content: /*
   * 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 com.datastax.dse.driver.internal.core.data.geometry;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Fail.fail;
  
  import com.datastax.dse.driver.api.core.data.geometry.LineString;
  import com.datastax.dse.driver.api.core.data.geometry.Point;
  import com.esri.core.geometry.ogc.OGCLineString;
  import java.nio.ByteBuffer;
  import java.nio.ByteOrder;
  import org.junit.Test;
  
  public class DefaultLineStringTest {
    private final LineString lineString =
        LineString.fromPoints(
            Point.fromCoordinates(30, 10),
            Point.fromCoordinates(10, 30),
            Point.fromCoordinates(40, 40));
  
    private final String wkt = "LINESTRING (30 10, 10 30, 40 40)";
  
    private final String json =
        "{\"type\":\"LineString\",\"coordinates\":[[30.0,10.0],[10.0,30.0],[40.0,40.0]]}";
  
    @Test
    public void should_parse_valid_well_known_text() {
      assertThat(LineString.fromWellKnownText(wkt)).isEqualTo(lineString);
    }
  
    @Test
    public void should_fail_to_parse_invalid_well_known_text() {
      assertInvalidWkt("linestring()");
      assertInvalidWkt("linestring(30 10 20, 10 30 20)"); // 3d
      assertInvalidWkt("linestring(0 0, 1 1, 0 1, 1 0)"); // crossing itself
      assertInvalidWkt("superlinestring(30 10, 10 30, 40 40)");
    }
  
    @Test
    public void should_convert_to_well_known_text() {
      assertThat(lineString.toString()).isEqualTo(wkt);
    }
  
    @Test
    public void should_convert_to_well_known_binary() {
      ByteBuffer actual = lineString.asWellKnownBinary();
  
      ByteBuffer expected = ByteBuffer.allocate(1024).order(ByteOrder.nativeOrder());
      expected.position(0);
      expected.put((byte) (ByteOrder.nativeOrder() == ByteOrder.LITTLE_ENDIAN ? 1 : 0)); // endianness
      expected.putInt(2); // type
      expected.putInt(3); // num lineStrings
      expected.putDouble(30); // x1
      expected.putDouble(10); // y1
      expected.putDouble(10); // x2
      expected.putDouble(30); // y2
      expected.putDouble(40); // x3
      expected.putDouble(40); // y3
      expected.flip();
  
      assertThat(actual).isEqualTo(expected);
    }
  
    @Test
    public void should_load_from_well_known_binary() {
      ByteBuffer bb = ByteBuffer.allocate(1024).order(ByteOrder.nativeOrder());
      bb.position(0);
      bb.put((byte) (ByteOrder.nativeOrder() == ByteOrder.LITTLE_ENDIAN ? 1 : 0)); // endianness
      bb.putInt(2); // type
      bb.putInt(3); // num lineStrings
      bb.putDouble(30); // x1
      bb.putDouble(10); // y1
      bb.putDouble(10); // x2
      bb.putDouble(30); // y2
      bb.putDouble(40); // x3
      bb.putDouble(40); // y3
      bb.flip();
  
      assertThat(LineString.fromWellKnownBinary(bb)).isEqualTo(lineString);
    }
  
    @Test
    public void should_parse_valid_geo_json() {
      assertThat(LineString.fromGeoJson(json)).isEqualTo(lineString);
    }
  
    @Test
    public void should_convert_to_geo_json() {
      assertThat(lineString.asGeoJson()).isEqualTo(json);
    }
  
    @Test
    public void should_convert_to_ogc_line_string() {
      assertThat(((DefaultLineString) lineString).getOgcGeometry()).isInstanceOf(OGCLineString.class);
    }
  
    @Test
    public void should_produce_same_hashCode_for_equal_objects() {
      LineString line1 =
          LineString.fromPoints(
              Point.fromCoordinates(30, 10),
              Point.fromCoordinates(10, 30),
              Point.fromCoordinates(40, 40));
      LineString line2 = LineString.fromWellKnownText(wkt);
      assertThat(line1).isEqualTo(line2);
      assertThat(line1.hashCode()).isEqualTo(line2.hashCode());
    }
  
    @Test
    public void should_expose_points() {
      assertThat(lineString.getPoints())
          .containsOnly(
              Point.fromCoordinates(30, 10),
              Point.fromCoordinates(10, 30),
              Point.fromCoordinates(40, 40));
      assertThat(LineString.fromWellKnownText(wkt).getPoints())
          .containsOnly(
              Point.fromCoordinates(30, 10),
              Point.fromCoordinates(10, 30),
              Point.fromCoordinates(40, 40));
    }
  
    @Test
    public void should_encode_and_decode() throws Exception {
      assertThat(SerializationUtils.serializeAndDeserialize(lineString)).isEqualTo(lineString);
    }
  
    @Test
    public void should_contain_self() {
      assertThat(lineString.contains(lineString)).isTrue();
    }
  
    @Test
    public void should_contain_all_intersected_points_except_start_and_end() {
      LineString s =
          LineString.fromPoints(
              Point.fromCoordinates(0, 0),
              Point.fromCoordinates(0, 30),
              Point.fromCoordinates(30, 30));
      assertThat(s.contains(Point.fromCoordinates(0, 0))).isFalse();
      assertThat(s.contains(Point.fromCoordinates(0, 15))).isTrue();
      assertThat(s.contains(Point.fromCoordinates(0, 30))).isTrue();
      assertThat(s.contains(Point.fromCoordinates(15, 30))).isTrue();
      assertThat(s.contains(Point.fromCoordinates(30, 30))).isFalse();
    }
  
    @Test
    public void should_contain_substring() {
      assertThat(
              lineString.contains(
                  LineString.fromPoints(
                      Point.fromCoordinates(30, 10), Point.fromCoordinates(10, 30))))
          .isTrue();
    }
  
    @Test
    public void should_not_contain_unrelated_string() {
      assertThat(
              lineString.contains(
                  LineString.fromPoints(
                      Point.fromCoordinates(10, 10), Point.fromCoordinates(30, 30))))
          .isFalse();
    }
  
    @Test
    public void should_not_contain_polygon() {
      LineString s =
          LineString.fromPoints(
              Point.fromCoordinates(0, 0),
              Point.fromCoordinates(0, 30),
              Point.fromCoordinates(30, 30),
              Point.fromCoordinates(30, 0));
      LineString p =
          LineString.fromPoints(
              Point.fromCoordinates(10, 10),
              Point.fromCoordinates(10, 20),
              Point.fromCoordinates(20, 20),
              Point.fromCoordinates(20, 10));
      assertThat(s.contains(p)).isFalse();
    }
  
    @Test
    public void should_accept_empty_shape() throws Exception {
      DefaultLineString s = ((DefaultLineString) LineString.fromWellKnownText("LINESTRING EMPTY"));
      assertThat(s.getOgcGeometry().isEmpty()).isTrue();
    }
  
    private void assertInvalidWkt(String s) {
      try {
        LineString.fromWellKnownText(s);
        fail("Should have thrown InvalidTypeException");
      } catch (IllegalArgumentException e) {
        // expected
      }
    }
  }
  