WALA/com.ibm.wala.core.tests/src/com/ibm/wala/core/tests/ptrs/MultiDimArrayTest.java

87 lines
3.2 KiB
Java

/*******************************************************************************
* Copyright (c) 2006 IBM Corporation.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package com.ibm.wala.core.tests.ptrs;
import java.io.IOException;
import java.util.Iterator;
import org.junit.Assert;
import org.junit.Test;
import com.ibm.wala.core.tests.callGraph.CallGraphTestUtil;
import com.ibm.wala.core.tests.util.TestConstants;
import com.ibm.wala.core.tests.util.WalaTestCase;
import com.ibm.wala.ipa.callgraph.AnalysisCache;
import com.ibm.wala.ipa.callgraph.AnalysisOptions;
import com.ibm.wala.ipa.callgraph.AnalysisScope;
import com.ibm.wala.ipa.callgraph.CGNode;
import com.ibm.wala.ipa.callgraph.CallGraph;
import com.ibm.wala.ipa.callgraph.CallGraphBuilder;
import com.ibm.wala.ipa.callgraph.Entrypoint;
import com.ibm.wala.ipa.callgraph.impl.Util;
import com.ibm.wala.ipa.callgraph.propagation.InstanceKey;
import com.ibm.wala.ipa.callgraph.propagation.PointerAnalysis;
import com.ibm.wala.ipa.callgraph.propagation.PointerKey;
import com.ibm.wala.ipa.cha.ClassHierarchy;
import com.ibm.wala.ipa.cha.ClassHierarchyException;
import com.ibm.wala.util.CancelException;
import com.ibm.wala.util.debug.Assertions;
import com.ibm.wala.util.intset.OrdinalSet;
/**
*
* Test for pointer analysis of multidimensional arrays
*
* @author sfink
*/
public class MultiDimArrayTest extends WalaTestCase {
public static void main(String[] args) {
justThisTest(MultiDimArrayTest.class);
}
public MultiDimArrayTest() {
}
@Test public void testMultiDim() throws ClassHierarchyException, IllegalArgumentException, CancelException, IOException {
AnalysisScope scope = CallGraphTestUtil.makeJ2SEAnalysisScope(TestConstants.WALA_TESTDATA, CallGraphTestUtil.REGRESSION_EXCLUSIONS);
ClassHierarchy cha = ClassHierarchy.make(scope);
Iterable<Entrypoint> entrypoints = com.ibm.wala.ipa.callgraph.impl.Util
.makeMainEntrypoints(scope, cha, TestConstants.MULTI_DIM_MAIN);
AnalysisOptions options = CallGraphTestUtil.makeAnalysisOptions(scope, entrypoints);
CallGraphBuilder builder = Util.makeVanillaZeroOneCFABuilder(options, new AnalysisCache(),cha, scope);
CallGraph cg = builder.makeCallGraph(options, null);
PointerAnalysis<InstanceKey> pa = builder.getPointerAnalysis();
CGNode node = findDoNothingNode(cg);
PointerKey pk = pa.getHeapModel().getPointerKeyForLocal(node, 1);
OrdinalSet<InstanceKey> ptsTo = pa.getPointsToSet(pk);
Assert.assertEquals(1, ptsTo.size());
}
private final static CGNode findDoNothingNode(CallGraph cg) {
for (Iterator<? extends CGNode> it = cg.iterator(); it.hasNext(); ) {
CGNode n = it.next();
if (n.getMethod().getName().toString().equals("doNothing")) {
return n;
}
}
Assertions.UNREACHABLE("Unexpected: failed to find doNothing node");
return null;
}
}