1 // 2016 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html#License 3 /* 4 ******************************************************************************* 5 * Copyright (C) 2008, International Business Machines Corporation and * 6 * others. All Rights Reserved. * 7 ******************************************************************************* 8 */ 9 package com.ibm.icu.dev.test.lang; 10 11 import java.util.LinkedList; 12 import java.util.List; 13 import java.util.ListIterator; 14 15 import org.junit.Test; 16 import org.junit.runner.RunWith; 17 import org.junit.runners.JUnit4; 18 19 import com.ibm.icu.dev.test.TestFmwk; 20 import com.ibm.icu.lang.UCharacter; 21 22 /** 23 * @author aheninger 24 * 25 */ 26 @RunWith(JUnit4.class) 27 public class UCharacterThreadTest extends TestFmwk { 28 // constructor ----------------------------------------------------------- 29 30 /** 31 * Private constructor to prevent initialisation 32 */ 33 public UCharacterThreadTest() 34 { 35 } 36 37 // public methods -------------------------------------------------------- 38 39 // 40 // Test multi-threaded parallel calls to UCharacter.getName(codePoint) 41 // Regression test for ticket 6264. 42 // 43 @Test 44 public void TestUCharactersGetName() throws InterruptedException { 45 List threads = new LinkedList(); 46 for(int t=0; t<20; t++) { 47 int codePoint = 47 + t; 48 String correctName = UCharacter.getName(codePoint); 49 GetNameThread thread = new GetNameThread(codePoint, correctName); 50 thread.start(); 51 threads.add(thread); 52 } 53 ListIterator i = threads.listIterator(); 54 while (i.hasNext()) { 55 GetNameThread thread = (GetNameThread)i.next(); 56 thread.join(); 57 if (!thread.correctName.equals(thread.actualName)) { 58 errln("FAIL, expected \"" + thread.correctName + "\", got \"" + thread.actualName + "\""); 59 } 60 } 61 } 62 63 private static class GetNameThread extends Thread { 64 private final int codePoint; 65 private final String correctName; 66 private String actualName; 67 68 GetNameThread(int codePoint, String correctName) { 69 this.codePoint = codePoint; 70 this.correctName = correctName; 71 } 72 73 @Override 74 public void run() { 75 for(int i=0; i<10000; i++) { 76 actualName = UCharacter.getName(codePoint); 77 if (!correctName.equals(actualName)) { 78 break; 79 } 80 } 81 } 82 } 83 } 84
