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* this work for additional information regarding copyright
* ownership. Elasticsearch 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.
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package org.elasticsearch.common.geo.builders;
import com.vividsolutions.jts.geom.Coordinate;
import org.elasticsearch.test.geo.RandomShapeGenerator;
import org.elasticsearch.test.geo.RandomShapeGenerator.ShapeType;
import java.io.IOException;
import java.util.List;
public class LineStringBuilderTests extends AbstractShapeBuilderTestCase<LineStringBuilder> {
public void testInvalidConstructorArgs() {
IllegalArgumentException e = expectThrows(IllegalArgumentException.class, () -> new LineStringBuilder((List<Coordinate>) null));
assertEquals("cannot create point collection with empty set of points", e.getMessage());
e = expectThrows(IllegalArgumentException.class, () -> new LineStringBuilder(new CoordinatesBuilder()));
assertEquals("cannot create point collection with empty set of points", e.getMessage());
e = expectThrows(IllegalArgumentException.class, () -> new LineStringBuilder(new CoordinatesBuilder().coordinate(0.0, 0.0)));
assertEquals("invalid number of points in LineString (found [1] - must be >= 2)", e.getMessage());
}
@Override
protected LineStringBuilder createTestShapeBuilder() {
return createRandomShape();
}
@Override
protected LineStringBuilder createMutation(LineStringBuilder original) throws IOException {
return mutate(original);
}
static LineStringBuilder mutate(LineStringBuilder original) throws IOException {
LineStringBuilder mutation = (LineStringBuilder) copyShape(original);
Coordinate[] coordinates = original.coordinates(false);
Coordinate coordinate = randomFrom(coordinates);
if (randomBoolean()) {
if (coordinate.x != 0.0) {
coordinate.x = coordinate.x / 2;
} else {
coordinate.x = randomDoubleBetween(-180.0, 180.0, true);
}
} else {
if (coordinate.y != 0.0) {
coordinate.y = coordinate.y / 2;
} else {
coordinate.y = randomDoubleBetween(-90.0, 90.0, true);
}
}
return mutation.coordinates(coordinates);
}
static LineStringBuilder createRandomShape() {
LineStringBuilder lsb = (LineStringBuilder) RandomShapeGenerator.createShape(random(), ShapeType.LINESTRING);
if (randomBoolean()) {
lsb.close();
}
return lsb;
}
}