Optional parameters in google mocked method

[Amit Kulkarni]

Does google mock method support optional parameters?

I'm mocking a class. The original method is 

virtual bool create(const char* filename, const char* data=NULL, uint16 port=0);

And I derive from the base class to produce the mock class:

class MockBaseClass public BaseClass

{

public:

    BaseClass();

    MOCK_METHOD1( create, bool(const char* filename, const char* data, uint16 port) );

};

This produces an following error

: error C2118: negative subscript

: error C2660: 'testing::internal::FunctionMocker<Function>::Invoke' : function does not take 1 arguments

        with

        [

            Function=bool (const char *,const char *,uint16)

        ]

 : error C2660: 'testing::internal::FunctionMocker<Function>::With' : function does not take 1 arguments

        with

        [

            Function=bool (const char *,const char *,uint16)

        ]

If optional parameters are not supported by googlemock, is a solution to make my mock method work?

Regards

Amit

[Samuel Benzaquen]

On Thu, Oct 15, 2015 at 1:53 PM, Amit Kulkarni <amitk...@gmail.com> wrote:

Does google mock method support optional parameters?

I'm mocking a class. The original method is 

virtual bool create(const char* filename, const char* data=NULL, uint16 port=0);

And I derive from the base class to produce the mock class:

class MockBaseClass public BaseClass

{

public:

    BaseClass();

    MOCK_METHOD1( create, bool(const char* filename, const char* data, uint16 port) );

The number in the macro name must match the number of parameters in the function signature.

This should be MOCK_METHOD3()

 

};

This produces an following error

: error C2118: negative subscript

: error C2660: 'testing::internal::FunctionMocker<Function>::Invoke' : function does not take 1 arguments

        with

        [

            Function=bool (const char *,const char *,uint16)

        ]

 : error C2660: 'testing::internal::FunctionMocker<Function>::With' : function does not take 1 arguments

        with

        [

            Function=bool (const char *,const char *,uint16)

        ]

If optional parameters are not supported by googlemock, is a solution to make my mock method work?

You can add an indirection:

class MockBaseClass {

 public:

  bool create(const char* filename, const char* data=NULL, uint16 port=0) {

    return mock_create(filename, data, port);

  }

  MOCK_METHOD3(mock_create, bool(const char*, const char*, uint16));

};

 

The create() method will still provide the default argument.

You set expectations in the mock_create() method instead.

_Sam

Regards

Amit

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