public void Test_S2Cap_EncodeDecode()
{
S2Cap cap = S2Cap.FromCenterHeight(new S2Point(3, 2, 1).Normalize(), 1);
Encoder encoder = new();
cap.Encode(encoder);
var decoder = encoder.Decoder();
var(success, decoded_cap) = S2Cap.Decode(decoder);
Assert.True(success);
Assert.Equal(cap, decoded_cap);
}
// Encode/Decode not yet implemented for these types.
// S2R2Rect
// S2RegionIntersection
// S2RegionUnion
// TestEncodeDecode tests that the input encodes to match the expected
// golden data, and then returns the decode of the data into dst.
private static Region TestEncodeDecode <Region>(string golden, Region src) where Region : IEncoder, IS2Region <Region>
{
Encoder encoder = new();
src.Encode(encoder);
var str = encoder.HexString();
Assert.Equal(golden, str);
var decoder = encoder.Decoder();
Dictionary <Type, Func <Decoder, (bool, IEncoder?)> > funcDict = new()
{
{ typeof(S2Cap), (d) => S2Cap.Decode(d) },
{ typeof(S2Cell), (d) => S2Cell.Decode(d) },