// http://turtle.sourceforge.net
//
// Copyright Mathieu Champlon 2014
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

//[ invoke_functor_problem
#include <boost/function.hpp>

namespace {
class base_class
{
public:
    virtual void method(const boost::function<void(int)>& functor) = 0;
};

void function(base_class&); // the function will call 'method' with a functor to be applied
} // namespace
//]

//[ invoke_functor_solution
#define BOOST_AUTO_TEST_MAIN
#include <turtle/mock.hpp>
#include <boost/bind/apply.hpp>
#include <boost/test/auto_unit_test.hpp>

namespace {
MOCK_BASE_CLASS(mock_class, base_class){ MOCK_METHOD(method, 1) };
}

BOOST_AUTO_TEST_CASE(how_to_invoke_a_functor_passed_as_parameter_of_a_mock_method)
{
    mock_class mock;
    MOCK_EXPECT(mock.method)
      .calls(boost::bind(boost::apply<void>(), _1, 42)); // whenever 'method' is called, invoke the functor with 42
    function(mock);
}
//]