public void ToDigitArray_WhenPassedANegative_ThrowsAnException()
{
var hp = new HappyPrimes();
var aNegativeInteger = -1234;
Assert.Throws <NotImplementedException>(() => hp.ToDigitArray(aNegativeInteger));
}
public void IsPrime_GivenNonPrime_ReturnsFalse(int notAPrimeNumber)
{
var hp = new HappyPrimes();
var actualResult = hp.IsPrime(notAPrimeNumber);
var expectedResult = false;
Assert.AreEqual(expectedResult, actualResult);
}
public void IsPrime_GivenAPrime_ReturnsTrue(int aPrimeNumber)
{
var hp = new HappyPrimes();
var actualResult = hp.IsPrime(aPrimeNumber);
var expectedResult = true;
Assert.AreEqual(expectedResult, actualResult);
}
public void ToDigitArray_Normally_ReturnsCorrectArray()
{
var hp = new HappyPrimes();
var actualResult = hp.ToDigitArray(234);
var expectedResult = new int[] { 2, 3, 4 };
Assert.AreEqual(expectedResult, actualResult);
}
public void IsHappyPrime_GivenNonHappyPrimes_ReturnsFalse(int unhappyPrime)
{
var hp = new HappyPrimes();
var actualResult = hp.IsHappyPrime(unhappyPrime);
var expectedResult = false;
Assert.AreEqual(expectedResult, actualResult);
}
public void IsHappyPrime_GivenHappyPrimes_ReturnsTrue(int happyPrime)
{
var hp = new HappyPrimes();
var actualResult = hp.IsHappyPrime(happyPrime);
var expectedResult = true;
Assert.AreEqual(expectedResult, actualResult);
}
public void IsPrime_GivenInvalidNonComposite_ThrowsException(int invalidNonComposite)
{
var hp = new HappyPrimes();
Assert.Throws <ArithmeticException>(() => hp.IsPrime(invalidNonComposite));
}