Random

1 type derived from Random

System.Private.CoreLib (1)

src\libraries\System.Private.CoreLib\src\System\Random.cs (1)

360private sealed class ThreadSafeRandom : Random

26 instantiations of Random

HttpStress (1)

Program.cs (1)

636_random = new Random(Combine(seed, taskNum)); // derived from global seed and worker number

ILCompiler.DependencyAnalysisFramework (1)

DependencyAnalyzer.cs (1)

112stackPopRandomizer = new Random(seed);

KeyManagementSimulator (2)

Program.cs (2)

93var productRandom = new Random(seed); 94var simulatorRandom = new Random(productRandom.Next());

Microsoft.Arcade.Common (1)

ExponentialRetry.cs (1)

13private Random _random = new Random();

Microsoft.AspNetCore.Components.Server.Tests (2)

Circuits\RemoteJSDataStreamTest.cs (2)

52var random = new Random(); 80var random = new Random();

Microsoft.AspNetCore.InternalTesting.Tests (1)

QuarantinedTestAttributeTest.cs (1)

27Assert.True(new Random().Next(100) <= 80);

Microsoft.AspNetCore.Server.Kestrel.Core.Tests (2)

BufferWriterTests.cs (1)

217new Random(length).NextBytes(data);

src\Shared\test\Shared.Tests\runtime\Http2\HuffmanDecodingTests.cs (1)

133new Random(42).NextBytes(data);

Microsoft.AspNetCore.Shared.Tests (1)

runtime\Http2\HuffmanDecodingTests.cs (1)

133new Random(42).NextBytes(data);

Microsoft.Build.Engine.UnitTests (2)

BuildEventArgsSerialization_Tests.cs (1)

471(AssemblyLoadingContext)(new Random().Next(Enum.GetNames(typeof(AssemblyLoadingContext)).Length));

Evaluation\Expander_Tests.cs (1)

1587xmlattribute.Value = "abc123" + new Random().Next();

Microsoft.Build.Framework (1)

StringUtils.cs (1)

25Random random = new();

Microsoft.Build.Framework.UnitTests (1)

AssemblyLoadBuildEventArgs_Tests.cs (1)

22(AssemblyLoadingContext)(new Random().Next(Enum.GetNames(typeof(AssemblyLoadingContext)).Length));

Microsoft.DotNet.Helix.Sdk (1)

AzureDevOpsTask.cs (1)

168private static readonly Random s_rand = new Random();

Microsoft.Extensions.Caching.Hybrid.Tests (3)

DistributedCacheTests.cs (3)

68new Random().NextBytes(expected); 114new Random().NextBytes(expected); 271var rand = new Random();

Microsoft.Extensions.Caching.MicroBenchmarks (1)

DistributedCacheBenchmarks.cs (1)

21private readonly Random random = new Random();

PresentationFramework (1)

System\Windows\Documents\FixedPageStructure.cs (1)

455Random random = new Random();

System.Text.RegularExpressions (3)

System\Text\RegularExpressions\Regex.Cache.cs (1)

57private static readonly Random s_random = new Random();

System\Text\RegularExpressions\Symbolic\SymbolicRegexMatcher.Sample.cs (2)

38Random random = randomseed != 0 ? new Random(randomseed) : new Random();

System.Text.RegularExpressions.Generator (1)

RegexGenerator.Emitter.cs (1)

1464Random stackCookieGenerator = new(12345); // seed for deterministic behavior

Wasm.Performance.TestApp (1)

Person.cs (1)

20var rng = new Random(0);

102 references to Random

BlazorServerApp (2)

Data\WeatherForecastService.cs (2)

18TemperatureC = Random.Shared.Next(-20, 55), 19Summary = Summaries[Random.Shared.Next(Summaries.Length)]

BlazorUnitedApp (2)

Data\WeatherForecastService.cs (2)

18TemperatureC = Random.Shared.Next(-20, 55), 19Summary = Summaries[Random.Shared.Next(Summaries.Length)]

HeaderPropagationSample (1)

Startup.cs (1)

113if (Random.Shared.NextDouble() > threshold)

HostedBlazorWebassemblyApp.Server (2)

Data\WeatherForecastService.cs (2)

24TemperatureC = Random.Shared.Next(-20, 55), 25Summary = Summaries[Random.Shared.Next(Summaries.Length)]

HttpStress (2)

Program.cs (2)

66seed: cmdline.ValueForOption<int?>("-seed") ?? Random.Shared.Next()); 632private readonly Random _random;

IIS.FunctionalTests (2)

src\Servers\IIS\IIS\test\Common.FunctionalTests\AspNetCorePortTests.cs (1)

159var port = Random.Shared.Next(_minPort, _maxPort);

src\Servers\IIS\IIS\test\Common.FunctionalTests\RequestResponseTests.cs (1)

733var disconnectAfter = Random.Shared.Next(maxRequestSize);

IISExpress.FunctionalTests (2)

src\Servers\IIS\IIS\test\Common.FunctionalTests\AspNetCorePortTests.cs (1)

159var port = Random.Shared.Next(_minPort, _maxPort);

src\Servers\IIS\IIS\test\Common.FunctionalTests\RequestResponseTests.cs (1)

733var disconnectAfter = Random.Shared.Next(maxRequestSize);

ILCompiler.DependencyAnalysisFramework (3)

DependencyAnalyzer.cs (3)

48private readonly Random _randomizer; 50public RandomInsertStack(Random randomizer = null) 107Random stackPopRandomizer = null;

InMemory.FunctionalTests (2)

src\Servers\Kestrel\shared\test\ServerRetryHelper.cs (2)

22var nextPortAttempt = 30000 + Random.Shared.Next(10000); 37nextPortAttempt = port + Random.Shared.Next(100);

Interop.FunctionalTests (2)

src\Servers\Kestrel\shared\test\ServerRetryHelper.cs (2)

22var nextPortAttempt = 30000 + Random.Shared.Next(10000); 37nextPortAttempt = port + Random.Shared.Next(100);

JwtClientSample (1)

Program.cs (1)

72nextMsgAt = Random.Shared.Next(2, 5);

KeyManagementSimulator (9)

Program.cs (9)

85seed = Random.Shared.Next(); 93var productRandom = new Random(seed); 94var simulatorRandom = new Random(productRandom.Next()); 326public AppInstance(int instanceNumber, IXmlEncryptor encryptor, IXmlDecryptor decryptor, IXmlRepository repository, Random productRandom) 471private readonly Random _random; 483public FlakyObject(Random random, double pFail) 520sealed class FlakyXmlRepository(Random random, double pFail) : FlakyObject(random, pFail), IXmlRepository 551sealed class FlakyXmlEncryptor(Random random, double pFail) : FlakyObject(random, pFail), IXmlEncryptor 570sealed class FlakyXmlDecryptor(Random random, double pFail) : FlakyObject(random, pFail), IXmlDecryptor

Microsoft.Arcade.Common (1)

ExponentialRetry.cs (1)

13private Random _random = new Random();

Microsoft.AspNetCore.Components.Server.Tests (2)

Circuits\RemoteJSDataStreamTest.cs (2)

52var random = new Random(); 80var random = new Random();

Microsoft.AspNetCore.DataProtection (2)

KeyManagement\KeyRingProvider.cs (2)

65JitterRandom = Random.Shared; 72internal Random JitterRandom { get; set; }

Microsoft.AspNetCore.Identity.Specification.Tests (2)

UserManagerSpecificationTests.cs (2)

304var email = "foo" + Random.Shared.Next() + "@example.com"; 305var newEmail = "bar" + Random.Shared.Next() + "@example.com";

Microsoft.AspNetCore.InternalTesting.Tests (2)

HttpClientSlimTest.cs (2)

72var random = Random.Shared;

Microsoft.AspNetCore.OpenApi.Tests (1)

Services\OpenApiComponentService\OpenApiComponentService.ResponseSchemas.cs (1)

101static Todo? GetTodo() => Random.Shared.Next() < 0.5 ? new Todo(1, "Test Title", true, DateTime.Now) : null;

Microsoft.AspNetCore.OutputCaching.Microbenchmarks (7)

EndToEndBenchmarks.cs (7)

53Random.Shared.NextBytes(_payloadOversized); 80var rand = Random.Shared; 93var rand = Random.Shared; 108var rand = Random.Shared;

Microsoft.AspNetCore.OutputCaching.StackExchangeRedis (1)

RedisOutputCacheStore.cs (1)

98var secondsWithJitter = 300 + Random.Shared.Next(-30, 30);

Microsoft.AspNetCore.Routing.Tests (1)

RouteCollectionTest.cs (1)

508int index = Random.Shared.Next(0, routeNames.Length - 1);

Microsoft.AspNetCore.Server.Kestrel.Core.Tests (4)

KestrelServerTests.cs (2)

997? Random.Shared.Next(IPEndPoint.MinPort, IPEndPoint.MaxPort) 1049? Random.Shared.Next(IPEndPoint.MinPort, IPEndPoint.MaxPort)

src\Servers\Kestrel\shared\test\ServerRetryHelper.cs (2)

22var nextPortAttempt = 30000 + Random.Shared.Next(10000); 37nextPortAttempt = port + Random.Shared.Next(100);

Microsoft.AspNetCore.Server.Kestrel.Transport.Quic.Tests (2)

src\Servers\Kestrel\shared\test\ServerRetryHelper.cs (2)

22var nextPortAttempt = 30000 + Random.Shared.Next(10000); 37nextPortAttempt = port + Random.Shared.Next(100);

Microsoft.AspNetCore.SignalR.Common.Tests (1)

Internal\Protocol\MemoryBufferWriterTests.cs (1)

406Random.Shared.NextBytes(data);

Microsoft.AspNetCore.SignalR.Microbenchmarks (2)

MessageParserBenchmark.cs (2)

25Random.Shared.NextBytes(buffer); 39Random.Shared.NextBytes(buffer);

Microsoft.AspNetCore.SignalR.Tests (1)

Internal\MessageBufferTests.cs (1)

254var ackNum = Random.Shared.Next(0, 1000);

Microsoft.AspNetCore.WebSockets.Tests (1)

WebSocketCompressionMiddlewareTests.cs (1)

146Random.Shared.NextBytes(clientBuf);

Microsoft.Build.Framework (1)

StringUtils.cs (1)

25Random random = new();

Microsoft.DotNet.Helix.Sdk (1)

AzureDevOpsTask.cs (1)

168private static readonly Random s_rand = new Random();

Microsoft.Extensions.Caching.Hybrid.Tests (3)

DistributedCacheTests.cs (3)

271var rand = new Random(); 345public CustomSegment(int size, Random? rand, CustomSegment? previous) 361public CustomMemory(int size, Random? rand = null)

Microsoft.Extensions.Caching.MicroBenchmarks (1)

DistributedCacheBenchmarks.cs (1)

21private readonly Random random = new Random();

Microsoft.Extensions.ObjectPool.Microbenchmark (1)

Foo.cs (1)

19LastRandom = Random.Shared.Next();

Microsoft.JSInterop.Tests (1)

JSRuntimeTest.cs (1)

339Random.Shared.NextBytes(byteArray);

mscorlib (1)

src\libraries\shims\mscorlib\ref\mscorlib.cs (1)

390[assembly: System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Random))]

netstandard (1)

netstandard.cs (1)

1354[assembly: System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Random))]

PresentationFramework (1)

System\Windows\Documents\FixedPageStructure.cs (1)

455Random random = new Random();

System.Collections.Concurrent (1)

System\Collections\Concurrent\ConcurrentStack.cs (1)

631backoff = Random.Shared.Next(1, BACKOFF_MAX_YIELDS);

System.Net.Ping (1)

System\Net\NetworkInformation\Ping.RawSocket.cs (1)

28ushort id = (ushort)Random.Shared.Next(ushort.MaxValue + 1);

System.Private.CoreLib (13)

src\libraries\System.Private.CoreLib\src\System\Random.cs (5)

28/// <summary>Initializes a new instance of the <see cref="Random"/> class using a default seed value.</summary> 33_impl = GetType() == typeof(Random) ? new XoshiroImpl() : new Net5CompatDerivedImpl(this); 44_impl = GetType() == typeof(Random) ? new Net5CompatSeedImpl(Seed) : new Net5CompatDerivedImpl(this, Seed); 54/// <summary>Provides a thread-safe <see cref="Random"/> instance that may be used concurrently from any thread.</summary> 55public static Random Shared { get; } = new ThreadSafeRandom();

src\libraries\System.Private.CoreLib\src\System\Random.Net5CompatImpl.cs (4)

109/// <summary>Reference to the <see cref="Random"/> containing this implementation instance.</summary> 111private readonly Random _parent; 117public Net5CompatDerivedImpl(Random parent) : this(parent, Shared.Next()) { } 119public Net5CompatDerivedImpl(Random parent, int seed)

src\libraries\System.Private.CoreLib\src\System\Threading\PortableThreadPool.HillClimbing.cs (2)

75private readonly Random.XoshiroImpl _randomIntervalGenerator = new Random.XoshiroImpl();

src\libraries\System.Private.CoreLib\src\System\Threading\ThreadPoolWorkQueue.cs (2)

1030public readonly Random.XoshiroImpl random = new Random.XoshiroImpl();

System.Runtime (1)

artifacts\obj\System.Runtime\Debug\net9.0\System.Runtime.Forwards.cs (1)

411[assembly: System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Random))]

System.Runtime.Extensions (1)

System.Runtime.Extensions.cs (1)

26[assembly:System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Random))]

System.Text.RegularExpressions (6)

System\Text\RegularExpressions\Regex.Cache.cs (1)

57private static readonly Random s_random = new Random();

System\Text\RegularExpressions\Symbolic\SymbolicRegexMatcher.Sample.cs (5)

38Random random = randomseed != 0 ? new Random(randomseed) : new Random(); 172static T Choose<T>(Random random, IList<T> elems) => elems[random.Next(elems.Count)]; 174static char ChooseChar(Random random, BDD bdd, BDD ascii, CharSetSolver charSetSolver) 183static bool FlipBiasedCoin(Random random, double probTrue) => random.NextDouble() < probTrue; 185static T[] Shuffle<T>(Random random, T[] array)

System.Text.RegularExpressions.Generator (1)

RegexGenerator.Emitter.cs (1)

1464Random stackCookieGenerator = new(12345); // seed for deterministic behavior

System.Threading.Tasks.Parallel (1)

System\Threading\Tasks\TaskReplicator.cs (1)

167return 100 + Random.Shared.Next(0, 50 * Environment.ProcessorCount);

Templates.Blazor.Tests (1)