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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.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Text;
using Mono.Linker.Tests.Cases.Expectations.Assertions;
using Mono.Linker.Tests.Cases.Expectations.Metadata;
namespace Mono.Linker.Tests.Cases.DataFlow
{
// Note: this test's goal is to validate that the product correctly reports unrecognized patterns
// - so the main validation is done by the UnrecognizedReflectionAccessPattern attributes.
[SkipKeptItemsValidation]
[SetupLinkerArgument ("--keep-metadata", "parametername")]
public class MethodParametersDataFlow
{
public static void Main ()
{
var instance = new MethodParametersDataFlow ();
PublicParameterlessConstructorParameter (typeof (TestType));
PublicConstructorsParameter (typeof (TestType));
NonPublicConstructorsParameter (typeof (TestType));
WriteToParameterOnStaticMethod (null);
LongWriteToParameterOnStaticMethod (0, 0, 0, 0, null);
instance.InstanceMethod (typeof (TestType));
instance.TwoAnnotatedParameters (typeof (TestType), typeof (TestType));
instance.TwoAnnotatedParametersIntoOneValue (typeof (TestType), typeof (TestType));
instance.NoAnnotation (typeof (TestType));
instance.UnknownValue ();
instance.AnnotatedValueToUnAnnotatedParameter (typeof (TestType));
instance.UnknownValueToUnAnnotatedParameter ();
instance.UnknownValueToUnAnnotatedParameterOnInterestingMethod ();
instance.WriteToParameterOnInstanceMethod (null);
instance.LongWriteToParameterOnInstanceMethod (0, 0, 0, 0, null);
instance.UnsupportedParameterType (null);
}
// Validate the error message when annotated parameter is passed to another annotated parameter
[UnrecognizedReflectionAccessPattern (typeof (MethodParametersDataFlow), nameof (RequirePublicConstructors), new Type[] { typeof (Type) },
messageCode: "IL2067", message: new string[] { "sourceType", "PublicParameterlessConstructorParameter(Type)", "type", "RequirePublicConstructors(Type)" })]
[UnrecognizedReflectionAccessPattern (typeof (MethodParametersDataFlow), nameof (RequireNonPublicConstructors), new Type[] { typeof (Type) }, messageCode: "IL2067")]
private static void PublicParameterlessConstructorParameter (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
Type sourceType)
{
RequirePublicParameterlessConstructor (sourceType);
RequirePublicConstructors (sourceType);
RequireNonPublicConstructors (sourceType);
}
[UnrecognizedReflectionAccessPattern (typeof (MethodParametersDataFlow), nameof (RequireNonPublicConstructors), new Type[] { typeof (Type) }, messageCode: "IL2067")]
private static void PublicConstructorsParameter (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicConstructors)]
Type type)
{
RequirePublicParameterlessConstructor (type);
RequirePublicConstructors (type);
RequireNonPublicConstructors (type);
}
[UnrecognizedReflectionAccessPattern (typeof (MethodParametersDataFlow), nameof (RequirePublicParameterlessConstructor), new Type[] { typeof (Type) }, messageCode: "IL2067")]
[UnrecognizedReflectionAccessPattern (typeof (MethodParametersDataFlow), nameof (RequirePublicConstructors), new Type[] { typeof (Type) }, messageCode: "IL2067")]
private static void NonPublicConstructorsParameter (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.NonPublicConstructors)]
Type type)
{
RequirePublicParameterlessConstructor (type);
RequirePublicConstructors (type);
RequireNonPublicConstructors (type);
}
[UnrecognizedReflectionAccessPattern (typeof (MethodParametersDataFlow), nameof (RequirePublicConstructors), new Type[] { typeof (Type) }, messageCode: "IL2067")]
private void InstanceMethod (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
Type type)
{
RequirePublicParameterlessConstructor (type);
RequirePublicConstructors (type);
}
[ExpectedWarning ("IL2072", "'type'", "argument", nameof (WriteToParameterOnInstanceMethod) + "(Type)", nameof (ReturnThingsWithPublicParameterlessConstructor))]
private void WriteToParameterOnInstanceMethod (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.NonPublicConstructors)]
Type type)
{
type = ReturnThingsWithPublicParameterlessConstructor ();
}
[ExpectedWarning ("IL2072", "'type'", "argument", nameof (WriteToParameterOnStaticMethod) + "(Type)", nameof (ReturnThingsWithPublicParameterlessConstructor))]
private static void WriteToParameterOnStaticMethod (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.NonPublicConstructors)]
Type type)
{
type = ReturnThingsWithPublicParameterlessConstructor ();
}
[ExpectedWarning ("IL2072", "'type'", "argument", nameof (LongWriteToParameterOnInstanceMethod) + "(Int32, Int32, Int32, Int32, Type)", nameof (ReturnThingsWithPublicParameterlessConstructor))]
private void LongWriteToParameterOnInstanceMethod (
int a, int b, int c, int d,
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.NonPublicConstructors)]
Type type)
{
type = ReturnThingsWithPublicParameterlessConstructor ();
}
[ExpectedWarning ("IL2072", "'type'", "argument", nameof (LongWriteToParameterOnStaticMethod) + "(Int32, Int32, Int32, Int32, Type)", nameof (ReturnThingsWithPublicParameterlessConstructor))]
private static void LongWriteToParameterOnStaticMethod (
int a, int b, int c, int d,
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.NonPublicConstructors)]
Type type)
{
type = ReturnThingsWithPublicParameterlessConstructor ();
}
[return: DynamicallyAccessedMembers (DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
static private Type ReturnThingsWithPublicParameterlessConstructor ()
{
return null;
}
[UnrecognizedReflectionAccessPattern (typeof (MethodParametersDataFlow), nameof (RequirePublicConstructors), new Type[] { typeof (Type) }, messageCode: "IL2067")]
private void TwoAnnotatedParameters (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
Type type,
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicConstructors)]
Type type2)
{
RequirePublicParameterlessConstructor (type);
RequirePublicParameterlessConstructor (type2);
RequirePublicConstructors (type);
RequirePublicConstructors (type2);
}
// TODO: https://github.com/dotnet/linker/issues/2273
// (Dataflow analysis is not supported by the analyzer yet)
[ExpectedWarning ("IL2067",
nameof (MethodParametersDataFlow) + "." + nameof (RequirePublicConstructors) + "(Type)",
"type")]
private void TwoAnnotatedParametersIntoOneValue (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
Type type,
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicConstructors)]
Type type2)
{
Type t = type == null ? type : type2;
RequirePublicParameterlessConstructor (t);
RequirePublicConstructors (t);
}
// Validate the error message for the case of unannotated method return value passed to an annotated parameter.
[UnrecognizedReflectionAccessPattern (typeof (MethodParametersDataFlow), nameof (RequirePublicParameterlessConstructor), new Type[] { typeof (Type) },
messageCode: "IL2067", message: new string[] { "type", "NoAnnotation(Type)", "type", "RequirePublicParameterlessConstructor(Type)" })]
private void NoAnnotation (Type type)
{
RequirePublicParameterlessConstructor (type);
}
// Validate error message when untracable value is passed to an annotated parameter.
[ExpectedWarning ("IL2062",
nameof (MethodParametersDataFlow) + "." + nameof (RequirePublicParameterlessConstructor) + "(Type)",
"type",
ProducedBy = ProducedBy.Trimmer)]
private void UnknownValue ()
{
var array = new object[1];
array[0] = this.GetType ();
MakeArrayValuesUnknown (array);
RequirePublicParameterlessConstructor ((Type) array[0]);
static void MakeArrayValuesUnknown (object[] array)
{
}
}
[RecognizedReflectionAccessPattern]
private void AnnotatedValueToUnAnnotatedParameter (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
Type type)
{
RequireNothing (type);
}
[RecognizedReflectionAccessPattern]
private void UnknownValueToUnAnnotatedParameter ()
{
RequireNothing (this.GetType ());
}
[RecognizedReflectionAccessPattern]
private void UnknownValueToUnAnnotatedParameterOnInterestingMethod ()
{
RequirePublicParameterlessConstructorAndNothing (typeof (TestType), this.GetType ());
}
// TODO: https://github.com/dotnet/linker/issues/2273
[ExpectedWarning ("IL2098", "p1", nameof (UnsupportedParameterType), ProducedBy = ProducedBy.Trimmer)]
private void UnsupportedParameterType ([DynamicallyAccessedMembers (DynamicallyAccessedMemberTypes.PublicFields)] object p1)
{
}
private static void RequirePublicParameterlessConstructor (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
Type type)
{
}
private static void RequirePublicConstructors (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicConstructors)]
Type type)
{
}
private static void RequireNonPublicConstructors (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.NonPublicConstructors)]
Type type)
{
}
private static void RequireNothing (Type type)
{
}
private static void RequirePublicParameterlessConstructorAndNothing (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
Type type,
Type type2)
{
}
class TestType
{
public TestType () { }
public TestType (int arg) { }
private TestType (int arg1, int arg2) { }
}
}
}
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