// Encodes the given vector and returns the corresponding
// EncodedS2CellIdVector (which points into the Encoder's data buffer).
private static EncodedS2CellIdVector MakeEncodedS2CellIdVector(List <S2CellId> input, Encoder encoder)
{
EncodedS2CellIdVector.EncodeS2CellIdVector(input, encoder);
var decoder = encoder.Decoder();
EncodedS2CellIdVector cell_ids = new();
Assert.True(cell_ids.Init(decoder));
return(cell_ids);
}
// Encodes the given vector and checks that it has the expected size and
// contents.
private static void TestEncodedS2CellIdVector(List <S2CellId> expected, int expected_bytes)
{
Encoder encoder = new();
EncodedS2CellIdVector actual = MakeEncodedS2CellIdVector(expected, encoder);
Assert.Equal(expected_bytes, encoder.Length());
var dec = actual.Decode();
Assert.True(dec.SequenceEqual(expected));
}
