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jfreechart example source code file (RelativeDateFormatTests.java)

This example jfreechart source code file (RelativeDateFormatTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

d, date, date, decimalformat, decimalformat, h, m, m, numberformat, relativedateformat, relativedateformat, relativedateformattests, s, string, text, util

The jfreechart RelativeDateFormatTests.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, by Object Refinery Limited 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.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * ----------------------------
 * RelativeDateFormatTests.java
 * ----------------------------
 * (C) Copyright 2006-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 23-Nov-2006 : Version 1 (DG);
 * 15-Feb-2008 : Added tests for negative dates (DG);
 * 01-Sep-2008 : Added a test for hours and minutes with leading zeroes (DG);
 *
 */

package org.jfree.chart.util.junit;

import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.Date;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.jfree.chart.util.RelativeDateFormat;

/**
 * Tests for the {@link RelativeDateFormat} class.
 */
public class RelativeDateFormatTests extends TestCase {

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

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

    /**
     * Some checks for the formatting.
     */
    public void testFormat() {
        RelativeDateFormat rdf = new RelativeDateFormat();
        String s = rdf.format(new Date(2 * 60L * 60L * 1000L + 122500L));
        assertEquals("2h2m2.500s", s);
    }

    /**
     * Test that we can configure the RelativeDateFormat to show
     * hh:mm:ss.
     */
    public void test2033092() {
        RelativeDateFormat rdf = new RelativeDateFormat();
        rdf.setShowZeroDays(false);
        rdf.setShowZeroHours(false);
        rdf.setMinuteSuffix(":");
        rdf.setHourSuffix(":");
        rdf.setSecondSuffix("");
        DecimalFormat hoursFormatter = new DecimalFormat();
        hoursFormatter.setMaximumFractionDigits(0);
        hoursFormatter.setMaximumIntegerDigits(2);
        hoursFormatter.setMinimumIntegerDigits(2);
        rdf.setHourFormatter(hoursFormatter);
        DecimalFormat minsFormatter = new DecimalFormat();
        minsFormatter.setMaximumFractionDigits(0);
        minsFormatter.setMaximumIntegerDigits(2);
        minsFormatter.setMinimumIntegerDigits(2);
        rdf.setMinuteFormatter(minsFormatter);
        DecimalFormat secondsFormatter = new DecimalFormat();
        secondsFormatter.setMaximumFractionDigits(0);
        secondsFormatter.setMaximumIntegerDigits(2);
        secondsFormatter.setMinimumIntegerDigits(2);
        rdf.setSecondFormatter(secondsFormatter);
        String s = rdf.format(new Date(2 * 60L * 60L * 1000L + 122500L));
        assertEquals("02:02:02", s);
    }

    /**
     * Check that the equals() method can distinguish all fields.
     */
    public void testEquals() {
        RelativeDateFormat df1 = new RelativeDateFormat();
        RelativeDateFormat df2 = new RelativeDateFormat();
        assertEquals(df1, df2);

        df1.setBaseMillis(123L);
        assertFalse(df1.equals(df2));
        df2.setBaseMillis(123L);
        assertTrue(df1.equals(df2));

        df1.setDayFormatter(new DecimalFormat("0%"));
        assertFalse(df1.equals(df2));
        df2.setDayFormatter(new DecimalFormat("0%"));
        assertTrue(df1.equals(df2));

        df1.setDaySuffix("D");
        assertFalse(df1.equals(df2));
        df2.setDaySuffix("D");
        assertTrue(df1.equals(df2));

        df1.setHourFormatter(new DecimalFormat("0%"));
        assertFalse(df1.equals(df2));
        df2.setHourFormatter(new DecimalFormat("0%"));
        assertTrue(df1.equals(df2));

        df1.setHourSuffix("H");
        assertFalse(df1.equals(df2));
        df2.setHourSuffix("H");
        assertTrue(df1.equals(df2));

        df1.setMinuteFormatter(new DecimalFormat("0%"));
        assertFalse(df1.equals(df2));
        df2.setMinuteFormatter(new DecimalFormat("0%"));
        assertTrue(df1.equals(df2));

        df1.setMinuteSuffix("M");
        assertFalse(df1.equals(df2));
        df2.setMinuteSuffix("M");
        assertTrue(df1.equals(df2));

        df1.setSecondSuffix("S");
        assertFalse(df1.equals(df2));
        df2.setSecondSuffix("S");
        assertTrue(df1.equals(df2));

        df1.setShowZeroDays(!df1.getShowZeroDays());
        assertFalse(df1.equals(df2));
        df2.setShowZeroDays(!df2.getShowZeroDays());
        assertTrue(df1.equals(df2));

        df1.setSecondFormatter(new DecimalFormat("0.0"));
        assertFalse(df1.equals(df2));
        df2.setSecondFormatter(new DecimalFormat("0.0"));
        assertTrue(df1.equals(df2));
    }

    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashCode() {
        RelativeDateFormat df1 = new RelativeDateFormat(123L);
        RelativeDateFormat df2 = new RelativeDateFormat(123L);
        assertTrue(df1.equals(df2));
        int h1 = df1.hashCode();
        int h2 = df2.hashCode();
        assertEquals(h1, h2);
    }

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        NumberFormat nf = new DecimalFormat("0");
        RelativeDateFormat df1 = new RelativeDateFormat();
        df1.setSecondFormatter(nf);
        RelativeDateFormat df2 = null;
        df2 = (RelativeDateFormat) df1.clone();
        assertTrue(df1 != df2);
        assertTrue(df1.getClass() == df2.getClass());
        assertTrue(df1.equals(df2));

        // is the clone independent
        nf.setMinimumFractionDigits(2);
        assertFalse(df1.equals(df2));
    }

    /**
     * Some tests for negative dates.
     */
    public void testNegative() {
        NumberFormat nf = new DecimalFormat("0");
        RelativeDateFormat df1 = new RelativeDateFormat();
        df1.setSecondFormatter(nf);
        assertEquals("-0h0m1s", df1.format(new Date(-1000L)));
    }
}

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