/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2009, 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.]
*
* ------------------
* XYSeriesTests.java
* ------------------
* (C) Copyright 2003-2009, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 23-Dec-2003 : Version 1 (DG);
* 15-Jan-2007 : Added tests for new toArray() method (DG);
* 30-Jan-2007 : Fixed some code that won't compile with Java 1.4 (DG);
* 31-Oct-2007 : New hashCode() test (DG);
* 01-May-2008 : Added testAddOrUpdate3() (DG);
* 24-Nov-2008 : Added testBug1955483() (DG);
* 06-Mar-2009 : Added tests for cached bounds values (DG);
*
*/
package org.jfree.data.xy.junit;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.data.general.SeriesException;
import org.jfree.data.xy.DefaultXYDataset;
import org.jfree.data.xy.XYDataItem;
import org.jfree.data.xy.XYSeries;
/**
* Tests for the {@link XYSeries} class.
*/
public class XYSeriesTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(XYSeriesTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public XYSeriesTests(String name) {
super(name);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
public void testEquals() {
XYSeries s1 = new XYSeries("Series");
s1.add(1.0, 1.1);
XYSeries s2 = new XYSeries("Series");
s2.add(1.0, 1.1);
assertTrue(s1.equals(s2));
assertTrue(s2.equals(s1));
s1.setKey("Series X");
assertFalse(s1.equals(s2));
s2.setKey("Series X");
assertTrue(s1.equals(s2));
s1.add(2.0, 2.2);
assertFalse(s1.equals(s2));
s2.add(2.0, 2.2);
assertTrue(s1.equals(s2));
}
/**
* Some simple checks for the hashCode() method.
*/
public void testHashCode() {
XYSeries s1 = new XYSeries("Test");
XYSeries s2 = new XYSeries("Test");
assertEquals(s1, s2);
assertEquals(s1.hashCode(), s2.hashCode());
s1.add(1.0, 500.0);
s2.add(1.0, 500.0);
assertEquals(s1, s2);
assertEquals(s1.hashCode(), s2.hashCode());
s1.add(2.0, null);
s2.add(2.0, null);
assertEquals(s1, s2);
assertEquals(s1.hashCode(), s2.hashCode());
s1.add(5.0, 111.0);
s2.add(5.0, 111.0);
assertEquals(s1, s2);
assertEquals(s1.hashCode(), s2.hashCode());
s1.add(9.0, 1.0);
s2.add(9.0, 1.0);
assertEquals(s1, s2);
assertEquals(s1.hashCode(), s2.hashCode());
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
XYSeries s1 = new XYSeries("Series");
s1.add(1.0, 1.1);
XYSeries s2 = null;
try {
s2 = (XYSeries) s1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(s1 != s2);
assertTrue(s1.getClass() == s2.getClass());
assertTrue(s1.equals(s2));
}
/**
* Another test of the clone() method.
*/
public void testCloning2() {
XYSeries s1 = new XYSeries("S1");
s1.add(1.0, 100.0);
s1.add(2.0, null);
s1.add(3.0, 200.0);
XYSeries s2 = null;
try {
s2 = (XYSeries) s1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(s1.equals(s2));
// check independence
s2.add(4.0, 300.0);
assertFalse(s1.equals(s2));
s1.add(4.0, 300.0);
assertTrue(s1.equals(s2));
}
/**
* Another test of the clone() method.
*/
public void testCloning3() {
XYSeries s1 = new XYSeries("S1");
XYSeries s2 = null;
try {
s2 = (XYSeries) s1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(s1.equals(s2));
// check independence
s2.add(4.0, 300.0);
assertFalse(s1.equals(s2));
s1.add(4.0, 300.0);
assertTrue(s1.equals(s2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
XYSeries s1 = new XYSeries("Series");
s1.add(1.0, 1.1);
XYSeries s2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(s1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
s2 = (XYSeries) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(s1, s2);
}
/**
* Simple test for the indexOf() method.
*/
public void testIndexOf() {
XYSeries s1 = new XYSeries("Series 1");
s1.add(1.0, 1.0);
s1.add(2.0, 2.0);
s1.add(3.0, 3.0);
assertEquals(0, s1.indexOf(new Double(1.0)));
assertEquals(1, s1.indexOf(new Double(2.0)));
assertEquals(2, s1.indexOf(new Double(3.0)));
assertEquals(-4, s1.indexOf(new Double(99.9)));
}
/**
* A check for the indexOf() method for an unsorted series.
*/
public void testIndexOf2() {
XYSeries s1 = new XYSeries("Series 1", false, true);
s1.add(1.0, 1.0);
s1.add(3.0, 3.0);
s1.add(2.0, 2.0);
assertEquals(0, s1.indexOf(new Double(1.0)));
assertEquals(1, s1.indexOf(new Double(3.0)));
assertEquals(2, s1.indexOf(new Double(2.0)));
}
/**
* A check for the indexOf(Number) method when the series has duplicate
* x-values.
*/
public void testIndexOf3() {
XYSeries s1 = new XYSeries("Series 1");
s1.add(1.0, 1.0);
s1.add(2.0, 2.0);
s1.add(2.0, 3.0);
assertEquals(0, s1.indexOf(new Double(1.0)));
assertEquals(1, s1.indexOf(new Double(2.0)));
}
/**
* Simple test for the remove() method.
*/
public void testRemove() {
XYSeries s1 = new XYSeries("Series 1");
s1.add(1.0, 1.0);
s1.add(2.0, 2.0);
s1.add(3.0, 3.0);
assertEquals(3, s1.getItemCount());
s1.remove(new Double(2.0));
assertEquals(new Double(3.0), s1.getX(1));
s1.remove(0);
assertEquals(new Double(3.0), s1.getX(0));
}
/**
* Some checks for the remove(int) method.
*/
public void testRemove2() {
XYSeries s1 = new XYSeries("S1");
s1.add(1.0, 1.1);
s1.add(2.0, 2.2);
s1.add(3.0, 3.3);
s1.add(4.0, 4.4);
s1.add(5.0, 5.5);
s1.add(6.0, 6.6);
assertEquals(6, s1.getItemCount());
assertEquals(1.0, s1.getMinX(), EPSILON);
assertEquals(6.0, s1.getMaxX(), EPSILON);
assertEquals(1.1, s1.getMinY(), EPSILON);
assertEquals(6.6, s1.getMaxY(), EPSILON);
s1.remove(5);
assertEquals(5, s1.getItemCount());
assertEquals(1.0, s1.getMinX(), EPSILON);
assertEquals(5.0, s1.getMaxX(), EPSILON);
assertEquals(1.1, s1.getMinY(), EPSILON);
assertEquals(5.5, s1.getMaxY(), EPSILON);
}
private static final double EPSILON = 0.0000000001;
/**
* When items are added with duplicate x-values, we expect them to remain
* in the order they were added.
*/
public void testAdditionOfDuplicateXValues() {
XYSeries s1 = new XYSeries("Series 1");
s1.add(1.0, 1.0);
s1.add(2.0, 2.0);
s1.add(2.0, 3.0);
s1.add(2.0, 4.0);
s1.add(3.0, 5.0);
assertEquals(1.0, s1.getY(0).doubleValue(), EPSILON);
assertEquals(2.0, s1.getY(1).doubleValue(), EPSILON);
assertEquals(3.0, s1.getY(2).doubleValue(), EPSILON);
assertEquals(4.0, s1.getY(3).doubleValue(), EPSILON);
assertEquals(5.0, s1.getY(4).doubleValue(), EPSILON);
}
/**
* Some checks for the update(Number, Number) method.
*/
public void testUpdate() {
XYSeries series = new XYSeries("S1");
series.add(new Integer(1), new Integer(2));
assertEquals(new Integer(2), series.getY(0));
series.update(new Integer(1), new Integer(3));
assertEquals(new Integer(3), series.getY(0));
try {
series.update(new Integer(2), new Integer(99));
assertTrue(false);
}
catch (SeriesException e) {
// got the required exception
}
}
/**
* Some checks for the update() method for an unsorted series.
*/
public void testUpdate2() {
XYSeries series = new XYSeries("Series", false, true);
series.add(5.0, 55.0);
series.add(4.0, 44.0);
series.add(6.0, 66.0);
series.update(new Double(4.0), new Double(99.0));
assertEquals(new Double(99.0), series.getY(1));
}
/**
* Some checks for the addOrUpdate() method.
*/
public void testAddOrUpdate() {
XYSeries series = new XYSeries("S1", true, false);
XYDataItem old = series.addOrUpdate(new Long(1), new Long(2));
assertTrue(old == null);
assertEquals(1, series.getItemCount());
assertEquals(new Long(2), series.getY(0));
old = series.addOrUpdate(new Long(2), new Long(3));
assertTrue(old == null);
assertEquals(2, series.getItemCount());
assertEquals(new Long(3), series.getY(1));
old = series.addOrUpdate(new Long(1), new Long(99));
assertEquals(new XYDataItem(new Long(1), new Long(2)), old);
assertEquals(2, series.getItemCount());
assertEquals(new Long(99), series.getY(0));
assertEquals(new Long(3), series.getY(1));
}
/**
* Some checks for the addOrUpdate() method for an UNSORTED series.
*/
public void testAddOrUpdate2() {
XYSeries series = new XYSeries("Series", false, false);
series.add(5.0, 5.5);
series.add(6.0, 6.6);
series.add(3.0, 3.3);
series.add(4.0, 4.4);
series.add(2.0, 2.2);
series.add(1.0, 1.1);
series.addOrUpdate(new Double(3.0), new Double(33.3));
series.addOrUpdate(new Double(2.0), new Double(22.2));
assertEquals(33.3, series.getY(2).doubleValue(), EPSILON);
assertEquals(22.2, series.getY(4).doubleValue(), EPSILON);
}
/**
* Another test for the addOrUpdate() method.
*/
public void testAddOrUpdate3() {
XYSeries series = new XYSeries("Series", false, true);
series.addOrUpdate(1.0, 1.0);
series.addOrUpdate(1.0, 2.0);
series.addOrUpdate(1.0, 3.0);
assertEquals(new Double(1.0), series.getY(0));
assertEquals(new Double(2.0), series.getY(1));
assertEquals(new Double(3.0), series.getY(2));
assertEquals(3, series.getItemCount());
}
/**
* Some checks for the add() method for an UNSORTED series.
*/
public void testAdd() {
XYSeries series = new XYSeries("Series", false, true);
series.add(5.0, 5.50);
series.add(5.1, 5.51);
series.add(6.0, 6.6);
series.add(3.0, 3.3);
series.add(4.0, 4.4);
series.add(2.0, 2.2);
series.add(1.0, 1.1);
assertEquals(5.5, series.getY(0).doubleValue(), EPSILON);
assertEquals(5.51, series.getY(1).doubleValue(), EPSILON);
assertEquals(6.6, series.getY(2).doubleValue(), EPSILON);
assertEquals(3.3, series.getY(3).doubleValue(), EPSILON);
assertEquals(4.4, series.getY(4).doubleValue(), EPSILON);
assertEquals(2.2, series.getY(5).doubleValue(), EPSILON);
assertEquals(1.1, series.getY(6).doubleValue(), EPSILON);
}
/**
* A simple check that the maximumItemCount attribute is working.
*/
public void testSetMaximumItemCount() {
XYSeries s1 = new XYSeries("S1");
assertEquals(Integer.MAX_VALUE, s1.getMaximumItemCount());
s1.setMaximumItemCount(2);
assertEquals(2, s1.getMaximumItemCount());
s1.add(1.0, 1.1);
s1.add(2.0, 2.2);
s1.add(3.0, 3.3);
assertEquals(2.0, s1.getX(0).doubleValue(), EPSILON);
assertEquals(3.0, s1.getX(1).doubleValue(), EPSILON);
}
/**
* Check that the maximum item count can be applied retrospectively.
*/
public void testSetMaximumItemCount2() {
XYSeries s1 = new XYSeries("S1");
s1.add(1.0, 1.1);
s1.add(2.0, 2.2);
s1.add(3.0, 3.3);
s1.setMaximumItemCount(2);
assertEquals(2.0, s1.getX(0).doubleValue(), EPSILON);
assertEquals(3.0, s1.getX(1).doubleValue(), EPSILON);
}
/**
* Check that the item bounds are determined correctly when there is a
* maximum item count.
*/
public void testSetMaximumItemCount3() {
XYSeries s1 = new XYSeries("S1");
s1.add(1.0, 1.1);
s1.add(2.0, 2.2);
s1.add(3.0, 3.3);
s1.add(4.0, 4.4);
s1.add(5.0, 5.5);
s1.add(6.0, 6.6);
s1.setMaximumItemCount(2);
assertEquals(5.0, s1.getX(0).doubleValue(), EPSILON);
assertEquals(6.0, s1.getX(1).doubleValue(), EPSILON);
assertEquals(5.0, s1.getMinX(), EPSILON);
assertEquals(6.0, s1.getMaxX(), EPSILON);
assertEquals(5.5, s1.getMinY(), EPSILON);
assertEquals(6.6, s1.getMaxY(), EPSILON);
}
/**
* Check that the item bounds are determined correctly when there is a
* maximum item count.
*/
public void testSetMaximumItemCount4() {
XYSeries s1 = new XYSeries("S1");
s1.setMaximumItemCount(2);
s1.add(1.0, 1.1);
s1.add(2.0, 2.2);
s1.add(3.0, 3.3);
assertEquals(2.0, s1.getX(0).doubleValue(), EPSILON);
assertEquals(3.0, s1.getX(1).doubleValue(), EPSILON);
assertEquals(2.0, s1.getMinX(), EPSILON);
assertEquals(3.0, s1.getMaxX(), EPSILON);
assertEquals(2.2, s1.getMinY(), EPSILON);
assertEquals(3.3, s1.getMaxY(), EPSILON);
}
/**
* Some checks for the toArray() method.
*/
public void testToArray() {
XYSeries s = new XYSeries("S1");
double[][] array = s.toArray();
assertEquals(2, array.length);
assertEquals(0, array[0].length);
assertEquals(0, array[1].length);
s.add(1.0, 2.0);
array = s.toArray();
assertEquals(1, array[0].length);
assertEquals(1, array[1].length);
assertEquals(2, array.length);
assertEquals(1.0, array[0][0], EPSILON);
assertEquals(2.0, array[1][0], EPSILON);
s.add(2.0, null);
array = s.toArray();
assertEquals(2, array.length);
assertEquals(2, array[0].length);
assertEquals(2, array[1].length);
assertEquals(2.0, array[0][1], EPSILON);
assertTrue(Double.isNaN(array[1][1]));
}
/**
* Some checks for an example using the toArray() method.
*/
public void testToArrayExample() {
XYSeries s = new XYSeries("S");
s.add(1.0, 11.0);
s.add(2.0, 22.0);
s.add(3.5, 35.0);
s.add(5.0, null);
DefaultXYDataset dataset = new DefaultXYDataset();
dataset.addSeries("S", s.toArray());
assertEquals(1, dataset.getSeriesCount());
assertEquals(4, dataset.getItemCount(0));
assertEquals("S", dataset.getSeriesKey(0));
assertEquals(1.0, dataset.getXValue(0, 0), EPSILON);
assertEquals(2.0, dataset.getXValue(0, 1), EPSILON);
assertEquals(3.5, dataset.getXValue(0, 2), EPSILON);
assertEquals(5.0, dataset.getXValue(0, 3), EPSILON);
assertEquals(11.0, dataset.getYValue(0, 0), EPSILON);
assertEquals(22.0, dataset.getYValue(0, 1), EPSILON);
assertEquals(35.0, dataset.getYValue(0, 2), EPSILON);
assertTrue(Double.isNaN(dataset.getYValue(0, 3)));
}
/**
* Another test for the addOrUpdate() method.
*/
public void testBug1955483() {
XYSeries series = new XYSeries("Series", true, true);
series.addOrUpdate(1.0, 1.0);
series.addOrUpdate(1.0, 2.0);
assertEquals(new Double(1.0), series.getY(0));
assertEquals(new Double(2.0), series.getY(1));
assertEquals(2, series.getItemCount());
}
/**
* Some checks for the delete(int, int) method.
*/
public void testDelete() {
XYSeries s1 = new XYSeries("S1");
s1.add(1.0, 1.1);
s1.add(2.0, 2.2);
s1.add(3.0, 3.3);
s1.add(4.0, 4.4);
s1.add(5.0, 5.5);
s1.add(6.0, 6.6);
s1.delete(2, 5);
assertEquals(2, s1.getItemCount());
assertEquals(1.0, s1.getX(0).doubleValue(), EPSILON);
assertEquals(2.0, s1.getX(1).doubleValue(), EPSILON);
assertEquals(1.0, s1.getMinX(), EPSILON);
assertEquals(2.0, s1.getMaxX(), EPSILON);
assertEquals(1.1, s1.getMinY(), EPSILON);
assertEquals(2.2, s1.getMaxY(), EPSILON);
}
/**
* Some checks for the getMinX() method.
*/
public void testGetMinX() {
XYSeries s1 = new XYSeries("S1");
assertTrue(Double.isNaN(s1.getMinX()));
s1.add(1.0, 1.1);
assertEquals(1.0, s1.getMinX(), EPSILON);
s1.add(2.0, 2.2);
assertEquals(1.0, s1.getMinX(), EPSILON);
s1.add(Double.NaN, 99.9);
assertEquals(1.0, s1.getMinX(), EPSILON);
s1.add(-1.0, -1.1);
assertEquals(-1.0, s1.getMinX(), EPSILON);
s1.add(0.0, null);
assertEquals(-1.0, s1.getMinX(), EPSILON);
}
/**
* Some checks for the getMaxX() method.
*/
public void testGetMaxX() {
XYSeries s1 = new XYSeries("S1");
assertTrue(Double.isNaN(s1.getMaxX()));
s1.add(1.0, 1.1);
assertEquals(1.0, s1.getMaxX(), EPSILON);
s1.add(2.0, 2.2);
assertEquals(2.0, s1.getMaxX(), EPSILON);
s1.add(Double.NaN, 99.9);
assertEquals(2.0, s1.getMaxX(), EPSILON);
s1.add(-1.0, -1.1);
assertEquals(2.0, s1.getMaxX(), EPSILON);
s1.add(0.0, null);
assertEquals(2.0, s1.getMaxX(), EPSILON);
}
/**
* Some checks for the getMinY() method.
*/
public void testGetMinY() {
XYSeries s1 = new XYSeries("S1");
assertTrue(Double.isNaN(s1.getMinY()));
s1.add(1.0, 1.1);
assertEquals(1.1, s1.getMinY(), EPSILON);
s1.add(2.0, 2.2);
assertEquals(1.1, s1.getMinY(), EPSILON);
s1.add(Double.NaN, 99.9);
assertEquals(1.1, s1.getMinY(), EPSILON);
s1.add(-1.0, -1.1);
assertEquals(-1.1, s1.getMinY(), EPSILON);
s1.add(0.0, null);
assertEquals(-1.1, s1.getMinY(), EPSILON);
}
/**
* Some checks for the getMaxY() method.
*/
public void testGetMaxY() {
XYSeries s1 = new XYSeries("S1");
assertTrue(Double.isNaN(s1.getMaxY()));
s1.add(1.0, 1.1);
assertEquals(1.1, s1.getMaxY(), EPSILON);
s1.add(2.0, 2.2);
assertEquals(2.2, s1.getMaxY(), EPSILON);
s1.add(Double.NaN, 99.9);
assertEquals(99.9, s1.getMaxY(), EPSILON);
s1.add(-1.0, -1.1);
assertEquals(99.9, s1.getMaxY(), EPSILON);
s1.add(0.0, null);
assertEquals(99.9, s1.getMaxY(), EPSILON);
}
/**
* A test for the clear method.
*/
public void testClear() {
XYSeries s1 = new XYSeries("S1");
s1.add(1.0, 1.1);
s1.add(2.0, 2.2);
s1.add(3.0, 3.3);
assertEquals(3, s1.getItemCount());
s1.clear();
assertEquals(0, s1.getItemCount());
assertTrue(Double.isNaN(s1.getMinX()));
assertTrue(Double.isNaN(s1.getMaxX()));
assertTrue(Double.isNaN(s1.getMinY()));
assertTrue(Double.isNaN(s1.getMaxY()));
}
/**
* Some checks for the updateByIndex() method.
*/
public void testUpdateByIndex() {
XYSeries s1 = new XYSeries("S1");
s1.add(1.0, 1.1);
s1.add(2.0, 2.2);
s1.add(3.0, 3.3);
assertEquals(1.1, s1.getMinY(), EPSILON);
assertEquals(3.3, s1.getMaxY(), EPSILON);
s1.updateByIndex(0, new Double(-5.0));
assertEquals(-5.0, s1.getMinY(), EPSILON);
assertEquals(3.3, s1.getMaxY(), EPSILON);
s1.updateByIndex(0, null);
assertEquals(2.2, s1.getMinY(), EPSILON);
assertEquals(3.3, s1.getMaxY(), EPSILON);
s1.updateByIndex(2, null);
assertEquals(2.2, s1.getMinY(), EPSILON);
assertEquals(2.2, s1.getMaxY(), EPSILON);
s1.updateByIndex(1, null);
assertTrue(Double.isNaN(s1.getMinY()));
assertTrue(Double.isNaN(s1.getMaxY()));
}
/**
* Some checks for the updateByIndex() method.
*/
public void testUpdateByIndex2() {
XYSeries s1 = new XYSeries("S1");
s1.add(1.0, Double.NaN);
assertTrue(Double.isNaN(s1.getMinY()));
assertTrue(Double.isNaN(s1.getMaxY()));
s1.updateByIndex(0, new Double(1.0));
assertEquals(1.0, s1.getMinY(), EPSILON);
assertEquals(1.0, s1.getMaxY(), EPSILON);
s1.updateByIndex(0, new Double(2.0));
assertEquals(2.0, s1.getMinY(), EPSILON);
assertEquals(2.0, s1.getMaxY(), EPSILON);
s1.add(-1.0, -1.0);
s1.updateByIndex(0, new Double(0.0));
assertEquals(0.0, s1.getMinY(), EPSILON);
assertEquals(2.0, s1.getMaxY(), EPSILON);
}
/**
* Some checks for the updateByIndex() method.
*/
public void testUpdateByIndex3() {
XYSeries s1 = new XYSeries("S1");
s1.add(1.0, 1.1);
s1.add(2.0, 2.2);
s1.add(3.0, 3.3);
s1.updateByIndex(1, new Double(2.05));
assertEquals(1.1, s1.getMinY(), EPSILON);
assertEquals(3.3, s1.getMaxY(), EPSILON);
}
/**
* Some checks for the update(Number, Number) method.
*/
public void testUpdateXY() {
XYSeries s1 = new XYSeries("S1");
s1.add(1.0, Double.NaN);
assertTrue(Double.isNaN(s1.getMinY()));
assertTrue(Double.isNaN(s1.getMaxY()));
s1.update(new Double(1.0), new Double(1.0));
assertEquals(1.0, s1.getMinY(), EPSILON);
assertEquals(1.0, s1.getMaxY(), EPSILON);
s1.update(new Double(1.0), new Double(2.0));
assertEquals(2.0, s1.getMinY(), EPSILON);
assertEquals(2.0, s1.getMaxY(), EPSILON);
}
}