public void CapacityExistingItemsTest()
{
// arrange
ByteCircularBuffer target;
int expectedCapacity;
byte[] expectedItems;
int expectedSize;
expectedCapacity = 10;
expectedSize = 2;
expectedItems = new byte[]
{
1,
2
};
target = new ByteCircularBuffer(3);
target.Put(1);
target.Put(2);
// act
target.Capacity = expectedCapacity;
// assert
target.Capacity.Should().
Be(expectedCapacity);
target.Size.Should().
Be(expectedSize);
target.ToArray().
Should().
Equal(expectedItems);
}
public void ToArrayTest()
{
// arrange
ByteCircularBuffer target;
byte[] actual;
byte[] expected;
target = new ByteCircularBuffer(10);
target.Put(1);
target.Put(2);
target.Put(3);
target.Put(4);
expected = new byte[]
{
1,
2,
3,
4
};
// act
actual = target.ToArray();
// assert
actual.Should().
Equal(expected);
}
public void PutArrayTest()
{
// arrange
byte[] expected = this.GenerateRandomData(100);
ByteCircularBuffer target = new ByteCircularBuffer(expected.Length);
// act
target.Put(expected);
// assert
target.ToArray().
Should().
Equal(expected);
}
public override void Decrypt(byte[] buf, int length, byte[] outbuf, out int outlength)
{
Debug.Assert(_decCircularBuffer != null, "_circularBuffer != null");
_decCircularBuffer.Put(buf, 0, length);
if (!_decryptIVReceived)
{
if (_decCircularBuffer.Size <= ivLen)
{
// we need more data
outlength = 0;
return;
}
// start decryption
_decryptIVReceived = true;
byte[] iv = _decCircularBuffer.Get(ivLen);
initCipher(iv, false);
}
byte[] cipher = _decCircularBuffer.ToArray();
cipherUpdate(false, cipher.Length, cipher, outbuf);
_decCircularBuffer.Clear();
outlength = cipher.Length;
// done the decryption
}
public override void Decrypt(byte[] buf, int length, byte[] outbuf, out int outlength)
{
_decCircularBuffer.Put(buf, 0, length);
if (!_decryptIVReceived)
{
if (_decCircularBuffer.Size <= ivLen)
{
// we need more data
outlength = 0;
return;
}
// start decryption
_decryptIVReceived = true;
var iv = ivLen == 0 ? new byte[0] : _decCircularBuffer.Get(ivLen); //none rc4
InitCipher(iv, false);
}
var cipher = _decCircularBuffer.ToArray();
CipherUpdate(false, cipher.Length, cipher, outbuf);
// move pointer only
_decCircularBuffer.Skip(_decCircularBuffer.Size);
outlength = cipher.Length;
// done the decryption
}
