View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.geometry.spherical.twod;
18  
19  import java.util.stream.Stream;
20  
21  import org.apache.commons.geometry.core.precision.DoublePrecisionContext;
22  import org.apache.commons.geometry.core.precision.EpsilonDoublePrecisionContext;
23  import org.junit.Assert;
24  import org.junit.Test;
25  
26  public class BoundarySource2STest {
27  
28      private static final double TEST_EPS = 1e-10;
29  
30      private static final DoublePrecisionContext TEST_PRECISION = new EpsilonDoublePrecisionContext(TEST_EPS);
31  
32      @Test
33      public void testToTree() {
34          // act
35          final BoundarySource2S src = () -> Stream.of(
36                  GreatCircles.arcFromPoints(Point2S.PLUS_I, Point2S.PLUS_J, TEST_PRECISION));
37  
38          // act
39          final RegionBSPTree2S tree = src.toTree();
40  
41          // assert
42          Assert.assertEquals(3, tree.count());
43          Assert.assertFalse(tree.isFull());
44          Assert.assertFalse(tree.isEmpty());
45      }
46  
47      @Test
48      public void testToTree_noBoundaries() {
49          // act
50          final BoundarySource2S src = Stream::empty;
51  
52          // act
53          final RegionBSPTree2S tree = src.toTree();
54  
55          // assert
56          Assert.assertEquals(1, tree.count());
57          Assert.assertFalse(tree.isFull());
58          Assert.assertTrue(tree.isEmpty());
59      }
60  }