public void distanceFromLondon_CorrectData_ReturnsDistance(double latitude, double longitude, decimal distanceFromLondon)
{
var distanceCalculator = new HaversineCalculator();
decimal result = distanceCalculator.distanceFromLondon(latitude, longitude);
Assert.Equal(distanceFromLondon, result);
}
public void DegreesRadians_Reciprocity()
{
HaversineCalculator calculator = new HaversineCalculator();
double radians = calculator.ToRadians(20);
double degrees = calculator.ToDegrees(radians);
Assert.Equal(20, degrees);
}
public void HaversineArcHaversine_At1_Reciprocity()
{
HaversineCalculator calculator = new HaversineCalculator();
double radians = 1;
double haversine = calculator.Haversine(radians);
double actual = calculator.ArcHaversine(haversine);
Assert.Equal(radians, actual);
}
public void Distance_40s_ShouldBe0()
{
double lat1 = 40;
double lat2 = 40;
double lon1 = 40;
double lon2 = 40;
HaversineCalculator calculator = new HaversineCalculator();
var result = calculator.Distance(lat1, lat2, lon1, lon2);
Assert.Equal(0, result);
}
public void Distance_Neg40sToPos60s_ShouldBe2621()
{
double lat1 = -40;
double lat2 = 60;
double lon1 = -40;
double lon2 = 60;
HaversineCalculator calculator = new HaversineCalculator();
var result = calculator.DistanceKm(lat1, lat2, lon1, lon2);
var actual = Math.Round(result, 0);
Assert.Equal(14294, actual);
}
public void Distance_4040To6060_ShouldBe2621()
{
double lat1 = 40;
double lat2 = 60;
double lon1 = 40;
double lon2 = 60;
HaversineCalculator calculator = new HaversineCalculator();
var result = calculator.DistanceKm(lat1, lat2, lon1, lon2);
var actual = Math.Round(result, 0);
Assert.Equal(2621, actual);
}
public void Longitude2Km_4040To6060_ShouldBe60()
{
double lat1 = 40;
double lat2 = 60;
double lon1 = 40;
double lon2 = 60;
HaversineCalculator calculator = new HaversineCalculator();
var distance = calculator.DistanceKm(lat1, lat2, lon1, lon2);
var result = calculator.Longitude2Km(distance, lat1, lat2, lon1);
var actual = Math.Round(result, 0);
Assert.Equal(lon2, actual);
}
