luni/src/test/java/libcore/highmemorytest/java/util/CurrencyTest.java

/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package libcore.highmemorytest.java.util;

import static org.junit.Assert.assertEquals;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;

import java.util.Currency;
import java.util.Locale;

/**
 * Runs in a separate java package because loading data in all locales creates a lot of garbage /
 * permanent heap growth in ICU4J and causes gcstress test failing in ART test environment.
 * See http://b/161420453.
 */
@RunWith(Parameterized.class)
public class CurrencyTest {
    @Parameterized.Parameters(name = "{0}")
    public static Locale[] getAllLocales() {
        return Locale.getAvailableLocales();
    }

    @Parameterized.Parameter(0)
    public Locale locale;

    @Test
    public void test_currencyCodeIcuConsistency() {
        Currency javaCurrency = getCurrency(locale);
        if (javaCurrency == null) {
            return;
        }
        assertEquals("Currency code is not consistent:" + locale,
                android.icu.util.Currency.getInstance(locale).getCurrencyCode(),
                javaCurrency.getCurrencyCode());
    }

    private static Currency getCurrency(Locale l) {
        try {
            return Currency.getInstance(l);
        } catch (IllegalArgumentException e) {
            // The locale could have no country or does not have currency for other reasons.
            return null;
        }
    }
}