public void TestFactorialOfOneIsOne() { // act BigInteger result1 = BigIntegerMathLib.Factorial1(1); BigInteger result2 = BigIntegerMathLib.Factorial2(1); // assert BigInteger one = 1; Assert.AreEqual(one, result1); Assert.AreEqual(one, result2); }
public void TestBothVersionsOfFactorialAreEqual() { for (BigInteger n = 0; n < 100; n++) { // act BigInteger factorial1 = BigIntegerMathLib.Factorial1(n); BigInteger factorial2 = BigIntegerMathLib.Factorial2(n); // assert Assert.AreEqual(factorial1, factorial2); } }
public void TestFactorialBigIntegerEqualsFactorialInt() { for (int n = 0; n < 10; n++) { // act int factorial0 = BigIntegerMathLib.Factorial0(n); BigInteger factorial1 = BigIntegerMathLib.Factorial1(n); // assert Assert.AreEqual((BigInteger)factorial0, factorial1); Assert.AreEqual(factorial0, (int)factorial1); } }
public void TestFactorial1OfNegativeNumberThrowsArgumentException() { // assert Assert.That(() => BigIntegerMathLib.Factorial1(-1), Throws.TypeOf <ArgumentException>()); }