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/*
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* Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/* @test
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* @bug 4838379
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* @summary Verify that unshared write and read operations work properly with
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* enum constants.
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*/
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import java.io.*;
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enum Foo { foo, bar, baz }
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abstract class WriteReadTest {
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abstract void write(ObjectOutputStream out) throws Exception;
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abstract void read(ObjectInputStream in) throws Exception;
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void run() throws Exception {
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ByteArrayOutputStream bout = new ByteArrayOutputStream();
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ObjectOutputStream oout = new ObjectOutputStream(bout);
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write(oout);
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oout.close();
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read(new ObjectInputStream(
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new ByteArrayInputStream(bout.toByteArray())));
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}
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}
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public class Test {
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public static void main(String[] args) throws Exception {
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WriteReadTest[] tests = {
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new WriteReadTest() {
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void write(ObjectOutputStream out) throws Exception {
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out.writeObject(Foo.foo);
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out.writeObject(Foo.foo);
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}
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void read(ObjectInputStream in) throws Exception {
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Object obj = in.readObject();
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if (obj != Foo.foo) {
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throw new Error(
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"expected " + Foo.foo + " instead of " + obj);
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}
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try {
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obj = in.readUnshared();
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throw new Error(
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"read of " + obj + " should not have succeeded");
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} catch (ObjectStreamException e) {
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System.out.println("caught expected exception " + e);
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}
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}
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},
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new WriteReadTest() {
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void write(ObjectOutputStream out) throws Exception {
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out.writeObject(Foo.foo);
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out.writeObject(Foo.foo);
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}
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void read(ObjectInputStream in) throws Exception {
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Object obj = in.readUnshared();
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if (obj != Foo.foo) {
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throw new Error(
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"expected " + Foo.foo + " instead of " + obj);
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}
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try {
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obj = in.readObject();
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throw new Error(
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"read of " + obj + " should not have succeeded");
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} catch (ObjectStreamException e) {
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System.out.println("caught expected exception " + e);
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}
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}
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},
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new WriteReadTest() {
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void write(ObjectOutputStream out) throws Exception {
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out.writeObject(Foo.foo);
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out.writeUnshared(Foo.foo);
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}
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void read(ObjectInputStream in) throws Exception {
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Object obj = in.readUnshared();
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if (obj != Foo.foo) {
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throw new Error(
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"expected " + Foo.foo + " instead of " + obj);
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}
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obj = in.readUnshared();
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if (obj != Foo.foo) {
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throw new Error(
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"expected " + Foo.foo + " instead of " + obj);
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}
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}
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},
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new WriteReadTest() {
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void write(ObjectOutputStream out) throws Exception {
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out.writeUnshared(Foo.foo);
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out.writeObject(Foo.foo);
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}
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void read(ObjectInputStream in) throws Exception {
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Object obj = in.readUnshared();
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if (obj != Foo.foo) {
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throw new Error(
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"expected " + Foo.foo + " instead of " + obj);
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}
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obj = in.readUnshared();
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if (obj != Foo.foo) {
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throw new Error(
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"expected " + Foo.foo + " instead of " + obj);
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}
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}
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}
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};
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for (int i = 0; i < tests.length; i++) {
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tests[i].run();
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}
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}
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}
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