< Summary - Jellyfin

Information

Class:	Jellyfin.Extensions.ShuffleExtensions
Assembly:	Jellyfin.Extensions
File(s):	/srv/git/jellyfin/src/Jellyfin.Extensions/ShuffleExtensions.cs

Line coverage

100%

Branch coverage

100%

Method coverage

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Coverage history

Method	Branch coverage	Crap Score	Cyclomatic complexity	Line coverage
Shuffle(...)	100%	1	1	100%
Shuffle(...)	100%	2	2	100%

#	Line	Line coverage
	`1`	`using System;`
	`2`	`using System.Collections.Generic;`
	`3`
	`4`	`namespace Jellyfin.Extensions`
	`5`	`{`
	`6`	`/// <summary>`
	`7`	`/// Provides <c>Shuffle</c> extensions methods for <see cref="IList{T}" />.`
	`8`	`/// </summary>`
	`9`	`public static class ShuffleExtensions`
	`10`	`{`
	`11`	`/// <summary>`
	`12`	`/// Shuffles the items in a list.`
	`13`	`/// </summary>`
	`14`	`/// <param name="list">The list that should get shuffled.</param>`
	`15`	`/// <typeparam name="T">The type.</typeparam>`
	`16`	`public static void Shuffle<T>(this IList<T> list)`
	`17`	`{`
1	`18`	`list.Shuffle(Random.Shared);`
1	`19`	`}`
	`20`
	`21`	`/// <summary>`
	`22`	`/// Shuffles the items in a list.`
	`23`	`/// </summary>`
	`24`	`/// <param name="list">The list that should get shuffled.</param>`
	`25`	`/// <param name="rng">The random number generator to use.</param>`
	`26`	`/// <typeparam name="T">The type.</typeparam>`
	`27`	`public static void Shuffle<T>(this IList<T> list, Random rng)`
	`28`	`{`
1	`29`	`int n = list.Count;`
64	`30`	`while (n > 1)`
	`31`	`{`
63	`32`	`int k = rng.Next(n--);`
63	`33`	`T value = list[k];`
63	`34`	`list[k] = list[n];`
63	`35`	`list[n] = value;`
	`36`	`}`
1	`37`	`}`
	`38`	`}`
	`39`	`}`