public void Max_int32_argument_possible_2_147_483_647_is_prime()
        {
            int max_int32_argument_possible = 2147483647;

            Assert.IsTrue(BetterPrimeCalculator.IsPrime(max_int32_argument_possible));
        }
        public void Calculate_from_a_big_number_of_prime_numbers()
        {
            int[] _600primeNumbersArray = new int[] {
                2, 3, 5, 7, 11, 13, 17, 19, 23, 29,
                31, 37, 41, 43, 47, 53, 59, 61, 67, 71,
                73, 79, 83, 89, 97, 101, 103, 107, 109, 113,
                127, 131, 137, 139, 149, 151, 157, 163, 167, 173,
                179, 181, 191, 193, 197, 199, 211, 223, 227, 229,
                233, 239, 241, 251, 257, 263, 269, 271, 277, 281,
                283, 293, 307, 311, 313, 317, 331, 337, 347, 349,
                353, 359, 367, 373, 379, 383, 389, 397, 401, 409,
                419, 421, 431, 433, 439, 443, 449, 457, 461, 463,
                467, 479, 487, 491, 499, 503, 509, 521, 523, 541,
                547, 557, 563, 569, 571, 577, 587, 593, 599, 601,
                607, 613, 617, 619, 631, 641, 643, 647, 653, 659,
                661, 673, 677, 683, 691, 701, 709, 719, 727, 733,
                739, 743, 751, 757, 761, 769, 773, 787, 797, 809,
                811, 821, 823, 827, 829, 839, 853, 857, 859, 863,
                877, 881, 883, 887, 907, 911, 919, 929, 937, 941,
                947, 953, 967, 971, 977, 983, 991, 997, 1009, 1013,
                1019, 1021, 1031, 1033, 1039, 1049, 1051, 1061, 1063, 1069,
                1087, 1091, 1093, 1097, 1103, 1109, 1117, 1123, 1129, 1151,
                1153, 1163, 1171, 1181, 1187, 1193, 1201, 1213, 1217, 1223,
                1229, 1231, 1237, 1249, 1259, 1277, 1279, 1283, 1289, 1291,
                1297, 1301, 1303, 1307, 1319, 1321, 1327, 1361, 1367, 1373,
                1381, 1399, 1409, 1423, 1427, 1429, 1433, 1439, 1447, 1451,
                1453, 1459, 1471, 1481, 1483, 1487, 1489, 1493, 1499, 1511,
                1523, 1531, 1543, 1549, 1553, 1559, 1567, 1571, 1579, 1583,
                1597, 1601, 1607, 1609, 1613, 1619, 1621, 1627, 1637, 1657,
                1663, 1667, 1669, 1693, 1697, 1699, 1709, 1721, 1723, 1733,
                1741, 1747, 1753, 1759, 1777, 1783, 1787, 1789, 1801, 1811,
                1823, 1831, 1847, 1861, 1867, 1871, 1873, 1877, 1879, 1889,
                1901, 1907, 1913, 1931, 1933, 1949, 1951, 1973, 1979, 1987,
                1993, 1997, 1999, 2003, 2011, 2017, 2027, 2029, 2039, 2053,
                2063, 2069, 2081, 2083, 2087, 2089, 2099, 2111, 2113, 2129,
                2131, 2137, 2141, 2143, 2153, 2161, 2179, 2203, 2207, 2213,
                2221, 2237, 2239, 2243, 2251, 2267, 2269, 2273, 2281, 2287,
                2293, 2297, 2309, 2311, 2333, 2339, 2341, 2347, 2351, 2357,
                2371, 2377, 2381, 2383, 2389, 2393, 2399, 2411, 2417, 2423,
                2437, 2441, 2447, 2459, 2467, 2473, 2477, 2503, 2521, 2531,
                2539, 2543, 2549, 2551, 2557, 2579, 2591, 2593, 2609, 2617,
                2621, 2633, 2647, 2657, 2659, 2663, 2671, 2677, 2683, 2687,
                2689, 2693, 2699, 2707, 2711, 2713, 2719, 2729, 2731, 2741,
                2749, 2753, 2767, 2777, 2789, 2791, 2797, 2801, 2803, 2819,
                2833, 2837, 2843, 2851, 2857, 2861, 2879, 2887, 2897, 2903,
                2909, 2917, 2927, 2939, 2953, 2957, 2963, 2969, 2971, 2999,
                3001, 3011, 3019, 3023, 3037, 3041, 3049, 3061, 3067, 3079,
                3083, 3089, 3109, 3119, 3121, 3137, 3163, 3167, 3169, 3181,
                3187, 3191, 3203, 3209, 3217, 3221, 3229, 3251, 3253, 3257,
                3259, 3271, 3299, 3301, 3307, 3313, 3319, 3323, 3329, 3331,
                3343, 3347, 3359, 3361, 3371, 3373, 3389, 3391, 3407, 3413,
                3433, 3449, 3457, 3461, 3463, 3467, 3469, 3491, 3499, 3511,
                3517, 3527, 3529, 3533, 3539, 3541, 3547, 3557, 3559, 3571,
                3581, 3583, 3593, 3607, 3613, 3617, 3623, 3631, 3637, 3643,
                3659, 3671, 3673, 3677, 3691, 3697, 3701, 3709, 3719, 3727,
                3733, 3739, 3761, 3767, 3769, 3779, 3793, 3797, 3803, 3821,
                3823, 3833, 3847, 3851, 3853, 3863, 3877, 3881, 3889, 3907,
                3911, 3917, 3919, 3923, 3929, 3931, 3943, 3947, 3967, 3989,
                4001, 4003, 4007, 4013, 4019, 4021, 4027, 4049, 4051, 4057,
                4073, 4079, 4091, 4093, 4099, 4111, 4127, 4129, 4133, 4139,
                4153, 4157, 4159, 4177, 4201, 4211, 4217, 4219, 4229, 4231,
                4241, 4243, 4253, 4259, 4261, 4271, 4273, 4283, 4289, 4297,
                4327, 4337, 4339, 4349, 4357, 4363, 4373, 4391, 4397, 4409
            };

            foreach (int n in _600primeNumbersArray)
            {
                Assert.IsTrue(BetterPrimeCalculator.IsPrime(n));
            }
        }
        public void Return_false_if_argument_is_not_prime()
        {
            int notAPrimeInt = 18;

            Assert.IsFalse(BetterPrimeCalculator.IsPrime(notAPrimeInt));
        }
        public void Return_true_if_argument_is_prime()
        {
            int aPrimeInt = 17;

            Assert.IsTrue(BetterPrimeCalculator.IsPrime(aPrimeInt));
        }
 public void One_is_not_prime()
 {
     Assert.IsFalse(BetterPrimeCalculator.IsPrime(1));
 }
 public void Zero_is_not_prime()
 {
     Assert.IsFalse(BetterPrimeCalculator.IsPrime(0));
 }
        public void Negative_argument_throws_ArgumentException()
        {
            int aNegativeInt = -17;

            BetterPrimeCalculator.IsPrime(aNegativeInt);
        }