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// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using Mono.Linker.Tests.Cases.Expectations.Assertions;
using Mono.Linker.Tests.Cases.Expectations.Helpers;
using Mono.Linker.Tests.Cases.Expectations.Metadata;
namespace Mono.Linker.Tests.Cases.DataFlow
{
// Similar to CompilerGeneratedCodeInPreservedAssembly, but with warnings
// produced while marking the compiler generated code.
[SkipKeptItemsValidation]
[ExpectedNoWarnings]
[SetupLinkerArgument ("--enable-opt", "ipconstprop")]
[SetupLinkerDescriptorFile ("CompilerGeneratedCodeInPreservedAssembly.xml")]
class CompilerGeneratedCodeInPreservedAssemblyWithWarning
{
[ExpectedWarning ("IL2026", "--" + nameof (Inner) + "." + nameof (Inner.WithLocalFunctionInner) + "--")]
[ExpectedWarning ("IL2026", "--" + nameof (WithLocalFunction) + "--")]
public static void Main ()
{
Inner.WithLocalFunctionInner ();
WithLocalFunction ();
}
class Inner
{
// In this case the compiler generated state will see the modified body,
// and will not associate the local function with the user method.
// Generic argument warnings from the local function will not be suppressed
// by RUC on the user method.
[RequiresUnreferencedCode ("--" + nameof (Inner) + "." + nameof (WithLocalFunctionInner) + "--")]
public static void WithLocalFunctionInner ()
{
if (AlwaysFalse) {
LocalWithWarning<int> ();
}
// https://github.com/dotnet/linker/issues/2937
[ExpectedWarning ("IL2091", ProducedBy = ProducedBy.Trimmer)]
void LocalWithWarning<T> ()
{
// Warning!
RequiresAllOnT<T> ();
}
}
}
// In this case the compiler generated state will see the original body,
// and will associate the local function with the user method.
// Generic argument warnings from the local function will be suppressed
// by RUC on the user method.
[RequiresUnreferencedCode ("--" + nameof (WithLocalFunction) + "--")]
public static void WithLocalFunction ()
{
if (AlwaysFalse) {
LocalWithWarning<int> ();
}
// https://github.com/dotnet/linker/issues/2937
void LocalWithWarning<T> ()
{
// No warning
RequiresAllOnT<T> ();
}
}
public static bool AlwaysFalse => false;
static void RequiresAllOnT<[DynamicallyAccessedMembers (DynamicallyAccessedMemberTypes.All)] T> () { }
}
}
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