.NET 6.0

[hvkooten]

Warning: Package 'Mono.Reflection 1.1.0' was restored using '.NETFramework,Version=v4.6.1, .NETFramework,Version=v4.6.2, .NETFramework,Version=v4.7, .NETFramework,Version=v4.7.1, .NETFramework,Version=v4.7.2, .NETFramework,Version=v4.8' instead of the project target framework 'net6.0'. This package may not be fully compatible with your project.

Error: System.InvalidProgramException: Common Language Runtime detected an invalid program.
at stub_ctor_System.Runtime.CompilerServices.DefaultInterpolatedStringHandler_.ctor(DefaultInterpolatedStringHandler& , Int32 , Int32 , RuntimeMethodHandle , RuntimeTypeHandle )
at dynamic_TestPoseShimming.MyClass_DoSomething(MyClass )
at stub_TestPoseShimming.MyClass_DoSomething(MyClass , RuntimeMethodHandle , RuntimeTypeHandle )
at dynamic_TestPoseShimming.UnitTest1+<>c_<SetCetSessionId_Test>b__0_2(<>c )

Error: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
at System.RuntimeMethodHandle.InvokeMethod(Object target, Span`1& arguments, Signature sig, Boolean constructor, Boolean wrapExceptions)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at System.Delegate.DynamicInvokeImpl(Object[] args)
at System.Delegate.DynamicInvoke(Object[] args)
at Pose.PoseContext.Isolate(Action entryPoint, Shim[] shims)
at TestPoseShimming.UnitTest1.SetCetSessionId_Test() in C:\Sources\Temp\TestPoseShimming\TestPoseShimming\UnitTest1.cs:line 19
at System.Threading.Tasks.Task.<>c.b__128_0(Object state)
at Xunit.Sdk.AsyncTestSyncContext.<>c__DisplayClass7_0.b__0() in C:\Dev\xunit\xunit\src\xunit.execution\Sdk\AsyncTestSyncContext.cs:line 58

using Pose;
using System;
using Xunit;

namespace TestProject1
{
public class UnitTest1
{
[Fact]
public void test1()
{
Shim consoleShim = Shim.Replace(() => Console.WriteLine(Is.A())).With(
delegate (string s) { Console.WriteLine("Hijacked: {0}", s); });

        Shim dateTimeShim = Shim.Replace(() => DateTime.Now).With(() => new DateTime(2004, 4, 4));

        Shim setterShim = Shim.Replace(() => Console.Title, true).With((string title) => { Console.Title = "My Title"; });

        Shim classPropShim = Shim.Replace(() => Is.A<MyClass>().MyProperty).With((MyClass @this) => 100);

        classPropShim = Shim.Replace(() => Is.A<MyClass>().MyProperty, true).With((MyClass @this, int prop) => { @this.MyProperty = prop * 10; });

        Shim ctorShim = Shim.Replace(() => new MyClass()).With(() => new MyClass() { MyProperty = 10 });

        Shim classShim = Shim.Replace(() => Is.A<MyClass>().DoSomething()).With(
            delegate (MyClass @this) { Console.WriteLine("doing someting else"); });

        MyClass myClass = new MyClass();
        Shim myClassShim = Shim.Replace(() => myClass.DoSomething()).With(
            delegate (MyClass @this) { Console.WriteLine("doing someting else with myClass"); });

        // This block executes immediately
        PoseContext.Isolate(() =>
        {
            // All code that executes within this block
            // is isolated and shimmed methods are replaced

            // Outputs "Hijacked: Hello World!"
            Console.WriteLine("Hello World!");

            // Outputs "4/4/04 12:00:00 AM"
            Console.WriteLine(DateTime.Now);

            // Outputs "doing someting else"
            new MyClass().DoSomething();

            // Outputs "doing someting else with myClass"
            myClass.DoSomething();

        }, consoleShim, dateTimeShim, classPropShim, classShim, myClassShim);
    }

    [Fact]
    public void Test2()
    {
        // ARRANGE
        Shim classPropShim = Shim.Replace(() => Is.A<MyClass>().MyProperty).With((MyClass @this) => 100);
        PoseContext.Isolate(() =>
        {
            new MyClass().DoSomething();
        }, classPropShim);
    }
}

class MyClass
{
    public int MyProperty { get; set; }
    public void DoSomething() => Console.WriteLine($"doing someting: {MyProperty}");
}

}

[Miista]

@hvkooten I got a working copy of the library over at Miista/pose#2