public void TestConstructorFromDegrees()
{
var loc = GeoLocation.FromDegrees(1, 1);
Assert.AreEqual(1, loc.Latitude);
Assert.AreEqual(1, loc.Longitude);
}
public void TestGetDistanceTo()
{
//Math.Acos(Math.Sin(0.ToRadians()) * Math.Sin(20.ToRadians()) +
// Math.Cos(0.ToRadians()) * Math.Cos(20.ToRadians()) *
// Math.Cos(0.ToRadians() - 20.ToRadians())) * 6371.01;
//Math.Acos(Math.Sin(0) * Math.Sin(0.34906585) +
// Math.Cos(0) * Math.Cos(0.34906585) *
// Math.Cos(0 - 0.34906585)) * 6371.01;
//Math.Acos(0 * 0.342020143 +
// 1 * 0.939692621 *
// Math.Cos(-0.34906585)) * 6371.01;
//Math.Acos(0 * 0.342020143 +
// 1 * 0.939692621 *
// 0.939692621) * 6371.01;
//Math.Acos(0.883022222) * 6371.01;
//0.488533203 * 6371.01;
//3112.44992
var toLocation = GeoLocation.FromDegrees(20, 20);
var distance = location.GetDistanceTo(toLocation);
Assert.AreEqual(3112.44992, distance, 0.0001);
}
public void TestGetBoundingBoxRadiusNearPoles()
{
//angularDistance = 1000 / 6371.01
//angularDistance = 0.156960984
//minLat = 88.ToRadians() - 0.156960984
//maxLat = 88.ToRadians() + 0.156960984
//minLat = 1.53588974 - 0.156960984
//maxLat = 1.53588974 + 0.156960984
//minLat = 1.37892876
//maxLat = 1.69285072
var loc = GeoLocation.FromDegrees(88, 178);
var box = loc.GetBoundingBox(1000);
Assert.AreEqual(79.0067982, box[0], 0.0001);
Assert.AreEqual(-180, box[1], 0.0001);
Assert.AreEqual(90, box[2], 0.0001);
Assert.AreEqual(180, box[3], 0.0001);
}
public void TestGetDistanceToRadiusLessThanZero()
{
var toLocation = GeoLocation.FromDegrees(20, 20);
Assert.Throws <ArgumentException>(() => location.GetDistanceTo(toLocation, -1), "Radius must be greater than zero");
}
public void TestConstructorFromDegreesLongitudeTooLarge()
{
var exception = Assert.Throws <ArgumentException>(() => GeoLocation.FromDegrees(1, 185));
Assert.AreEqual(exception.Message, "Longitude must not be greater than the maximum value. (180)");
}
public void TestConstructorFromDegreesLongitudeTooSmall()
{
var exception = Assert.Throws <ArgumentException>(() => GeoLocation.FromDegrees(1, -185));
Assert.AreEqual(exception.Message, "Longitude must not be less than the minimum value. (-180)");
}
public void Setup()
{
location = GeoLocation.FromDegrees(0, 0);
}