Exemplo n.º 1
0
        public void IsMultipleOfFive_WhenGivenNonMultipleOfFive_ShouldReturnFalse()
        {
            const Int32 value  = 6;
            Boolean     actual = IntegerHelper.IsMultipleOfFive(value);

            Assert.That(actual, Is.False);
        }
Exemplo n.º 2
0
        public void IsMultipleOfThree_WhenGivenAMultipleOfThree_ShouldReturnTrue()
        {
            const Int32 value  = 6;
            Boolean     actual = IntegerHelper.IsMultipleOfThree(value);

            Assert.That(actual, Is.True);
        }
Exemplo n.º 3
0
        public void SumRange_ShouldSumGivenRange()
        {
            const Int32 initial  = 1;
            const Int32 maximum  = 10;
            const Int32 expected = 45;

            // Int32[] values = {1, 2, 3, 4, 5, 6, 7, 8, 9};
            Int32 actual = IntegerHelper.SumRange(initial, maximum);

            Assert.That(actual, Is.EqualTo(expected));
        }
Exemplo n.º 4
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        public void GetRange_WhenGivenAMinimumAndMaximumValue_ShouldReturnRangeOfIntegersBetweenValues()
        {
            const Int32 initial = 1;
            const Int32 maximum = 10;

            Int32[] values = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
            Int32[] actual = IntegerHelper.GetRange(initial, maximum).ToArray();

            Assert.That(actual, Is.Not.Empty);
            Assert.That(actual, Is.EqualTo(values));
        }
Exemplo n.º 5
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        public void SumRange_WithGivenConditions_ShouldReturnSumOfRange()
        {
            const Int32 initial  = 1;
            const Int32 maximum  = 10;
            const Int32 expected = 23;

            //Int32[] values = { 3, 5, 6, 9 };
            Func <Int32, Boolean>[] conditions = { IntegerHelper.IsMultipleOfThree, IntegerHelper.IsMultipleOfFive };
            Int32 actual = IntegerHelper.SumRange(initial, maximum, conditions);

            Assert.That(actual, Is.EqualTo(expected));
        }
Exemplo n.º 6
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        public void GetRange_WhenGivenStartAndMaximumValueWithConditions_ShouldReturnRangeOfIntegersMatchingThoseConditions()
        {
            const Int32 initial = 1;
            const Int32 maximum = 10;

            Int32[] values = { 3, 5, 6, 9 };
            Func <Int32, Boolean>[] conditions = { IntegerHelper.IsMultipleOfThree, IntegerHelper.IsMultipleOfFive };

            Int32[] actual = IntegerHelper.GetRange(initial, maximum, conditions).ToArray();

            Assert.That(actual, Is.Not.Empty);
            Assert.That(actual, Is.EqualTo(values));
        }
Exemplo n.º 7
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        public static void Main(string[] args)
        {
            Console.Title = "Problem One: Sum all multiples of 3 and 5 below 1000.";

            /*
             * Problem One:
             *
             * If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.
             * Find the sum of all the multiples of 3 or 5 below 1000.
             */

            Func <Int32, Boolean>[] conditions = { x => (x % 3) == 0, x => (x % 5) == 0 };
            Stopwatch watch;
            Boolean   exit = false;

            do
            {
                Console.Write("Enter a starting value: ");
                String value = Console.ReadLine();

                Int32 startingValue;
                if (!Int32.TryParse(value, out startingValue))
                {
                    Console.WriteLine("Bad argument given.");
                    Console.ReadKey(true);
                    return;
                }

                Console.Write("Enter a final value: ");
                value = Console.ReadLine();

                Int32 finalValue;
                if (!Int32.TryParse(value, out finalValue))
                {
                    Console.WriteLine("Bad argument given.");
                    Console.ReadKey(true);
                    return;
                }

                watch = Stopwatch.StartNew();
                Console.WriteLine("Calculating sum...");

                Int32 sum = IntegerHelper.SumRange(startingValue, finalValue, conditions);

                watch.Stop();

                Console.WriteLine("Completed in {0:##.000}ms. Sum from {1} to {2} is {3}",
                                  watch.ElapsedMilliseconds,
                                  startingValue,
                                  finalValue,
                                  sum);

                Console.Write("Would you like to try again? [y/n] [default: y] ");
                value = Console.ReadLine();

                if (value != null && value.Equals("n", StringComparison.OrdinalIgnoreCase))
                {
                    exit = true;
                }

                Console.Clear();
            } while (!exit);
        }