public void TestSimpleConvertToReadOnlySequence()
{
var manager = new NonePooledMemoryStreamManager(new PooledMemoryStreamOptions()
{
MinimumSegmentSize = 16
});
PooledMemoryStream stream = manager.GetStream();
var writer = (IBufferWriter <byte>)stream;
writer.GetSpan(15);
writer.Advance(15);
writer.GetSpan(15);
writer.Advance(15);
ReadOnlySequence <byte> sequence = stream.ToReadOnlySequence();
Assert.Equal(30, sequence.Length);
Assert.Equal(15, sequence.FirstSpan.Length);
}