/* ===========================================================
 
* JFreeChart : a free chart library for the Java(tm) platform
 
* ===========================================================
 
*
 
* (C) Copyright 2000-2016, 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.]
 
*
 
* ------------------------
 
* GridArrangementTest.java
 
* ------------------------
 
* (C) Copyright 2005-2016, 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;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import org.jfree.chart.TestUtils;
import org.jfree.chart.ui.Size2D;

import org.jfree.data.Range;
import org.junit.Test;

/**
 
* Tests for the {@link GridArrangement} class.
 
*/
public class GridArrangementTest {

    
/**
     
* Confirm that the equals() method can distinguish all the required fields.
     
*/

    
@Test
    
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.
     
*/
    
@Test
    
public void testCloning() {
        
GridArrangement f1 = new GridArrangement(1, 2);
        
assertFalse(f1 instanceof Cloneable);
    
}

    
/**
     
* Serialize an instance, restore it, and check for equality.
     
*/

    
@Test
    
public void testSerialization() {
        
GridArrangement f1 = new GridArrangement(33, 44);
        
GridArrangement f2 = (GridArrangement) TestUtils.serialised(f1);
        
assertEquals(f1, f2);
    
}

    
private static final double EPSILON = 0.000000001;

    
/**
     
* Test arrangement with no constraints.
     
*/
    
@Test
    
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.
     
*/

    
@Test
    
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.
     
*/

    
@Test
    
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.
     
*/

    
@Test
    
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.
     
*/
    
@Test
    
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.
     
*/

    
@Test
    
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.
     
*/

    
@Test
    
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.
     
*/

    
@Test
    
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.
     
*/

    
@Test
    
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.
     
*/

    
@Test
    
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.
     
*/

    
@Test
    
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.
     
*/

    
@Test
    
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.
     
*/

    
@Test
    
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.
     
*/

    
@Test
    
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.
     
*/

    
@Test
    
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);
    
}

}