public async Task TestWriteAsync()
{
var buffer = new byte[(int)chained.Length];
for (int i = 0; i < buffer.Length; i++)
{
buffer[i] = (byte)(i & 0xff);
}
chained.Position = 0;
await chained.WriteAsync(buffer, 0, buffer.Length);
await chained.FlushAsync();
var array = backing.ToArray();
for (int i = 0; i < buffer.Length; i++)
{
Assert.AreEqual(buffer[i], array[i], "Written byte @ offset {0} did not match", i);
}
}