/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2014, 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.]
*
* -----------------------
* LegendGraphicTests.java
* -----------------------
* (C) Copyright 2005-2014, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 01-Sep-2005 : Version 1 (DG);
* 17-Jun-2012 : Removed JCommon dependencies (DG);
*
*/
package org.jfree.chart.title;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
import org.junit.Test;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Rectangle;
import java.awt.Stroke;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
import org.jfree.chart.TestUtils;
import org.jfree.chart.ui.GradientPaintTransformType;
import org.jfree.chart.ui.RectangleAnchor;
import org.jfree.chart.ui.StandardGradientPaintTransformer;
/**
* Tests for the {@link LegendGraphic} class.
*/
public class LegendGraphicTest {
/**
* Check that the equals() method distinguishes all fields.
*/
@Test
public void testEquals() {
LegendGraphic g1 = new LegendGraphic(new Rectangle2D.Double(1.0, 2.0,
3.0, 4.0), Color.BLACK);
LegendGraphic g2 = new LegendGraphic(new Rectangle2D.Double(1.0, 2.0,
3.0, 4.0), Color.BLACK);
assertEquals(g1, g2);
assertEquals(g2, g1);
// shapeVisible
g1.setShapeVisible(!g1.isShapeVisible());
assertFalse(g1.equals(g2));
g2.setShapeVisible(!g2.isShapeVisible());
assertEquals(g1, g2);
// shape
g1.setShape(new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0));
assertFalse(g1.equals(g2));
g2.setShape(new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0));
assertEquals(g1, g2);
// shapeFilled
g1.setShapeFilled(!g1.isShapeFilled());
assertFalse(g1.equals(g2));
g2.setShapeFilled(!g2.isShapeFilled());
assertEquals(g1, g2);
// fillPaint
g1.setFillPaint(Color.green);
assertFalse(g1.equals(g2));
g2.setFillPaint(Color.green);
assertEquals(g1, g2);
// shapeOutlineVisible
g1.setShapeOutlineVisible(!g1.isShapeOutlineVisible());
assertFalse(g1.equals(g2));
g2.setShapeOutlineVisible(!g2.isShapeOutlineVisible());
assertEquals(g1, g2);
// outlinePaint
g1.setOutlinePaint(Color.green);
assertFalse(g1.equals(g2));
g2.setOutlinePaint(Color.green);
assertEquals(g1, g2);
// outlineStroke
g1.setOutlineStroke(new BasicStroke(1.23f));
assertFalse(g1.equals(g2));
g2.setOutlineStroke(new BasicStroke(1.23f));
assertEquals(g1, g2);
// shapeAnchor
g1.setShapeAnchor(RectangleAnchor.BOTTOM_RIGHT);
assertFalse(g1.equals(g2));
g2.setShapeAnchor(RectangleAnchor.BOTTOM_RIGHT);
assertEquals(g1, g2);
// shapeLocation
g1.setShapeLocation(RectangleAnchor.BOTTOM_RIGHT);
assertFalse(g1.equals(g2));
g2.setShapeLocation(RectangleAnchor.BOTTOM_RIGHT);
assertEquals(g1, g2);
// lineVisible
g1.setLineVisible(!g1.isLineVisible());
assertFalse(g1.equals(g2));
g2.setLineVisible(!g2.isLineVisible());
assertEquals(g1, g2);
// line
g1.setLine(new Line2D.Double(1.0, 2.0, 3.0, 4.0));
assertFalse(g1.equals(g2));
g2.setLine(new Line2D.Double(1.0, 2.0, 3.0, 4.0));
assertEquals(g1, g2);
// linePaint
g1.setLinePaint(Color.green);
assertFalse(g1.equals(g2));
g2.setLinePaint(Color.green);
assertEquals(g1, g2);
// lineStroke
g1.setLineStroke(new BasicStroke(1.23f));
assertFalse(g1.equals(g2));
g2.setLineStroke(new BasicStroke(1.23f));
assertEquals(g1, g2);
// fillPaintTransformer
g1.setFillPaintTransformer(new StandardGradientPaintTransformer(
GradientPaintTransformType.CENTER_HORIZONTAL));
assertFalse(g1.equals(g2));
g2.setFillPaintTransformer(new StandardGradientPaintTransformer(
GradientPaintTransformType.CENTER_HORIZONTAL));
assertEquals(g1, g2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
LegendGraphic g1 = new LegendGraphic(new Rectangle2D.Double(1.0, 2.0,
3.0, 4.0), Color.BLACK);
LegendGraphic g2 = new LegendGraphic(new Rectangle2D.Double(1.0, 2.0,
3.0, 4.0), Color.BLACK);
assertEquals(g1, g2);
int h1 = g1.hashCode();
int h2 = g2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
Rectangle r = new Rectangle(1, 2, 3, 4);
LegendGraphic g1 = new LegendGraphic(r, Color.BLACK);
LegendGraphic g2 = (LegendGraphic) g1.clone();
assertNotSame(g1, g2);
assertSame(g1.getClass(), g2.getClass());
assertEquals(g1, g2);
// check independence
r.setBounds(4, 3, 2, 1);
assertFalse(g1.equals(g2));
}
/**
* A test for cloning - checks that the line shape is cloned correctly.
*/
@Test
public void testCloning2() throws CloneNotSupportedException {
Rectangle r = new Rectangle(1, 2, 3, 4);
LegendGraphic g1 = new LegendGraphic(r, Color.BLACK);
Line2D l = new Line2D.Double(1.0, 2.0, 3.0, 4.0);
g1.setLine(l);
LegendGraphic g2 = (LegendGraphic) g1.clone();
assertNotSame(g1, g2);
assertSame(g1.getClass(), g2.getClass());
assertEquals(g1, g2);
// check independence
l.setLine(4.0, 3.0, 2.0, 1.0);
assertFalse(g1.equals(g2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() {
Stroke s = new BasicStroke(1.23f);
LegendGraphic g1 = new LegendGraphic(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), Color.BLACK);
g1.setOutlineStroke(s);
LegendGraphic g2 = (LegendGraphic) TestUtils.serialised(g1);
assertEquals(g1, g2);
}
}