Test

test/jdk/javax/management/ObjectName/SerialCompatRemovedTest.java

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+/*
+ * Copyright (c) 2024, 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 8334165
+ * @summary Test that jmx.serial.form is not recognised.
+ *
+ * @run main/othervm -Djmx.serial.form=1.0 SerialCompatRemovedTest
+ * @run main/othervm SerialCompatRemovedTest
+ */
+
+import java.io.*;
+import java.util.*;
+import javax.management.ObjectName;
+
+public class SerialCompatRemovedTest {
+
+    public static void main(String[] args) throws Exception {
+        ObjectStreamClass osc = ObjectStreamClass.lookup(ObjectName.class);
+        // Serial form has no fields, uses writeObject, so we should never see
+        // non-zero field count here:
+        if (osc.getFields().length != 0) {
+            throw new Exception("ObjectName using old serial form?: fields: " +
+                    Arrays.asList(osc.getFields()));
+        }
+    }
+}
+