75 lines
3.2 KiB
Java
75 lines
3.2 KiB
Java
/*******************************************************************************
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* Copyright (c) 2006 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.callGraph;
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import java.io.IOException;
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import java.util.Set;
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import org.junit.Assert;
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import org.junit.Test;
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import com.ibm.wala.classLoader.CallSiteReference;
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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.AnalysisOptions;
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import com.ibm.wala.ipa.callgraph.AnalysisScope;
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import com.ibm.wala.ipa.callgraph.CGNode;
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import com.ibm.wala.ipa.callgraph.CallGraph;
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import com.ibm.wala.ipa.callgraph.Entrypoint;
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import com.ibm.wala.ipa.callgraph.impl.AllApplicationEntrypoints;
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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.MethodReference;
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import com.ibm.wala.types.TypeReference;
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import com.ibm.wala.util.CancelException;
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import com.ibm.wala.util.collections.Iterator2Iterable;
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/**
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* Check properties of a call to clone() in RTA
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*/
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public class CloneTest extends WalaTestCase {
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@Test public void testClone() throws ClassHierarchyException, IllegalArgumentException, CancelException, IOException {
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AnalysisScope scope = CallGraphTestUtil.makeJ2SEAnalysisScope(TestConstants.WALA_TESTDATA, CallGraphTestUtil.REGRESSION_EXCLUSIONS);
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ClassHierarchy cha = ClassHierarchyFactory.make(scope);
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Iterable<Entrypoint> entrypoints = new AllApplicationEntrypoints(scope, cha);
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AnalysisOptions options = CallGraphTestUtil.makeAnalysisOptions(scope, entrypoints);
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CallGraph cg = CallGraphTestUtil.buildRTA(options, new AnalysisCacheImpl(),cha, scope);
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// Find node corresponding to java.text.MessageFormat.clone()
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TypeReference t = TypeReference.findOrCreate(ClassLoaderReference.Primordial, "Ljava/text/MessageFormat");
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MethodReference m = MethodReference.findOrCreate(t, "clone", "()Ljava/lang/Object;");
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CGNode node = cg.getNodes(m).iterator().next();
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// Check there's exactly one target for each super call in
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// MessageFormat.clone()
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for (CallSiteReference site : Iterator2Iterable.make(node.iterateCallSites())) {
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if (site.isSpecial()) {
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if (site.getDeclaredTarget().getDeclaringClass().equals(TypeReference.JavaLangObject)) {
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Set<CGNode> targets = cg.getPossibleTargets(node, site);
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if (targets.size() != 1) {
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System.err.println(targets.size() + " targets found for " + site);
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for (CGNode cgNode : targets) {
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System.err.println(" " + cgNode);
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}
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Assert.fail("found " + targets.size() + " targets for " + site + " in " + node);
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}
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}
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}
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}
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}
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}
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