119 lines
4.0 KiB
Java
119 lines
4.0 KiB
Java
/*
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* Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4765255
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* @library /test/lib
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* @build jdk.test.lib.util.JarUtils A B C D PackageAccessTest
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* @run main PackageAccessTest
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* @summary Verify proper functioning of package equality checks used to
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* determine accessibility of superclass constructor and inherited
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* writeReplace/readResolve methods.
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*/
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.InputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.io.ObjectStreamClass;
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import java.io.InvalidClassException;
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import jdk.test.lib.util.JarUtils;
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public class PackageAccessTest {
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static Class<?> bcl;
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static Class<?> dcl;
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public static void main(String[] args) throws Exception {
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setup();
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try (URLClassLoader ldr =
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new URLClassLoader(new URL[]{ new URL("file:foo.jar") },
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PackageAccessTest.class.getClassLoader())) {
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bcl = Class.forName("B", true, ldr);
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dcl = Class.forName("D", true, ldr);
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Object b = bcl.getConstructor().newInstance();
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try {
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swizzle(b);
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throw new Error("expected InvalidClassException for class B");
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} catch (InvalidClassException e) {
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System.out.println("caught " + e);
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e.printStackTrace();
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}
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if (A.packagePrivateConstructorInvoked) {
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throw new Error("package private constructor of A invoked");
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}
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Object d = dcl.getConstructor().newInstance();
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swizzle(d);
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}
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}
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static void swizzle(Object obj) throws Exception {
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ByteArrayOutputStream bout = new ByteArrayOutputStream();
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ObjectOutputStream oout = new ObjectOutputStream(bout);
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oout.writeObject(obj);
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oout.close();
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ByteArrayInputStream bin =
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new ByteArrayInputStream(bout.toByteArray());
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new TestObjectInputStream(bin).readObject();
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}
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static void setup() throws Exception {
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Path classes = Paths.get(System.getProperty("test.classes", ""));
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JarUtils.createJarFile(Paths.get("foo.jar"), classes,
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classes.resolve("B.class"), classes.resolve("D.class"));
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Files.delete(classes.resolve("B.class"));
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Files.delete(classes.resolve("D.class"));
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}
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}
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class TestObjectInputStream extends ObjectInputStream {
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TestObjectInputStream(InputStream in) throws IOException {
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super(in);
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}
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protected Class<?> resolveClass(ObjectStreamClass desc)
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throws IOException, ClassNotFoundException
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{
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String n = desc.getName();
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if (n.equals("B")) {
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return PackageAccessTest.bcl;
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} else if (n.equals("D")) {
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return PackageAccessTest.dcl;
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} else {
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return super.resolveClass(desc);
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}
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}
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}
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