6990094: ObjectInputStream cloneArray doesn't handle short[]

Reviewed-by: alanb, smarks, peterjones

src/share/classes/java/io/ObjectInputStream.java

@@ -3498,8 +3498,8 @@ public class ObjectInputStream
             return ((int[]) array).clone();
         } else if (array instanceof long[]) {
             return ((long[]) array).clone();
-        } else if (array instanceof double[]) {
-            return ((double[]) array).clone();
+        } else if (array instanceof short[]) {
+            return ((short[]) array).clone();
         } else {
             throw new AssertionError();
         }

test/java/io/Serializable/cloneArray/CloneArray.java

+/*
+ * Copyright (c) 2010, 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 6990094
+ * @summary Verify ObjectInputStream.cloneArray works on many kinds of arrays
+ * @author Stuart Marks, Joseph D. Darcy
+ */
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.ObjectStreamException;
+import java.io.Serializable;
+
+public class CloneArray {
+    static Object replacement;
+
+    static class Resolver implements Serializable {
+        private Object readResolve() throws ObjectStreamException {
+            return replacement;
+        }
+    }
+
+    private static void test(Object rep)
+        throws IOException, ClassNotFoundException {
+
+        try(ByteArrayOutputStream baos = new ByteArrayOutputStream()) {
+            try(ObjectOutputStream oos = new ObjectOutputStream(baos)) {
+                oos.writeObject(new Resolver());
+                oos.writeObject(new Resolver());
+            }
+
+            Object o1;
+            Object o2;
+            try(ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
+                ObjectInputStream ois = new ObjectInputStream(bais)) {
+                replacement = rep;
+                o1 = ois.readUnshared();
+                o2 = ois.readUnshared();
+            }
+
+            if (o1 == o2)
+                throw new AssertionError("o1 and o2 must not be identical");
+        }
+    }
+
+    public static void main(String[] args)
+        throws IOException, ClassNotFoundException {
+        Object[] replacements = {
+            new byte[]    {1},
+            new char[]    {'2'},
+            new short[]   {3},
+            new int[]     {4},
+            new long[]    {5},
+            new float[]   {6.0f},
+            new double[]  {7.0},
+            new boolean[] {true},
+            new Object[] {"A string."}
+        };
+
+        for(Object replacement : replacements) {
+            test(replacement);
+        }
+    }
+}