russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
113 lines
4 KiB
Java
113 lines
4 KiB
Java
/*
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* Copyright (c) 2022, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8282819
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* @summary Unit tests for Locale.of() method. Those tests check the equality
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* of obtained objects with ones that are gotten from other means with both
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* well-formed and ill-formed arguments. Also checks the possible NPEs
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* for error cases.
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* @run junit TestOf
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*/
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.MethodSource;
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import java.util.Locale;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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@SuppressWarnings("deprecation")
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public class TestOf {
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static Object[][] data_1Arg() {
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return new Object[][]{
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// well-formed
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{Locale.ENGLISH, "en"},
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{Locale.JAPANESE, "ja"},
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// ill-formed
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{Locale.ROOT, ""},
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{new Locale("a"), "a"},
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{new Locale("xxxxxxxxxx"), "xxxxxxxxxx"},
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};
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}
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static Object[][] data_2Args() {
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return new Object[][]{
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// well-formed
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{Locale.US, "en", "US"},
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{Locale.JAPAN, "ja", "JP"},
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// ill-formed
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{new Locale("", "US"), "", "US"},
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{new Locale("a", "b"), "a", "b"},
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{new Locale("xxxxxxxxxx", "yyyyyyyyyy"), "xxxxxxxxxx", "yyyyyyyyyy"},
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};
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}
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static Object[][] data_3Args() {
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return new Object[][]{
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// well-formed
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{Locale.forLanguageTag("en-US-POSIX"), "en", "US", "POSIX"},
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{Locale.forLanguageTag("ja-JP-POSIX"), "ja", "JP", "POSIX"},
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// ill-formed
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{new Locale("", "", "POSIX"), "", "", "POSIX"},
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{new Locale("a", "b", "c"), "a", "b", "c"},
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{new Locale("xxxxxxxxxx", "yyyyyyyyyy", "zzzzzzzzzz"),
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"xxxxxxxxxx", "yyyyyyyyyy", "zzzzzzzzzz"},
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{new Locale("ja", "JP", "JP"), "ja", "JP", "JP"},
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{new Locale("th", "TH", "TH"), "th", "TH", "TH"},
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{new Locale("no", "NO", "NY"), "no", "NO", "NY"},
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};
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}
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@MethodSource("data_1Arg")
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@ParameterizedTest
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void test_1Arg(Locale expected, String lang) {
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assertEquals(expected, Locale.of(lang));
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}
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@MethodSource("data_2Args")
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@ParameterizedTest
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void test_2Args(Locale expected, String lang, String ctry) {
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assertEquals(expected, Locale.of(lang, ctry));
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}
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@MethodSource("data_3Args")
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@ParameterizedTest
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void test_3Args(Locale expected, String lang, String ctry, String vrnt) {
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assertEquals(expected, Locale.of(lang, ctry, vrnt));
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}
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@Test
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void test_NPE() {
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assertThrows(NullPointerException.class, () -> Locale.of(null));
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assertThrows(NullPointerException.class, () -> Locale.of("", null));
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assertThrows(NullPointerException.class, () -> Locale.of("", "", null));
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}
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}
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