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Googletest export

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Identify bad specs of the type (const something, ...).

PiperOrigin-RevId: 390346843
This commit is contained in:
Abseil Team 2021-08-12 08:23:14 -04:00 committed by Derek Mauro
parent 47f819c3ca
commit 21514e0be7
1 changed files with 76 additions and 42 deletions
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118
googlemock/include/gmock/gmock-function-mocker.h
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@ -62,6 +62,39 @@ struct ThisRefAdjuster {
}
};
constexpr bool PrefixOf(const char* a, const char* b) {
return *a == 0 || (*a == *b && internal::PrefixOf(a + 1, b + 1));
}
template <int N, int M>
constexpr bool StartsWith(const char (&prefix)[N], const char (&str)[M]) {
return N <= M && internal::PrefixOf(prefix, str);
}
template <int N, int M>
constexpr bool EndsWith(const char (&suffix)[N], const char (&str)[M]) {
return N <= M && internal::PrefixOf(suffix, str + M - N);
}
template <int N, int M>
constexpr bool Equals(const char (&a)[N], const char (&b)[M]) {
return N == M && internal::PrefixOf(a, b);
}
template <int N>
constexpr bool ValidateSpec(const char (&spec)[N]) {
return internal::Equals("const", spec) ||
internal::Equals("override", spec) ||
internal::Equals("final", spec) ||
internal::Equals("noexcept", spec) ||
(internal::StartsWith("noexcept(", spec) &&
internal::EndsWith(")", spec)) ||
internal::Equals("ref(&)", spec) ||
internal::Equals("ref(&&)", spec) ||
(internal::StartsWith("Calltype(", spec) &&
internal::EndsWith(")", spec));
}
} // namespace internal
// The style guide prohibits "using" statements in a namespace scope
@ -84,17 +117,18 @@ using internal::FunctionMocker;
#define GMOCK_INTERNAL_MOCK_METHOD_ARG_3(_Ret, _MethodName, _Args) \
GMOCK_INTERNAL_MOCK_METHOD_ARG_4(_Ret, _MethodName, _Args, ())
#define GMOCK_INTERNAL_MOCK_METHOD_ARG_4(_Ret, _MethodName, _Args, _Spec) \
GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Args); \
GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Spec); \
GMOCK_INTERNAL_ASSERT_VALID_SIGNATURE( \
GMOCK_PP_NARG0 _Args, GMOCK_INTERNAL_SIGNATURE(_Ret, _Args)); \
GMOCK_INTERNAL_ASSERT_VALID_SPEC(_Spec) \
GMOCK_INTERNAL_MOCK_METHOD_IMPL( \
GMOCK_PP_NARG0 _Args, _MethodName, GMOCK_INTERNAL_HAS_CONST(_Spec), \
GMOCK_INTERNAL_HAS_OVERRIDE(_Spec), GMOCK_INTERNAL_HAS_FINAL(_Spec), \
GMOCK_INTERNAL_GET_NOEXCEPT_SPEC(_Spec), \
GMOCK_INTERNAL_GET_CALLTYPE(_Spec), GMOCK_INTERNAL_GET_REF_SPEC(_Spec), \
#define GMOCK_INTERNAL_MOCK_METHOD_ARG_4(_Ret, _MethodName, _Args, _Spec) \
GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Args); \
GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Spec); \
GMOCK_INTERNAL_ASSERT_VALID_SIGNATURE( \
GMOCK_PP_NARG0 _Args, GMOCK_INTERNAL_SIGNATURE(_Ret, _Args)); \
GMOCK_INTERNAL_ASSERT_VALID_SPEC(_Spec) \
GMOCK_INTERNAL_MOCK_METHOD_IMPL( \
GMOCK_PP_NARG0 _Args, _MethodName, GMOCK_INTERNAL_HAS_CONST(_Spec), \
GMOCK_INTERNAL_HAS_OVERRIDE(_Spec), GMOCK_INTERNAL_HAS_FINAL(_Spec), \
GMOCK_INTERNAL_GET_NOEXCEPT_SPEC(_Spec), \
GMOCK_INTERNAL_GET_CALLTYPE_SPEC(_Spec), \
GMOCK_INTERNAL_GET_REF_SPEC(_Spec), \
(GMOCK_INTERNAL_SIGNATURE(_Ret, _Args)))
#define GMOCK_INTERNAL_MOCK_METHOD_ARG_5(...) \
@ -168,7 +202,7 @@ using internal::FunctionMocker;
#define GMOCK_INTERNAL_EXPAND(...) __VA_ARGS__
// Five Valid modifiers.
// Valid modifiers.
#define GMOCK_INTERNAL_HAS_CONST(_Tuple) \
GMOCK_PP_HAS_COMMA(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_DETECT_CONST, ~, _Tuple))
@ -187,6 +221,14 @@ using internal::FunctionMocker;
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_NOEXCEPT(_i, _, _elem)), \
_elem, )
#define GMOCK_INTERNAL_GET_CALLTYPE_SPEC(_Tuple) \
GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_CALLTYPE_SPEC_IF_CALLTYPE, ~, _Tuple)
#define GMOCK_INTERNAL_CALLTYPE_SPEC_IF_CALLTYPE(_i, _, _elem) \
GMOCK_PP_IF( \
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_CALLTYPE(_i, _, _elem)), \
GMOCK_PP_CAT(GMOCK_INTERNAL_UNPACK_, _elem), )
#define GMOCK_INTERNAL_GET_REF_SPEC(_Tuple) \
GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_REF_SPEC_IF_REF, ~, _Tuple)
@ -194,19 +236,25 @@ using internal::FunctionMocker;
GMOCK_PP_IF(GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_REF(_i, _, _elem)), \
GMOCK_PP_CAT(GMOCK_INTERNAL_UNPACK_, _elem), )
#define GMOCK_INTERNAL_GET_CALLTYPE(_Tuple) \
GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_GET_CALLTYPE_IMPL, ~, _Tuple)
#define GMOCK_INTERNAL_ASSERT_VALID_SPEC_ELEMENT(_i, _, _elem) \
static_assert( \
(GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_CONST(_i, _, _elem)) + \
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_OVERRIDE(_i, _, _elem)) + \
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_FINAL(_i, _, _elem)) + \
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_NOEXCEPT(_i, _, _elem)) + \
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_REF(_i, _, _elem)) + \
GMOCK_INTERNAL_IS_CALLTYPE(_elem)) == 1, \
GMOCK_PP_STRINGIZE( \
#ifdef GMOCK_INTERNAL_STRICT_SPEC_ASSERT
#define GMOCK_INTERNAL_ASSERT_VALID_SPEC_ELEMENT(_i, _, _elem) \
static_assert( \
::testing::internal::ValidateSpec(GMOCK_PP_STRINGIZE(_elem)), \
"Token \'" GMOCK_PP_STRINGIZE( \
_elem) "\' cannot be recognized as a valid specification " \
"modifier. Is a ',' missing?");
#else
#define GMOCK_INTERNAL_ASSERT_VALID_SPEC_ELEMENT(_i, _, _elem) \
static_assert( \
(GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_CONST(_i, _, _elem)) + \
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_OVERRIDE(_i, _, _elem)) + \
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_FINAL(_i, _, _elem)) + \
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_NOEXCEPT(_i, _, _elem)) + \
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_REF(_i, _, _elem)) + \
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_CALLTYPE(_i, _, _elem))) == 1, \
GMOCK_PP_STRINGIZE( \
_elem) " cannot be recognized as a valid specification modifier.");
#endif // GMOCK_INTERNAL_STRICT_SPEC_ASSERT
// Modifiers implementation.
#define GMOCK_INTERNAL_DETECT_CONST(_i, _, _elem) \
@ -236,26 +284,12 @@ using internal::FunctionMocker;
#define GMOCK_INTERNAL_UNPACK_ref(x) x
#define GMOCK_INTERNAL_GET_CALLTYPE_IMPL(_i, _, _elem) \
GMOCK_PP_IF(GMOCK_INTERNAL_IS_CALLTYPE(_elem), \
GMOCK_INTERNAL_GET_VALUE_CALLTYPE, GMOCK_PP_EMPTY) \
(_elem)
#define GMOCK_INTERNAL_DETECT_CALLTYPE(_i, _, _elem) \
GMOCK_PP_CAT(GMOCK_INTERNAL_DETECT_CALLTYPE_I_, _elem)
// TODO(iserna): GMOCK_INTERNAL_IS_CALLTYPE and
// GMOCK_INTERNAL_GET_VALUE_CALLTYPE needed more expansions to work on windows
// maybe they can be simplified somehow.
#define GMOCK_INTERNAL_IS_CALLTYPE(_arg) \
GMOCK_INTERNAL_IS_CALLTYPE_I( \
GMOCK_PP_CAT(GMOCK_INTERNAL_IS_CALLTYPE_HELPER_, _arg))
#define GMOCK_INTERNAL_IS_CALLTYPE_I(_arg) GMOCK_PP_IS_ENCLOSED_PARENS(_arg)
#define GMOCK_INTERNAL_DETECT_CALLTYPE_I_Calltype ,
#define GMOCK_INTERNAL_GET_VALUE_CALLTYPE(_arg) \
GMOCK_INTERNAL_GET_VALUE_CALLTYPE_I( \
GMOCK_PP_CAT(GMOCK_INTERNAL_IS_CALLTYPE_HELPER_, _arg))
#define GMOCK_INTERNAL_GET_VALUE_CALLTYPE_I(_arg) \
GMOCK_PP_IDENTITY _arg
#define GMOCK_INTERNAL_IS_CALLTYPE_HELPER_Calltype
#define GMOCK_INTERNAL_UNPACK_Calltype(...) __VA_ARGS__
// Note: The use of `identity_t` here allows _Ret to represent return types that
// would normally need to be specified in a different way. For example, a method