/lib/docs/enum/test/com/plotnix/enum/EnumTestCase.java

/*

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 * $Date$

 *

 * ====================================================================

 * The PLOTNIX Software License, Version 1.0

 *

 *

 * Copyright (c) 2001 The PLOTNIX Software Foundation.  All rights

 * reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 *

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in

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 *    distribution.

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 * 3. The end-user documentation included with the redistribution,

 *    if any, must include the following acknowledgment:

 *       "This product includes software developed by the

 *        PLOTNIX, Inc (http://www.plotnix.com/)."

 *    Alternately, this acknowledgment may appear in the software itself,

 *    if and wherever such third-party acknowledgments normally appear.

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 * 4. The name "PLOTNIX" must not be used to endorse or promote

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package com.plotnix.enum;



import java.util.*;



import junit.framework.Test;

import junit.framework.TestCase;

import junit.framework.TestSuite;



import java.io.*;



/**

 *

 * @author Dmitri Plotnikov

 * @version $Revision$ $Date$

 */

public class EnumTestCase extends TestCase {

    /**

     * Exercises this test case only

     */

    public static void main(String args[]) {

        junit.textui.TestRunner.run(suite());

    }





    // ---------------------------------------------------------- Constructors



    /**

     * Construct a new instance of this test case.

     *

     * @param name Name of the test case

     */

    public EnumTestCase(String name)

    {

        super(name);

    }





    // -------------------------------------------------- Overall Test Methods





    /**

     * Set up instance variables required by this test case.

     */

    public void setUp()

    {

    }





    /**

     * Return the tests included in this test suite.

     */

    public static Test suite()

    {

        return (new TestSuite(EnumTestCase.class));

    }



    /**

     * Tear down instance variables required by this test case.

     */

    public void tearDown()

    {

    }





    // ------------------------------------------------ Individual Test Methods



    /**

     */

    public void testEnum() throws Exception {

        Color blue = Color.BLUE;

        assertEquals("blue.stringValue", "BLUE", blue.stringValue());

        assertEquals("blue.intValue", 2, blue.intValue());

        assertEquals("blue.toString", "Blue", blue.toString());



        Enum array[] = Enum.enum(Color.class);

        assertNotNull("enum(class) != null", array);

        assertEquals("enum(class).length", 3, array.length);

        assertEquals("enum(class)[0]", Color.RED, array[0]);

        assertEquals("enum(class)[1]", Color.GREEN, array[1]);

        assertEquals("enum(class)[2]", Color.BLUE, array[2]);



        Color sameColor = (Color)Enum.enum(Color.class, "BLUE");

        assertEquals("enum(class, id)", blue, sameColor);



        ComparisonResult less = ComparisonResult.LESS_THAN;

        assertEquals("less.stringValue", "LESS_THAN", less.stringValue());

        assertEquals("less.intValue", -1, less.intValue());



        ComparisonResult sameResult = (ComparisonResult)Enum.enum(ComparisonResult.class, -1);

        assert("enum(class, int)", sameResult == less);



        Flower rose = Flower.ROSE;

        assertEquals("rose.stringValue", "rose", rose.stringValue());

        assertEquals("rose.intValue", 0, rose.intValue());

        assertEquals("rose.toString", "Rosa", rose.toString());

        assertEquals("rose.toString(italian)", "una rosa", rose.toString(Locale.ITALY));

        assertEquals("daisy.toString(italian)", "una margherita", Flower.enum("daisy").toString(Locale.ITALY));



        assertEquals("EMPLOYED.stringValue", "EMPLOYED", Enum.enum(Employment.class, Employment.EMPLOYED).stringValue());

        assertEquals("EMPLOYED.intValue", Employment.EMPLOYED, Enum.enum(Employment.class, Employment.EMPLOYED).intValue());



        Gender male = Gender.MALE;

        assertEquals("male.stringValue", "M", male.stringValue());

        assertEquals("mail.intValue", 1, male.intValue());

        assertEquals("mail.toString", "Male", male.toString());



        Color newBlue = (Color)reserialize(blue);

        assert("Reserialization", newBlue == blue);

    }



    private Object reserialize(Object object) throws Exception {

        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        ObjectOutputStream oos = new ObjectOutputStream(baos);

        oos.writeObject(object);



        byte[] array = baos.toByteArray();



        oos.close();



        ByteArrayInputStream bais = new ByteArrayInputStream(array);



        ObjectInputStream ois = new ObjectInputStream(bais);

        return ois.readObject();

    }

}