--- /dev/null	2016-05-17 12:01:17.473251102 +0900
+++ new/test/java/text/Format/ChoiceFormat/Bug4387255.java	2016-05-23 13:57:40.847324909 +0900
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 1997, 2016, 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 4387255
+ * @summary Verifies that ChoiceFormat can handle large numbers of choices
+ */
+
+import java.text.ChoiceFormat;
+
+public class Bug4387255 {
+
+    private static final double[] doubles = {
+            0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+            10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
+            20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
+            30, 31, 32, 33, 34, 35};
+
+    private static final String[] strings = {
+            "0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
+            "A", "B", "C", "D", "E", "F", "G", "H", "I", "J",
+            "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T",
+            "U", "V", "W", "X", "Y", "Z"};
+
+    private static final String pattern =
+            "0#0|1#1|2#2|3#3|4#4|5#5|6#6|7#7|8#8|9#9" +
+            "|10#A|11#B|12#C|13#D|14#E|15#F|16#G|17#H|18#I|19#J" +
+            "|20#K|21#L|22#M|23#N|24#O|25#P|26#Q|27#R|28#S|29#T" +
+            "|30#U|31#V|32#W|33#X|34#Y|35#Z";
+
+    public static void main(String[] args) throws Exception {
+        ChoiceFormat choiceFormat1 = new ChoiceFormat(doubles, strings);
+        ChoiceFormat choiceFormat2 = new ChoiceFormat(pattern);
+        if (!choiceFormat1.equals(choiceFormat2)) {
+            System.out.println("choiceFormat1: " + choiceFormat1.toPattern());
+            System.out.println("choiceFormat2: " + choiceFormat2.toPattern());
+            throw new RuntimeException();
+        }
+
+        for (int i = 0; i < doubles.length; i++) {
+            String result = choiceFormat2.format(doubles[i]);
+            if (!result.equals(strings[i])) {
+                throw new RuntimeException("Wrong format result - expected " +
+                        strings[i] + ", got " + result);
+            }
+        }
+    }
+}