77 lines
3.4 KiB
Java
77 lines
3.4 KiB
Java
/*******************************************************************************
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* Copyright (c) 2002 - 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.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.Util;
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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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/**
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* Check handling of class constants (test for part of 1.5 support)
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*/
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public class ClassConstantTest extends WalaTestCase {
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@Test public void testClassConstants() throws ClassHierarchyException, IllegalArgumentException, CancelException, IOException {
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AnalysisScope scope = CallGraphTestUtil.makeJ2SEAnalysisScope(TestConstants.WALA_TESTDATA,
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CallGraphTestUtil.REGRESSION_EXCLUSIONS);
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ClassHierarchy cha = ClassHierarchyFactory.make(scope);
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// make sure we have the test class
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TypeReference mainClassRef = TypeReference.findOrCreate(ClassLoaderReference.Application, TestConstants.CLASSCONSTANT_MAIN);
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Assert.assertTrue(cha.lookupClass(mainClassRef) != null);
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// make call graph
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Iterable<Entrypoint> entrypoints = Util.makeMainEntrypoints(scope, cha, TestConstants.CLASSCONSTANT_MAIN);
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AnalysisOptions options = CallGraphTestUtil.makeAnalysisOptions(scope, entrypoints);
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CallGraph cg = CallGraphTestUtil.buildZeroCFA(options, new AnalysisCacheImpl(), cha, scope, false);
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// System.out.println("\nCall graph:");
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// Trace.println(cg);
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// make sure the main method is reached
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MethodReference mainMethodRef = MethodReference.findOrCreate(mainClassRef, "main", "([Ljava/lang/String;)V");
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Set<CGNode> mainMethodNodes = cg.getNodes(mainMethodRef);
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Assert.assertFalse(mainMethodNodes.isEmpty());
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CGNode mainMethodNode = mainMethodNodes.iterator().next();
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// Trace.println("main IR:");
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// Trace.println(mainMethodNode.getIR());
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// Make sure call to hashCode is there (it uses the class constant)
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TypeReference classRef = TypeReference.findOrCreate(ClassLoaderReference.Primordial, "Ljava/lang/Class");
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MethodReference hashCodeRef = MethodReference.findOrCreate(classRef, "hashCode", "()I");
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Set<CGNode> hashCodeNodes = cg.getNodes(hashCodeRef);
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Assert.assertFalse(hashCodeNodes.isEmpty());
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// make sure call to hashCode from main
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Assert.assertTrue(cg.hasEdge(mainMethodNode, hashCodeNodes.iterator().next()));
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}
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}
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