| public Compress ( int data, int algorithm ) : string | ||
| data | int | The fingerprint (array of 32-bit integers). |
| algorithm | int | The algorithm used to compute the fingerprint. |
| Результат | string | |
public string Compress(int[] data, int algorithm = 0)
{
if (data.Length > 0)
{
ProcessSubfingerprint((uint)data[0]);
for (int i = 1; i < data.Length; i++)
{
ProcessSubfingerprint((uint)data[i] ^ (uint)data[i - 1]);
}
}
int length = data.Length;
m_result = new List<byte>();
m_result.Add((byte)((int)algorithm & 255));
m_result.Add((byte)((length >> 16) & 255));
m_result.Add((byte)((length >> 8) & 255));
m_result.Add((byte)((length) & 255));
WriteNormalBits();
WriteExceptionBits();
return Base64.ByteEncoding.GetString(m_result.ToArray());
}
public void TestTwoItems()
{
FingerprintCompressor compressor = new FingerprintCompressor();
int[] fingerprint = { 1, 0 };
string value = compressor.Compress(fingerprint);
byte[] expected = { 0, 0, 0, 2, 65, 0 };
byte[] actual = Base64.ByteEncoding.GetBytes(value);
CollectionAssert.AreEqual(actual, expected);
}
