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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.Diagnostics.CodeAnalysis;
using System.Linq.Expressions;
using Mono.Linker.Tests.Cases.Expectations.Assertions;
using Mono.Linker.Tests.Cases.Expectations.Metadata;
namespace Mono.Linker.Tests.Cases.Warnings.WarningSuppression
{
[ExpectedNoWarnings]
[SkipKeptItemsValidation]
public class DetectRedundantSuppressionsInMembersAndTypes
{
public static void Main ()
{
RedundantSuppressionOnType.Test ();
RedundantSuppressionOnMethod.Test ();
RedundantSuppressionOnNestedType.Test ();
RedundantSuppressionOnProperty.Test ();
RedundantSuppressionOnEvent.Test ();
MultipleRedundantSuppressions.Test ();
RedundantAndUsedSuppressions.Test ();
DoNotReportNonLinkerSuppressions.Test ();
DoNotReportSuppressionsOnMethodsConvertedToThrow.Test ();
SuppressRedundantSuppressionWarning.Test ();
RedundantSuppressionWithRUC.Test ();
DoNotReportUnnecessaryRedundantWarningSuppressions.Test ();
}
public static Type TriggerUnrecognizedPattern ()
{
return typeof (DetectRedundantSuppressionsInMembersAndTypes);
}
public static string TrimmerCompatibleMethod ()
{
return "test";
}
[ExpectedWarning ("IL2121", "IL2071", ProducedBy = ProducedBy.Trimmer)]
[UnconditionalSuppressMessage ("Test", "IL2071")]
public class RedundantSuppressionOnType
{
public static void Test ()
{
TrimmerCompatibleMethod ();
}
}
public class RedundantSuppressionOnMethod
{
[ExpectedWarning ("IL2121", "IL2071", ProducedBy = ProducedBy.Trimmer)]
[UnconditionalSuppressMessage ("Test", "IL2071")]
public static void Test ()
{
TrimmerCompatibleMethod ();
}
}
public class RedundantSuppressionOnNestedType
{
public static void Test ()
{
NestedType.TrimmerCompatibleMethod ();
}
[ExpectedWarning ("IL2121", "IL2071", ProducedBy = ProducedBy.Trimmer)]
[UnconditionalSuppressMessage ("Test", "IL2071")]
public class NestedType
{
public static void TrimmerCompatibleMethod ()
{
DetectRedundantSuppressionsInMembersAndTypes.TrimmerCompatibleMethod ();
}
}
}
public class RedundantSuppressionOnProperty
{
public static void Test ()
{
var property = TrimmerCompatibleProperty;
}
public static string TrimmerCompatibleProperty {
[ExpectedWarning ("IL2121", "IL2071", ProducedBy = ProducedBy.Trimmer)]
[UnconditionalSuppressMessage ("Test", "IL2071")]
get {
return TrimmerCompatibleMethod ();
}
}
}
public class RedundantSuppressionOnEvent
{
public static void Test ()
{
Event += EventSubscriber;
}
static void EventSubscriber (object sender, EventArgs e)
{
}
static event EventHandler<EventArgs> Event {
[ExpectedWarning ("IL2121", "IL2072", ProducedBy = ProducedBy.Trimmer)]
[UnconditionalSuppressMessage ("Test", "IL2072")]
add { TrimmerCompatibleMethod (); }
remove { }
}
}
[ExpectedWarning ("IL2121", "IL2072", ProducedBy = ProducedBy.Trimmer)]
[UnconditionalSuppressMessage ("Test", "IL2072")]
[ExpectedWarning ("IL2121", "IL2071", ProducedBy = ProducedBy.Trimmer)]
[UnconditionalSuppressMessage ("Test", "IL2071")]
public class MultipleRedundantSuppressions
{
[ExpectedWarning ("IL2121", "IL2072", ProducedBy = ProducedBy.Trimmer)]
[UnconditionalSuppressMessage ("Test", "IL2072")]
[ExpectedWarning ("IL2121", "IL2071", ProducedBy = ProducedBy.Trimmer)]
[UnconditionalSuppressMessage ("Test", "IL2071")]
public static void Test ()
{
TrimmerCompatibleMethod ();
}
}
public class RedundantAndUsedSuppressions
{
[ExpectedWarning ("IL2121", "IL2071", ProducedBy = ProducedBy.Trimmer)]
[UnconditionalSuppressMessage ("Test", "IL2071")]
[UnconditionalSuppressMessage ("Test", "IL2072")]
public static void Test ()
{
Expression.Call (TriggerUnrecognizedPattern (), "", Type.EmptyTypes);
}
}
public class DoNotReportNonLinkerSuppressions
{
[UnconditionalSuppressMessage ("Test", "IL3052")]
public static void Test ()
{
TrimmerCompatibleMethod ();
}
}
public class DoNotReportSuppressionsOnMethodsConvertedToThrow
{
// The tool is unable to determine whether a suppression is redundant when it is placed on a method with unreachable body.
// Currently suppressions on methods with unreachable bodies should never be reported as redundant.
// https://github.com/dotnet/linker/issues/2920
public static void Test ()
{
UsedToMarkMethod (null);
}
static void UsedToMarkMethod (TypeWithMethodConvertedToThrow t)
{
t.MethodConvertedToThrow ();
}
class TypeWithMethodConvertedToThrow
{
// The suppression is redundant, but it should not be reported.
[UnconditionalSuppressMessage ("Test", "IL2072")]
public void MethodConvertedToThrow ()
{
TrimmerCompatibleMethod ();
}
}
}
public class SuppressRedundantSuppressionWarning
{
[UnconditionalSuppressMessage ("Test", "IL2121")]
[UnconditionalSuppressMessage ("Test", "IL2072")]
public static void Test ()
{
TrimmerCompatibleMethod ();
}
}
public class DoNotReportUnnecessaryRedundantWarningSuppressions
{
[UnconditionalSuppressMessage ("Test", "IL2121")]
[UnconditionalSuppressMessage ("Test", "IL2072")]
public static void Test ()
{
Expression.Call (TriggerUnrecognizedPattern (), "", Type.EmptyTypes);
}
}
public class RedundantSuppressionWithRUC
{
[ExpectedWarning ("IL2026")]
public static void Test ()
{
MethodMarkedRUC ();
}
[ExpectedWarning ("IL2121", "IL2072", ProducedBy = ProducedBy.Trimmer)]
[UnconditionalSuppressMessage ("Test", "IL2072")]
[RequiresUnreferencedCode ("Test")]
public static void MethodMarkedRUC ()
{
Expression.Call (TriggerUnrecognizedPattern (), "", Type.EmptyTypes);
}
}
}
}
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