jdk/test/java/text/Format/ChoiceFormat/Bug4185732Test.java

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/*
 * @test
 * @bug 4185732
 * @library /java/text/testlib
 * @build Bug4185732Test IntlTest HexDumpReader
 * @run main Bug4185732Test
 * @summary test that ChoiceFormat invariants are preserved across serialization
 */
/*
 *
 *
 * (C) Copyright IBM Corp. 1996 - 1999 - All Rights Reserved
 *
 * 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.util.*;
import java.io.*;
import java.text.ChoiceFormat;

/**
 *  A Locale can never contains language codes of he, yi or id.
 */
public class Bug4185732Test extends IntlTest {
    public static void main(String[] args) throws Exception {
        if (args.length == 1 && args[0].equals("prepTest")) {
            prepTest();
        } else {
            new Bug4185732Test().run(args);
        }
    }

    public void testIt() throws Exception {
        try {
            final ObjectInputStream in
                = new ObjectInputStream(HexDumpReader.getStreamFromHexDump("Bug4185732.ser.txt"));
            final ChoiceFormat loc = (ChoiceFormat)in.readObject();
            if (loc.getFormats().length != loc.getLimits().length) {
                errln("ChoiceFormat did not properly check stream");
            } else {
                //for some reason, the data file was VALID.  This test
                //requires a corrupt data file the format and limit
                //arrays are of different length.
                errln("Test data file was not properly created");
            }
        } catch (InvalidObjectException e) {
            //this is what we want to have happen
        } catch (Exception e) {
            errln(e.toString());
        }
    }

    /**
     * Create a data file for this test.  The data file must be corrupted by hand.
     */
    private static void prepTest() {
        try {
            ObjectOutputStream out = new ObjectOutputStream(
                    new FileOutputStream("Bug4185732.ser"));
            final double[] limits = {1,2,3,4,5,6,7};
            final String[] formats = {"Sun","Mon","Tue","Wed","Thur","Fri","Sat"};
            final ChoiceFormat fmt = new ChoiceFormat(limits, formats);
            out.writeObject(fmt);
            out.close();
            System.out.println("You must invalidate the output file before running the test");
            System.out.println("by modifying the length of one of the array");
        } catch (Exception e) {
            System.out.println(e);
        }
    }
}