public async Task RejectsTooSmallBuffer()
{
// Arrange
var chunks = new ReadsToChunksStream(new MemoryStream());
// Act, Assert
Func <Task> actionAsync = () => chunks.ReadAsync(new byte[5], 0, 5);
actionAsync.ShouldThrow <ArgumentOutOfRangeException>().Which.Message.Should().StartWith("The number of bytes to read must be greater than or equal to 6.");
}
private static async Task <IEnumerable <string> > GetReadBuffersAsync(string input, int bufferSize)
{
// Arrange
var stream = new ReadsToChunksStream(new MemoryStream(Encoding.ASCII.GetBytes(input)));
var buffers = new List <string>();
int read = -1;
while (read != 0)
{
var buffer = new byte[bufferSize];
// Act
read = await stream.ReadAsync(buffer, 0, bufferSize);
if (read > 0)
{
buffers.Add(Encoding.ASCII.GetString(buffer, 0, read));
}
}
return(buffers);
}
