DateValuesAxisTest.java

/*
 * Copyright (c) 2004-2011 Marco Maccaferri and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Marco Maccaferri - initial API and implementation
 */

package org.eclipsetrader.ui.charts;

import java.util.Calendar;
import java.util.Date;

import junit.framework.TestCase;

import org.eclipse.swt.SWT;

public class DateValuesAxisTest extends TestCase {

    public void testComputeSize() throws Exception {
        DateValuesAxis axis = new DateValuesAxis();
        assertEquals(0, axis.computeSize(SWT.DEFAULT));
        axis.addValues(new Object[] {
                getTime(11, Calendar.NOVEMBER, 2007),
                getTime(12, Calendar.NOVEMBER, 2007),
        });
        assertEquals(10, axis.computeSize(SWT.DEFAULT));
    }

    public void testMapToAxis() throws Exception {
        DateValuesAxis axis = new DateValuesAxis();
        axis.addValues(new Object[] {
                getTime(11, Calendar.NOVEMBER, 2007),
                getTime(12, Calendar.NOVEMBER, 2007),
        });
        assertEquals(2, axis.mapToAxis(getTime(11, Calendar.NOVEMBER, 2007)));
        assertEquals(7, axis.mapToAxis(getTime(12, Calendar.NOVEMBER, 2007)));
    }

    public void testMapToValue() throws Exception {
        DateValuesAxis axis = new DateValuesAxis();
        axis.addValues(new Object[] {
                getTime(11, Calendar.NOVEMBER, 2007),
                getTime(12, Calendar.NOVEMBER, 2007),
        });
        assertEquals(getTime(11, Calendar.NOVEMBER, 2007), axis.mapToValue(0));
        assertEquals(getTime(11, Calendar.NOVEMBER, 2007), axis.mapToValue(1));
        assertEquals(getTime(11, Calendar.NOVEMBER, 2007), axis.mapToValue(2));
        assertEquals(getTime(11, Calendar.NOVEMBER, 2007), axis.mapToValue(3));
        assertEquals(getTime(11, Calendar.NOVEMBER, 2007), axis.mapToValue(4));
        assertEquals(getTime(12, Calendar.NOVEMBER, 2007), axis.mapToValue(5));
        assertEquals(getTime(12, Calendar.NOVEMBER, 2007), axis.mapToValue(6));
    }

    private Date getTime(int day, int month, int year) {
        Calendar date = Calendar.getInstance();
        date.set(year, month, day, 0, 0, 0);
        date.set(Calendar.MILLISECOND, 0);
        return date.getTime();
    }
}