/*
*******************************************************************************
* Copyright (C) 1996-2007, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*/
package com.ibm.icu.dev.test.rbbi;
import com.ibm.icu.dev.test.TestFmwk;
import com.ibm.icu.text.BreakIterator;
import java.text.CharacterIterator;
import java.util.Arrays;
import java.util.Locale;
public class BreakIteratorRegTest extends TestFmwk
{
public static void main(String[] args) throws Exception {
new BreakIteratorRegTest().run(args);
}
public void TestRegUnreg() {
Locale thailand_locale = new Locale("th", "TH", "");
Locale foo_locale = new Locale("fu", "FU", "FOO");
BreakIterator jwbi = BreakIterator.getWordInstance(Locale.JAPAN);
BreakIterator uwbi = BreakIterator.getWordInstance(Locale.US);
BreakIterator usbi = BreakIterator.getSentenceInstance(Locale.US);
BreakIterator twbi = BreakIterator.getWordInstance(thailand_locale);
BreakIterator rwbi = BreakIterator.getWordInstance(new Locale("", "", ""));
BreakIterator sbi = (BreakIterator)usbi.clone();
// todo: this will cause the test to fail, no way to set a breakiterator to null text so can't fix yet.
// 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.";
// sbi.setText(text);
assertTrue(!BreakIterator.unregister(""), "unregister before register"); // coverage
Object key0 = BreakIterator.registerInstance((BreakIterator)twbi.clone(), foo_locale, BreakIterator.KIND_WORD);
Object key1 = BreakIterator.registerInstance(sbi, Locale.US, BreakIterator.KIND_WORD);
Object key2 = BreakIterator.registerInstance((BreakIterator)twbi.clone(), Locale.US, BreakIterator.KIND_WORD);
{
BreakIterator test0 = BreakIterator.getWordInstance(Locale.JAPAN);
BreakIterator test1 = BreakIterator.getWordInstance(Locale.US);
BreakIterator test2 = BreakIterator.getSentenceInstance(Locale.US);
BreakIterator test3 = BreakIterator.getWordInstance(thailand_locale);
BreakIterator test4 = BreakIterator.getWordInstance(foo_locale);
assertEqual(test0, jwbi, "japan word == japan word");
assertEqual(test1, twbi, "us word == thai word");
assertEqual(test2, usbi, "us sentence == us sentence");
assertEqual(test3, twbi, "thai word == thai word");
assertEqual(test4, twbi, "foo word == thai word");
}
//Locale[] locales = BreakIterator.getAvailableLocales();
assertTrue(BreakIterator.unregister(key2), "unregister us word (thai word)");
assertTrue(!BreakIterator.unregister(key2), "unregister second time");
boolean error = false;
try {
BreakIterator.unregister(null);
}
catch (IllegalArgumentException e) {
error = true;
}
assertTrue(error, "unregister null");
{
CharacterIterator sci = BreakIterator.getWordInstance(Locale.US).getText();
int len = sci.getEndIndex() - sci.getBeginIndex();
assertEqual(len, 0, "us word text: " + getString(sci));
}
assertTrue(Arrays.asList(BreakIterator.getAvailableLocales()).contains(foo_locale), "foo_locale");
assertTrue(BreakIterator.unregister(key0), "unregister foo word (thai word)");
assertTrue(!Arrays.asList(BreakIterator.getAvailableLocales()).contains(foo_locale), "no foo_locale");
assertEqual(BreakIterator.getWordInstance(Locale.US), usbi, "us word == us sentence");
assertTrue(BreakIterator.unregister(key1), "unregister us word (us sentence)");
{
BreakIterator test0 = BreakIterator.getWordInstance(Locale.JAPAN);
BreakIterator test1 = BreakIterator.getWordInstance(Locale.US);
BreakIterator test2 = BreakIterator.getSentenceInstance(Locale.US);
BreakIterator test3 = BreakIterator.getWordInstance(thailand_locale);
BreakIterator test4 = BreakIterator.getWordInstance(foo_locale);
assertEqual(test0, jwbi, "japanese word break");
assertEqual(test1, uwbi, "us sentence-word break");
assertEqual(test2, usbi, "us sentence break");
assertEqual(test3, twbi, "thai word break");
assertEqual(test4, rwbi, "root word break");
CharacterIterator sci = test1.getText();
int len = sci.getEndIndex() - sci.getBeginIndex();
assertEqual(len, 0, "us sentence-word break text: " + getString(sci));
}
}
private void assertEqual(Object lhs, Object rhs, String msg) {
msg(msg, lhs.equals(rhs) ? LOG : ERR, true, true);
}
private void assertEqual(int lhs, int rhs, String msg) {
msg(msg, lhs == rhs ? LOG : ERR, true, true);
}
private void assertTrue(boolean arg, String msg) {
msg(msg, arg ? LOG : ERR, true, true);
}
private static String getString(CharacterIterator ci) {
StringBuffer buf = new StringBuffer(ci.getEndIndex() - ci.getBeginIndex() + 2);
buf.append("'");
for (char c = ci.first(); c != CharacterIterator.DONE; c = ci.next()) {
buf.append(c);
}
buf.append("'");
return buf.toString();
}
}