public void FromGeometryPolygonReturnsExpectedResult()
{
_fixture.CustomizeGeometryPolygon();
var input = _fixture.Create <NetTopologySuite.Geometries.Polygon>();
var result = GeometryTranslator.FromGeometryPolygon(input);
var rings = new List <NetTopologySuite.Geometries.LineString>(new[] { input.ExteriorRing });
rings.AddRange(input.InteriorRings);
Assert.Equal(new BoundingBox2D(
rings.SelectMany(ring => Enumerable.Range(0, ring.NumPoints).Select(index => new Point(ring.GetPointN(index).X, ring.GetPointN(index).Y))).Min(point => point.X),
rings.SelectMany(ring => Enumerable.Range(0, ring.NumPoints).Select(index => new Point(ring.GetPointN(index).X, ring.GetPointN(index).Y))).Min(point => point.Y),
rings.SelectMany(ring => Enumerable.Range(0, ring.NumPoints).Select(index => new Point(ring.GetPointN(index).X, ring.GetPointN(index).Y))).Max(point => point.X),
rings.SelectMany(ring => Enumerable.Range(0, ring.NumPoints).Select(index => new Point(ring.GetPointN(index).X, ring.GetPointN(index).Y))).Max(point => point.Y)
), result.BoundingBox);
Assert.Equal(rings.Count, result.NumberOfParts);
Assert.Equal(rings.Sum(ring => ring.NumPoints), result.NumberOfPoints);
var offset = 0;
Assert.Equal(
rings.Select(ring =>
{
var part = offset;
offset += ring.NumPoints;
return(part);
}).ToArray(),
result.Parts);
Assert.Equal(
rings.SelectMany(ring => Enumerable.Range(0, ring.NumPoints).Select(index => new Point(ring.GetPointN(index).X, ring.GetPointN(index).Y))).ToArray(),
result.Points);
}
public void FromGeometryPolygonCanNotBeNull()
{
Assert.Throws <ArgumentNullException>(
() => GeometryTranslator.FromGeometryPolygon(null));
}