--- /dev/null	2014-06-17 12:20:48.953943020 -0700
+++ new/test/java/util/Collections/CheckedMapReplaceAll.java	2014-06-24 11:23:38.368219138 -0700
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug     8047795
+ * @summary Ensure that replaceAll operator cannot add bad elements
+ * @author  Mike Duigou
+ */
+
+import java.util.*;
+import java.util.function.BiFunction;
+
+public class CheckedMapReplaceAll {
+    public static void main(String[] args) {
+        Map<Integer,Double> unwrapped = new HashMap<>();
+        unwrapped.put(1, 1.0);
+        unwrapped.put(2, 2.0);
+        unwrapped.put(3, 3.0);
+
+        Map<Integer,Double> wrapped = Collections.checkedMap(unwrapped, Integer.class, Double.class);
+
+        BiFunction evil = (k, v) -> (((int)k) % 2 != 0) ? v : "evil";
+
+        try {
+            wrapped.replaceAll(evil);
+            System.out.printf("Bwahaha! I have defeated you! %s\n", wrapped);
+            throw new RuntimeException("String added to checked Map<Integer,Double>");
+        } catch (ClassCastException thwarted) {
+            thwarted.printStackTrace(System.out);
+            System.out.println("Curses! Foiled again!");
+        }
+    }
+}