Describe(basic_tests) { It(test1){Assert::That(squared(10), Equals(100));} It(test2){Assert::That(squared(69), Equals(4761));} It(test3){Assert::That(squared(666), Equals(443556));} It(test4){Assert::That(squared(-21), Equals(441));} It(test5){Assert::That(squared(21), Equals(441));} }; // This proves that the square root of // a negative number isn't possible!