10 files changed, 310 insertions, 0 deletions
diff --git a/test/java.io/HairyGraph.java b/test/java.io/HairyGraph.java
new file mode 100644
index 000000000..ca9a71353
--- /dev/null
+++ b/test/java.io/HairyGraph.java
@@ -0,0 +1,75 @@
+
+import java.io.*;
+
+class GraphNode implements Serializable
+{
+  GraphNode( String s )
+  {
+    this.s = s;
+  }
+
+  public String toString()
+  {
+    return this.s;
+  }
+  
+  String s;
+  GraphNode a;
+  GraphNode b;
+  GraphNode c;
+  GraphNode d;
+}
+
+
+public class HairyGraph implements Serializable
+{
+  GraphNode A;
+  GraphNode B;
+  GraphNode C;
+  GraphNode D;
+  
+  HairyGraph()
+  {
+    A = new GraphNode( "A" );
+    B = new GraphNode( "B" );
+    C = new GraphNode( "C" );
+    D = new GraphNode( "D" );
+
+    A.a = B;
+    A.b = C;
+    A.c = D;
+    A.d = A;
+    
+    B.a = C;
+    B.b = D;
+    B.c = A;
+    B.d = B;
+
+    C.a = D;
+    C.b = A;
+    C.c = B;
+    C.d = C;
+    
+    D.a = A;
+    D.b = B;
+    D.c = C;
+    D.d = D;
+  }
+
+  public boolean equals( Object o )
+  {
+    HairyGraph hg = (HairyGraph)o;
+
+    return (A.a == B.d) && (A.a == C.c) && (A.a == D.b)
+      && (A.b == B.a) && (A.b == C.d) && (A.b == D.c)
+      && (A.c == B.b) && (A.c == C.a) && (A.c == D.d)
+      && (A.d == B.c) && (A.d == C.b) && (A.d == D.a);
+  }
+
+  void printOneLevel( GraphNode gn )
+  {
+    System.out.println( "GraphNode< " + gn + ": " + gn.a + ", " + gn.b
+			+ ", " + gn.c + ", " + gn.d + " >" );
+  }
+  
+}
diff --git a/test/java.io/OOSCallDefault.java b/test/java.io/OOSCallDefault.java
new file mode 100644
index 000000000..c0465c12e
--- /dev/null
+++ b/test/java.io/OOSCallDefault.java
@@ -0,0 +1,39 @@
+
+import java.io.*;
+
+public class OOSCallDefault implements Serializable
+{
+  int x;
+  double y;
+  transient String s;
+
+  OOSCallDefault( int X, double Y, String S )
+  {
+    x = X;
+    y = Y;
+    s = S;
+  }
+
+  public boolean equals( Object o )
+  {
+    OOSCallDefault oo = (OOSCallDefault)o;
+    return oo.x == x
+      && oo.y == y
+      && oo.s.equals( s );
+  }
+  
+  private void writeObject( ObjectOutputStream oos ) throws IOException
+  {
+    oos.writeObject( s );
+    oos.defaultWriteObject();
+    oos.writeObject( s );
+  }
+
+  private void readObject( ObjectInputStream ois )
+    throws ClassNotFoundException, IOException
+  {
+    ois.readObject();
+    ois.defaultReadObject();
+    s = (String)ois.readObject();
+  }
+}
diff --git a/test/java.io/OOSExtern.java b/test/java.io/OOSExtern.java
new file mode 100644
index 000000000..7394c5bc8
--- /dev/null
+++ b/test/java.io/OOSExtern.java
@@ -0,0 +1,37 @@
+
+import java.io.*;
+
+public class OOSExtern extends OOSNoCallDefault implements Externalizable
+{
+  public OOSExtern()
+  {}
+
+  OOSExtern( int X, String S, boolean B )
+  {
+    super( X, S, B );
+  }
+
+  public void writeExternal( ObjectOutput oo ) throws IOException
+  {
+    oo.writeInt( super.x );
+    oo.writeObject( super.s );
+    oo.writeBoolean( super.b );
+  }
+  
+  public void readExternal( ObjectInput oi )
+    throws ClassNotFoundException, IOException
+  {
+    super.x = oi.readInt();
+    super.s = (String)oi.readObject();
+    super.b = oi.readBoolean();
+  }
+
+  public boolean equals( Object o )
+  {
+    OOSExtern e = (OOSExtern)o;
+    return e.x == super.x
+      && e.s.equals( super.s )
+      && e.b == super.b;
+  }
+  
+}
diff --git a/test/java.io/OOSNoCallDefault.java b/test/java.io/OOSNoCallDefault.java
new file mode 100644
index 000000000..1e41754c4
--- /dev/null
+++ b/test/java.io/OOSNoCallDefault.java
@@ -0,0 +1,42 @@
+
+import java.io.*;
+
+public class OOSNoCallDefault implements Serializable
+{
+  int x;
+  String s;
+  boolean b;
+  
+  OOSNoCallDefault()
+  {}
+
+  OOSNoCallDefault( int X, String S, boolean B )
+  {
+    x = X;
+    s = S;
+    b = B;
+  }
+
+  public boolean equals( Object o )
+  {
+    OOSNoCallDefault oo = (OOSNoCallDefault)o;
+    return oo.x == x
+      && oo.b == b
+      && oo.s.equals( s );
+  }
+  
+  private void writeObject( ObjectOutputStream oos ) throws IOException
+  {
+    oos.writeInt( x );
+    oos.writeObject( s );
+    oos.writeBoolean( b );
+  }
+
+  private void readObject( ObjectInputStream ois )
+    throws ClassNotFoundException, IOException
+  {
+    x = ois.readInt();
+    s = (String)ois.readObject();
+    b = ois.readBoolean();
+  }
+}
diff --git a/test/java.io/ObjectInputStreamTest.java b/test/java.io/ObjectInputStreamTest.java
new file mode 100644
index 000000000..7736ceb16
--- /dev/null
+++ b/test/java.io/ObjectInputStreamTest.java
@@ -0,0 +1,65 @@
+/*************************************************************************
+/* ObjectInputStreamTest.java -- Tests ObjectInputStream class
+/*
+/* Copyright (c) 1998 by Geoffrey C. Berry (gcb@cs.duke.edu)
+/*
+/* This program 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, version 2. (see COPYING)
+/*
+/* This program 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 this program; if not, write to the Free Software Foundation
+/* Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307 USA
+/*************************************************************************/
+
+import java.io.FileInputStream;
+import java.io.ObjectInputStream;
+
+public class ObjectInputStreamTest extends Test
+{
+  public static void testSerial( Object obj, String filename )
+  {
+    try
+    {
+      ObjectInputStream ois =
+	new ObjectInputStream( new FileInputStream( filename ) );
+
+      Object read_object = ois.readObject();
+      ois.close();
+
+      if( read_object.equals( obj ) )
+	pass();
+      else
+	fail();
+    }
+    catch( Exception e )
+    {
+      e.printStackTrace();
+      fail();
+    }
+  }
+  
+  
+  public static void main( String[] args )
+  {
+    testSerial( new OOSCallDefault( 1, 3.14, "test" ),
+		"calldefault.data" );
+    System.out.println( "Object calling defaultWriteObject()" );
+
+    testSerial( new OOSNoCallDefault( 17, "no\ndefault", false ),
+		"nocalldefault.data" );
+    System.out.println( "Object not calling defaultWriteObject()" );
+
+    testSerial( new OOSExtern( -1, "", true ), "external.data" );
+    System.out.println( "Externalizable class" );
+
+    testSerial( new HairyGraph(), "graph.data" );
+    System.out.println( "Graph of objects with circular references" );
+  }
+
+}
diff --git a/test/java.io/Test.java b/test/java.io/Test.java
new file mode 100644
index 000000000..5cc62c615
--- /dev/null
+++ b/test/java.io/Test.java
@@ -0,0 +1,52 @@
+/*************************************************************************
+/* Test.java -- Base class for test classes
+/*
+/* Copyright (c) 1998 by Geoffrey C. Berry (gcb@cs.duke.edu)
+/*
+/* This program 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, version 2. (see COPYING)
+/*
+/* This program 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 this program; if not, write to the Free Software Foundation
+/* Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307 USA
+/*************************************************************************/
+
+public class Test
+{
+  public static void error()
+  {
+    System.out.print( "ERROR: " );
+  }
+  
+  public static void pass()
+  {
+    System.out.print( "PASSED: " );
+  }
+  
+  public static void fail()
+  {
+    System.out.print( "FAILED: " );
+  }
+
+  public static void pass( boolean exp_pass )
+  {
+    if( exp_pass )
+      pass();
+    else
+      System.out.print( "XPASSED: " );
+  }
+  
+  public static void fail( boolean exp_pass )
+  {
+    if( exp_pass )
+      fail();
+    else
+      System.out.print( "XFAIL: " );
+  }
+}
diff --git a/test/java.io/calldefault.data b/test/java.io/calldefault.data
index 563585afc..60dcc0065 100644
--- a/test/java.io/calldefault.data
+++ b/test/java.io/calldefault.data
diff --git a/test/java.io/external.data b/test/java.io/external.data
index b37260b1f..139cc01b3 100644
--- a/test/java.io/external.data
+++ b/test/java.io/external.data
diff --git a/test/java.io/graph.data b/test/java.io/graph.data
index f1ec5ccb0..55d5b1186 100644
--- a/test/java.io/graph.data
+++ b/test/java.io/graph.data
diff --git a/test/java.io/nocalldefault.data b/test/java.io/nocalldefault.data
index c0d49a44d..ba987bb15 100644
--- a/test/java.io/nocalldefault.data
+++ b/test/java.io/nocalldefault.data