/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-present, by David Gilbert and Contributors.
 *
 * Project Info:  http://www.jfree.org/jfreechart/index.html
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
 * Other names may be trademarks of their respective owners.]
 *
 * ------------------------------------
 * StandardPieToolTipGeneratorTest.java
 * ------------------------------------
 * (C) Copyright 2003-present, by David Gilbert and Contributors.
 *
 * Original Author:  David Gilbert;
 * Contributor(s):   -;
 *
 */

package org.jfree.chart.labels;

import java.text.DecimalFormat;
import java.text.NumberFormat;

import org.jfree.chart.TestUtils;
import org.jfree.chart.util.PublicCloneable;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.*;

/**
 * Tests for the {@link StandardPieToolTipGenerator} class.
 */
public class StandardPieToolTipGeneratorTest {

    /**
     * Test that the equals() method distinguishes all fields.
     */
    @Test
    public void testEquals() {
        StandardPieToolTipGenerator g1 = new StandardPieToolTipGenerator();
        StandardPieToolTipGenerator g2 = new StandardPieToolTipGenerator();
        assertEquals(g1, g2);
        assertEquals(g2, g1);

        g1 = new StandardPieToolTipGenerator("{0}",
                new DecimalFormat("#,##0.00"),
                NumberFormat.getPercentInstance());
        assertNotEquals(g1, g2);
        g2 = new StandardPieToolTipGenerator("{0}",
                new DecimalFormat("#,##0.00"),
                NumberFormat.getPercentInstance());
        assertEquals(g1, g2);

        g1 = new StandardPieToolTipGenerator("{0} {1}",
                new DecimalFormat("#,##0.00"),
                NumberFormat.getPercentInstance());
        assertNotEquals(g1, g2);
        g2 = new StandardPieToolTipGenerator("{0} {1}",
                new DecimalFormat("#,##0.00"),
                NumberFormat.getPercentInstance());
        assertEquals(g1, g2);

        g1 = new StandardPieToolTipGenerator("{0} {1}",
                new DecimalFormat("#,##0"), NumberFormat.getPercentInstance());
        assertNotEquals(g1, g2);
        g2 = new StandardPieToolTipGenerator("{0} {1}",
                new DecimalFormat("#,##0"), NumberFormat.getPercentInstance());
        assertEquals(g1, g2);

        g1 = new StandardPieToolTipGenerator("{0} {1}",
                new DecimalFormat("#,##0"), new DecimalFormat("0.000%"));
        assertNotEquals(g1, g2);
        g2 = new StandardPieToolTipGenerator("{0} {1}",
                new DecimalFormat("#,##0"), new DecimalFormat("0.000%"));
        assertEquals(g1, g2);
    }

    /**
     * Simple check that hashCode is implemented.
     */
    @Test
    public void testHashCode() {
        StandardPieToolTipGenerator g1
                = new StandardPieToolTipGenerator();
        StandardPieToolTipGenerator g2
                = new StandardPieToolTipGenerator();
        assertEquals(g1, g2);
        assertEquals(g1.hashCode(), g2.hashCode());
    }

    /**
     * Some checks for cloning.
     */
    @Test
    public void testCloning() throws CloneNotSupportedException {
        StandardPieToolTipGenerator g1 = new StandardPieToolTipGenerator();
        StandardPieToolTipGenerator g2 = (StandardPieToolTipGenerator) 
                g1.clone();
        assertNotSame(g1, g2);
        assertSame(g1.getClass(), g2.getClass());
        assertEquals(g1, g2);
        assertNotSame(g1.getNumberFormat(), g2.getNumberFormat());
        assertNotSame(g1.getPercentFormat(), g2.getPercentFormat());
    }

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

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    @Test
    public void testSerialization() {
        StandardPieToolTipGenerator g1 = new StandardPieToolTipGenerator();
        StandardPieToolTipGenerator g2 = TestUtils.serialised(g1);
        assertEquals(g1, g2);
    }

}
