6312706: Map entrySet iterators should return different entries on each call to next()
Reviewed-by: mduigou, alanb
Contributed-by: Neil Richards <neil.richards@ngmr.net>
diff --git a/test/java/util/EnumMap/SimpleSerialization.java b/test/java/util/EnumMap/SimpleSerialization.java
new file mode 100644
index 0000000..b6a9ed2
--- /dev/null
+++ b/test/java/util/EnumMap/SimpleSerialization.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2011 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.
+ */
+
+/*
+ * Portions Copyright (c) 2011 IBM Corporation
+ */
+
+/*
+ * @test
+ * @bug 6312706
+ * @summary A serialized EnumMap can be successfully de-serialized.
+ * @author Neil Richards <neil.richards@ngmr.net>, <neil_richards@uk.ibm.com>
+ */
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.EnumMap;
+
+public class SimpleSerialization {
+ private enum TestEnum { e00, e01, e02, e03, e04, e05, e06, e07 }
+ public static void main(final String[] args) throws Exception {
+ final EnumMap<TestEnum, String> enumMap = new EnumMap<>(TestEnum.class);
+
+ enumMap.put(TestEnum.e01, TestEnum.e01.name());
+ enumMap.put(TestEnum.e04, TestEnum.e04.name());
+ enumMap.put(TestEnum.e05, TestEnum.e05.name());
+
+ final ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ final ObjectOutputStream oos = new ObjectOutputStream(baos);
+
+ oos.writeObject(enumMap);
+ oos.close();
+
+ final byte[] data = baos.toByteArray();
+ final ByteArrayInputStream bais = new ByteArrayInputStream(data);
+ final ObjectInputStream ois = new ObjectInputStream(bais);
+
+ final Object deserializedObject = ois.readObject();
+ ois.close();
+
+ if (false == enumMap.equals(deserializedObject)) {
+ throw new RuntimeException(getFailureText(enumMap, deserializedObject));
+ }
+ }
+
+ private static String getFailureText(final Object orig, final Object copy) {
+ final StringWriter sw = new StringWriter();
+ final PrintWriter pw = new PrintWriter(sw);
+
+ pw.println("Test FAILED: Deserialized object is not equal to the original object");
+ pw.print("\tOriginal: ");
+ printObject(pw, orig).println();
+ pw.print("\tCopy: ");
+ printObject(pw, copy).println();
+
+ pw.close();
+ return sw.toString();
+ }
+
+ private static PrintWriter printObject(final PrintWriter pw, final Object o) {
+ pw.printf("%s@%08x", o.getClass().getName(), System.identityHashCode(o));
+ return pw;
+ }
+}