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Make MOCK_METHOD_EXT public and allow passing specifiers to MOCK_METHOD

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This commit is contained in:
Alexander Grund 2025-04-20 20:21:05 +02:00
parent dd5f7552b3
commit a6a1f7f291
3 changed files with 58 additions and 21 deletions
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2
include/turtle/detail/mock_impl.hpp
View file

@ -75,7 +75,7 @@ namespace mock { namespace detail {
BOOST_PP_TUPLE_ELEM(3, M_n_S_t), \
qualifier)
#define MOCK_METHOD_EXT(name, arity, signature, identifier, qualifiers) \
#define MOCK_METHOD_EXT_I(name, arity, signature, identifier, qualifiers) \
static_assert(arity == mock::detail::function_arity_t<signature>::value, "Arity mismatch"); \
MOCK_PP_TUPLE_FOR_EACH(MOCK_METHOD_ITER, (name, arity, signature, identifier), qualifiers) \
MOCK_METHOD_HELPER(signature, identifier)

49
include/turtle/mock.hpp
View file

@ -72,36 +72,45 @@
} \
MOCK_METHOD_HELPER(void(), identifier)
/// MOCK_METHOD( [calling convention] name, arity[, signature[, identifier]] )
/// generates both const and non-const methods
/// MOCK_METHOD( [calling convention] name, arity[, signature[, identifier, [, specifiers]]] )
/// generates both const and non-const methods by default, but can be changed by passing a specifier tuple.
/// The 'signature' can be omitted if it can be uniquely identified from the base class
/// if 'identifier' is omitted it will default to 'name'
#define MOCK_METHOD(M, ...) \
MOCK_METHOD_EXT(M, \
BOOST_PP_VARIADIC_ELEM(0, __VA_ARGS__, ), \
BOOST_PP_VARIADIC_ELEM(1, __VA_ARGS__, MOCK_SIGNATURE(M), ), \
BOOST_PP_VARIADIC_ELEM(2, __VA_ARGS__, M, M, ), \
(const, ))
/// 'specifiers' is a potentially empty, tuple of method specifiers, e.g. (&, &&) or (const override)
#define MOCK_METHOD(M, ...) \
MOCK_METHOD_EXT_I(M, \
BOOST_PP_VARIADIC_ELEM(0, __VA_ARGS__, ), \
BOOST_PP_VARIADIC_ELEM(1, __VA_ARGS__, MOCK_SIGNATURE(M), ), \
BOOST_PP_VARIADIC_ELEM(2, __VA_ARGS__, M, M, ), \
BOOST_PP_VARIADIC_ELEM(3, __VA_ARGS__, (const, ), (const, ), (const, ), ))
/// MOCK_CONST_METHOD( [calling convention] name, arity[, signature[, identifier]] )
/// generates only the const version of the method
/// The 'signature' can be omitted if it can be uniquely identified from the base class
/// if 'identifier' is omitted it will default to 'name'
#define MOCK_CONST_METHOD(M, ...) \
MOCK_METHOD_EXT(M, \
BOOST_PP_VARIADIC_ELEM(0, __VA_ARGS__, ), \
BOOST_PP_VARIADIC_ELEM(1, __VA_ARGS__, MOCK_SIGNATURE(M), ), \
BOOST_PP_VARIADIC_ELEM(2, __VA_ARGS__, M, M, ), \
(const))
#define MOCK_CONST_METHOD(M, ...) \
MOCK_METHOD_EXT_I(M, \
BOOST_PP_VARIADIC_ELEM(0, __VA_ARGS__, ), \
BOOST_PP_VARIADIC_ELEM(1, __VA_ARGS__, MOCK_SIGNATURE(M), ), \
BOOST_PP_VARIADIC_ELEM(2, __VA_ARGS__, M, M, ), \
(const))
/// MOCK_NON_CONST_METHOD( [calling convention] name, arity[, signature[, identifier]] )
/// generates only the non-const version of the method
/// The 'signature' can be omitted if it can be uniquely identified from the base class
/// if 'identifier' is omitted it will default to 'name'
#define MOCK_NON_CONST_METHOD(M, ...) \
MOCK_METHOD_EXT(M, \
BOOST_PP_VARIADIC_ELEM(0, __VA_ARGS__, ), \
BOOST_PP_VARIADIC_ELEM(1, __VA_ARGS__, MOCK_SIGNATURE(M), ), \
BOOST_PP_VARIADIC_ELEM(2, __VA_ARGS__, M, M, ), \
())
#define MOCK_NON_CONST_METHOD(M, ...) \
MOCK_METHOD_EXT_I(M, \
BOOST_PP_VARIADIC_ELEM(0, __VA_ARGS__, ), \
BOOST_PP_VARIADIC_ELEM(1, __VA_ARGS__, MOCK_SIGNATURE(M), ), \
BOOST_PP_VARIADIC_ELEM(2, __VA_ARGS__, M, M, ), \
())
/// MOCK_METHOD_EXT( [calling convention] name, arity, qualifiers [, signature, [identifier]] )
#define MOCK_METHOD_EXT(M, arity, ...) \
MOCK_METHOD_EXT_I(M, \
arity, \
BOOST_PP_VARIADIC_ELEM(1, __VA_ARGS__, MOCK_SIGNATURE(M), ), \
BOOST_PP_VARIADIC_ELEM(2, __VA_ARGS__, M, M, ), \
BOOST_PP_VARIADIC_ELEM(0, __VA_ARGS__, ))
/// MOCK_FUNCTION( [calling convention] name, arity, signature[, identifier] )
/// if 'identifier' is omitted it will default to 'name'

28
test/test_mock.cpp
View file

@ -327,6 +327,15 @@ struct base
virtual void m1() = 0;
virtual void m10() const = 0;
virtual void m11() = 0;
virtual void m12() noexcept = 0;
virtual void m13() && = 0;
virtual void m14() = 0;
virtual void m14(int, float) = 0;
virtual void m14(int, int) = 0;
virtual void m14(int) = 0;
virtual void m14(int) const noexcept = 0;
virtual void m15() & = 0;
virtual void m15() && = 0;
};
MOCK_BASE_CLASS(variadic, base)
@ -340,9 +349,28 @@ MOCK_BASE_CLASS(variadic, base)
MOCK_NON_CONST_METHOD(m11, 0)
MOCK_NON_CONST_METHOD(m6, 0, void())
MOCK_NON_CONST_METHOD(m7, 0, void(), m7)
MOCK_METHOD_EXT(m12, 0, (noexcept override))
MOCK_METHOD_EXT(m13, 0, (&&override))
// Overloaded method
MOCK_METHOD(m14, 0, void(), m14_empty)
MOCK_METHOD(m14, 2, void(int, float), m14_int_float, ())
MOCK_METHOD(m14, 2, void(int, int), m14_int_int, (override))
MOCK_METHOD(m14, 1, void(int), m14_int, (override, const noexcept override))
MOCK_METHOD_EXT(m15, 0, (&override, &&override), void())
MOCK_STATIC_METHOD(m8, 0, void())
MOCK_STATIC_METHOD(m9, 0, void(), m9)
};
void instantiate_class()
{
variadic inst; // If this compiles all pure virtual methods were mocked
const variadic& cinst = inst;
static_assert(noexcept(inst.m12()), "noexcept should be kept");
static_assert(!noexcept(inst.m14()), "noexcept should not be set");
static_assert(noexcept(cinst.m14(1)), "noexcept should be kept");
static_assert(!noexcept(inst.m14(1)), "noexcept should not be set");
static_assert(noexcept(std::declval<const variadic>().m14(1)), "noexcept should be kept");
}
template<typename T>
MOCK_BASE_CLASS(variadic_tpl, base)