--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/com/sun/jdi/DataModelTest.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2001-2002 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**
+ *  @ test:it only runs from SparcToSparcV9Test.sh
+ *  @bug 4478312
+ *  @summary Test debugging with mixed 32/64bit VMs.
+ *
+ *  @author Tim Bell
+ *
+ *  The basic version of this test (32-bit to 32-bit) should pass
+ *  on all platforms.  The SparcToSparcv9Test.sh script uses this
+ *  test to exercise other combinations on SPARC v9 platforms only.
+ *
+ *  @run build TestScaffold VMConnection TargetListener TargetAdapter
+ *  @run compile -g DataModelTest.java
+ *  @run main DataModelTest
+ */
+import com.sun.jdi.*;
+import com.sun.jdi.event.*;
+import com.sun.jdi.request.*;
+
+import java.util.*;
+
+    /********** target program **********/
+
+class DataModelTarg {
+    static String dataModel;
+    public DataModelTarg () {
+        dataModel = System.getProperty("sun.arch.data.model");
+    }
+    public void ready () {
+        System.out.println("sun.arch.data.model is: " + dataModel);
+    }
+    public static void main(String[] args){
+        System.out.println("Howdy!");
+        DataModelTarg my = new DataModelTarg();
+        my.ready();
+        System.out.println("Goodbye from DataModelTarg!");
+    }
+}
+
+    /********** test program **********/
+
+public class DataModelTest extends TestScaffold {
+
+    DataModelTest (String args[]) {
+        super(args);
+    }
+
+    public static void main(String[] args)      throws Exception {
+        new DataModelTest(args).startTests();
+    }
+
+    protected void runTests() throws Exception {
+        /*
+         * Get to the top of ready()
+         */
+        BreakpointEvent bpe = startTo("DataModelTarg", "ready", "()V");
+
+        ObjectReference targetObject = bpe.thread().frame(0).thisObject();
+        ReferenceType rt = targetObject.referenceType();
+        Field field = rt.fieldByName("dataModel");
+        Value v = targetObject.getValue(field);
+        StringReference sv = (StringReference) v;
+        String expectedValue = System.getProperty("EXPECTED", "32");
+        if (!expectedValue.equals(sv.value())) {
+            failure("Expecting sun.arch.data.model = " + expectedValue +
+                    " but got " + sv.value() + " instead.");
+        }
+        /*
+         * resume the target listening for events
+         */
+        listenUntilVMDisconnect();
+
+        /*
+         * deal with results of test
+         * if anything has called failure("foo") testFailed will be true
+         */
+        if (!testFailed) {
+            println("DataModelTest: passed");
+        } else {
+            throw new Exception("DataModelTest: failed");
+        }
+    }
+}