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ArgOutOfRangeException when don't fake static methods

0 votes
In Isolator 6.0.4, an ArgumentOutOfRangeException is thrown when the user doesn't fake static methods before calling an Isolate.Verify method. Expected is a TypemockException that says to fake static methods if using an Isolate.Verify call.

[ img ]
----------------------
[ img ] 

private static void MultiArgMethod(int x, string s, char c)
{
}

[TestMethod]
public void MutliArgMethod_Tests()
{
  Isolate.Fake.StaticMethods<TypemockTutorialTests>();
  MultiArgMethod(1, "abc", 'q');
  Isolate.Verify.WasCalledWithArguments(() => 
    MultiArgMethod(default(int), default(string), default(char)))
    .Matching((object[] args) =>
      (int)args[0] > 0 &&
      ((string)args[1]).Length == 3 &&
      Char.IsLetter((char)(args[2])));
}


This bug also happens for instance methods:
[ img ]
asked by Neil
Report User
 (27.7k points)

2 Answers

0 votes
Hi Neil,

In order for the Verify APIs to work, the verified method must have some interaction with the Isolator API prior to execution (either by using WhenCalled or Fake). This is why, for example, this works: 

class A
{
    public void Method() { }
}

[TestMethod]
public void Method_Test()
{
    A a = new A();
    Isolate.WhenCalled(() => a.Method()).CallOriginal();

    a.Method();
    Isolate.Verify.WasCalledWithExactArguments(() => a.Method());
}


Without the WhenCalled expectation, Verify will throw a TypemockException. It seems that we have a bug that throws the ArgumentOutOfRangeException. I will add this to our bug system!

Thanks!
answered by igal
Report User
 (5.7k points)
0 votes
Thanks Igal!
answered by Neil
Report User
 (27.7k points)
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