--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/security/BasicPermission/Homogeneity.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2000 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 4291610
+ * @summary BasicPermission.newPermissionCollection collection does not
+ *      enforce homogeneity
+ */
+
+import java.security.BasicPermission;
+
+public class Homogeneity {
+
+    public static void main(String[] args) {
+
+        java.lang.RuntimePermission rp = new java.lang.RuntimePermission
+                                        ("*");
+        java.lang.RuntimePermission rp2 = new java.lang.RuntimePermission
+                                        ("exitVM");
+        java.net.NetPermission np = new java.net.NetPermission
+                                        ("setDefaultAuthenticator");
+
+        // should be able to add identical BasicPermission subclasses to the
+        // same collection
+        java.security.PermissionCollection perms = rp.newPermissionCollection();
+        try {
+            perms.add(rp);
+            perms.add(rp2);
+        } catch (IllegalArgumentException iae) {
+            throw new SecurityException("GOOD ADD TEST FAILED");
+        }
+
+        // make sure you can't add different BasicPermission subclasses
+        // to the same collection
+        try {
+            // this should fail
+            perms.add(np);
+            throw new SecurityException("BAD ADD TEST FAILED");
+        } catch (IllegalArgumentException iae) {
+            // good
+        }
+
+        // make sure a BasicPermissionCollection doesn't imply
+        // random BasicPermission subclasses
+        if (perms.implies(np)) {
+            throw new SecurityException("IMPLIES TEST FAILED");
+        }
+    }
+}