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 <turtle/mock.hpp>
#include <boost/test/unit_test.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())
};
//]
} // namespace

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