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/*
* Copyright (C) 2010, Sasa Zivkov <sasa.zivkov@sap.com> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.nls;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;
import java.util.Locale;
import java.util.concurrent.Callable;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
public class NLSTest {
@Test
public void testNLSLocale() {
NLS.setLocale(NLS.ROOT_LOCALE);
GermanTranslatedBundle bundle = GermanTranslatedBundle.get();
assertEquals(NLS.ROOT_LOCALE, bundle.effectiveLocale());
NLS.setLocale(Locale.GERMAN);
bundle = GermanTranslatedBundle.get();
assertEquals(Locale.GERMAN, bundle.effectiveLocale());
}
@Test
public void testJVMDefaultLocale() {
Locale.setDefault(NLS.ROOT_LOCALE);
NLS.useJVMDefaultLocale();
GermanTranslatedBundle bundle = GermanTranslatedBundle.get();
assertEquals(NLS.ROOT_LOCALE, bundle.effectiveLocale());
Locale.setDefault(Locale.GERMAN);
NLS.useJVMDefaultLocale();
bundle = GermanTranslatedBundle.get();
assertEquals(Locale.GERMAN, bundle.effectiveLocale());
}
@Test
public void testThreadTranslationBundleInheritance() throws InterruptedException {
class T extends Thread {
GermanTranslatedBundle bundle;
@Override
public void run() {
bundle = GermanTranslatedBundle.get();
}
}
NLS.setLocale(NLS.ROOT_LOCALE);
GermanTranslatedBundle mainThreadsBundle = GermanTranslatedBundle.get();
T t = new T();
t.start();
t.join();
assertSame(mainThreadsBundle, t.bundle);
NLS.setLocale(Locale.GERMAN);
mainThreadsBundle = GermanTranslatedBundle.get();
t = new T();
t.start();
t.join();
assertSame(mainThreadsBundle, t.bundle);
}
@Test
public void testParallelThreadsWithDifferentLocales()
throws InterruptedException, ExecutionException {
final CyclicBarrier barrier = new CyclicBarrier(2);
class GetBundle implements Callable<TranslationBundle> {
private Locale locale;
GetBundle(Locale locale) {
this.locale = locale;
}
@Override
public TranslationBundle call() throws Exception {
NLS.setLocale(locale);
barrier.await(); // wait for the other thread to set its locale
return GermanTranslatedBundle.get();
}
}
ExecutorService pool = Executors.newFixedThreadPool(2);
try {
Future<TranslationBundle> root = pool.submit(new GetBundle(
NLS.ROOT_LOCALE));
Future<TranslationBundle> german = pool.submit(new GetBundle(
Locale.GERMAN));
assertEquals(NLS.ROOT_LOCALE, root.get().effectiveLocale());
assertEquals(Locale.GERMAN, german.get().effectiveLocale());
} finally {
pool.shutdown();
pool.awaitTermination(Long.MAX_VALUE, TimeUnit.SECONDS);
}
}
}
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