public void N2_GetAll()
{
var primes = new PrimeNumbers(2).ToArray();
Assert.Single(primes);
Assert.Equal(2, primes[0]);
}
public void CountPrimesUpTo10K()
{
var primes = new PrimeNumbers(10000);
Assert.Equal(10000, primes.N);
Assert.Equal(1229, primes.Count);
}
public void N4_GetAll()
{
var primes = new PrimeNumbers(4).ToArray();
Assert.Equal(2, primes.Length);
Assert.Equal(2, primes[0]);
Assert.Equal(3, primes[1]);
}
public void N0_TestIfPrime()
{
var primes = new PrimeNumbers(0);
Assert.Equal(0, primes.N);
Assert.Equal(0, primes.Count);
Assert.False(primes.IsPrime(0));
}
public void T4()
{
var N = 211;
var primeNumbers = new PrimeNumbers(N); // the sieve
var largest = primeNumbers.Last(); // using LINQ to get the largest prime less or equal to N.
Assert.Equal(211, largest);
}
public void T2()
{
var N = 211;
var primeNumbers = new PrimeNumbers(N); // the sieve
var numberOfPrimes = primeNumbers.Count; // will be 47 if N = 211
Assert.Equal(47, numberOfPrimes);
}
public void T3()
{
var N = 211;
var primeNumbers = new PrimeNumbers(N); // the sieve
Assert.True(primeNumbers.IsPrime(101)); // true
Assert.False(primeNumbers.IsPrime(210)); // false
Assert.True(primeNumbers.IsPrime(211)); // true
}
public void IsPrimeTest()
{
var primes = new PrimeNumbers(10000);
for (long i = 0; i <= primes.N; i++)
{
var expected = primes.IsPrime(i);
Assert.Equal(expected, i.IsPrime());
}
}
public void N2_TestIfPrime()
{
var primes = new PrimeNumbers(2);
Assert.Equal(2, primes.N);
Assert.Equal(1, primes.Count);
Assert.False(primes.IsPrime(0));
Assert.False(primes.IsPrime(1));
Assert.True(primes.IsPrime(2));
}
public void N8_GetAll()
{
var primes = new PrimeNumbers(7).ToArray();
Assert.Equal(4, primes.Length);
Assert.Equal(2, primes[0]);
Assert.Equal(3, primes[1]);
Assert.Equal(5, primes[2]);
Assert.Equal(7, primes[3]);
}
public void N5_TestIfPrime()
{
var primes = new PrimeNumbers(5);
Assert.Equal(5, primes.N);
Assert.Equal(3, primes.Count);
Assert.False(primes.IsPrime(0));
Assert.False(primes.IsPrime(1));
Assert.True(primes.IsPrime(2));
Assert.True(primes.IsPrime(3));
Assert.False(primes.IsPrime(4));
Assert.True(primes.IsPrime(5));
}
public void N103_TestIfPrime(long N, long n, bool expected)
{
var primes = new PrimeNumbers(N);
Assert.Equal(expected, primes.IsPrime(n));
}
public void N1_GetAll()
{
var primes = new PrimeNumbers(1);
Assert.Empty(primes);
}
