--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/io/Serializable/unshared/Write.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* @test
+ * @bug 4311991
+ *
+ * @clean Write Read Foo Bar
+ * @compile Write.java
+ * @run main Write
+ * @clean Write Read Foo Bar
+ * @compile Read.java
+ * @run main Read
+ *
+ * @summary Test ObjectOutputStream.writeUnshared/readUnshared functionality.
+ */
+
+import java.io.*;
+
+class Foo implements Serializable {
+ private static final ObjectStreamField[] serialPersistentFields =
+ new ObjectStreamField[] {
+ new ObjectStreamField("shared1", String.class),
+ new ObjectStreamField("shared2", String.class, false),
+ new ObjectStreamField("unshared1", String.class, true),
+ new ObjectStreamField("unshared2", String.class, true)
+ };
+
+ String shared1, shared2, unshared1, unshared2;
+
+ Foo() {
+ shared1 = shared2 = unshared1 = unshared2 = "foo";
+ }
+}
+
+class Bar implements Serializable {
+ private static final long serialVersionUID = 0L;
+ Object obj;
+
+ Bar(Object obj) {
+ this.obj = obj;
+ }
+}
+
+public class Write {
+ public static void main(String[] args) throws Exception {
+ String str1 = "foo";
+ ByteArrayOutputStream bout = new ByteArrayOutputStream();
+ ObjectOutputStream oout = new ObjectOutputStream(bout);
+
+ oout.writeObject(str1);
+ oout.writeObject(str1);
+ oout.writeUnshared(str1);
+ oout.writeUnshared(str1);
+ oout.writeObject(new Foo());
+ oout.close();
+
+ ByteArrayInputStream bin =
+ new ByteArrayInputStream(bout.toByteArray());
+ ObjectInputStream oin = new ObjectInputStream(bin);
+ str1 = (String) oin.readObject();
+ if (oin.readObject() != str1) {
+ throw new Error();
+ }
+ String str2 = (String) oin.readObject();
+ String str3 = (String) oin.readObject();
+ if (str2 == str1 || str3 == str1 || str2 == str3) {
+ throw new Error();
+ }
+ if (! (str1.equals(str2) && str1.equals(str3))) {
+ throw new Error();
+ }
+
+ Foo foo = (Foo) oin.readObject();
+ if ((foo.shared1 != foo.shared2) ||
+ (foo.shared1 == foo.unshared1) ||
+ (foo.shared1 == foo.unshared2) ||
+ (foo.shared2 == foo.unshared1) ||
+ (foo.shared2 == foo.unshared2) ||
+ (foo.unshared1 == foo.unshared2))
+ {
+ throw new Error();
+ }
+
+ // write out object to be read by Read.main()
+ oout = new ObjectOutputStream(new FileOutputStream("tmp.ser"));
+ oout.writeObject(new Bar(str1));
+ oout.writeObject(str1);
+ oout.close();
+ }
+}