public class StandardCategorySeriesLabelGeneratorTests extends TestCase {

    /**
     * Returns the tests as a test suite.
     *
     * @return The test suite.
     */
    public static Test suite() {
        return new TestSuite(StandardCategorySeriesLabelGeneratorTests.class);
    }

    /**
     * Constructs a new set of tests.
     *
     * @param name  the name of the tests.
     */
    public StandardCategorySeriesLabelGeneratorTests(String name) {
        super(name);
    }

    /**
     * Some checks for the generalLabel() method.
     */
    public void testGenerateLabel() {
        StandardCategorySeriesLabelGenerator g
                = new StandardCategorySeriesLabelGenerator("{0}");
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        dataset.addValue(1.0, "R0", "C0");
        dataset.addValue(2.0, "R0", "C1");
        dataset.addValue(3.0, "R1", "C0");
        dataset.addValue(null, "R1", "C1");
        String s = g.generateLabel(dataset, 0);
        assertEquals("R0", s);
    }

    /**
     * Some checks for the equals() method.
     */
    public void testEquals() {
        StandardCategorySeriesLabelGenerator g1
                = new StandardCategorySeriesLabelGenerator();
        StandardCategorySeriesLabelGenerator g2
                = new StandardCategorySeriesLabelGenerator();
        assertTrue(g1.equals(g2));
        assertTrue(g2.equals(g1));

        g1 = new StandardCategorySeriesLabelGenerator("{1}");
        assertFalse(g1.equals(g2));
        g2 = new StandardCategorySeriesLabelGenerator("{1}");
        assertTrue(g1.equals(g2));
    }

    /**
     * Simple check that hashCode is implemented.
     */
    public void testHashCode() {
        StandardCategorySeriesLabelGenerator g1
                = new StandardCategorySeriesLabelGenerator();
        StandardCategorySeriesLabelGenerator g2
                = new StandardCategorySeriesLabelGenerator();
        assertTrue(g1.equals(g2));
        assertTrue(g1.hashCode() == g2.hashCode());
    }

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        StandardCategorySeriesLabelGenerator g1
                = new StandardCategorySeriesLabelGenerator("{1}");
        StandardCategorySeriesLabelGenerator g2 = null;
        try {
            g2 = (StandardCategorySeriesLabelGenerator) g1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(g1 != g2);
        assertTrue(g1.getClass() == g2.getClass());
        assertTrue(g1.equals(g2));
    }

    /**
     * Check to ensure that this class implements PublicCloneable.
     */
    public void testPublicCloneable() {
        StandardCategorySeriesLabelGenerator g1
                = new StandardCategorySeriesLabelGenerator("{1}");
        assertTrue(g1 instanceof PublicCloneable);
    }

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        StandardCategorySeriesLabelGenerator g1
                = new StandardCategorySeriesLabelGenerator("{2}");
        StandardCategorySeriesLabelGenerator g2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(g1);
            out.close();

            ObjectInput in = new ObjectInputStream(
                    new ByteArrayInputStream(buffer.toByteArray()));
            g2 = (StandardCategorySeriesLabelGenerator) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(g1, g2);