--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/security/krb5/ConfPlusProp.java	Wed Jul 08 12:07:43 2009 +0800
@@ -0,0 +1,94 @@
+/*
+ * 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 6857795
+ * @summary krb5.conf ignored if system properties on realm and kdc are provided
+ */
+
+import sun.security.krb5.Config;
+import sun.security.krb5.KrbException;
+
+public class ConfPlusProp {
+    public static void main(String[] args) throws Exception {
+        System.setProperty("java.security.krb5.realm", "R2");
+        System.setProperty("java.security.krb5.kdc", "k2");
+
+        // Point to a file with existing default_realm
+        System.setProperty("java.security.krb5.conf",
+                System.getProperty("test.src", ".") +"/confplusprop.conf");
+        Config config = Config.getInstance();
+
+        if (!config.getDefaultRealm().equals("R2")) {
+            throw new Exception("Default realm error");
+        }
+        if (!config.getKDCList("R1").equals("k1")) {
+            throw new Exception("R1 kdc error");
+        }
+        if (!config.getKDCList("R2").equals("k2")) {
+            throw new Exception("R2 kdc error");
+        }
+        if (!config.getDefault("forwardable", "libdefaults").equals("well")) {
+            throw new Exception("Extra config error");
+        }
+
+        // Point to a file with no libdefaults
+        System.setProperty("java.security.krb5.conf",
+                System.getProperty("test.src", ".") +"/confplusprop2.conf");
+        Config.refresh();
+
+        config = Config.getInstance();
+
+        if (!config.getDefaultRealm().equals("R2")) {
+            throw new Exception("Default realm error again");
+        }
+        if (!config.getKDCList("R1").equals("k12")) {
+            throw new Exception("R1 kdc error");
+        }
+        if (!config.getKDCList("R2").equals("k2")) {
+            throw new Exception("R2 kdc error");
+        }
+
+        // Point to a non-existing file
+        System.setProperty("java.security.krb5.conf", "i-am-not-a file");
+        Config.refresh();
+
+        config = Config.getInstance();
+
+        if (!config.getDefaultRealm().equals("R2")) {
+            throw new Exception("Default realm error");
+        }
+        try {
+            config.getKDCList("R1");
+            throw new Exception("R1 is nowhere");
+        } catch (KrbException ke) {
+            // OK
+        }
+        if (!config.getKDCList("R2").equals("k2")) {
+            throw new Exception("R2 kdc error");
+        }
+        if (config.getDefault("forwardable", "libdefaults") != null) {
+            throw new Exception("Extra config error");
+        }
+    }
+}