WALA/com.ibm.wala.core.tests/src/com/ibm/wala/core/tests/ir/CFGTest.java

95 lines
3.5 KiB
Java

/*******************************************************************************
* Copyright (c) 2002 - 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.ir;
import com.ibm.wala.cfg.ControlFlowGraph;
import com.ibm.wala.classLoader.IMethod;
import com.ibm.wala.core.tests.callGraph.CallGraphTestUtil;
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.impl.Everywhere;
import com.ibm.wala.ipa.cha.ClassHierarchy;
import com.ibm.wala.ssa.IR;
import com.ibm.wala.ssa.ISSABasicBlock;
import com.ibm.wala.ssa.SSAInstruction;
import com.ibm.wala.ssa.SSAOptions;
import com.ibm.wala.types.MethodReference;
import com.ibm.wala.util.config.AnalysisScopeReader;
import com.ibm.wala.util.debug.Assertions;
import com.ibm.wala.util.graph.GraphIntegrity;
import com.ibm.wala.util.graph.GraphIntegrity.UnsoundGraphException;
import com.ibm.wala.util.io.FileProvider;
import com.ibm.wala.util.strings.StringStuff;
/**
* Test integrity of CFGs
*/
public class CFGTest extends WalaTestCase {
public static void main(String[] args) {
justThisTest(CFGTest.class);
}
/**
* Build an IR, then check integrity on two flavors of CFG
*/
private void doMethod(String methodSig) {
try {
AnalysisScope scope = AnalysisScopeReader.makePrimordialScope(FileProvider.getFile(CallGraphTestUtil.REGRESSION_EXCLUSIONS));
ClassHierarchy cha = ClassHierarchy.make(scope);
MethodReference mr = StringStuff.makeMethodReference(methodSig);
IMethod m = cha.resolveMethod(mr);
if (m == null) {
Assertions.UNREACHABLE("could not resolve " + mr);
}
AnalysisOptions options = new AnalysisOptions();
AnalysisCache cache = new AnalysisCache();
options.getSSAOptions().setPiNodePolicy(SSAOptions.getAllBuiltInPiNodes());
IR ir = cache.getSSACache().findOrCreateIR(m, Everywhere.EVERYWHERE, options.getSSAOptions());
ControlFlowGraph<SSAInstruction, ISSABasicBlock> cfg = ir.getControlFlowGraph();
try {
GraphIntegrity.check(cfg);
} catch (UnsoundGraphException e) {
e.printStackTrace();
System.err.println(ir);
assertTrue(" failed cfg integrity check for " + methodSig, false);
}
try {
GraphIntegrity.check(cfg);
} catch (UnsoundGraphException e) {
e.printStackTrace();
System.err.println(ir);
System.err.println(cfg);
assertTrue(" failed 2-exit cfg integrity check for " + methodSig, false);
}
} catch (Exception e) {
e.printStackTrace();
Assertions.UNREACHABLE();
}
}
/**
* this method does not exist in 1.5 libraries public void testFDBigInt() {
* doMethod("java.lang.FDBigInt.class$(Ljava/lang/String;)Ljava/lang/Class;"); }
*/
public void testResolveProxyClass() {
doMethod("java.io.ObjectInputStream.resolveProxyClass([Ljava/lang/String;)Ljava/lang/Class;");
}
}