--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/security/tools/keytool/emptysubject.sh	Wed Jul 22 16:40:04 2009 +0800
@@ -0,0 +1,68 @@
+#
+# 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 6847026
+# @summary keytool should be able to generate certreq and cert without subject name
+#
+# @run shell emptysubject.sh
+#
+
+if [ "${TESTJAVA}" = "" ] ; then
+  JAVAC_CMD=`which javac`
+  TESTJAVA=`dirname $JAVAC_CMD`/..
+fi
+
+# set platform-dependent variables
+OS=`uname -s`
+case "$OS" in
+  Windows_* )
+    FS="\\"
+    ;;
+  * )
+    FS="/"
+    ;;
+esac
+
+KS=emptysubject.jks
+KT="$TESTJAVA${FS}bin${FS}keytool -storepass changeit -keypass changeit -keystore $KS"
+
+rm $KS
+
+$KT -alias ca -dname CN=CA -genkeypair
+$KT -alias me -dname CN=Me -genkeypair
+
+# When -dname is recognized, SAN must be specfied, otherwise, -printcert fails.
+$KT -alias me -certreq -dname "" | \
+        $KT -alias ca -gencert | $KT -printcert && exit 1
+$KT -alias me -certreq | \
+        $KT -alias ca -gencert -dname "" | $KT -printcert && exit 2
+$KT -alias me -certreq -dname "" | \
+        $KT -alias ca -gencert -ext san:c=email:me@me.com | \
+        $KT -printcert || exit 3
+$KT -alias me -certreq | \
+        $KT -alias ca -gencert -dname "" -ext san:c=email:me@me.com | \
+        $KT -printcert || exit 4
+
+exit 0
+