/*
 * $Id$
 * This file is a part of the Arakhne Foundation Classes, http://www.arakhne.org/afc
 *
 * Copyright (c) 2000-2012 Stephane GALLAND.
 * Copyright (c) 2005-10, Multiagent Team, Laboratoire Systemes et Transports,
 *                        Universite de Technologie de Belfort-Montbeliard.
 * Copyright (c) 2013-2016 The original authors, and other authors.
 *
 * Licensed 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.arakhne.afc.math.geometry.d2.dfx;

import static org.junit.Assert.assertNotNull;

import javafx.beans.property.ReadOnlyDoubleProperty;
import org.junit.Before;
import org.junit.Test;

import org.arakhne.afc.math.AbstractMathTestCase;
import org.arakhne.afc.math.geometry.d2.Vector2D;

@SuppressWarnings("all")
public class UnitVectorPropertyTest extends AbstractMathTestCase {

	private static final double ox = 123.456;
	private static final double oy = 951.753;
	private static final double ux = 0.12864;
	private static final double uy = 0.99169;
	
	private UnitVectorProperty property;
	
	@Before
	public void setUp() {
		this.property = new UnitVectorProperty(this, "test", new GeomFactory2dfx()); //$NON-NLS-1$
		double length = Math.hypot(ox, oy);
		this.property.set(ox / length, oy / length);
	}
	
	@Test(expected = AssertionError.class)
	public void setDoubleDouble_notUnitVector() {
		this.property.set(ox, oy);
	}
	
	@Test
	public void setDoubleDouble_unitVector() {
		this.property.set(0.031598, -0.999501);
		assertEpsilonEquals(0.031598, this.property.getX());
		assertEpsilonEquals(-0.999501, this.property.getY());
	}

	@Test(expected = AssertionError.class)
	public void setVector2fx_notUnitVector() {
		this.property.set(new Vector2dfx(ox, oy));
	}
	
	@Test
	public void setVector2fx_unitVector() {
		this.property.set(new Vector2dfx(0.031598, -0.999501));
		assertEpsilonEquals(0.031598, this.property.getX());
		assertEpsilonEquals(-0.999501, this.property.getY());
	}

	@Test(expected = RuntimeException.class)
	public void setVector2D_onVector() {
		Vector2D v = this.property.get();
		v.set(new Vector2dfx(0.031598, -0.999501));
	}

	@Test(expected = RuntimeException.class)
	public void setDoubleDouble_onVector() {
		Vector2D v = this.property.get();
		v.set(0.031598, -0.999501);
	}

	@Test
	public void get() {
		Vector2D v = this.property.get();
		assertNotNull(v);
		assertEpsilonEquals(ux, v.getX());
		assertEpsilonEquals(uy, v.getY());
	}
	
	@Test
	public void getX() {
		assertEpsilonEquals(ux, this.property.getX());
	}

	@Test
	public void getY() {
		assertEpsilonEquals(uy, this.property.getY());
	}

	@Test
	public void xProperty() {
		ReadOnlyDoubleProperty x = this.property.xProperty();
		assertNotNull(x);
		assertEpsilonEquals(ux, x.get());
	}

	@Test
	public void yProperty() {
		ReadOnlyDoubleProperty y = this.property.yProperty();
		assertNotNull(y);
		assertEpsilonEquals(uy, y.get());
	}

}