| /* |
| * 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.commons.geometry.euclidean.threed; |
| |
| import org.apache.commons.geometry.core.GeometryTestUtils; |
| import org.apache.commons.geometry.core.precision.DoublePrecisionContext; |
| import org.apache.commons.geometry.core.precision.EpsilonDoublePrecisionContext; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class LinecastPoint3DTest { |
| |
| private static final double TEST_EPS = 1e-10; |
| |
| private static final DoublePrecisionContext TEST_PRECISION = |
| new EpsilonDoublePrecisionContext(TEST_EPS); |
| |
| private static final Line3D X_AXIS = |
| Line3D.fromPointAndDirection(Vector3D.ZERO, Vector3D.Unit.PLUS_X, TEST_PRECISION); |
| |
| private static final Line3D Y_AXIS = |
| Line3D.fromPointAndDirection(Vector3D.ZERO, Vector3D.Unit.PLUS_Y, TEST_PRECISION); |
| |
| @Test |
| public void testProperties() { |
| // arrange |
| Vector3D pt = Vector3D.of(1, 1, 1); |
| Vector3D normal = Vector3D.Unit.MINUS_X; |
| |
| LinecastPoint3D it = new LinecastPoint3D(pt, normal, X_AXIS); |
| |
| // act |
| Assert.assertSame(pt, it.getPoint()); |
| Assert.assertSame(normal, it.getNormal()); |
| Assert.assertSame(X_AXIS, it.getLine()); |
| Assert.assertEquals(1.0, it.getAbscissa(), TEST_EPS); |
| } |
| |
| @Test |
| public void testCompareTo() { |
| // arrange |
| LinecastPoint3D a = new LinecastPoint3D(Vector3D.of(1, 1, 1), Vector3D.Unit.PLUS_X, X_AXIS); |
| |
| LinecastPoint3D b = new LinecastPoint3D(Vector3D.of(2, 2, 2), Vector3D.Unit.PLUS_X, X_AXIS); |
| LinecastPoint3D c = new LinecastPoint3D(Vector3D.of(-3, 3, 3), Vector3D.Unit.PLUS_X, X_AXIS); |
| LinecastPoint3D d = new LinecastPoint3D(Vector3D.of(1, 4, 4), Vector3D.Unit.PLUS_Y, X_AXIS); |
| LinecastPoint3D e = new LinecastPoint3D(Vector3D.of(1, 4, 4), Vector3D.Unit.PLUS_X, X_AXIS); |
| |
| // act/assert |
| Assert.assertEquals(-1, LinecastPoint3D.ABSCISSA_ORDER.compare(a, b)); |
| Assert.assertEquals(1, LinecastPoint3D.ABSCISSA_ORDER.compare(a, c)); |
| Assert.assertEquals(1, LinecastPoint3D.ABSCISSA_ORDER.compare(a, d)); |
| Assert.assertEquals(0, LinecastPoint3D.ABSCISSA_ORDER.compare(a, e)); |
| } |
| |
| @Test |
| public void testHashCode() { |
| // arrange |
| LinecastPoint3D a = new LinecastPoint3D(Vector3D.of(1, 1, 1), Vector3D.Unit.PLUS_X, X_AXIS); |
| LinecastPoint3D b = new LinecastPoint3D(Vector3D.of(2, 2, 2), Vector3D.Unit.PLUS_X, X_AXIS); |
| LinecastPoint3D c = new LinecastPoint3D(Vector3D.of(1, 1, 1), Vector3D.Unit.PLUS_Y, X_AXIS); |
| LinecastPoint3D d = new LinecastPoint3D(Vector3D.of(1, 1, 1), Vector3D.Unit.PLUS_X, Y_AXIS); |
| LinecastPoint3D e = new LinecastPoint3D(Vector3D.of(1, 1, 1), Vector3D.Unit.PLUS_X, X_AXIS); |
| |
| // act |
| int hash = a.hashCode(); |
| |
| // assert |
| Assert.assertEquals(hash, a.hashCode()); |
| |
| Assert.assertNotEquals(hash, b.hashCode()); |
| Assert.assertNotEquals(hash, c.hashCode()); |
| Assert.assertNotEquals(hash, d.hashCode()); |
| |
| Assert.assertEquals(hash, e.hashCode()); |
| } |
| |
| @Test |
| public void testEquals() { |
| // arrange |
| LinecastPoint3D a = new LinecastPoint3D(Vector3D.of(1, 1, 1), Vector3D.Unit.PLUS_X, X_AXIS); |
| LinecastPoint3D b = new LinecastPoint3D(Vector3D.of(2, 2, 2), Vector3D.Unit.PLUS_X, X_AXIS); |
| LinecastPoint3D c = new LinecastPoint3D(Vector3D.of(1, 1, 1), Vector3D.Unit.PLUS_Y, X_AXIS); |
| LinecastPoint3D d = new LinecastPoint3D(Vector3D.of(1, 1, 1), Vector3D.Unit.PLUS_X, Y_AXIS); |
| LinecastPoint3D e = new LinecastPoint3D(Vector3D.of(1, 1, 1), Vector3D.Unit.PLUS_X, X_AXIS); |
| |
| // act/assert |
| Assert.assertTrue(a.equals(a)); |
| |
| Assert.assertFalse(a.equals(null)); |
| Assert.assertFalse(a.equals(new Object())); |
| |
| Assert.assertFalse(a.equals(b)); |
| Assert.assertFalse(a.equals(c)); |
| Assert.assertFalse(a.equals(d)); |
| |
| Assert.assertTrue(a.equals(e)); |
| Assert.assertTrue(e.equals(a)); |
| } |
| |
| @Test |
| public void testToString() { |
| // arrange |
| LinecastPoint3D it = new LinecastPoint3D(Vector3D.of(1, 1, 1), Vector3D.Unit.PLUS_X, X_AXIS); |
| |
| // act |
| String str = it.toString(); |
| |
| // assert |
| GeometryTestUtils.assertContains("LinecastPoint3D[point= (1.0, 1.0, 1.0), normal= (1.0, 0.0, 0.0)", str); |
| } |
| } |