package greenfoot;

import greenfoot.collision.ibsp.Rect;
import greenfoot.core.Simulation;
import greenfoot.util.GreenfootUtil;
import junit.framework.TestCase;




| Tests some of the methods in Actor. This is things related to size,
| position and rotation.
|
| @author Poul Henriksen
|
public class ActorTest
extends TestCase{     
   private World world;

   
   @Override
   
   protected void setUp()
       
   throws Exception
   {        
      GreenfootUtil.initialise(new TestUtilDelegate());
      Simulation.initialize();     
      }
    
   
   public void testNoImage()
   {
      world = WorldCreator.createWorld(10, 10, 10);
       
      TestObject o = new TestObject(11, 31);
      o.setImage((GreenfootImage) null);
        
      world.addObject(o, 0, 0);
      assertNull(o.getImage());     
      }
    
   
   public void testRotatedSizeSmall()
   {
      world = WorldCreator.createWorld(100, 100, 1);
       
      TestObject o = new TestObject(20, 20);
      world.addObject(o, 0, 0);
      o.setRotation(45);
        
      
      Rect r = o.getBoundingRect();
      assertTrue(r.getWidth() >= 28 && r.getWidth() <= 29);
      assertTrue(r.getHeight() >= 28 && r.getWidth() <= 29);     
      }
    
   
   public void testOutOfBounds()
   {
      world = WorldCreator.createWorld(10, 10, 10);
       
      TestObject o = new TestObject(11, 31);
        
       
      int x = 2;
       
      int y = 3;
      world.addObject(o, x, y);
       
      IndexOutOfBoundsException exception = null;
       
      try {
      o.setLocation(11,11);         
      } catch (IndexOutOfBoundsException e) {            
      exception = e;         
      }
   assertNull(exception);
   assertEquals(9, o.getX());
   assertEquals(9, o.getY());             
   }
    
   



| Method that test whether the object is rotated around the correct point.
|
| Normally it should be rotated around it's own location, but if the width
| or height is odd it is different. For instance, if both with and height
| is odd, it should be rotated around its own location plus (0.5, 0.5)
|
public void testRotationCenter()
   {
   world = WorldCreator.createWorld(700, 480, 1);
       
   TestObject o = new TestObject(1, 1);
   o.setRotation(-173); 
   world.addObject(o, 0, 0);
   o.setLocation(0, 0);
   Rect rect = o.getBoundingRect();
   assertEquals(-1 , rect.getX());
   assertEquals(-1 , rect.getY());
   assertEquals(2 , rect.getTop());
   assertEquals(2 , rect.getRight());             
   }      
}