1 /* 2 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 7003643 27 * @summary Make sure MessageFormat.toPattern produces correct quoting. (SPI part is tested in PluggableLocale tests.) 28 */ 29 30 import java.text.*; 31 import java.util.*; 32 33 public class Bug7003643 { 34 private static final int N = 5; 35 36 private static final String[] elements = { 37 "'{'", "'{", "{", "''", "}", "a", "'", 38 }; 39 40 public static void main(String[] args) { 41 Random rand = new Random(); 42 int count = 0; 43 int max = (int) (Math.pow((double)elements.length, (double)N)/0.52); 44 while (count < max) { 45 // Create a random pattern. If the produced pattern is 46 // valid, then proceed with the round-trip testing. 47 StringBuilder sb = new StringBuilder(); 48 for (int i = 0; i < N; i++) { 49 sb.append(elements[rand.nextInt(elements.length)]); 50 } 51 String pattern = sb.toString(); 52 MessageFormat mf = null; 53 try { 54 mf = new MessageFormat(pattern); 55 } catch (IllegalArgumentException e) { 56 // bad pattern data 57 } 58 if (mf == null) { 59 continue; 60 } 61 count++; 62 String res1 = MessageFormat.format(pattern, 123); 63 String toPattern = mf.toPattern(); 64 String res2 = MessageFormat.format(toPattern, 123); 65 if (!res1.equals(res2)) { 66 String s = String.format("Failed%n pattern=\"%s\" => result=\"%s\"%n" 67 + " toPattern()=\"%s\" => result=\"%s\"%n", 68 pattern, res1, toPattern, res2); 69 throw new RuntimeException(s); 70 } 71 } 72 } 73 }