/* ====================================================================
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
==================================================================== */

package org.apache.poi.hslf.model;

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

import java.awt.geom.Area;
import java.awt.geom.Line2D;
import java.awt.geom.Path2D;
import java.awt.geom.Rectangle2D;

import org.apache.poi.hslf.usermodel.HSLFFreeformShape;
import org.junit.Test;

/**
 * Test Freeform object.
 * The Freeform shape is constructed from java.awt.GeneralPath.
 * Check that the get/set path accessors are consistent.
 * (TODO: verification of Bezier curves is more difficult due to rounding error.  Figure out a test approach for that)
 *
 * @author Yegor Kozlov
 */
public final class TestFreeform {

    @Test
    public void testClosedPath() {

        Path2D.Double path1 = new Path2D.Double();
        path1.moveTo(100, 100);
        path1.lineTo(200, 100);
        path1.lineTo(200, 200);
        path1.lineTo(100, 200);
        path1.closePath();

        HSLFFreeformShape p = new HSLFFreeformShape();
        p.setPath(path1);

        java.awt.Shape path2 = p.getPath();
        assertTrue(new Area(path1).equals(new Area(path2)));
    }

    @Test
    public void testLine() {

        Path2D.Double path1 = new Path2D.Double(new Line2D.Double(100, 100, 200, 100));

        HSLFFreeformShape p = new HSLFFreeformShape();
        p.setPath(path1);

        java.awt.Shape path2 = p.getPath();
        assertTrue(new Area(path1).equals(new Area(path2)));
    }

    @Test
    public void testRectangle() {

        Path2D.Double path1 = new Path2D.Double(new Rectangle2D.Double(100, 100, 200, 50));

        HSLFFreeformShape p = new HSLFFreeformShape();
        p.setPath(path1);

        java.awt.Shape path2 = p.getPath();
        assertTrue(new Area(path1).equals(new Area(path2)));
   }

    /**
     * Avoid NPE in  Freeform.getOutline() if either GEOMETRY__VERTICES or
     * GEOMETRY__SEGMENTINFO is missing, see Bugzilla 54188
     */
    @Test
    public void test54188() {

        HSLFFreeformShape p = new HSLFFreeformShape();
        Path2D.Double path = p.getPath();
        Path2D.Double emptyPath = new Path2D.Double();
        assertEquals(emptyPath.getBounds2D(), path.getBounds2D());
    }
}