public static void CheckInvalidHashFunctionString()
{
string hashValue = null;
PrimeHashingFamily hashFamily = new PrimeHashingFamily(1);
Assert.Throws <ArgumentException>(() => hashFamily.Hash(hashValue, 1));
}
public static void CheckInvalidHashFunction()
{
int hashValue = "főzelék".GetHashCode();
PrimeHashingFamily hashFamily = new PrimeHashingFamily(1);
Assert.Throws <ArgumentOutOfRangeException>(() => hashFamily.Hash(hashValue, 0));
}
public static void CheckHashIdenticalString()
{
PrimeHashingFamily hash1 = new PrimeHashingFamily(10);
PrimeHashingFamily hash2 = new PrimeHashingFamily(10);
string hashValue = "főzelék";
for (int i = 1; i < hash1.NumberOfFunctions; i++)
{
int result1 = hash1.Hash(hashValue, i);
int result2 = hash2.Hash(hashValue, i);
Assert.Equal(result1, result2);
}
}
public static void CheckHashIdenticalInt()
{
PrimeHashingFamily hash1 = new PrimeHashingFamily(5);
PrimeHashingFamily hash2 = new PrimeHashingFamily(5);
int hashValue = "főzelék".GetHashCode();
for (int i = 1; i < hash1.NumberOfFunctions; i++)
{
int result1 = hash1.Hash(hashValue, i);
int result2 = hash2.Hash(hashValue, i);
Assert.Equal(result1, result2);
}
}
public static void CheckInvalidHashConstruction()
{
PrimeHashingFamily hashFamily;
Assert.Throws <ArgumentOutOfRangeException>(() => hashFamily = new PrimeHashingFamily(0));
}