| /* |
| * Copyright (c) 2010, 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 7003643 |
| * @summary Make sure MessageFormat.toPattern produces correct quoting. (SPI part is tested in PluggableLocale tests.) |
| * @key randomness |
| */ |
| |
| import java.text.*; |
| import java.util.*; |
| |
| public class Bug7003643 { |
| private static final int N = 5; |
| |
| private static final String[] elements = { |
| "'{'", "'{", "{", "''", "}", "a", "'", |
| }; |
| |
| public static void main(String[] args) { |
| Random rand = new Random(); |
| int count = 0; |
| int max = (int) (Math.pow((double)elements.length, (double)N)/0.52); |
| while (count < max) { |
| // Create a random pattern. If the produced pattern is |
| // valid, then proceed with the round-trip testing. |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < N; i++) { |
| sb.append(elements[rand.nextInt(elements.length)]); |
| } |
| String pattern = sb.toString(); |
| MessageFormat mf = null; |
| try { |
| mf = new MessageFormat(pattern); |
| } catch (IllegalArgumentException e) { |
| // bad pattern data |
| } |
| if (mf == null) { |
| continue; |
| } |
| count++; |
| String res1 = MessageFormat.format(pattern, 123); |
| String toPattern = mf.toPattern(); |
| String res2 = MessageFormat.format(toPattern, 123); |
| if (!res1.equals(res2)) { |
| String s = String.format("Failed%n pattern=\"%s\" => result=\"%s\"%n" |
| + " toPattern()=\"%s\" => result=\"%s\"%n", |
| pattern, res1, toPattern, res2); |
| throw new RuntimeException(s); |
| } |
| } |
| } |
| } |