public void PostalCodeNearBy(double lat, double lng, double radiusKm, string[] expectedNames)
{
IEnumerable <PostalCode> codes = GeoData.Current.PostalCodeNearBy(lat, lng, radiusKm);
CollectionAssert.IsNotEmpty(codes);
foreach (PostalCode pc in codes)
{
double dist = Distance.BetweenPlaces((double)pc.Longitude, (double)pc.Latitude, lng, lat);
Assert.LessOrEqual(Math.Floor(dist), Math.Ceiling(radiusKm), pc.Name + " dist: " + dist);
}
string missing = "";
foreach (string n in expectedNames)
{
PostalCode pc = codes.FirstOrDefault(c => string.Compare(c.Name, n, true) == 0);
if (pc == null)
{
missing += " " + n;
}
}
Assert.That(missing.Length == 0, missing);
}
