NextInt() public method

Reads next 32 bits and returns a non-negative integer.
public NextInt ( ) : int
return int
Beispiel #1
0
        public void IntegerValuesShouldBeReturnedInCycle(int length)
        {
            // Arrange
            var random = new DeterministicRandom(length);

            // Act
            var cycle1 = Enumerable.Range(1, length).Select(i => random.NextInt()).ToArray();
            var cycle2 = Enumerable.Range(1, length).Select(i => random.NextInt()).ToArray();
            var cycle3 = Enumerable.Range(1, length).Select(i => random.NextInt()).ToArray();

            // Assert
            CollectionAssert.AreEqual(cycle1, cycle2);
            CollectionAssert.AreEqual(cycle2, cycle3);
        }
        /// <remarks>
        /// This method relies on a feature of <see cref="JContainerGenerator"/> that
        /// the keys of properties are only non-negative numbers, chosen
        /// sequentially from 0 and not exceeding 9.
        /// </remarks>
        private string AddWildcards(string path)
        {
            var indexesToChange = new List <int>();

            for (var i = 0; i < path.Length; ++i)
            {
                var c = path[i];
                if (char.IsDigit(c))
                {
                    var useWildcard = random.NextInt() % 5 == 0; // 20% chance
                    if (useWildcard)
                    {
                        indexesToChange.Add(i);
                    }
                }
            }

            var builder = new StringBuilder(path);

            foreach (var index in indexesToChange)
            {
                builder[index] = '*';
            }

            return(builder.ToString());
        }
        public static void Shuffle <T>(this IList <T> list, DeterministicRandom random)
        {
            var elementsCount = list.Count;

            Shuffle(list, () => random.NextInt() % elementsCount);
        }
        public void IntegerValuesShouldBeReturnedInCycle(int length)
        {
            // Arrange
            var random = new DeterministicRandom(length);

            // Act
            var cycle1 = Enumerable.Range(1, length).Select(i => random.NextInt()).ToArray();
            var cycle2 = Enumerable.Range(1, length).Select(i => random.NextInt()).ToArray();
            var cycle3 = Enumerable.Range(1, length).Select(i => random.NextInt()).ToArray();

            // Assert
            CollectionAssert.AreEqual(cycle1, cycle2);
            CollectionAssert.AreEqual(cycle2, cycle3);
        }