#include unsigned int Factorial(unsigned int number) { return number <= 1 ? number : Factorial(number - 1) * number; } TEST_CASE("Factorials are computed", "[factorial]") { REQUIRE(Factorial(1) == 1); REQUIRE(Factorial(2) == 2); REQUIRE(Factorial(3) == 6); REQUIRE(Factorial(10) == 3628800); }