public void TestDecodeFingerprint()
{
byte[] data = { 55, 0, 0, 2, 65, 0 };
int algorithm;
int[] fingerprint = NativeChromaContext.DecodeFingerprint(data, false, out algorithm);
Assert.AreEqual(2, fingerprint.Length);
Assert.AreEqual(55, algorithm);
Assert.AreEqual(1, fingerprint[0]);
Assert.AreEqual(0, fingerprint[1]);
}
public void TestEncodeFingerprintBase64()
{
int[] fingerprint = { 1, 0 };
byte[] expected = Base64.ByteEncoding.GetBytes("NwAAAkEA");
byte[] encoded = NativeChromaContext.EncodeFingerprint(fingerprint, 55, true);
Assert.AreEqual(8, encoded.Length);
for (int i = 0; i < encoded.Length; i++)
{
Assert.AreEqual(expected[i], encoded[i]);
}
}
public void TestEncodeFingerprint()
{
int[] fingerprint = { 1, 0 };
byte[] expected = new byte[] { 55, 0, 0, 2, 65, 0 };
byte[] encoded = NativeChromaContext.EncodeFingerprint(fingerprint, 55, false);
Assert.AreEqual(6, encoded.Length);
for (int i = 0; i < 6; i++)
{
Assert.AreEqual(expected[i], encoded[i]);// << "Different at " << i;
}
}
public void Test2SilenceRawFp()
{
short[] zeroes = new short[1024];
var ctx = new NativeChromaContext();
ctx.Start(44100, 1);
for (int i = 0; i < 130; i++)
{
ctx.Feed(zeroes, 1024);
}
ctx.Finish();
int[] fp = ctx.GetRawFingerprint();
Assert.AreEqual(3, fp.Length);
Assert.AreEqual(627964279, fp[0]);
Assert.AreEqual(627964279, fp[1]);
Assert.AreEqual(627964279, fp[2]);
ctx.Dispose();
}
public void Test2SilenceFp()
{
short[] zeroes = new short[1024];
var ctx = new NativeChromaContext();
ctx.Start(44100, 1);
for (int i = 0; i < 130; i++)
{
ctx.Feed(zeroes, 1024);
}
ctx.Finish();
string fp = ctx.GetFingerprint();
int hash = ctx.GetFingerprintHash();
Assert.AreEqual(18, fp.Length);
Assert.AreEqual("AQAAA0mUaEkSRZEGAA", fp);
Assert.AreEqual(627964279, hash);
ctx.Dispose();
}
public void TestHashFingerprint()
{
int[] fingerprint = { 19681, 22345, 312312, 453425 };
Assert.AreEqual(17249, NativeChromaContext.HashFingerprint(fingerprint));
}
