private void SetupBuffers(params int?[] snapshotSizes)
{
var buffers = new IBuffer[snapshotSizes.Length];
for (var i = 0; i < snapshotSizes.Length; i++)
{
buffers[i] = Substitute.For <IBuffer>();
var snapshotSize = snapshotSizes[i];
if (snapshotSize == null)
{
buffers[i].TryMakeSnapshot().ReturnsNull();
}
else
{
var snapshotData = new byte[snapshotSize.Value];
var snapshotState = new BufferState(snapshotData.Length, RecordsPerBuffer);
var snapshot = new BufferSnapshot(buffers[i], snapshotState, snapshotData);
buffers[i].TryMakeSnapshot().Returns(snapshot);
}
}
pool.GetEnumerator().Returns(_ => (buffers as IReadOnlyList <IBuffer>).GetEnumerator());
}