googletest/googlemock/include/gmock/gmock-generated-function-mockers.h.pump
Abseil Team d02e277275 Googletest export
Pass method's parameters count to internal GMOCK_METHOD* macro.

This will help removing copypaste in every GMOCK_METHOD* macro in future.

PiperOrigin-RevId: 292932554
2020-02-07 13:35:10 -05:00

177 lines
7.0 KiB
C++

$$ -*- mode: c++; -*-
$$ This is a Pump source file. Please use Pump to convert
$$ it to gmock-generated-function-mockers.h.
$$
$var n = 10 $$ The maximum arity we support.
// Copyright 2007, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Google Mock - a framework for writing C++ mock classes.
//
// This file implements function mockers of various arities.
// GOOGLETEST_CM0002 DO NOT DELETE
#ifndef GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_FUNCTION_MOCKERS_H_
#define GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_FUNCTION_MOCKERS_H_
#include <functional>
#include <utility>
#include "gmock/gmock-spec-builders.h"
#include "gmock/internal/gmock-internal-utils.h"
namespace testing {
namespace internal {
$range i 0..n
// Removes the given pointer; this is a helper for the expectation setter method
// for parameterless matchers.
//
// We want to make sure that the user cannot set a parameterless expectation on
// overloaded methods, including methods which are overloaded on const. Example:
//
// class MockClass {
// MOCK_METHOD0(GetName, string&());
// MOCK_CONST_METHOD0(GetName, const string&());
// };
//
// TEST() {
// // This should be an error, as it's not clear which overload is expected.
// EXPECT_CALL(mock, GetName).WillOnce(ReturnRef(value));
// }
//
// Here are the generated expectation-setter methods:
//
// class MockClass {
// // Overload 1
// MockSpec<string&()> gmock_GetName() { ... }
// // Overload 2. Declared const so that the compiler will generate an
// // error when trying to resolve between this and overload 4 in
// // 'gmock_GetName(WithoutMatchers(), nullptr)'.
// MockSpec<string&()> gmock_GetName(
// const WithoutMatchers&, const Function<string&()>*) const {
// // Removes const from this, calls overload 1
// return AdjustConstness_(this)->gmock_GetName();
// }
//
// // Overload 3
// const string& gmock_GetName() const { ... }
// // Overload 4
// MockSpec<const string&()> gmock_GetName(
// const WithoutMatchers&, const Function<const string&()>*) const {
// // Does not remove const, calls overload 3
// return AdjustConstness_const(this)->gmock_GetName();
// }
// }
//
template <typename MockType>
const MockType* AdjustConstness_const(const MockType* mock) {
return mock;
}
// Removes const from and returns the given pointer; this is a helper for the
// expectation setter method for parameterless matchers.
template <typename MockType>
MockType* AdjustConstness_(const MockType* mock) {
return const_cast<MockType*>(mock);
}
} // namespace internal
// The style guide prohibits "using" statements in a namespace scope
// inside a header file. However, the FunctionMocker class template
// is meant to be defined in the ::testing namespace. The following
// line is just a trick for working around a bug in MSVC 8.0, which
// cannot handle it if we define FunctionMocker in ::testing.
using internal::FunctionMocker;
// GMOCK_RESULT_(tn, F) expands to the result type of function type F.
// We define this as a variadic macro in case F contains unprotected
// commas (the same reason that we use variadic macros in other places
// in this file).
// INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!!
#define GMOCK_RESULT_(...) \
typename ::testing::internal::Function<__VA_ARGS__>::Result
// The type of argument N of the given function type.
// INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!!
#define GMOCK_ARG_(N, ...) \
typename ::testing::internal::Function<__VA_ARGS__>::template Arg<N-1>::type
// The matcher type for argument N of the given function type.
// INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!!
#define GMOCK_MATCHER_(N, ...) \
const ::testing::Matcher<GMOCK_ARG_(N, __VA_ARGS__)>&
// The variable for mocking the given method.
// INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!!
#define GMOCK_MOCKER_(arity, constness, Method) \
GTEST_CONCAT_TOKEN_(gmock##constness##arity##_##Method##_, __LINE__)
$for i [[
$range j 1..i
$var arg_as = [[$for j, [[GMOCK_ARG_($j, __VA_ARGS__) gmock_a$j]]]]
$var as = [[$for j, \
[[::std::forward<GMOCK_ARG_($j, __VA_ARGS__)>(gmock_a$j)]]]]
$var matcher_arg_as = [[$for j, \
[[GMOCK_MATCHER_($j, __VA_ARGS__) gmock_a$j]]]]
$var matcher_as = [[$for j, [[gmock_a$j]]]]
$var anything_matchers = [[$for j, \
[[::testing::A<GMOCK_ARG_($j, __VA_ARGS__)>()]]]]
// INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!!
#define GMOCK_METHOD$i[[]]_(constness, ct, Method, ...) \
static_assert($i == ::testing::internal::Function<__VA_ARGS__>::ArgumentCount, "MOCK_METHOD<N> must match argument count.");\
GMOCK_RESULT_(__VA_ARGS__) ct Method( \
$arg_as) constness { \
GMOCK_MOCKER_($i, constness, Method).SetOwnerAndName(this, #Method); \
return GMOCK_MOCKER_($i, constness, Method).Invoke($as); \
} \
::testing::MockSpec<__VA_ARGS__> \
gmock_##Method($matcher_arg_as) constness { \
GMOCK_MOCKER_($i, constness, Method).RegisterOwner(this); \
return GMOCK_MOCKER_($i, constness, Method).With($matcher_as); \
} \
::testing::MockSpec<__VA_ARGS__> gmock_##Method( \
const ::testing::internal::WithoutMatchers&, \
constness ::testing::internal::Function<__VA_ARGS__>* ) const { \
return ::testing::internal::AdjustConstness_##constness(this)-> \
gmock_##Method($anything_matchers); \
} \
mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_($i, constness, Method)
]]
} // namespace testing
#endif // GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_FUNCTION_MOCKERS_H_