public void DistanceInFlatPlane_ReturnsDistance_BetweenTwoPoints()
{
var brisbane = new GeoCoordinate(27.4698, 153.0251);
var sydney = new GeoCoordinate(33.8688, 151.2093);
var melbourne = new GeoCoordinate(37.8136, 144.9631);
var perth = new GeoCoordinate(31.9505, 115.8605);
Assert.Equal(732, (int)brisbane.DistanceInFlatPlane(sydney));
Assert.Equal(713, (int)melbourne.DistanceInFlatPlane(sydney));
Assert.Equal(2721, (int)perth.DistanceInFlatPlane(melbourne));
Assert.True(sydney.WithinDistanceOf(melbourne, 1000000));
}
