("lookup should not work", cha.lookupClass(ref));
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// with phantom classes, lookup and IR construction should work
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cha = ClassHierarchyFactory.makeWithPhantom(scope);
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IClass klass = cha.lookupClass(ref);
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Assert.assertNotNull("expected class MissingSuper to load", klass);
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IAnalysisCacheView cache = new AnalysisCacheImpl();
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Collection<? extends IMethod> declaredMethods = klass.getDeclaredMethods();
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Assert.assertEquals(declaredMethods.toString(), 2, declaredMethods.size());
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for (IMethod m : declaredMethods) {
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// should succeed
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cache.getIR(m);
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}
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// there should be one PhantomClass in the Application class loader
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boolean found = false;
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for (IClass klass2: cha) {
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if (klass2 instanceof PhantomClass && klass2.getReference().getClassLoader().equals
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(ClassLoaderReference.Application)) {
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Assert.assertEquals("Lmissingsuper/Super", klass2.getReference().getName().toString());
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found = true;
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}
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}
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Assert.assertTrue(found);
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}
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}
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