--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/util/AbstractMap/ToString.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2001 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 4486049
+ * @summary toString method fails if size changes in between a call to size
+ *           and an attempt to iterate.
+ * @author Josh Bloch
+ */
+
+import java.util.*;
+
+public class ToString {
+    public static void main(String[] args) {
+        Map m = new LyingMap();
+        if (!m.toString().equals("{}"))
+            throw new RuntimeException(m.toString() + "!= {}");
+
+        m.put("x", "1");
+        if (!m.toString().equals("{x=1}"))
+            throw new RuntimeException(m.toString() + "!= {x=1}");
+
+        m.put("y", "2");
+        if (!m.toString().equals("{x=1, y=2}"))
+            throw new RuntimeException(m.toString() + "!= {x=1, y=2}");
+    }
+}
+
+class LyingMap extends LinkedHashMap {
+    public int size() {
+        return super.size() + 1; // Lies, lies, all lies!
+    }
+}