public void VerifyMurmurHash()
{
var hFunc = new MurmurHash3_x86_32();
var x = VerificationTest(hFunc, 32, 0xB0F57EE3, true); // For MurmurHash3_x86_32
Assert.IsTrue(x);
var hFunc128 = new MurmurHash3_x64_128();
var y = VerificationTest(hFunc128, 128, 0x6384BA69, true); // For MurmurHash3_x64_128
Assert.IsTrue(y);
}
public static IEnumerable<KeyValuePair<string, string>> Gen(int size, int changedPercent)
{
var hFunc = new MurmurHash3_x64_128();
var modifiedPercent = changedPercent / 2;
var addedPercent = changedPercent / 2;
var modifiedCount = modifiedPercent * size / 100;
var addedCount = addedPercent * size / 100;
// Modified
for (var i = 0; i < modifiedCount; ++i)
{
var str = BitConverter.ToString(hFunc.ComputeHash(BitConverter.GetBytes(-i - 1)));
var valStr = str + str;
yield return new KeyValuePair<string, string>(i.ToString(), valStr);
}
// Original + added
for (var i = modifiedCount; i < size + addedCount; ++i)
{
var str = BitConverter.ToString(hFunc.ComputeHash(BitConverter.GetBytes(i)));
var valStr = str + str;
yield return new KeyValuePair<string, string>(i.ToString(), valStr);
}
}
