public void DeconstructIntoPrimeFactors_Twenty_ReturnsTwoTwoFive()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(20),
2, 2, 5);
}
public void DeconstructIntoPrimeFactors_One_ReturnsOne()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(1),
1);
}
public void DeconstructIntoPrimeFactors_Three_ReturnsThree()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(3),
3);
}
public void DeconstructIntoPrimeFactors_MinusTwo_ReturnsMinusTwo()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(-2),
-2);
}
public void DeconstructIntoPrimeFactors_MinusFour_ReturnsMinusOneMinusTwoMinusTwo()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(-4),
-2, -2, -1);
}
public void DeconstructIntoPrimeFactors_Four_ReturnsTwoTwo()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(4),
2, 2);
}
public void DeconstructIntoPrimeFactors__MultipliesToOriginal(int number)
{
var mul = Integer.DeconstructIntoPrimeFactors(number).Aggregate((x, y) => x * y);
Assert.AreEqual(number, mul);
}
public void DeconstructIntoPrimeFactors_Zero_ReturnsZero()
{
TestHelper.AssertSequence(
Integer.DeconstructIntoPrimeFactors(0),
0);
}