WALA/com.ibm.wala.core.tests/src/com/ibm/wala/core/tests/cha/InterfaceTest.java

102 lines
4.0 KiB
Java

/*******************************************************************************
* Copyright (c) 2007 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.cha;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import com.ibm.wala.classLoader.ClassLoaderFactory;
import com.ibm.wala.classLoader.ClassLoaderFactoryImpl;
import com.ibm.wala.classLoader.IClass;
import com.ibm.wala.core.tests.util.TestConstants;
import com.ibm.wala.core.tests.util.WalaTestCase;
import com.ibm.wala.ipa.callgraph.AnalysisScope;
import com.ibm.wala.ipa.cha.ClassHierarchy;
import com.ibm.wala.ipa.cha.ClassHierarchyException;
import com.ibm.wala.types.ClassLoaderReference;
import com.ibm.wala.types.TypeName;
import com.ibm.wala.types.TypeReference;
import com.ibm.wala.util.config.AnalysisScopeReader;
import com.ibm.wala.util.io.FileProvider;
/**
* Test interface subtype stuff
*/
public class InterfaceTest extends WalaTestCase {
private static final ClassLoader MY_CLASSLOADER = InterfaceTest.class.getClassLoader();
private static AnalysisScope scope;
private static ClassHierarchy cha;
public static void main(String[] args) {
justThisTest(InterfaceTest.class);
}
@BeforeClass
public static void beforeClass() throws Exception {
scope = AnalysisScopeReader.readJavaScope(TestConstants.WALA_TESTDATA, (new FileProvider()).getFile("J2SEClassHierarchyExclusions.txt"), MY_CLASSLOADER);
ClassLoaderFactory factory = new ClassLoaderFactoryImpl(scope.getExclusions() );
try {
cha = ClassHierarchy.make(scope, factory);
} catch (ClassHierarchyException e) {
throw new Exception();
}
}
@AfterClass
public static void afterClass() throws Exception {
scope = null;
cha = null;
}
/**
* Test for subtype tests with interfaces; bug reported by Bruno Dufour
*/
@Test public void test1() {
TypeReference prep_stmt_type = TypeReference.findOrCreate(ClassLoaderReference.Primordial, TypeName
.string2TypeName("Ljava/sql/PreparedStatement"));
TypeReference stmt_type = TypeReference.findOrCreate(ClassLoaderReference.Primordial, TypeName
.string2TypeName("Ljava/sql/Statement"));
IClass prep_stmt = cha.lookupClass(prep_stmt_type);
IClass stmt = cha.lookupClass(stmt_type);
Assert.assertTrue("did not find PreparedStatement", prep_stmt != null);
Assert.assertTrue("did not find Statement", stmt != null);
Assert.assertTrue(cha.implementsInterface(prep_stmt, stmt));
Assert.assertFalse(cha.implementsInterface(stmt, prep_stmt));
Assert.assertTrue(cha.isAssignableFrom(stmt, prep_stmt));
Assert.assertFalse(cha.isAssignableFrom(prep_stmt, stmt));
}
/**
* check that arrays implement Cloneable and Serializable
*/
@Test public void test2() {
IClass objArrayClass = cha.lookupClass(TypeReference.JavaLangObject.getArrayTypeForElementType());
IClass stringArrayClass = cha.lookupClass(TypeReference.JavaLangString.getArrayTypeForElementType());
IClass cloneableClass = cha.lookupClass(TypeReference.JavaLangCloneable);
IClass serializableClass = cha.lookupClass(TypeReference.JavaIoSerializable);
Assert.assertTrue(cha.implementsInterface(objArrayClass, cloneableClass));
Assert.assertTrue(cha.implementsInterface(objArrayClass, serializableClass));
Assert.assertTrue(cha.implementsInterface(stringArrayClass, cloneableClass));
Assert.assertTrue(cha.implementsInterface(stringArrayClass, serializableClass));
}
}