/* * Copyright (c) 2010, 2023, 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 6807534 * @summary check whether the default implementation of * CurrencyNameProvider.getDisplayName(String, Locale) throws appropriate * exceptions when necessary. * @run junit CNPGetDisplayName */ import java.util.Locale; import java.util.spi.CurrencyNameProvider; import java.util.stream.Stream; import org.junit.jupiter.params.ParameterizedTest; import org.junit.jupiter.params.provider.Arguments; import org.junit.jupiter.params.provider.MethodSource; import static org.junit.jupiter.api.Assertions.assertThrows; public class CNPGetDisplayName { static final CurrencyNameProvider cnp = new CurrencyNameProviderImpl(); /** * Tests that the currency name provider throws a NullPointerException * under the expected circumstances. */ @ParameterizedTest @MethodSource("nullArgProvider") public void NPETest(String currencyCode, Locale locale, String err) { assertThrows(NullPointerException.class, () -> cnp.getDisplayName(currencyCode, locale), err); } /** * Tests that the currency name provider throws a IllegalArgumentException * under the expected circumstances. */ @ParameterizedTest @MethodSource("illegalArgProvider") public void IAETest(String currencyCode, Locale locale, String err) { assertThrows(IllegalArgumentException.class, () -> cnp.getDisplayName(currencyCode, locale), err); } private static Stream nullArgProvider() { return Stream.of( Arguments.of(null, Locale.US, "NPE was not thrown with null currencyCode"), Arguments.of("USD", null, "NPE was not thrown with null locale") ); } private static Stream illegalArgProvider() { return Stream.of( Arguments.of("INVALID", Locale.US, "IAE was not thrown with invalid currency code"), Arguments.of("inv", Locale.US, "IAE was not thrown with invalid currency code"), Arguments.of("USD", Locale.JAPAN, "IllegalArgumentException was not thrown with non-supported locale") ); } static class CurrencyNameProviderImpl extends CurrencyNameProvider { // dummy implementation public String getSymbol(String currencyCode, Locale locale) { return ""; } public Locale[] getAvailableLocales() { Locale[] avail = new Locale[1]; avail[0] = Locale.US; return avail; } } }