Having the following COM interop class

[ClassInterface(ClassInterfaceType.None)]
[Guid("86332C4E-0BDE-46EC-94C5-0A946C33C682")]
[TypeLibType(TypeLibTypeFlags.FCanCreate)]
public class MyComObjectClass : IMyComObject, MyComObject
{
    public MyComObjectClass();

    [DispId(1)]
    public virtual string Echo(string message);
}

and the sample class that uses it:
public class MyComObjectClassProxy
{
    public string Echo(string message)
    {
        IMyComObject itf = null;
        try
        {
            itf = new MyComObjectClass();
            return itf.Echo(message);
        }
        finally
        {
            if (itf != null)
            {
                Marshal.ReleaseComObject(itf);
            }
        }
    }
}
When I try to call the arranged constructor I am getting an error "Cannot create instances of type requiring managed activation", the unit test code:
[TestMethod]
public void TestMethod1()
{
    var mock = Mock.Create<MyComObjectClass>();
    Mock.Arrange(() => new MyComObjectClass()).Returns(mock);

    var sut = new MyComObjectClassProxy();
    var actual = sut.Echo("Message");

    Assert.AreEqual(string.Empty, actual);
}

Hi

When enabling JUSTMOCK Profiler it stops a MS rdlc report to render.

I have attached a simple sample demonstrating the error.

The error that the render gives back is the following.

The definition of this report is not valid or supported by this version of Reporting Services. The report definition may have been created with a later version of Reporting Services, or contain content that is not well-formed or not valid based on Reporting Services schemas. Details: Deserialization failed: An attempt was made to load a program with an incorrect format. (Exception from HRESULT: 0x8007000B) Line 2, position 2.

I have tried to different target version of the .NET framework 4.5.2; 4.6.2, different platform targets "ANY,x86,x64", different VS IDE "2012, 2015", different Microsoft.ReportViewer.WinForm  ver. 11,12,14

Hello,

According to the JustMock documentation, to validate a method on the mock was called it should be done like so:

[TestMethod] 
public void ShouldThrowExceptionWhenMustBeCalledSetupIsNeverInvoked() 
{ 
    // Arrange 
    var foo = new Foo(); 

    Mock.Arrange(() => foo.Execute()).MustBeCalled(); 

    // Assert 
    Assert.Throws<AssertFailedException>(() => Mock.Assert(foo)); 
}

The integration does not work as expected when the tests are run on the command line outside Visual Studio via dotnet test command. The coverage is used as Microsoft.CodeCoverage NuGet package.

Asynchronous test execution might be run in a separate thread (it depends of the environment and it is completely transparent) which causes arrangements to lose their context. That is why the expected mocked return value for DateTime.UtcNow calls the original code and finally the test fails.

Visual Studio debugger arrowhead pointer is messed when profiler is enabled with .Net Core 2.1, in VS2107/2019

Steps

• Use elevated features like static mocking using JustMock
• Enable profiler from VS JustMock extension
• Run the test in debug mode

Code Snippet

Mock.SetupStatic(typeof(ElasticOperationsHelper), Behavior.Strict, StaticConstructor.Mocked);

Mock.Arrange(() => elasticRepository.IndexDocumentInElastic<IndexDocText>(Arg.IsAny<IndexDocText>(), Arg.IsAny<string>(), null)).Returns(response);

While debugging it's found the arrowhead pointer of VS debugger is messed up and pointing to wrong line numbers. It's quite difficult to develop unit tests at this situation. Is there any resolution of this problem.

I found an article in the support page has been declined due to same problem. Is this totally dependent on "CLR" fix and .Net profiler. If so could you please provide me the Bug details of Microsoft for the same?

I would also like to know why it's necessary to have profiler enabled for scenarios like "Static Mocking", "Non virtual method mocking", "Private Mocking" etc. 

Is this only happening for .Net core? 

Hyland Software is evaluating this product as their Mocking framework for unit testing of all .net core projects.

If there is no solution, how can any prospective customer consider this as a good fit for their usage? If there is any workaround possible at this moment?

After upgrading to .NET Core 3.0 an exception is thrown for some of the JustMock methods like DoNothing() and Throw(). In the case for DoNothing() the exception is thrown only for methods that are returning value.

Here is the full exception:
System.InvalidCastException : Unable to cast object of type 'System.AppDomainSetup' to type 'YourType' 

I just installed it onto desktop, loaded Visual Studio 2019 (Ent) and i see no visual reference or otherwise to JustMock.

Honestly If i had have spent the $$ by now i'd have uninstalled and given up.

Values from already mocked methods are not taken into account when initializing a static constructor from the Telerik.JustMock.PrivateAccessor class.

Here is an example: PrivateAccessor.ForType(typeof(Foo)).SetField("someStringField", "stringvalue");

A workaround is to call the: Mock.Intercept(typeof(Foo)); before calling the PrivateAccessor.

There is a different behaviour when mocking the same method using the following two Arrange overrides:

public static FuncExpectation<TResult> Arrange<TResult>(Expression<Func<TResult>> expression);
public static FuncExpectation<TResult> Arrange<T, TResult>(T obj, Func<T, TResult> func);

Repro project attached. Steps to reproduce:
1. Open attached solution
2. In Tests.cs, run JustMockArrangeQueryableTest - it passes
3. Run JustMockArrangeQueryableTest2 - it fails with a invalid cast exception on the Residents collection.