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/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2013, 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.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* ----------------------
* DataUtilitiesTest.java
* ----------------------
* (C) Copyright 2005-2013, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 03-Mar-2005 : Version 1 (DG);
* 28-Jan-2009 : Added tests for equal(double[][], double[][]) method (DG);
* 28-Jan-2009 : Added tests for clone(double[][]) (DG);
* 04-Feb-2009 : Added tests for new calculateColumnTotal/RowTotal methods (DG);
*
*/
package org.jfree.data;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
import org.junit.Test;
/**
* Some tests for the {@link DataUtilities} class.
*/
public class DataUtilitiesTest {
/**
* Tests the createNumberArray2D() method.
*/
@Test
public void testCreateNumberArray2D() {
double[][] d = new double[2][];
d[0] = new double[] {1.1, 2.2, 3.3, 4.4};
d[1] = new double[] {1.1, 2.2, 3.3, 4.4, 5.5};
Number[][] n = DataUtilities.createNumberArray2D(d);
assertEquals(2, n.length);
assertEquals(4, n[0].length);
assertEquals(5, n[1].length);
}
private static final double EPSILON = 0.000000001;
/**
* Some checks for the calculateColumnTotal() method.
*/
@Test
public void testCalculateColumnTotal() {
DefaultKeyedValues2D table = new DefaultKeyedValues2D();
table.addValue(new Double(1.0), "R0", "C0");
table.addValue(new Double(2.0), "R0", "C1");
table.addValue(new Double(3.0), "R1", "C0");
table.addValue(new Double(4.0), "R1", "C1");
assertEquals(4.0, DataUtilities.calculateColumnTotal(table, 0), EPSILON);
assertEquals(6.0, DataUtilities.calculateColumnTotal(table, 1), EPSILON);
table.setValue(null, "R1", "C1");
assertEquals(2.0, DataUtilities.calculateColumnTotal(table, 1), EPSILON);
}
/**
* Some checks for the calculateColumnTotal() method.
*/
@Test
public void testCalculateColumnTotal2() {
DefaultKeyedValues2D table = new DefaultKeyedValues2D();
table.addValue(new Double(1.0), "R0", "C0");
table.addValue(new Double(2.0), "R0", "C1");
table.addValue(new Double(3.0), "R1", "C0");
table.addValue(new Double(4.0), "R1", "C1");
assertEquals(4.0, DataUtilities.calculateColumnTotal(table, 0,
new int[] {0, 1}), EPSILON);
assertEquals(1.0, DataUtilities.calculateColumnTotal(table, 0,
new int[] {0}), EPSILON);
assertEquals(3.0, DataUtilities.calculateColumnTotal(table, 0,
new int[] {1}), EPSILON);
assertEquals(0.0, DataUtilities.calculateColumnTotal(table, 0,
new int[] {}), EPSILON);
assertEquals(6.0, DataUtilities.calculateColumnTotal(table, 1,
new int[] {0, 1}), EPSILON);
assertEquals(2.0, DataUtilities.calculateColumnTotal(table, 1,
new int[] {0}), EPSILON);
assertEquals(4.0, DataUtilities.calculateColumnTotal(table, 1,
new int[] {1}), EPSILON);
table.setValue(null, "R1", "C1");
assertEquals(2.0, DataUtilities.calculateColumnTotal(table, 1,
new int[] {0, 1}), EPSILON);
assertEquals(0.0, DataUtilities.calculateColumnTotal(table, 1,
new int[] {1}), EPSILON);
}
/**
* Some checks for the calculateRowTotal() method.
*/
@Test
public void testCalculateRowTotal() {
DefaultKeyedValues2D table = new DefaultKeyedValues2D();
table.addValue(new Double(1.0), "R0", "C0");
table.addValue(new Double(2.0), "R0", "C1");
table.addValue(new Double(3.0), "R1", "C0");
table.addValue(new Double(4.0), "R1", "C1");
assertEquals(3.0, DataUtilities.calculateRowTotal(table, 0), EPSILON);
assertEquals(7.0, DataUtilities.calculateRowTotal(table, 1), EPSILON);
table.setValue(null, "R1", "C1");
assertEquals(3.0, DataUtilities.calculateRowTotal(table, 1), EPSILON);
}
/**
* Some checks for the calculateRowTotal() method.
*/
@Test
public void testCalculateRowTotal2() {
DefaultKeyedValues2D table = new DefaultKeyedValues2D();
table.addValue(new Double(1.0), "R0", "C0");
table.addValue(new Double(2.0), "R0", "C1");
table.addValue(new Double(3.0), "R1", "C0");
table.addValue(new Double(4.0), "R1", "C1");
assertEquals(3.0, DataUtilities.calculateRowTotal(table, 0,
new int[] {0, 1}), EPSILON);
assertEquals(1.0, DataUtilities.calculateRowTotal(table, 0,
new int[] {0}), EPSILON);
assertEquals(2.0, DataUtilities.calculateRowTotal(table, 0,
new int[] {1}), EPSILON);
assertEquals(0.0, DataUtilities.calculateRowTotal(table, 0,
new int[] {}), EPSILON);
assertEquals(7.0, DataUtilities.calculateRowTotal(table, 1,
new int[] {0, 1}), EPSILON);
assertEquals(3.0, DataUtilities.calculateRowTotal(table, 1,
new int[] {0}), EPSILON);
assertEquals(4.0, DataUtilities.calculateRowTotal(table, 1,
new int[] {1}), EPSILON);
assertEquals(0.0, DataUtilities.calculateRowTotal(table, 1,
new int[] {}), EPSILON);
table.setValue(null, "R1", "C1");
assertEquals(3.0, DataUtilities.calculateRowTotal(table, 1,
new int[] {0, 1}), EPSILON);
assertEquals(0.0, DataUtilities.calculateRowTotal(table, 1,
new int[] {1}), EPSILON);
}
/**
* Some tests for the equal(double[][], double[][]) method.
*/
@Test
public void testEqual() {
assertTrue(DataUtilities.equal(null, null));
double[][] a = new double[5][];
double[][] b = new double[5][];
assertTrue(DataUtilities.equal(a, b));
a = new double[4][];
assertFalse(DataUtilities.equal(a, b));
b = new double[4][];
assertTrue(DataUtilities.equal(a, b));
a[0] = new double[6];
assertFalse(DataUtilities.equal(a, b));
b[0] = new double[6];
assertTrue(DataUtilities.equal(a, b));
a[0][0] = 1.0;
assertFalse(DataUtilities.equal(a, b));
b[0][0] = 1.0;
assertTrue(DataUtilities.equal(a, b));
a[0][1] = Double.NaN;
assertFalse(DataUtilities.equal(a, b));
b[0][1] = Double.NaN;
assertTrue(DataUtilities.equal(a, b));
a[0][2] = Double.NEGATIVE_INFINITY;
assertFalse(DataUtilities.equal(a, b));
b[0][2] = Double.NEGATIVE_INFINITY;
assertTrue(DataUtilities.equal(a, b));
a[0][3] = Double.POSITIVE_INFINITY;
assertFalse(DataUtilities.equal(a, b));
b[0][3] = Double.POSITIVE_INFINITY;
assertTrue(DataUtilities.equal(a, b));
a[0][4] = Double.POSITIVE_INFINITY;
assertFalse(DataUtilities.equal(a, b));
b[0][4] = Double.NEGATIVE_INFINITY;
assertFalse(DataUtilities.equal(a, b));
b[0][4] = Double.POSITIVE_INFINITY;
assertTrue(DataUtilities.equal(a, b));
}
/**
* Some tests for the clone() method.
*/
@Test
public void testClone() {
double[][] a = new double[1][];
double[][] b = DataUtilities.clone(a);
assertTrue(DataUtilities.equal(a, b));
a[0] = new double[] { 3.0, 4.0 };
assertFalse(DataUtilities.equal(a, b));
b[0] = new double[] { 3.0, 4.0 };
assertTrue(DataUtilities.equal(a, b));
a = new double[2][3];
a[0][0] = 1.23;
a[1][1] = Double.NaN;
b = DataUtilities.clone(a);
assertTrue(DataUtilities.equal(a, b));
a[0][0] = 99.9;
assertFalse(DataUtilities.equal(a, b));
b[0][0] = 99.9;
assertTrue(DataUtilities.equal(a, b));
}
}
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