diff -r 1363768bb5ac -r e5639c0d8552 jdk/test/sun/security/krb5/auto/SpnegoReqFlags.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/security/krb5/auto/SpnegoReqFlags.java	Fri Mar 13 09:20:56 2009 +0800
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2009 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
+ * @bug 6815182
+ * @summary GSSAPI/SPNEGO does not work with server using MIT Kerberos library
+ */
+
+import sun.security.jgss.GSSUtil;
+import sun.security.util.BitArray;
+import sun.security.util.DerInputStream;
+import sun.security.util.DerValue;
+
+public class SpnegoReqFlags {
+
+    public static void main(String[] args)
+            throws Exception {
+
+        // Create and start the KDC
+        new OneKDC(null).writeJAASConf();
+        new SpnegoReqFlags().go();
+    }
+
+    void go() throws Exception {
+        Context c = Context.fromJAAS("client");
+        c.startAsClient(OneKDC.SERVER, GSSUtil.GSS_SPNEGO_MECH_OID);
+
+        byte[] token = c.doAs(new Action() {
+            @Override
+            public byte[] run(Context me, byte[] input) throws Exception {
+                me.x().requestCredDeleg(true);
+                me.x().requestReplayDet(false);
+                me.x().requestSequenceDet(false);
+                return me.x().initSecContext(new byte[0], 0, 0);
+            }
+        }, null);
+
+        DerValue d = new DerValue(token);   // GSSToken
+        DerInputStream ins = d.data;        // OID + mech token
+        d.data.getDerValue();               // skip OID
+        d = d.data.getDerValue();           // NegTokenInit
+        d = d.data.getDerValue();           // The SEQUENCE inside
+
+        boolean found = false;
+
+        // Go through all fields inside NegTokenInit. The reqFlags field
+        // is optional. It's even not recommended in RFC 4178.
+        while (d.data.available() > 0) {
+            DerValue d2 = d.data.getDerValue();
+            if (d2.isContextSpecific((byte)1)) {
+                found = true;
+                System.out.println("regFlags field located.");
+                BitArray ba = d2.data.getUnalignedBitString();
+                if (ba.length() != 7) {
+                    throw new Exception("reqFlags should contain 7 bits");
+                }
+                if (!ba.get(0)) {
+                    throw new Exception("delegFlag should be true");
+                }
+                if (ba.get(2) || ba.get(3)) {
+                    throw new Exception("replay/sequenceFlag should be false");
+                }
+            }
+        }
+
+        if (!found) {
+            System.out.println("Warning: regFlags field not found, too new?");
+        }
+        c.dispose();
+    }
+}