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85 lines
3.2 KiB
Java
85 lines
3.2 KiB
Java
/*
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* Copyright (c) 2021, 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 8276186 8174269
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* @summary Checks whether getAvailableLocales() returns at least Locale.ROOT and
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* Locale.US instances.
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* @run junit RequiredAvailableLocalesTest
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*/
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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import java.text.BreakIterator;
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import java.text.Collator;
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import java.text.DateFormat;
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import java.text.DateFormatSymbols;
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import java.text.DecimalFormatSymbols;
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import java.text.NumberFormat;
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import java.time.format.DecimalStyle;
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import java.util.Arrays;
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import java.util.Calendar;
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import java.util.Locale;
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import java.util.Set;
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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 static org.junit.jupiter.api.Assertions.assertTrue;
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public class RequiredAvailableLocalesTest {
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private static final Set<Locale> REQUIRED_LOCALES = Set.of(Locale.ROOT, Locale.US);
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private static final MethodType ARRAY_RETURN_TYPE = MethodType.methodType(Locale.class.arrayType());
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private static final MethodType SET_RETURN_TYPE = MethodType.methodType(Set.class);
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static Object[][] availableLocalesClasses() {
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return new Object[][] {
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{BreakIterator.class, ARRAY_RETURN_TYPE},
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{Calendar.class, ARRAY_RETURN_TYPE},
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{Collator.class, ARRAY_RETURN_TYPE},
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{DateFormat.class, ARRAY_RETURN_TYPE},
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{DateFormatSymbols.class, ARRAY_RETURN_TYPE},
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{DecimalFormatSymbols.class, ARRAY_RETURN_TYPE},
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{DecimalStyle.class, SET_RETURN_TYPE},
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{Locale.class, ARRAY_RETURN_TYPE},
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{NumberFormat.class, ARRAY_RETURN_TYPE},
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};
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}
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@MethodSource("availableLocalesClasses")
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@ParameterizedTest
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void checkRequiredLocales(Class<?> c, MethodType mt) throws Throwable {
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var ret = MethodHandles.lookup().findStatic(c, "getAvailableLocales", mt).invoke();
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if (ret instanceof Locale[] a) {
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assertTrue(Arrays.asList(a).containsAll(REQUIRED_LOCALES));
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} else if (ret instanceof Set<?> s) {
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assertTrue(s.containsAll(REQUIRED_LOCALES));
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} else {
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throw new RuntimeException("return type mismatch");
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}
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}
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}
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