/*
    * 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.core.partitioning;
  
  import org.apache.commons.geometry.core.Transform;
  import org.apache.commons.geometry.core.partitioning.test.TestLine;
  import org.apache.commons.geometry.core.partitioning.test.TestPoint2D;
  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 AbstractHyperplaneTest {
  
      @Test
      public void testGetPrecision() {
          // arrange
          final DoublePrecisionContext precision = new EpsilonDoublePrecisionContext(1e-1);
          final StubHyperplane hyper = new StubHyperplane(precision);
  
          // act/assert
          Assert.assertSame(precision, hyper.getPrecision());
      }
  
      @Test
      public void testClassify() {
          // arrange
          final DoublePrecisionContext precision = new EpsilonDoublePrecisionContext(1e-1);
          final StubHyperplane hyper = new StubHyperplane(precision);
  
          // act/assert
          Assert.assertEquals(HyperplaneLocation.MINUS, hyper.classify(new TestPoint2D(1, 1)));
  
          Assert.assertEquals(HyperplaneLocation.ON, hyper.classify(new TestPoint2D(1, 0.09)));
          Assert.assertEquals(HyperplaneLocation.ON, hyper.classify(new TestPoint2D(1, 0)));
          Assert.assertEquals(HyperplaneLocation.ON, hyper.classify(new TestPoint2D(1, -0.09)));
  
          Assert.assertEquals(HyperplaneLocation.PLUS, hyper.classify(new TestPoint2D(1, -1)));
      }
  
      @Test
      public void testContains() {
          // arrange
          final DoublePrecisionContext precision = new EpsilonDoublePrecisionContext(1e-1);
          final StubHyperplane hyper = new StubHyperplane(precision);
  
          // act/assert
          Assert.assertFalse(hyper.contains(new TestPoint2D(1, 1)));
  
          Assert.assertTrue(hyper.contains(new TestPoint2D(1, 0.09)));
          Assert.assertTrue(hyper.contains(new TestPoint2D(1, 0)));
          Assert.assertTrue(hyper.contains(new TestPoint2D(1, -0.09)));
  
          Assert.assertFalse(hyper.contains(new TestPoint2D(1, -1)));
      }
  
      public static class StubHyperplane extends AbstractHyperplane<TestPoint2D> {
  
          public StubHyperplane(final DoublePrecisionContext precision) {
              super(precision);
          }
  
          @Override
          public double offset(final TestPoint2D point) {
              return TestLine.X_AXIS.offset(point);
          }
  
          @Override
          public TestPoint2D project(final TestPoint2D point) {
              return null;
          }
  
          @Override
          public Hyperplane<TestPoint2D> reverse() {
              return null;
          }
  
          @Override
          public Hyperplane<TestPoint2D> transform(final Transform<TestPoint2D> transform) {
              return null;
          }
  
          @Override
          public boolean similarOrientation(final Hyperplane<TestPoint2D> other) {
              return false;
         }
 
         @Override
         public HyperplaneConvexSubset<TestPoint2D> span() {
             return null;
         }
     }
 }