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

88 lines
3.7 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 java.io.IOException;
import org.junit.Assert;
import org.junit.Test;
import com.ibm.wala.analysis.typeInference.TypeInference;
import com.ibm.wala.classLoader.IClass;
import com.ibm.wala.classLoader.IMethod;
import com.ibm.wala.classLoader.ShrikeCTMethod;
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.impl.Everywhere;
import com.ibm.wala.ipa.cha.ClassHierarchy;
import com.ibm.wala.ipa.cha.ClassHierarchyException;
import com.ibm.wala.ssa.IR;
import com.ibm.wala.types.Descriptor;
import com.ibm.wala.types.Selector;
import com.ibm.wala.types.TypeReference;
import com.ibm.wala.util.config.AnalysisScopeReader;
import com.ibm.wala.util.io.FileProvider;
import com.ibm.wala.util.strings.Atom;
/**
* tests for weird corner cases, such as when the input program doesn't verify
*
* @author sfink
*/
public class CornerCasesTest extends WalaTestCase {
private static final ClassLoader MY_CLASSLOADER = CornerCasesTest.class.getClassLoader();
/**
* test that getMethod() works even if a declared ancestor interface doesn't
* exist
*
* @throws ClassHierarchyException
* @throws IOException
*/
@Test public void testBug38484() throws ClassHierarchyException, IOException {
AnalysisScope scope = null;
scope = AnalysisScopeReader.readJavaScope(TestConstants.WALA_TESTDATA, (new FileProvider()).getFile("J2SEClassHierarchyExclusions.txt"), MY_CLASSLOADER);
ClassHierarchy cha = ClassHierarchy.make(scope);
TypeReference t = TypeReference.findOrCreateClass(scope.getApplicationLoader(), "cornerCases", "YuckyInterface");
IClass klass = cha.lookupClass(t);
Assert.assertTrue(klass != null);
IMethod m = klass.getMethod(new Selector(Atom.findOrCreateAsciiAtom("x"), Descriptor.findOrCreateUTF8("()V")));
Assert.assertTrue(m == null);
}
/**
* test that type inference works in the presence of a getfield where the
* field's declared type cannot be loaded
*
* @throws ClassHierarchyException
* @throws IOException
*/
@Test public void testBug38540() throws ClassHierarchyException, IOException {
AnalysisScope scope = null;
scope = AnalysisScopeReader.readJavaScope(TestConstants.WALA_TESTDATA, (new FileProvider()).getFile("J2SEClassHierarchyExclusions.txt"), MY_CLASSLOADER);
AnalysisOptions options = new AnalysisOptions();
ClassHierarchy cha = ClassHierarchy.make(scope);
TypeReference t = TypeReference.findOrCreateClass(scope.getApplicationLoader(), "cornerCases", "Main");
IClass klass = cha.lookupClass(t);
Assert.assertTrue(klass != null);
ShrikeCTMethod m = (ShrikeCTMethod) klass.getMethod(new Selector(Atom.findOrCreateAsciiAtom("foo"), Descriptor
.findOrCreateUTF8("()Ljava/lang/Object;")));
Assert.assertTrue(m != null);
IR ir = new AnalysisCache().getSSACache().findOrCreateIR(m, Everywhere.EVERYWHERE, options.getSSAOptions());
TypeInference.make(ir, false);
}
}