/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2011, 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.]
*
* -------------------------
* GridArrangementTests.java
* -------------------------
* (C) Copyright 2005-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 08-Mar-2005 : Version 1 (DG);
* 03-Dec-2008 : Added more tests (DG);
*
*/
package org.jfree.chart.block.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.chart.block.Block;
import org.jfree.chart.block.BlockContainer;
import org.jfree.chart.block.EmptyBlock;
import org.jfree.chart.block.GridArrangement;
import org.jfree.chart.block.LengthConstraintType;
import org.jfree.chart.block.RectangleConstraint;
import org.jfree.data.Range;
import org.jfree.ui.Size2D;
/**
* Tests for the {@link GridArrangement} class.
*/
public class GridArrangementTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(GridArrangementTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public GridArrangementTests(String name) {
super(name);
}
/**
* Confirm that the equals() method can distinguish all the required fields.
*/
public void testEquals() {
GridArrangement f1 = new GridArrangement(11, 22);
GridArrangement f2 = new GridArrangement(11, 22);
assertTrue(f1.equals(f2));
assertTrue(f2.equals(f1));
f1 = new GridArrangement(33, 22);
assertFalse(f1.equals(f2));
f2 = new GridArrangement(33, 22);
assertTrue(f1.equals(f2));
f1 = new GridArrangement(33, 44);
assertFalse(f1.equals(f2));
f2 = new GridArrangement(33, 44);
assertTrue(f1.equals(f2));
}
/**
* Immutable - cloning is not necessary.
*/
public void testCloning() {
GridArrangement f1 = new GridArrangement(1, 2);
assertFalse(f1 instanceof Cloneable);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
GridArrangement f1 = new GridArrangement(33, 44);
GridArrangement f2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(f1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
buffer.toByteArray()));
f2 = (GridArrangement) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(f1, f2);
}
private static final double EPSILON = 0.000000001;
/**
* Test arrangement with no constraints.
*/
public void testNN() {
BlockContainer c = createTestContainer1();
Size2D s = c.arrange(null, RectangleConstraint.NONE);
assertEquals(90.0, s.width, EPSILON);
assertEquals(33.0, s.height, EPSILON);
}
/**
* Test arrangement with a fixed width and no height constraint.
*/
public void testFN() {
BlockContainer c = createTestContainer1();
RectangleConstraint constraint = new RectangleConstraint(100.0, null,
LengthConstraintType.FIXED, 0.0, null,
LengthConstraintType.NONE);
Size2D s = c.arrange(null, constraint);
assertEquals(100.0, s.width, EPSILON);
assertEquals(33.0, s.height, EPSILON);
}
/**
* Test arrangement with a fixed height and no width constraint.
*/
public void testNF() {
BlockContainer c = createTestContainer1();
RectangleConstraint constraint = RectangleConstraint.NONE.toFixedHeight(
100.0);
Size2D s = c.arrange(null, constraint);
assertEquals(90.0, s.width, EPSILON);
assertEquals(100.0, s.height, EPSILON);
}
/**
* Test arrangement with a range for the width and a fixed height.
*/
public void testRF() {
BlockContainer c = createTestContainer1();
RectangleConstraint constraint = new RectangleConstraint(new Range(40.0,
60.0), 100.0);
Size2D s = c.arrange(null, constraint);
assertEquals(60.0, s.width, EPSILON);
assertEquals(100.0, s.height, EPSILON);
}
/**
* Test arrangement with a range for the width and height.
*/
public void testRR() {
BlockContainer c = createTestContainer1();
RectangleConstraint constraint = new RectangleConstraint(new Range(40.0,
60.0), new Range(50.0, 70.0));
Size2D s = c.arrange(null, constraint);
assertEquals(60.0, s.width, EPSILON);
assertEquals(50.0, s.height, EPSILON);
}
/**
* Test arrangement with a range for the width and no height constraint.
*/
public void testRN() {
BlockContainer c = createTestContainer1();
RectangleConstraint constraint = RectangleConstraint.NONE.toRangeWidth(
new Range(40.0, 60.0));
Size2D s = c.arrange(null, constraint);
assertEquals(60.0, s.width, EPSILON);
assertEquals(33.0, s.height, EPSILON);
}
/**
* Test arrangement with a range for the height and no width constraint.
*/
public void testNR() {
BlockContainer c = createTestContainer1();
RectangleConstraint constraint = RectangleConstraint.NONE.toRangeHeight(
new Range(40.0, 60.0));
Size2D s = c.arrange(null, constraint);
assertEquals(90.0, s.width, EPSILON);
assertEquals(40.0, s.height, EPSILON);
}
private BlockContainer createTestContainer1() {
Block b1 = new EmptyBlock(10, 11);
Block b2 = new EmptyBlock(20, 22);
Block b3 = new EmptyBlock(30, 33);
BlockContainer result = new BlockContainer(new GridArrangement(1, 3));
result.add(b1);
result.add(b2);
result.add(b3);
return result;
}
/**
* The arrangement should be able to handle null blocks in the layout.
*/
public void testNullBlock_FF() {
BlockContainer c = new BlockContainer(new GridArrangement(1, 1));
c.add(null);
Size2D s = c.arrange(null, new RectangleConstraint(20, 10));
assertEquals(20.0, s.getWidth(), EPSILON);
assertEquals(10.0, s.getHeight(), EPSILON);
}
/**
* The arrangement should be able to handle null blocks in the layout.
*/
public void testNullBlock_FN() {
BlockContainer c = new BlockContainer(new GridArrangement(1, 1));
c.add(null);
Size2D s = c.arrange(null, RectangleConstraint.NONE.toFixedWidth(10));
assertEquals(10.0, s.getWidth(), EPSILON);
assertEquals(0.0, s.getHeight(), EPSILON);
}
/**
* The arrangement should be able to handle null blocks in the layout.
*/
public void testNullBlock_FR() {
BlockContainer c = new BlockContainer(new GridArrangement(1, 1));
c.add(null);
Size2D s = c.arrange(null, new RectangleConstraint(30.0, new Range(5.0,
10.0)));
assertEquals(30.0, s.getWidth(), EPSILON);
assertEquals(5.0, s.getHeight(), EPSILON);
}
/**
* The arrangement should be able to handle null blocks in the layout.
*/
public void testNullBlock_NN() {
BlockContainer c = new BlockContainer(new GridArrangement(1, 1));
c.add(null);
Size2D s = c.arrange(null, RectangleConstraint.NONE);
assertEquals(0.0, s.getWidth(), EPSILON);
assertEquals(0.0, s.getHeight(), EPSILON);
}
/**
* The arrangement should be able to handle less blocks than grid spaces.
*/
public void testGridNotFull_FF() {
Block b1 = new EmptyBlock(5, 5);
BlockContainer c = new BlockContainer(new GridArrangement(2, 3));
c.add(b1);
Size2D s = c.arrange(null, new RectangleConstraint(200, 100));
assertEquals(200.0, s.getWidth(), EPSILON);
assertEquals(100.0, s.getHeight(), EPSILON);
}
/**
* The arrangement should be able to handle less blocks than grid spaces.
*/
public void testGridNotFull_FN() {
Block b1 = new EmptyBlock(5, 5);
BlockContainer c = new BlockContainer(new GridArrangement(2, 3));
c.add(b1);
Size2D s = c.arrange(null, RectangleConstraint.NONE.toFixedWidth(30.0));
assertEquals(30.0, s.getWidth(), EPSILON);
assertEquals(10.0, s.getHeight(), EPSILON);
}
/**
* The arrangement should be able to handle less blocks than grid spaces.
*/
public void testGridNotFull_FR() {
Block b1 = new EmptyBlock(5, 5);
BlockContainer c = new BlockContainer(new GridArrangement(2, 3));
c.add(b1);
Size2D s = c.arrange(null, new RectangleConstraint(30.0, new Range(5.0,
10.0)));
assertEquals(30.0, s.getWidth(), EPSILON);
assertEquals(10.0, s.getHeight(), EPSILON);
}
/**
* The arrangement should be able to handle less blocks than grid spaces.
*/
public void testGridNotFull_NN() {
Block b1 = new EmptyBlock(5, 5);
BlockContainer c = new BlockContainer(new GridArrangement(2, 3));
c.add(b1);
Size2D s = c.arrange(null, RectangleConstraint.NONE);
assertEquals(15.0, s.getWidth(), EPSILON);
assertEquals(10.0, s.getHeight(), EPSILON);
}
}