/*
 * Copyright (c) 2008-2010, Piccolo2D project, http://piccolo2d.org
 * Copyright (c) 1998-2008, University of Maryland
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided
 * that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this list of conditions
 * and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions
 * and the following disclaimer in the documentation and/or other materials provided with the
 * distribution.
 *
 * None of the name of the University of Maryland, the name of the Piccolo2D project, or the names of its
 * contributors may be used to endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package edu.umd.cs.piccolox.nodes;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Paint;

import java.awt.image.BufferedImage;

import junit.framework.TestCase;

/**
 * Unit test for PShadow.
 */
public final class PShadowTest extends TestCase {
    private static final int TEST_IMAGE_WIDTH = 25;
    private static final int TEST_IMAGE_HEIGHT = 10;
    private BufferedImage src;
    private Color shadowPaint;

    public void setUp() {
        shadowPaint = new Color(20, 20, 20, 200);
        src = new BufferedImage(TEST_IMAGE_WIDTH, TEST_IMAGE_HEIGHT, BufferedImage.TYPE_INT_ARGB);
        Paint srcPaint = new Color(255, 0, 0, 200);

        Graphics2D g = src.createGraphics();
        g.setPaint(srcPaint);
        g.drawRect(25, 25, 50, 50);
        g.dispose();
    }

    public void testShadowCreatesCorrectImageSize() {
        PShadow shadowNode = new PShadow(src, shadowPaint, 4);
        assertNotNull(shadowNode);
        assertEquals(TEST_IMAGE_WIDTH + 16, shadowNode.getWidth(), 0.001d);
        assertEquals(TEST_IMAGE_HEIGHT + 16, shadowNode.getHeight(), 0.001d);
    }
    
    public void testClone() {
        PShadow shadowNode = new PShadow(src, shadowPaint, 4);
        PShadow clone = (PShadow) shadowNode.clone();
        assertNotNull(clone);
        assertEquals(shadowNode.getImage().getWidth(null), clone.getImage().getWidth(null));
        assertEquals(shadowNode.getImage().getHeight(null), clone.getImage().getHeight(null));
    }
}