114 lines
3.7 KiB
Java
114 lines
3.7 KiB
Java
/*
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* Copyright (c) 2000, 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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/* @test
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* @bug 4311991
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*
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* @clean Write Read Foo Bar
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* @compile Write.java
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* @run main Write
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* @clean Write Read Foo Bar
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* @compile Read.java
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* @run main Read
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*
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* @summary Test ObjectOutputStream.writeUnshared/readUnshared functionality.
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*/
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import java.io.*;
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class Foo implements Serializable {
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private static final long serialVersionUID = 1L;
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private static final ObjectStreamField[] serialPersistentFields =
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new ObjectStreamField[] {
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new ObjectStreamField("shared1", String.class),
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new ObjectStreamField("shared2", String.class, false),
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new ObjectStreamField("unshared1", String.class, true),
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new ObjectStreamField("unshared2", String.class, true)
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};
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String shared1, shared2, unshared1, unshared2;
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Foo() {
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shared1 = shared2 = unshared1 = unshared2 = "foo";
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}
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}
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class Bar implements Serializable {
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private static final long serialVersionUID = 0L;
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@SuppressWarnings("serial") /* Incorrect use is being tested */
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Object obj;
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Bar(Object obj) {
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this.obj = obj;
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}
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}
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public class Write {
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public static void main(String[] args) throws Exception {
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String str1 = "foo";
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ByteArrayOutputStream bout = new ByteArrayOutputStream();
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ObjectOutputStream oout = new ObjectOutputStream(bout);
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oout.writeObject(str1);
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oout.writeObject(str1);
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oout.writeUnshared(str1);
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oout.writeUnshared(str1);
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oout.writeObject(new Foo());
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oout.close();
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ByteArrayInputStream bin =
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new ByteArrayInputStream(bout.toByteArray());
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ObjectInputStream oin = new ObjectInputStream(bin);
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str1 = (String) oin.readObject();
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if (oin.readObject() != str1) {
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throw new Error();
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}
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String str2 = (String) oin.readObject();
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String str3 = (String) oin.readObject();
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if (str2 == str1 || str3 == str1 || str2 == str3) {
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throw new Error();
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}
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if (! (str1.equals(str2) && str1.equals(str3))) {
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throw new Error();
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}
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Foo foo = (Foo) oin.readObject();
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if ((foo.shared1 != foo.shared2) ||
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(foo.shared1 == foo.unshared1) ||
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(foo.shared1 == foo.unshared2) ||
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(foo.shared2 == foo.unshared1) ||
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(foo.shared2 == foo.unshared2) ||
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(foo.unshared1 == foo.unshared2))
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{
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throw new Error();
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}
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// write out object to be read by Read.main()
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oout = new ObjectOutputStream(new FileOutputStream("tmp.ser"));
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oout.writeObject(new Bar(str1));
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oout.writeObject(str1);
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oout.close();
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}
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}
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