public void FailsWhenFirstArgIsNull()
{
var rng = new Random();
IList <int> a = null;
Assert.Throws <ArgumentNullException>(() => ShuffleOps.ShuffleInPlace(a, rng));
}
public void FailsWhenSecondArgIsNull()
{
Random rng = null;
var a = new List <int> {
1, 2, 3, 4, 5, 6
};
Assert.Throws <ArgumentNullException>(() => ShuffleOps.ShuffleInPlace(a, rng));
}
public void ReadmeExampleWorks()
{
var rng = new Random(Seed: 5);
var a = new List <int> {
1, 2, 3, 4, 5, 6
};
ShuffleOps.ShuffleInPlace(a, rng);
Assert.Equal(new[] { 6, 1, 4, 5, 2, 3 }, a);
}
private static void Example1()
{
var rng = new Random(Seed: 5);
var a = new List <int> {
1, 2, 3, 4, 5, 6
};
ShuffleOps.ShuffleInPlace(a, rng);
Console.WriteLine(string.Join(", ", a));
}
/// <summary>Shuffles a <see cref="IList{T}"/>.</summary>
/// <typeparam name="T">Type of items in <paramref name="list"/>.</typeparam>
/// <param name="source">The random number generator to use.</param>
/// <param name="list">The list to shuffle.</param>
/// <exception cref="ArgumentNullException">If <paramref name="list"/> is null - or <paramref name="source"/> is null.</exception>
public static void Shuffle <T>(this Random source, IList <T> list)
=> ShuffleOps.ShuffleInPlace(list, source);
