/* ===========================================================
* 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.]
*
* -------------------------------------
* PieDatasetSelectionExtensionTest.java
* -------------------------------------
* (C) Copyright 2013, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 18-Sep-2013 : Version 1 (DG);
*
*/
package org.jfree.data.extension;
import org.jfree.data.UnknownKeyException;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.jfree.data.extension.impl.PieCursor;
import org.jfree.data.extension.impl.PieDatasetSelectionExtension;
import org.jfree.data.general.DefaultPieDataset;
import static org.junit.Assert.fail;
import org.junit.Test;
/**
* Some tests for the {@link PieDatasetSelectionExtension} class.
*/
public class PieDatasetSelectionExtensionTest {
@Test
public void testGeneral() {
DefaultPieDataset dataset = new DefaultPieDataset();
dataset.setValue("A", 1.0);
dataset.setValue("B", 2.0);
dataset.setValue("C", 3.0);
PieDatasetSelectionExtension<String> ext = new
PieDatasetSelectionExtension<String>(dataset);
PieCursor cursor = new PieCursor("B");
assertFalse(ext.isSelected(cursor));
ext.setSelected(cursor, true);
assertTrue(ext.isSelected(cursor));
cursor.setPosition("A");
assertFalse(ext.isSelected(cursor));
dataset.remove("B");
assertFalse(ext.isSelected(cursor));
cursor.setPosition("B");
// fetching the value for a key that does not exist
try {
ext.isSelected(cursor);
fail("Expected an UnknownKeyException.");
} catch (UnknownKeyException e) {
// expected in this case
}
}
}