diff -r fd16c54261b3 -r 90ce3da70b43 jdk/test/java/security/Security/removing/RemoveProviders.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/security/Security/removing/RemoveProviders.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2003 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 4963416
+ * @summary make sure removeProvider() always works correctly
+ * @author Andreas Sterbenz
+ */
+
+import java.util.*;
+
+import java.security.*;
+
+public class RemoveProviders {
+
+    public static void main(String[] args) throws Exception {
+        Provider[] providers = Security.getProviders();
+        System.out.println("Providers: " + Arrays.asList(providers));
+
+        // remove each provider and add it back in at the end of the list
+        for (int i = 0; i < providers.length; i++) {
+            Provider p = providers[i];
+            String name = p.getName();
+            Security.removeProvider(name);
+            if (Security.getProvider(name) != null) {
+                throw new Exception("Provider not removed: " + name);
+            }
+            Security.addProvider(p);
+        }
+        if (Arrays.equals(providers, Security.getProviders()) == false) {
+            throw new Exception("Provider mismatch: " + Arrays.asList(Security.getProviders()));
+        }
+
+        // remove non-existing provider
+        Security.removeProvider("foo");
+        if (Arrays.equals(providers, Security.getProviders()) == false) {
+            throw new Exception("Provider mismatch: " + Arrays.asList(Security.getProviders()));
+        }
+
+        // remove from the middle of the list
+        Security.removeProvider("SunJCE");
+        if (Security.getProvider("SunJCE") != null) {
+            throw new Exception("not removed");
+        }
+
+        System.out.println("Done.");
+    }
+
+}