private static byte[] RanRandomOperations(CircularBuffer sut, byte[] input, Random random)
{
var output = new byte[input.Length];
var writeOffset = 0;
var stream = sut.WriteStream;
while (writeOffset < input.Length || sut.BytesReady > 0)
{
var operation = writeOffset == input.Length || random.Next(2) == 0
? Operation.Read
: Operation.Write;
if (operation == Operation.Write)
{
var length = Math.Min(input.Length - writeOffset, random.Next(1, 100 * kb));
stream.Write(input, writeOffset, length);
writeOffset += length;
}
else
{
var length = Math.Min(sut.BytesReady, random.Next(1, 100 * kb));
sut.Read(output.AsSpan((int)sut.BytesCut, length));
sut.Cut(length);
}
}
return(output);
}
public void Update_Bytes_Cut_And_Bytes_Ready_On_Cut()
{
var sut = new CircularBuffer(ArrayPool <byte> .Shared);
sut.WriteStream.Write(new byte[] { 7, 5, 6, 8, 17, 93 }, 0, 6);
sut.Cut(2);
(sut.BytesReady, sut.BytesCut).Should().Be(
(4, 2)
);
}
public void Drop_On_Cut()
{
var sut = new CircularBuffer(ArrayPool <byte> .Shared);
sut.WriteStream.Write(new byte[] { 7, 5, 6, 8 }, 0, 4);
sut.Cut(2);
var result = new byte[2];
sut.Read(new Span <byte>(result));
result.Should().Equal(6, 8);
}
