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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.]
- *
- * -----------------------
- * TextAnnotationTest.java
- * -----------------------
- * (C) Copyright 2003-2013, by Object Refinery Limited and Contributors.
- *
- * Original Author: David Gilbert (for Object Refinery Limited);
- * Contributor(s): Martin Hoeller;
- *
- * Changes
- * -------
- * 19-Aug-2003 : Version 1 (DG);
- * 07-Jan-2005 : Added testHashCode() method (DG);
- * 28-Oct-2011 : Added testSetRotationAnchor() method for bug #3428870 (MH);
- * 01-Jul-2013 : Added testChangeEvents() (DG);
- *
- */
- package org.jfree.chart.annotations;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertTrue;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.fail;
- import static org.junit.Assert.assertNotNull;
- import java.awt.Color;
- import java.awt.Font;
- import java.awt.GradientPaint;
- import org.jfree.chart.event.AnnotationChangeEvent;
- import org.jfree.chart.event.AnnotationChangeListener;
- import org.jfree.ui.TextAnchor;
- import org.junit.Test;
- /**
- * Tests for the {@link TextAnnotation} class.
- */
- public class TextAnnotationTest implements AnnotationChangeListener {
- /**
- * Confirm that the equals method can distinguish all the required fields.
- */
- @Test
- public void testEquals() {
- TextAnnotation a1 = new CategoryTextAnnotation("Test", "Category", 1.0);
- TextAnnotation a2 = new CategoryTextAnnotation("Test", "Category", 1.0);
- assertTrue(a1.equals(a2));
- // text
- a1.setText("Text");
- assertFalse(a1.equals(a2));
- a2.setText("Text");
- assertTrue(a1.equals(a2));
- // font
- a1.setFont(new Font("Serif", Font.BOLD, 18));
- assertFalse(a1.equals(a2));
- a2.setFont(new Font("Serif", Font.BOLD, 18));
- assertTrue(a1.equals(a2));
- // paint
- a1.setPaint(new GradientPaint(1.0f, 2.0f, Color.red,
- 3.0f, 4.0f, Color.pink));
- assertFalse(a1.equals(a2));
- a2.setPaint(new GradientPaint(1.0f, 2.0f, Color.red,
- 3.0f, 4.0f, Color.pink));
- assertTrue(a1.equals(a2));
- // textAnchor
- a1.setTextAnchor(TextAnchor.BOTTOM_LEFT);
- assertFalse(a1.equals(a2));
- a2.setTextAnchor(TextAnchor.BOTTOM_LEFT);
- assertTrue(a1.equals(a2));
- // rotationAnchor
- a1.setRotationAnchor(TextAnchor.BOTTOM_LEFT);
- assertFalse(a1.equals(a2));
- a2.setRotationAnchor(TextAnchor.BOTTOM_LEFT);
- assertTrue(a1.equals(a2));
- // rotationAngle
- a1.setRotationAngle(Math.PI);
- assertFalse(a1.equals(a2));
- a2.setRotationAngle(Math.PI);
- assertTrue(a1.equals(a2));
- }
- /**
- * Two objects that are equal are required to return the same hashCode.
- */
- @Test
- public void testHashCode() {
- TextAnnotation a1 = new CategoryTextAnnotation("Test", "Category", 1.0);
- TextAnnotation a2 = new CategoryTextAnnotation("Test", "Category", 1.0);
- assertTrue(a1.equals(a2));
- int h1 = a1.hashCode();
- int h2 = a2.hashCode();
- assertEquals(h1, h2);
- }
- /**
- * Test null-argument (Bug #3428870).
- */
- @Test
- public void testSetRotationAnchor() {
- TextAnnotation a = new CategoryTextAnnotation("Test", "Category", 1.0);
- try {
- a.setRotationAnchor(null);
- fail("Should have thrown Exception.");
- } catch (IllegalArgumentException e) {
- // ok, exception is expected
- }
- }
-
- /**
- * Some tests to ensure that change events are generated as expected.
- */
- @Test
- public void testChangeEvents() {
- TextAnnotation a = new CategoryTextAnnotation("Test", "A", 1.0);
- a.addChangeListener(this);
- this.lastEvent = null;
- a.setText("B");
- assertNotNull(this.lastEvent);
- this.lastEvent = null;
- a.setText("B");
- assertNotNull(this.lastEvent);
-
- this.lastEvent = null;
- a.setFont(new Font("SansSerif", Font.PLAIN, 12));
- assertNotNull(this.lastEvent);
- this.lastEvent = null;
- a.setPaint(Color.BLUE);
- assertNotNull(this.lastEvent);
-
- this.lastEvent = null;
- a.setTextAnchor(TextAnchor.CENTER_LEFT);
- assertNotNull(this.lastEvent);
-
- this.lastEvent = null;
- a.setRotationAnchor(TextAnchor.CENTER_LEFT);
- assertNotNull(this.lastEvent);
- this.lastEvent = null;
- a.setRotationAngle(123.4);
- assertNotNull(this.lastEvent);
- }
- private AnnotationChangeEvent lastEvent;
-
- /**
- * Receives notification of a change to an annotation.
- *
- * @param event the event.
- */
- @Override
- public void annotationChanged(AnnotationChangeEvent event) {
- this.lastEvent = event;
- }
-
- }
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