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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.
// See the LICENSE file in the project root for more information.
using Mono.Linker.Tests.Cases.Expectations.Assertions;
using System;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Text;
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]
public class GetTypeDataFlow
{
public static void Main ()
{
TestPublicParameterlessConstructor ();
TestPublicConstructors ();
TestConstructors ();
TestUnknownType ();
TestTypeNameFromParameter (null);
TestTypeNameFromField ();
TestMultipleConstantValues ();
TestMultipleMixedValues ();
// TODO:
// Test multi-value returns
// Type.GetType over a constant and a param
// Type.GetType over two params
}
[UnrecognizedReflectionAccessPattern (typeof (GetTypeDataFlow), nameof (RequirePublicConstructors), new Type[] { typeof (Type) }, messageCode: "IL2072")]
[UnrecognizedReflectionAccessPattern (typeof (GetTypeDataFlow), nameof (RequireNonPublicConstructors), new Type[] { typeof (Type) }, messageCode: "IL2072")]
static void TestPublicParameterlessConstructor ()
{
Type type = Type.GetType (GetStringTypeWithPublicParameterlessConstructor ());
RequirePublicParameterlessConstructor (type);
RequirePublicConstructors (type);
RequireNonPublicConstructors (type);
RequireNothing (type);
}
[UnrecognizedReflectionAccessPattern (typeof (GetTypeDataFlow), nameof (RequireNonPublicConstructors), new Type[] { typeof (Type) }, messageCode: "IL2072")]
static void TestPublicConstructors ()
{
Type type = Type.GetType (GetStringTypeWithPublicConstructors ());
RequirePublicParameterlessConstructor (type);
RequirePublicConstructors (type);
RequireNonPublicConstructors (type);
RequireNothing (type);
}
[UnrecognizedReflectionAccessPattern (typeof (GetTypeDataFlow), nameof (RequirePublicParameterlessConstructor), new Type[] { typeof (Type) }, messageCode: "IL2072")]
[UnrecognizedReflectionAccessPattern (typeof (GetTypeDataFlow), nameof (RequirePublicConstructors), new Type[] { typeof (Type) }, messageCode: "IL2072")]
static void TestConstructors ()
{
Type type = Type.GetType (GetStringTypeWithNonPublicConstructors ());
RequirePublicParameterlessConstructor (type);
RequirePublicConstructors (type);
RequireNonPublicConstructors (type);
RequireNothing (type);
}
[UnrecognizedReflectionAccessPattern (typeof (Type), nameof (GetType), new Type[] { typeof (string) }, messageCode: "IL2057")]
static void TestUnknownType ()
{
Type type = Type.GetType (GetStringUnkownType ());
}
[UnrecognizedReflectionAccessPattern (typeof (GetTypeDataFlow), nameof (RequirePublicConstructors), new Type[] { typeof (Type) }, messageCode: "IL2072")]
static void TestTypeNameFromParameter (
[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
string typeName)
{
RequirePublicConstructors (Type.GetType (typeName));
}
[DynamicallyAccessedMembers (DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
static string _typeNameWithPublicParameterlessConstructor;
[UnrecognizedReflectionAccessPattern (typeof (GetTypeDataFlow), nameof (RequirePublicConstructors), new Type[] { typeof (Type) }, messageCode: "IL2072")]
static void TestTypeNameFromField ()
{
RequirePublicConstructors (Type.GetType (_typeNameWithPublicParameterlessConstructor));
}
static int _switchOnField;
static void TestMultipleConstantValues ()
{
string typeName = null;
switch (_switchOnField) {
case 0: // valid
typeName = "Mono.Linker.Tests.Cases.DataFlow.GetTypeDataFlow";
break;
case 1: // null
typeName = null;
break;
case 2: // invalid
typeName = "UnknownType";
break;
case 3: // invalid second
typeName = "AnotherUnknownType";
break;
}
Type.GetType (typeName);
}
[UnrecognizedReflectionAccessPattern (typeof (GetTypeDataFlow), nameof (RequireNonPublicConstructors), new Type[] { typeof (Type) },
messageCode: "IL2072", message: "GetType")]
[UnrecognizedReflectionAccessPattern (typeof (Type), nameof (Type.GetType), new Type[] { typeof (string) },
messageCode: "IL2057", message: "System.Type.GetType(String)")]
static void TestMultipleMixedValues ()
{
string typeName = null;
switch (_switchOnField) {
case 0:
typeName = GetStringTypeWithPublicParameterlessConstructor ();
break;
case 1:
typeName = GetStringTypeWithNonPublicConstructors ();
break;
case 2:
typeName = "Mono.Linker.Tests.Cases.DataFlow.GetTypeDataFlow";
break;
case 3:
typeName = GetStringUnkownType ();
break;
}
RequireNonPublicConstructors (Type.GetType (typeName));
}
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)
{
}
[return: DynamicallyAccessedMembers (DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
private static string GetStringTypeWithPublicParameterlessConstructor ()
{
return null;
}
[return: DynamicallyAccessedMembers (DynamicallyAccessedMemberTypes.PublicConstructors)]
private static string GetStringTypeWithPublicConstructors ()
{
return null;
}
[return: DynamicallyAccessedMembers (DynamicallyAccessedMemberTypes.NonPublicConstructors)]
private static string GetStringTypeWithNonPublicConstructors ()
{
return null;
}
private static string GetStringUnkownType ()
{
return null;
}
}
}
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