///<summary>
/// Returns string containing error message if IsValid() returns false or OK if no error exists.
///</summary>
///<returns>Returns string corresponding to error message if IsValid fails.</returns>
public virtual string IsValidErrorMessage()
{
TopologyValidationError er = GetValidOpError();
string errorMessage = "OK";
if ( er != null )
errorMessage = er.ToString();
return errorMessage;
}
public void TestInvalidCoordinate()
{
Coordinate badCoord = new Coordinate(1.0, Double.NaN);
Coordinate[] pts = { new Coordinate(0.0, 0.0), badCoord };
IGeometry line = geometryFactory.CreateLineString(pts);
IsValidOp isValidOp = new IsValidOp(line);
bool valid = isValidOp.IsValid;
TopologyValidationError err = isValidOp.ValidationError;
Coordinate errCoord = err.Coordinate;
Assert.AreEqual(TopologyValidationErrors.InvalidCoordinate, err.ErrorType);
Assert.IsTrue(Double.IsNaN(errCoord.Y));
Assert.AreEqual(false, valid);
}
