public void LatLng_ConvertToWgsAndStringAndDatum_TheyShouldAllBeEqual()
{
var attempts = 1000;
while (--attempts != 0)
{
// Create a test position
var latlng = RandomLatLng();
var gcj02 = new Terratype.CoordinateSystems.Gcj02(latlng);
var parse = gcj02.ToString();
gcj02.Parse(parse);
var parse2 = gcj02.ToString();
Assert.AreEqual(parse, parse2);
var datum = gcj02.Datum;
gcj02.Datum = datum;
var compare = gcj02.ToWgs84();
Assert.AreEqual(latlng.Latitude, compare.Latitude, Delta);
Assert.AreEqual(latlng.Longitude, compare.Longitude, Delta);
}
}
public void StringWithDifferentCulture_ConvertToWgsAndDatumAndLatLng_TheyShouldAllBeEqual()
{
foreach (var culture in Cultures)
{
Thread.CurrentThread.CurrentCulture = new CultureInfo(culture);
var attempts = 1000;
while (--attempts != 0)
{
var latlng = RandomLatLng();
// Create a test position
var test = latlng.Latitude.ToString(CultureInfo.InvariantCulture) + "," +
latlng.Longitude.ToString(CultureInfo.InvariantCulture);
var gcj02 = new Terratype.CoordinateSystems.Gcj02(test);
var parse = gcj02.ToString();
gcj02.Parse(parse);
var parse2 = gcj02.ToString();
Assert.AreEqual(parse, parse2);
var datum = gcj02.Datum;
Assert.AreEqual(latlng.Latitude, datum.Latitude, Delta);
Assert.AreEqual(latlng.Longitude, datum.Longitude, Delta);
var compare = gcj02.ToWgs84();
if (gcj02.IsChina)
{
// Calculate the maximum difference at this latitute between wgs84 and gcj02. We are allowing upto 2km difference
var maximumDifference = MetersToDecimalDegrees(2000.0, compare.Latitude);
var latitudeDifference = Math.Abs(latlng.Latitude - compare.Latitude);
Assert.IsTrue(latitudeDifference < maximumDifference);
var longitudeDifference = Math.Abs(latlng.Longitude - compare.Longitude);
Assert.IsTrue(longitudeDifference < maximumDifference);
}
else
{
// If this isn't china then the datum will hold a wgs84 position
Assert.AreEqual(latlng.Latitude, compare.Latitude, Delta);
Assert.AreEqual(latlng.Longitude, compare.Longitude, Delta);
}
}
}
}