turtle/doc/example/limitations_template_base_class_method.cpp

// 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)

#include <boost/test/unit_test.hpp>
#include <turtle/mock.hpp>

namespace
{
//[ limitations_template_base_class_method_problem
    template< typename T >
    class base
    {
    public:
        virtual ~base() = default;

        virtual void method() = 0;
    };
//]
 
//[ limitations_template_base_class_method_solution
    template< typename T >
    MOCK_BASE_CLASS( mock_base, base< T > )
    {
        MOCK_METHOD( method, 0, void() )
    };
//]
}

BOOST_AUTO_TEST_CASE(call_method_from_templated_class)
{
    mock_base<int> b;
    MOCK_EXPECT(b.method).once();
    static_cast<base<int>*>(&b)->method();
}