/*
 * Copyright (c) 2007, 2023, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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
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 */

/*
 * @test
 * @bug 4184873
 * @summary test that locale invariants are preserved across serialization.
 * @run junit LegacyCodesClassInvariant
 */

/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file and, per its terms, should not be removed:
 *
 * (C) Copyright IBM Corp. 1996 - 1999 - All Rights Reserved
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 * Portions copyright (c) 2007 Sun Microsystems, Inc.
 * All Rights Reserved.
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 * The original version of this source code and documentation
 * is copyrighted and owned by Taligent, Inc., a wholly-owned
 * subsidiary of IBM. These materials are provided under terms
 * of a License Agreement between Taligent and Sun. This technology
 * is protected by multiple US and International patents.
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import java.io.File;
import java.io.FileInputStream;
import java.io.ObjectInputStream;
import java.util.Locale;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.fail;

/**
 *  A Locale can never contain the following language codes: he, yi or id.
 */
public class LegacyCodesClassInvariant {
    @Test
    public void testIt() throws Exception {
        verify("he");
        verify("yi");
        verify("id");
    }

    private void verify(String lang) {
        try {
            ObjectInputStream in = getStream(lang);
            if (in != null) {
                final Locale loc = (Locale)in.readObject();
                final Locale expected = Locale.of(lang, "XX");
                assertEquals(expected, loc,
                        "Locale didn't maintain invariants for: "+lang);
                in.close();
            }
        } catch (Exception e) {
            fail(e.toString());
        }
    }

    private ObjectInputStream getStream(String lang) {
        try {
            final File f = new File(System.getProperty("test.src", "."), "LegacyCodesClassInvariant_"+lang);
            return new ObjectInputStream(new FileInputStream(f));
        } catch (Exception e) {
            fail(e.toString());
            return null;
        }
    }
}