public void TestSTLineFromEncodedPolyline()
{
using (var db = new PostGisTestDataConnection(TestDatabaseConnectionString))
{
const string ep1 = "_p~iF~ps|U_ulLnnqC_mqNvxq`@";
db.TestGeometries.Value(g => g.Id, 1).Value(p => p.Geometry, () => GeometryInput.STLineFromEncodedPolyline(ep1)).Insert();
db.TestGeometries.Value(g => g.Id, 2).Value(p => p.Geometry, () => GeometryInput.STLineFromEncodedPolyline(ep1, 6)).Insert();
var ewkt1 = db.TestGeometries.Where(g => g.Id == 1).Select(g => g.Geometry.STAsEWKT()).Single();
Assert.AreEqual("SRID=4326;LINESTRING(-120.2 38.5,-120.95 40.7,-126.453 43.252)", ewkt1);
var ewkt2 = db.TestGeometries.Where(g => g.Id == 2).Select(g => g.Geometry.STAsEWKT()).Single();
Assert.AreEqual("SRID=4326;LINESTRING(-12.02 3.85,-12.095 4.07,-12.6453 4.3252)", ewkt2);
db.TestGeometries.Value(g => g.Id, 3).Value(p => p.Geometry, () => GeometryInput.STLineFromEncodedPolyline(String.Empty)).Insert();
db.TestGeometries.Value(g => g.Id, 4).Value(p => p.Geometry, () => GeometryInput.STLineFromEncodedPolyline(null)).Insert();
var ewkt3 = db.TestGeometries.Where(g => g.Id == 3).Select(g => g.Geometry.STAsEWKT()).Single();
Assert.AreEqual("SRID=4326;LINESTRING EMPTY", ewkt3);
var ewkt4 = db.TestGeometries.Where(g => g.Id == 4).Select(g => g.Geometry.STAsEWKT()).Single();
Assert.IsNull(ewkt4);
}
}
