test/java/util/Hashtable/SimpleSerialization.java
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rev 5382 : 7126277: Alternative hashing implementation
@@ -32,52 +32,62 @@
* @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.Hashtable;
+import java.util.Map;
public class SimpleSerialization {
public static void main(final String[] args) throws Exception {
Hashtable<String, String> h1 = new Hashtable<>();
+ System.err.println("*** BEGIN TEST ***");
+
h1.put("key", "value");
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
- final ObjectOutputStream oos = new ObjectOutputStream(baos);
-
+ try (ObjectOutputStream oos = new ObjectOutputStream(baos)) {
oos.writeObject(h1);
- oos.close();
+ }
final byte[] data = baos.toByteArray();
final ByteArrayInputStream bais = new ByteArrayInputStream(data);
- final ObjectInputStream ois = new ObjectInputStream(bais);
+ final Object deserializedObject;
+ try (ObjectInputStream ois = new ObjectInputStream(bais)) {
+ deserializedObject = ois.readObject();
+ }
- final Object deserializedObject = ois.readObject();
- ois.close();
+ if(!h1.getClass().isInstance(deserializedObject)) {
+ throw new RuntimeException("Result not assignable to type of h1");
+ }
if (false == h1.equals(deserializedObject)) {
+ Hashtable<String, String> d1 = (Hashtable<String, String>) h1;
+ for(Map.Entry entry: h1.entrySet()) {
+ System.err.println("h1.key::" + entry.getKey() + " d1.containsKey()::" + d1.containsKey((String) entry.getKey()));
+ System.err.println("h1.value::" + entry.getValue() + " d1.contains()::" + d1.contains(entry.getValue()));
+ System.err.println("h1.value == d1.value " + entry.getValue().equals(d1.get((String) entry.getKey())));
+ }
+
throw new RuntimeException(getFailureText(h1, deserializedObject));
}
}
private static String getFailureText(final Object orig, final Object copy) {
final StringWriter sw = new StringWriter();
- final PrintWriter pw = new PrintWriter(sw);
-
+ try (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));