public void OrthodromicDistance_CoordinatesVeryFarApart_ReturnsDistanceBetween2886kmAnd2887km()
{
OrthodromicDistanceCalculator calculator = new OrthodromicDistanceCalculator();
// Distance Calculated is 2886.45 km
double expectedDistanceLowerBound = 2886.0;
double expectedDistanceUpperBound = 2887.0;
double distance = calculator.OrthodromicDistance(new GeoLocation()
{
Latitude = 36.12, Longitude = -86.67
}, new GeoLocation()
{
Latitude = 33.94, Longitude = -118.40
}, OrthodromicDistanceCalculator.FormulaType.HaversineFormula);
Assert.True((expectedDistanceLowerBound <= distance) && (distance <= expectedDistanceUpperBound), string.Format("Distance did not fall within expected range of {0} km <= x <= {1} km, the distance was {2} km", expectedDistanceLowerBound, expectedDistanceUpperBound, distance));
}
public void OrthodromicDistance_CoordinatesVeryCloseTogether_ReturnsDistanceBetween38kmAnd39km()
{
OrthodromicDistanceCalculator calculator = new OrthodromicDistanceCalculator();
// Distance Calculated is 38.5 km
double expectedDistanceLowerBound = 38.0;
double expectedDistanceUpperBound = 39.0;
double distance = calculator.OrthodromicDistance(new GeoLocation()
{
Latitude = 43.372991, Longitude = -80.985739
}, new GeoLocation()
{
Latitude = 43.553447, Longitude = -81.393328
}, OrthodromicDistanceCalculator.FormulaType.HaversineFormula);
Assert.True((expectedDistanceLowerBound <= distance) && (distance <= expectedDistanceUpperBound), string.Format("Distance did not fall within expected range of {0} km <= x <= {1} km, the distance was {2} km", expectedDistanceLowerBound, expectedDistanceUpperBound, distance));
}