| /******************************************************************************* |
| * Copyright (c) 2008, 2010 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.draw2d.test; |
| |
| import junit.framework.TestCase; |
| |
| import org.eclipse.draw2d.geometry.Vector; |
| |
| /** |
| * Vector's tests |
| * |
| * @author aboyko |
| * |
| */ |
| public class VectorTest extends TestCase { |
| |
| /** |
| * @see TestCase#setUp() |
| */ |
| protected void setUp() throws Exception { |
| super.setUp(); |
| } |
| |
| /** |
| * @see TestCase#tearDown() |
| */ |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| } |
| |
| public void test_getLength() { |
| testLengthValues(3, 4, 5); |
| testLengthValues(0, Integer.MAX_VALUE, Integer.MAX_VALUE); |
| } |
| |
| public void test_getOrthoComplement() { |
| Vector a = new Vector(3, -5); |
| assertTrue(a.getOrthogonalComplement().equals(new Vector(5, 3))); |
| } |
| |
| public void test_getDotProduct() { |
| Vector a = new Vector(3, 2); |
| Vector b = new Vector(2, -2); |
| assertTrue(a.getDotProduct(b) == 2); |
| } |
| |
| public void test_getAngle() { |
| Vector a = new Vector(24.03809869102058, -6.868028197434448); |
| Vector b = new Vector(-24.038098691020593, 6.868028197434448); |
| assertTrue(a.getAngle(b) == 180.0); |
| } |
| |
| private void testLengthValues(int x, int y, double expectedLength) { |
| Vector Vector = new Vector(x, y); |
| assertEquals(expectedLength, Vector.getLength(), 0); |
| } |
| } |