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authorRoland Reichwein <mail@reichwein.it>2020-04-02 17:09:58 +0200
committerRoland Reichwein <mail@reichwein.it>2020-04-02 17:09:58 +0200
commit709ba7ae8df8ce358e56b77c732f00e95a428259 (patch)
tree8a0dc48a9b7e068b3641892eafbc1cee34c5549d /googlemock/include/gmock/gmock-generated-function-mockers.h.pump
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+$$ -*- mode: c++; -*-
+$$ 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 "gmock/gmock-spec-builders.h"
+#include "gmock/internal/gmock-internal-utils.h"
+
+#if GTEST_HAS_STD_FUNCTION_
+# include <functional>
+#endif
+
+namespace testing {
+namespace internal {
+
+template <typename F>
+class FunctionMockerBase;
+
+// Note: class FunctionMocker really belongs to the ::testing
+// namespace. However if we define it in ::testing, MSVC will
+// complain when classes in ::testing::internal declare it as a
+// friend class template. To workaround this compiler bug, we define
+// FunctionMocker in ::testing::internal and import it into ::testing.
+template <typename F>
+class FunctionMocker;
+
+
+$range i 0..n
+$for i [[
+$range j 1..i
+$var typename_As = [[$for j [[, typename A$j]]]]
+$var As = [[$for j, [[A$j]]]]
+$var as = [[$for j, [[internal::forward<A$j>(a$j)]]]]
+$var Aas = [[$for j, [[A$j a$j]]]]
+$var ms = [[$for j, [[m$j]]]]
+$var matchers = [[$for j, [[const Matcher<A$j>& m$j]]]]
+template <typename R$typename_As>
+class FunctionMocker<R($As)> : public
+ internal::FunctionMockerBase<R($As)> {
+ public:
+ typedef R F($As);
+ typedef typename internal::Function<F>::ArgumentTuple ArgumentTuple;
+
+ MockSpec<F> With($matchers) {
+ return MockSpec<F>(this, ::testing::make_tuple($ms));
+ }
+
+ R Invoke($Aas) {
+ // Even though gcc and MSVC don't enforce it, 'this->' is required
+ // by the C++ standard [14.6.4] here, as the base class type is
+ // dependent on the template argument (and thus shouldn't be
+ // looked into when resolving InvokeWith).
+ return this->InvokeWith(ArgumentTuple($as));
+ }
+};
+
+
+]]
+// 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_(tn, ...) \
+ tn ::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_(tn, N, ...) \
+ tn ::testing::internal::Function<__VA_ARGS__>::Argument##N
+
+// The matcher type for argument N of the given function type.
+// INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!!
+#define GMOCK_MATCHER_(tn, N, ...) \
+ const ::testing::Matcher<GMOCK_ARG_(tn, 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_(tn, $j, __VA_ARGS__) gmock_a$j]]]]
+$var as = [[$for j, \
+ [[::testing::internal::forward<GMOCK_ARG_(tn, $j, __VA_ARGS__)>(gmock_a$j)]]]]
+$var matcher_arg_as = [[$for j, \
+ [[GMOCK_MATCHER_(tn, $j, __VA_ARGS__) gmock_a$j]]]]
+$var matcher_as = [[$for j, [[gmock_a$j]]]]
+$var anything_matchers = [[$for j, \
+ [[::testing::A<GMOCK_ARG_(tn, $j, __VA_ARGS__)>()]]]]
+// INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!!
+#define GMOCK_METHOD$i[[]]_(tn, constness, ct, Method, ...) \
+ GMOCK_RESULT_(tn, __VA_ARGS__) ct Method( \
+ $arg_as) constness { \
+ GTEST_COMPILE_ASSERT_((::testing::tuple_size< \
+ tn ::testing::internal::Function<__VA_ARGS__>::ArgumentTuple>::value == $i), \
+ this_method_does_not_take_$i[[]]_argument[[$if i != 1 [[s]]]]); \
+ GMOCK_MOCKER_($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)
+
+
+]]
+$for i [[
+#define MOCK_METHOD$i(m, ...) GMOCK_METHOD$i[[]]_(, , , m, __VA_ARGS__)
+
+]]
+
+
+$for i [[
+#define MOCK_CONST_METHOD$i(m, ...) GMOCK_METHOD$i[[]]_(, const, , m, __VA_ARGS__)
+
+]]
+
+
+$for i [[
+#define MOCK_METHOD$i[[]]_T(m, ...) GMOCK_METHOD$i[[]]_(typename, , , m, __VA_ARGS__)
+
+]]
+
+
+$for i [[
+#define MOCK_CONST_METHOD$i[[]]_T(m, ...) \
+ GMOCK_METHOD$i[[]]_(typename, const, , m, __VA_ARGS__)
+
+]]
+
+
+$for i [[
+#define MOCK_METHOD$i[[]]_WITH_CALLTYPE(ct, m, ...) \
+ GMOCK_METHOD$i[[]]_(, , ct, m, __VA_ARGS__)
+
+]]
+
+
+$for i [[
+#define MOCK_CONST_METHOD$i[[]]_WITH_CALLTYPE(ct, m, ...) \
+ GMOCK_METHOD$i[[]]_(, const, ct, m, __VA_ARGS__)
+
+]]
+
+
+$for i [[
+#define MOCK_METHOD$i[[]]_T_WITH_CALLTYPE(ct, m, ...) \
+ GMOCK_METHOD$i[[]]_(typename, , ct, m, __VA_ARGS__)
+
+]]
+
+
+$for i [[
+#define MOCK_CONST_METHOD$i[[]]_T_WITH_CALLTYPE(ct, m, ...) \
+ GMOCK_METHOD$i[[]]_(typename, const, ct, m, __VA_ARGS__)
+
+]]
+
+// A MockFunction<F> class has one mock method whose type is F. It is
+// useful when you just want your test code to emit some messages and
+// have Google Mock verify the right messages are sent (and perhaps at
+// the right times). For example, if you are exercising code:
+//
+// Foo(1);
+// Foo(2);
+// Foo(3);
+//
+// and want to verify that Foo(1) and Foo(3) both invoke
+// mock.Bar("a"), but Foo(2) doesn't invoke anything, you can write:
+//
+// TEST(FooTest, InvokesBarCorrectly) {
+// MyMock mock;
+// MockFunction<void(string check_point_name)> check;
+// {
+// InSequence s;
+//
+// EXPECT_CALL(mock, Bar("a"));
+// EXPECT_CALL(check, Call("1"));
+// EXPECT_CALL(check, Call("2"));
+// EXPECT_CALL(mock, Bar("a"));
+// }
+// Foo(1);
+// check.Call("1");
+// Foo(2);
+// check.Call("2");
+// Foo(3);
+// }
+//
+// The expectation spec says that the first Bar("a") must happen
+// before check point "1", the second Bar("a") must happen after check
+// point "2", and nothing should happen between the two check
+// points. The explicit check points make it easy to tell which
+// Bar("a") is called by which call to Foo().
+//
+// MockFunction<F> can also be used to exercise code that accepts
+// std::function<F> callbacks. To do so, use AsStdFunction() method
+// to create std::function proxy forwarding to original object's Call.
+// Example:
+//
+// TEST(FooTest, RunsCallbackWithBarArgument) {
+// MockFunction<int(string)> callback;
+// EXPECT_CALL(callback, Call("bar")).WillOnce(Return(1));
+// Foo(callback.AsStdFunction());
+// }
+template <typename F>
+class MockFunction;
+
+
+$for i [[
+$range j 0..i-1
+$var ArgTypes = [[$for j, [[A$j]]]]
+$var ArgValues = [[$for j, [[::std::move(a$j)]]]]
+$var ArgDecls = [[$for j, [[A$j a$j]]]]
+template <typename R$for j [[, typename A$j]]>
+class MockFunction<R($ArgTypes)> {
+ public:
+ MockFunction() {}
+
+ MOCK_METHOD$i[[]]_T(Call, R($ArgTypes));
+
+#if GTEST_HAS_STD_FUNCTION_
+ ::std::function<R($ArgTypes)> AsStdFunction() {
+ return [this]($ArgDecls) -> R {
+ return this->Call($ArgValues);
+ };
+ }
+#endif // GTEST_HAS_STD_FUNCTION_
+
+ private:
+ GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFunction);
+};
+
+
+]]
+} // namespace testing
+
+#endif // GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_FUNCTION_MOCKERS_H_