public void TestNoEncryption()
{
CaesarCipher cipher = new CaesarCipher(0);
byte[] source = new byte[cipher.BlockSize];
byte[] encoded = new byte[source.Length];
byte[] decoded = new byte[source.Length];
foreach (var data in testData)
{
Encoding.ASCII.GetBytes(data, 0, data.Length, source, 0);
source.CopyTo(encoded, 0);
cipher.EncryptBlock(encoded, data.Length);
CollectionAssert.AreEqual(source, encoded);
encoded.CopyTo(decoded, 0);
cipher.DecryptBlock(decoded, data.Length);
CollectionAssert.AreEqual(encoded, decoded);
}
}
public void TestSimple()
{
CaesarCipher cipher = new CaesarCipher(1);
byte[] source = new byte[cipher.BlockSize];
byte[] encoded = new byte[source.Length];
byte[] decoded = new byte[source.Length];
byte[] temp = new byte[source.Length];
for (int i = 0; i < testData.Length; ++i)
{
String sourceData = testData[i];
String expectedData = plusOneEncrypted[i];
Encoding.ASCII.GetBytes(sourceData, 0, sourceData.Length, source, 0);
Encoding.ASCII.GetBytes(expectedData, 0, expectedData.Length, temp, 0);
source.CopyTo(encoded, 0);
cipher.EncryptBlock(encoded, sourceData.Length);
CollectionAssert.AreEqual(temp, encoded);
encoded.CopyTo(decoded, 0);
cipher.DecryptBlock(decoded, sourceData.Length);
CollectionAssert.AreEqual(source, decoded);
}
}
