17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 * -------------------------------------------
24 *
25 * Portions Copyright (c) 2010, 2011 IBM Corporation
26 */
27
28 /*
29 * @test
30 * @bug 6927486
31 * @summary A serialized Hashtable can be de-serialized properly.
32 * @author Neil Richards <neil.richards@ngmr.net>, <neil_richards@uk.ibm.com>
33 */
34
35 import java.io.ByteArrayInputStream;
36 import java.io.ByteArrayOutputStream;
37 import java.io.IOException;
38 import java.io.ObjectInputStream;
39 import java.io.ObjectOutputStream;
40 import java.io.PrintWriter;
41 import java.io.StringWriter;
42 import java.util.Hashtable;
43
44 public class SimpleSerialization {
45 public static void main(final String[] args) throws Exception {
46 Hashtable<String, String> h1 = new Hashtable<>();
47
48 h1.put("key", "value");
49
50 final ByteArrayOutputStream baos = new ByteArrayOutputStream();
51 final ObjectOutputStream oos = new ObjectOutputStream(baos);
52
53 oos.writeObject(h1);
54 oos.close();
55
56 final byte[] data = baos.toByteArray();
57 final ByteArrayInputStream bais = new ByteArrayInputStream(data);
58 final ObjectInputStream ois = new ObjectInputStream(bais);
59
60 final Object deserializedObject = ois.readObject();
61 ois.close();
62
63 if (false == h1.equals(deserializedObject)) {
64 throw new RuntimeException(getFailureText(h1, deserializedObject));
65 }
66 }
67
68 private static String getFailureText(final Object orig, final Object copy) {
69 final StringWriter sw = new StringWriter();
70 final PrintWriter pw = new PrintWriter(sw);
71
72 pw.println("Test FAILED: Deserialized object is not equal to the original object");
73 pw.print("\tOriginal: ");
74 printObject(pw, orig).println();
75 pw.print("\tCopy: ");
76 printObject(pw, copy).println();
77
78 pw.close();
79 return sw.toString();
80 }
81
82 private static PrintWriter printObject(final PrintWriter pw, final Object o) {
83 pw.printf("%s@%08x", o.getClass().getName(), System.identityHashCode(o));
84 return pw;
85 }
86 }
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 * -------------------------------------------
24 *
25 * Portions Copyright (c) 2010, 2011 IBM Corporation
26 */
27
28 /*
29 * @test
30 * @bug 6927486
31 * @summary A serialized Hashtable can be de-serialized properly.
32 * @author Neil Richards <neil.richards@ngmr.net>, <neil_richards@uk.ibm.com>
33 */
34
35 import java.io.ByteArrayInputStream;
36 import java.io.ByteArrayOutputStream;
37 import java.io.ObjectInputStream;
38 import java.io.ObjectOutputStream;
39 import java.io.PrintWriter;
40 import java.io.StringWriter;
41 import java.util.Hashtable;
42 import java.util.Map;
43
44 public class SimpleSerialization {
45 public static void main(final String[] args) throws Exception {
46 Hashtable<String, String> h1 = new Hashtable<>();
47
48 System.err.println("*** BEGIN TEST ***");
49
50 h1.put("key", "value");
51
52 final ByteArrayOutputStream baos = new ByteArrayOutputStream();
53 try (ObjectOutputStream oos = new ObjectOutputStream(baos)) {
54 oos.writeObject(h1);
55 }
56
57 final byte[] data = baos.toByteArray();
58 final ByteArrayInputStream bais = new ByteArrayInputStream(data);
59 final Object deserializedObject;
60 try (ObjectInputStream ois = new ObjectInputStream(bais)) {
61 deserializedObject = ois.readObject();
62 }
63
64 if(!h1.getClass().isInstance(deserializedObject)) {
65 throw new RuntimeException("Result not assignable to type of h1");
66 }
67
68 if (false == h1.equals(deserializedObject)) {
69 Hashtable<String, String> d1 = (Hashtable<String, String>) h1;
70 for(Map.Entry entry: h1.entrySet()) {
71 System.err.println("h1.key::" + entry.getKey() + " d1.containsKey()::" + d1.containsKey((String) entry.getKey()));
72 System.err.println("h1.value::" + entry.getValue() + " d1.contains()::" + d1.contains(entry.getValue()));
73 System.err.println("h1.value == d1.value " + entry.getValue().equals(d1.get((String) entry.getKey())));
74 }
75
76 throw new RuntimeException(getFailureText(h1, deserializedObject));
77 }
78 }
79
80 private static String getFailureText(final Object orig, final Object copy) {
81 final StringWriter sw = new StringWriter();
82 try (PrintWriter pw = new PrintWriter(sw)) {
83 pw.println("Test FAILED: Deserialized object is not equal to the original object");
84 pw.print("\tOriginal: ");
85 printObject(pw, orig).println();
86 pw.print("\tCopy: ");
87 printObject(pw, copy).println();
88 }
89 return sw.toString();
90 }
91
92 private static PrintWriter printObject(final PrintWriter pw, final Object o) {
93 pw.printf("%s@%08x", o.getClass().getName(), System.identityHashCode(o));
94 return pw;
95 }
96 }
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