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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Diagnostics.CodeAnalysis;
using System.Reflection;
using Mono.Linker.Tests.Cases.Expectations.Assertions;
using Mono.Linker.Tests.Cases.Expectations.Helpers;
namespace Mono.Linker.Tests.Cases.DataFlow
{
[SkipKeptItemsValidation]
[ExpectedNoWarnings]
class TypeHandleDataFlow
{
public static void Main ()
{
TestTypeOf ();
TestTypeOfFromGeneric<TestType> ();
TestGetTypeHandle ();
TestGetTypeHandleFromGeneric<TestType> ();
TestUnsupportedPatterns (typeof (TestType));
TestNull ();
TestNoValue ();
}
[ExpectedWarning ("IL2026", "--" + nameof (TestTypeWithRUCOnMembers.PublicMethodWithRUC) + "--")]
static void TestTypeOf ()
{
// In IL this is a type handle (ldtoken) followed by call to GetTypeFromHandle
// In analyzer this is a special operation node - so also interesting but doesn't involve type handle
// Validate that we propagate type - without the propagation this should warn
typeof (TestType).RequiresNonPublicMethods ();
// Validate that we correctly propagate the type as a known type, so that we can actually mark
// specific methods on it.
typeof (TestTypeWithRUCOnMembers).RequiresPublicMethods ();
}
[ExpectedWarning ("IL2087", nameof (DataFlowTypeExtensions.RequiresPublicFields))]
static void TestTypeOfFromGeneric<[DynamicallyAccessedMembers (DynamicallyAccessedMemberTypes.PublicMethods)] T> ()
{
typeof (T).RequiresPublicMethods ();
typeof (T).RequiresPublicFields ();
}
[ExpectedWarning ("IL2026", "--" + nameof (TestTypeWithRUCOnMembers.PublicMethodWithRUC) + "--")]
static void TestGetTypeHandle ()
{
Type.GetTypeFromHandle (typeof (TestType).TypeHandle).RequiresNonPublicMethods ();
Type.GetTypeFromHandle (typeof (TestTypeWithRUCOnMembers).TypeHandle).RequiresPublicMethods ();
}
[ExpectedWarning ("IL2087", nameof (DataFlowTypeExtensions.RequiresPublicFields))]
static void TestGetTypeHandleFromGeneric<[DynamicallyAccessedMembers (DynamicallyAccessedMemberTypes.PublicMethods)] T> ()
{
Type.GetTypeFromHandle (typeof (T).TypeHandle).RequiresPublicMethods ();
Type.GetTypeFromHandle (typeof (T).TypeHandle).RequiresPublicFields ();
}
[ExpectedWarning ("IL2072", nameof (Type.GetTypeFromHandle), nameof (DataFlowTypeExtensions.RequiresPublicMethods))]
static void TestUnsupportedPatterns ([DynamicallyAccessedMembers (DynamicallyAccessedMemberTypes.PublicMethods)] Type typeWithMethods)
{
Type.GetTypeFromHandle (typeWithMethods.TypeHandle).RequiresPublicMethods ();
}
static void TestNull ()
{
Type type = null;
// This should not warn - we know the type is null. Null is ignored since we know it will fail at runtime
// and thus there are no actual requirements on the rest of the app to make it fail that way.
Type.GetTypeFromHandle (type.TypeHandle).RequiresPublicMethods ();
}
static void TestNoValue ()
{
Type t = null;
Type noValue = Type.GetTypeFromHandle (t.TypeHandle);
// t.TypeHandle throws at runtime so don't warn here.
Type.GetTypeFromHandle (noValue.TypeHandle).RequiresPublicMethods ();
}
class TestType { }
class TestTypeWithRUCOnMembers
{
[RequiresUnreferencedCode ("--" + nameof (PublicMethodWithRUC) + "--")]
public static void PublicMethodWithRUC () { }
[RequiresUnreferencedCode ("--" + nameof (PrivateMethodWithRUC) + "--")]
void PrivateMethodWithRUC () { }
}
}
}
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