public void TestGetOnesAndZeros()
{
// ARRANGE
BitmapEncoder bmpEnc = new BitmapEncoder();
byte[] file = new byte[] { 10, 249, 12, 1, 180, 29, 2, 78, 45, 12, 12, 13, 69, 45, 78, 111 };
byte[] IV = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
byte[] bothTogether = new byte[IV.Length + file.Length];
byte[] parsedBytes;
for (int i = 0; i < IV.Length; i++)
{
bothTogether[i] = IV[i];
}
for (int i = IV.Length; i < bothTogether.Length; i++)
{
bothTogether[i] = file[i - IV.Length];
}
// ACT
BitArray ba = bmpEnc.GetOnesAndZeros(IV, file);
parsedBytes = new byte[ba.Count / 8];
int byteIndex = 0, bitIndex = 0;
for (int i = 0; i < ba.Count; i++)
{
if (ba[i])
{
parsedBytes[byteIndex] |= (byte)(1 << (7 - bitIndex));
}
bitIndex++;
if (bitIndex == 8)
{
bitIndex = 0;
byteIndex++;
}
}
// ASSERT
for (int i = 0; i < parsedBytes.Length; i++)
{
Assert.AreEqual(parsedBytes[i], bothTogether[i]);
}
}
