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) 1996-2010, International Business Machines Corporation and * 6 * others. All Rights Reserved. * 7 ******************************************************************************* 8 */ 9package com.ibm.icu.dev.test.rbbi; 10 11import java.text.CharacterIterator; 12import java.util.Arrays; 13import java.util.Locale; 14 15import org.junit.Test; 16 17import com.ibm.icu.dev.test.TestFmwk; 18import com.ibm.icu.text.BreakIterator; 19 20public class BreakIteratorRegTest extends TestFmwk 21{ 22 @Test 23 public void TestRegUnreg() { 24 Locale thailand_locale = new Locale("th", "TH", ""); 25 Locale foo_locale = new Locale("fu", "FU", "FOO"); 26 BreakIterator jwbi = BreakIterator.getWordInstance(Locale.JAPAN); 27 BreakIterator uwbi = BreakIterator.getWordInstance(Locale.US); 28 BreakIterator usbi = BreakIterator.getSentenceInstance(Locale.US); 29 BreakIterator twbi = BreakIterator.getWordInstance(thailand_locale); 30 BreakIterator rwbi = BreakIterator.getWordInstance(new Locale("", "", "")); 31 32 BreakIterator sbi = (BreakIterator)usbi.clone(); 33 // todo: this will cause the test to fail, no way to set a breakiterator to null text so can't fix yet. 34 // String text = "This is some test, by golly. Boy, they don't make tests like they used to, do they? This here test ain't worth $2.50. Nope."; 35 // sbi.setText(text); 36 37 assertTrue(!BreakIterator.unregister(""), "unregister before register"); // coverage 38 39 Object key0 = BreakIterator.registerInstance((BreakIterator)twbi.clone(), foo_locale, BreakIterator.KIND_WORD); 40 Object key1 = BreakIterator.registerInstance(sbi, Locale.US, BreakIterator.KIND_WORD); 41 Object key2 = BreakIterator.registerInstance((BreakIterator)twbi.clone(), Locale.US, BreakIterator.KIND_WORD); 42 43 { 44 BreakIterator test0 = BreakIterator.getWordInstance(Locale.JAPAN); 45 BreakIterator test1 = BreakIterator.getWordInstance(Locale.US); 46 BreakIterator test2 = BreakIterator.getSentenceInstance(Locale.US); 47 BreakIterator test3 = BreakIterator.getWordInstance(thailand_locale); 48 BreakIterator test4 = BreakIterator.getWordInstance(foo_locale); 49 50 assertEqual(test0, jwbi, "japan word == japan word"); 51 assertEqual(test1, twbi, "us word == thai word"); 52 assertEqual(test2, usbi, "us sentence == us sentence"); 53 assertEqual(test3, twbi, "thai word == thai word"); 54 assertEqual(test4, twbi, "foo word == thai word"); 55 } 56 57 //Locale[] locales = BreakIterator.getAvailableLocales(); 58 59 assertTrue(BreakIterator.unregister(key2), "unregister us word (thai word)"); 60 assertTrue(!BreakIterator.unregister(key2), "unregister second time"); 61 boolean error = false; 62 try { 63 BreakIterator.unregister(null); 64 } 65 catch (IllegalArgumentException e) { 66 error = true; 67 } 68 69 assertTrue(error, "unregister null"); 70 71 { 72 CharacterIterator sci = BreakIterator.getWordInstance(Locale.US).getText(); 73 int len = sci.getEndIndex() - sci.getBeginIndex(); 74 assertEqual(len, 0, "us word text: " + getString(sci)); 75 } 76 77 assertTrue(Arrays.asList(BreakIterator.getAvailableLocales()).contains(foo_locale), "foo_locale"); 78 assertTrue(BreakIterator.unregister(key0), "unregister foo word (thai word)"); 79 assertTrue(!Arrays.asList(BreakIterator.getAvailableLocales()).contains(foo_locale), "no foo_locale"); 80 assertEqual(BreakIterator.getWordInstance(Locale.US), usbi, "us word == us sentence"); 81 82 assertTrue(BreakIterator.unregister(key1), "unregister us word (us sentence)"); 83 { 84 BreakIterator test0 = BreakIterator.getWordInstance(Locale.JAPAN); 85 BreakIterator test1 = BreakIterator.getWordInstance(Locale.US); 86 BreakIterator test2 = BreakIterator.getSentenceInstance(Locale.US); 87 BreakIterator test3 = BreakIterator.getWordInstance(thailand_locale); 88 BreakIterator test4 = BreakIterator.getWordInstance(foo_locale); 89 90 assertEqual(test0, jwbi, "japanese word break"); 91 assertEqual(test1, uwbi, "us sentence-word break"); 92 assertEqual(test2, usbi, "us sentence break"); 93 assertEqual(test3, twbi, "thai word break"); 94 assertEqual(test4, rwbi, "root word break"); 95 96 CharacterIterator sci = test1.getText(); 97 int len = sci.getEndIndex() - sci.getBeginIndex(); 98 assertEqual(len, 0, "us sentence-word break text: " + getString(sci)); 99 } 100 } 101 102 private void assertEqual(Object lhs, Object rhs, String msg) { 103 msg(msg, lhs.equals(rhs) ? LOG : ERR, true, true); 104 } 105 106 private void assertEqual(int lhs, int rhs, String msg) { 107 msg(msg, lhs == rhs ? LOG : ERR, true, true); 108 } 109 110 private void assertTrue(boolean arg, String msg) { 111 msg(msg, arg ? LOG : ERR, true, true); 112 } 113 114 private static String getString(CharacterIterator ci) { 115 StringBuffer buf = new StringBuffer(ci.getEndIndex() - ci.getBeginIndex() + 2); 116 buf.append("'"); 117 for (char c = ci.first(); c != CharacterIterator.DONE; c = ci.next()) { 118 buf.append(c); 119 } 120 buf.append("'"); 121 return buf.toString(); 122 } 123} 124