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/*
* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @bug 8282819
* @summary Unit tests for Locale.of() method. Those tests check the equality
* of obtained objects with ones that are gotten from other means with both
* well-formed and ill-formed arguments. Also checks the possible NPEs
* for error cases.
* @run testng TestOf
*/
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertThrows;
import java.util.Locale;
import org.testng.annotations.Test;
import org.testng.annotations.DataProvider;
@SuppressWarnings("deprecation")
@Test
public class TestOf {
@DataProvider
public Object[][] data_1Arg() {
return new Object[][]{
// well-formed
{Locale.ENGLISH, "en"},
{Locale.JAPANESE, "ja"},
// ill-formed
{Locale.ROOT, ""},
{new Locale("a"), "a"},
{new Locale("xxxxxxxxxx"), "xxxxxxxxxx"},
};
}
@DataProvider
public Object[][] data_2Args() {
return new Object[][]{
// well-formed
{Locale.US, "en", "US"},
{Locale.JAPAN, "ja", "JP"},
// ill-formed
{new Locale("", "US"), "", "US"},
{new Locale("a", "b"), "a", "b"},
{new Locale("xxxxxxxxxx", "yyyyyyyyyy"), "xxxxxxxxxx", "yyyyyyyyyy"},
};
}
@DataProvider
public Object[][] data_3Args() {
return new Object[][]{
// well-formed
{Locale.forLanguageTag("en-US-POSIX"), "en", "US", "POSIX"},
{Locale.forLanguageTag("ja-JP-POSIX"), "ja", "JP", "POSIX"},
// ill-formed
{new Locale("", "", "POSIX"), "", "", "POSIX"},
{new Locale("a", "b", "c"), "a", "b", "c"},
{new Locale("xxxxxxxxxx", "yyyyyyyyyy", "zzzzzzzzzz"),
"xxxxxxxxxx", "yyyyyyyyyy", "zzzzzzzzzz"},
{new Locale("ja", "JP", "JP"), "ja", "JP", "JP"},
{new Locale("th", "TH", "TH"), "th", "TH", "TH"},
{new Locale("no", "NO", "NY"), "no", "NO", "NY"},
};
}
@Test (dataProvider = "data_1Arg")
public void test_1Arg(Locale expected, String lang) {
assertEquals(Locale.of(lang), expected);
}
@Test (dataProvider = "data_2Args")
public void test_2Args(Locale expected, String lang, String ctry) {
assertEquals(Locale.of(lang, ctry), expected);
}
@Test (dataProvider = "data_3Args")
public void test_3Args(Locale expected, String lang, String ctry, String vrnt) {
assertEquals(Locale.of(lang, ctry, vrnt), expected);
}
@Test
public void test_NPE() {
assertThrows(NullPointerException.class, () -> Locale.of(null));
assertThrows(NullPointerException.class, () -> Locale.of("", null));
assertThrows(NullPointerException.class, () -> Locale.of("", "", null));
}
}
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