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FYI: Test on serialization back references


Hi,
  this test ensures that basic back references in serialized forms are
working.

2006-02-03  Olivier Jolly  <olivier.jolly@pcedev.com>

    * gnu/testlet/java/io/ObjectInputOutput/LoopSerializationTest.java:
    New test on back references in serialization,
    * gnu/testlet/java/io/ObjectInputOutput/SerializableLoopA.java: New
    helper file,
    * gnu/testlet/java/io/ObjectInputOutput/SerializableLoopB.java:
    Likewise.

Cheers
Olivier


Index: gnu/testlet/java/io/ObjectInputOutput/LoopSerializationTest.java
===================================================================
RCS file: gnu/testlet/java/io/ObjectInputOutput/LoopSerializationTest.java
diff -N gnu/testlet/java/io/ObjectInputOutput/LoopSerializationTest.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/java/io/ObjectInputOutput/LoopSerializationTest.java	3 Feb 2006 19:03:38 -0000
@@ -0,0 +1,87 @@
+/* LoopSerializationTest.java -- Test back references in serialization
+ Copyright (C) 2006 Olivier Jolly <olivier.jolly@pcedev.com>
+ This file is part of Mauve.
+
+ Mauve is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ Mauve 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 for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Mauve; see the file COPYING.  If not, write to the
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301 USA.
+
+ */
+
+// Tags: JDK1.2
+
+
+package gnu.testlet.java.io.ObjectInputOutput;
+
+import gnu.testlet.TestHarness;
+import gnu.testlet.Testlet;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.StreamCorruptedException;
+
+public class LoopSerializationTest implements Testlet
+{
+
+  public void test(TestHarness harness)
+  {
+
+    SerializableLoopA a = new SerializableLoopA();
+    SerializableLoopB b = new SerializableLoopB();
+
+    a.setB(b);
+    b.setA(a);
+
+    harness.checkPoint("LoopSerializationTest");
+
+    harness.check(a.getB(), b);
+    harness.check(b.getA(), a);
+
+    ByteArrayOutputStream baos = new ByteArrayOutputStream();
+    try
+      {
+        new ObjectOutputStream(baos).writeObject(a);
+      }
+    catch (IOException e)
+      {
+        harness.debug(e);
+        harness.fail("Serialiazing a loop");
+      }
+    ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
+    try
+      {
+        SerializableLoopA serialized = (SerializableLoopA) new ObjectInputStream(
+                                                                                 bais).readObject();
+        harness.check(serialized.getB(), b);
+      }
+    catch (StreamCorruptedException e)
+      {
+        harness.debug(e);
+        harness.fail("Deserialiazing a loop");
+      }
+    catch (ClassNotFoundException e)
+      {
+        harness.debug(e);
+        harness.fail("Deserialiazing a loop");
+      }
+    catch (IOException e)
+      {
+        harness.debug(e);
+        harness.fail("Deserialiazing a loop");
+      }
+  }
+}
Index: gnu/testlet/java/io/ObjectInputOutput/SerializableLoopA.java
===================================================================
RCS file: gnu/testlet/java/io/ObjectInputOutput/SerializableLoopA.java
diff -N gnu/testlet/java/io/ObjectInputOutput/SerializableLoopA.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/java/io/ObjectInputOutput/SerializableLoopA.java	3 Feb 2006 19:03:38 -0000
@@ -0,0 +1,46 @@
+/* SeriableLoopA.java -- Simple class used to create a loop
+ Copyright (C) 2006 Olivier Jolly <olivier.jolly@pcedev.com>
+ This file is part of Mauve.
+
+ Mauve is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ Mauve 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 for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Mauve; see the file COPYING.  If not, write to the
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301 USA.
+
+ */
+
+// Tags: not-a-test
+
+
+package gnu.testlet.java.io.ObjectInputOutput;
+
+import java.io.Serializable;
+
+public class SerializableLoopA implements Serializable
+{
+
+  private static final long serialVersionUID = -8099761309283286991L;
+
+  SerializableLoopB b;
+
+  public SerializableLoopB getB()
+  {
+    return b;
+  }
+
+  public void setB(SerializableLoopB b)
+  {
+    this.b = b;
+  }
+
+}
Index: gnu/testlet/java/io/ObjectInputOutput/SerializableLoopB.java
===================================================================
RCS file: gnu/testlet/java/io/ObjectInputOutput/SerializableLoopB.java
diff -N gnu/testlet/java/io/ObjectInputOutput/SerializableLoopB.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/java/io/ObjectInputOutput/SerializableLoopB.java	3 Feb 2006 19:03:38 -0000
@@ -0,0 +1,72 @@
+/* SerializableLoopB.java -- Simple class used to create a loop
+ Copyright (C) 2006 Olivier Jolly <olivier.jolly@pcedev.com>
+ This file is part of Mauve.
+
+ Mauve is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ Mauve 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 for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Mauve; see the file COPYING.  If not, write to the
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301 USA.
+
+ */
+
+// Tags: not-a-test
+
+
+package gnu.testlet.java.io.ObjectInputOutput;
+
+import java.io.Serializable;
+
+public class SerializableLoopB implements Serializable
+{
+
+  private static final long serialVersionUID = 3033857304110309388L;
+
+  SerializableLoopA a;
+
+  int value = -1;
+
+  public SerializableLoopA getA()
+  {
+    return a;
+  }
+
+  public void setA(SerializableLoopA a)
+  {
+    this.a = a;
+  }
+
+  public int getValue()
+  {
+    return value;
+  }
+
+  public void setValue(int value)
+  {
+    this.value = value;
+  }
+
+  public boolean equals(Object obj)
+  {
+    if (obj instanceof SerializableLoopB)
+      {
+        return getValue() == ((SerializableLoopB) obj).getValue();
+      }
+    return false;
+  }
+
+  public int hashCode()
+  {
+    return new Integer(getValue()).hashCode();
+  }
+
+}

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