public void GeoWKTExceptionReturnsCorrectLineNumberAndPosition()
{
var wkt = "POLYGON (\n(100, 5) (100, 10) (90, 10), (90, 5), (100, 5)";
Action action = () => GeoWKTReader.Read(wkt);
action.Should().Throw <GeoWKTException>().Which.Message.Should().Be("Expected number but found: , at line 2, position 5");
}
public void UnknownGeometryThrowsGeoWKTException()
{
var wkt = "UNKNOWN (100 0)";
Action action = () => GeoWKTReader.Read(wkt);
action.Should().Throw <GeoWKTException>().Which.Message.Should().Be("Unknown geometry type: UNKNOWN");
}
public void MalformedPolygonThrowsGeoWKTException()
{
var wkt = "POLYGON ((100, 5) (100, 10) (90, 10), (90, 5), (100, 5)";
Action action = () => GeoWKTReader.Read(wkt);
action.Should().Throw <GeoWKTException>().Which.Message.Should().Be("Expected number but found: , at line 1, position 14");
}
public void ReadMultiPolygon()
{
var wkt = @"MULTIPOLYGON (
((102.0 2.0, 103.0 2.0, 103.0 3.0, 102.0 3.0, 102.0 2.0)),
((100.0 0.0, 101.0 0.0, 101.0 1.0, 100.0 1.0, 100.0 0.0),
(100.2 0.2, 100.8 0.2, 100.8 0.8, 100.2 0.8, 100.2 0.2)))" ;
var shape = GeoWKTReader.Read(wkt);
var multiPolygon = shape as MultiPolygonGeoShape;
multiPolygon.Should().NotBeNull();
multiPolygon.Coordinates.Should().HaveCount(2);
foreach (var polygon in multiPolygon.Coordinates)
{
foreach (var ring in polygon)
{
ring.Should().HaveCount(5);
foreach (var coordinate in ring)
{
coordinate.Latitude.Should().BeLessOrEqualTo(3.0).And.BeGreaterOrEqualTo(0);
coordinate.Longitude.Should().BeGreaterOrEqualTo(100.0).And.BeLessOrEqualTo(103.0);
}
}
}
}
public void WriteWKTCoordinatesWithInvariantCulture()
{
var wkt = "POINT (45.1 42.25)";
var shape = GeoWKTReader.Read(wkt);
var actual = GeoWKTWriter.Write(shape);
actual.Should().Be(wkt);
}
public void ReadAndWriteGeometryCollection()
{
var wkt = "GEOMETRYCOLLECTION (POINT (100 0), LINESTRING (101 0, 102 1))";
var shape = GeoWKTReader.Read(wkt);
var geometryCollection = shape as IGeometryCollection;
geometryCollection.Should().NotBeNull();
geometryCollection.Geometries.Should().HaveCount(2);
geometryCollection.Geometries.First().Should().BeOfType <PointGeoShape>();
geometryCollection.Geometries.Last().Should().BeOfType <LineStringGeoShape>();
GeoWKTWriter.Write(geometryCollection).Should().Be(wkt);
}
public void ReadAndWritePoint()
{
var wkt = "POINT (-77.03653 38.897676)";
var shape = GeoWKTReader.Read(wkt);
shape.Should().BeOfType <PointGeoShape>();
var point = (PointGeoShape)shape;
point.Coordinates.Latitude.Should().Be(38.897676);
point.Coordinates.Longitude.Should().Be(-77.03653);
GeoWKTWriter.Write(point).Should().Be(wkt);
}
public void ReadAndWriteEnvelope()
{
var wkt = "BBOX (-74.1, -71.12, 40.73, 40.01)";
var shape = GeoWKTReader.Read(wkt);
var envelope = shape as EnvelopeGeoShape;
envelope.Should().NotBeNull();
envelope.Coordinates.First().Latitude.Should().Be(40.73);
envelope.Coordinates.First().Longitude.Should().Be(-74.1);
envelope.Coordinates.Last().Latitude.Should().Be(40.01);
envelope.Coordinates.Last().Longitude.Should().Be(-71.12);
GeoWKTWriter.Write(shape).Should().Be(wkt);
}
public void ReadAndWritePointWithExponent()
{
var wkt = "POINT (1.2E2 -2.5E-05)";
var shape = GeoWKTReader.Read(wkt);
shape.Should().BeOfType <PointGeoShape>();
var point = (PointGeoShape)shape;
point.Coordinates.Latitude.Should().Be(-0.000025);
point.Coordinates.Longitude.Should().Be(120);
// 1.2E2 will be expanded
GeoWKTWriter.Write(point).Should().Be("POINT (120 -2.5E-05)");
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
switch (reader.TokenType)
{
case JsonToken.Null:
return(null);
case JsonToken.String:
return(GeoWKTReader.Read((string)reader.Value));
default:
var shape = JObject.Load(reader);
return(ReadJToken(shape, serializer));
}
}
public void ReadAndWriteLineString()
{
var wkt = "LINESTRING (-77.03653 38.897676, -77.009051 38.889939)";
var shape = GeoWKTReader.Read(wkt);
var lineString = shape as LineStringGeoShape;
lineString.Should().NotBeNull();
lineString.Coordinates.First().Latitude.Should().Be(38.897676);
lineString.Coordinates.First().Longitude.Should().Be(-77.03653);
lineString.Coordinates.Last().Latitude.Should().Be(38.889939);
lineString.Coordinates.Last().Longitude.Should().Be(-77.009051);
GeoWKTWriter.Write(lineString).Should().Be(wkt);
}
public void ReadPolygon()
{
var wkt = @"POLYGON ((100.0 0.0, 101.0 0.0, 101.0 1.0, 100.0 1.0, 100.0 0.0),
(100.2 0.2, 100.8 0.2, 100.8 0.8, 100.2 0.8, 100.2 0.2))" ;
var shape = GeoWKTReader.Read(wkt);
var polygon = shape as PolygonGeoShape;
polygon.Should().NotBeNull();
foreach (var ring in polygon.Coordinates)
{
foreach (var coordinate in ring)
{
coordinate.Latitude.Should().BeLessOrEqualTo(1.0);
coordinate.Longitude.Should().BeGreaterOrEqualTo(100.0);
}
}
}
public void ReadMultiLineString()
{
var wkt = @"MULTILINESTRING ((102.0 2.0, 103.0 2.0, 103.0 3.0, 102.0 3.0),
(100.0 0.0, 101.0 0.0, 101.0 1.0, 100.0 1.0),
(100.2 0.2, 100.8 0.2, 100.8 0.8, 100.2 0.8))" ;
var shape = GeoWKTReader.Read(wkt);
var multiLineString = shape as MultiLineStringGeoShape;
multiLineString.Should().NotBeNull();
foreach (var lineString in multiLineString.Coordinates)
{
foreach (var coordinate in lineString)
{
coordinate.Latitude.Should().BeGreaterOrEqualTo(0).And.BeLessOrEqualTo(3);
coordinate.Longitude.Should().BeGreaterOrEqualTo(100).And.BeLessOrEqualTo(103);
}
}
}
public void ReadAndWriteMultiPoint()
{
var wkt = "MULTIPOINT (102.0 2.0, 103.0 2.0)";
var shape = GeoWKTReader.Read(wkt);
var multiPoint = shape as MultiPointGeoShape;
multiPoint.Should().NotBeNull();
var firstPoint = multiPoint.Coordinates.First();
firstPoint.Latitude.Should().Be(2);
firstPoint.Longitude.Should().Be(102);
var lastPoint = multiPoint.Coordinates.Last();
lastPoint.Latitude.Should().Be(2);
lastPoint.Longitude.Should().Be(103);
GeoWKTWriter.Write(multiPoint).Should().Be("MULTIPOINT (102 2, 103 2)");
}