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265 lines
8.4 KiB
265 lines
8.4 KiB
$$ -*- mode: c++; -*- |
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$$ This is a Pump source file. Please use Pump to convert it to |
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$$ gmock-generated-function-mockers.h. |
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$$ |
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$var n = 10 $$ The maximum arity we support. |
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// Copyright 2007, Google Inc. |
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// All rights reserved. |
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// |
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// Redistribution and use in source and binary forms, with or without |
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// modification, are permitted provided that the following conditions are |
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// met: |
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// |
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// * Redistributions of source code must retain the above copyright |
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// notice, this list of conditions and the following disclaimer. |
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// * Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following disclaimer |
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// in the documentation and/or other materials provided with the |
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// distribution. |
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// * Neither the name of Google Inc. nor the names of its |
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// contributors may be used to endorse or promote products derived from |
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// this software without specific prior written permission. |
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// |
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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// |
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// Author: wan@google.com (Zhanyong Wan) |
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// Google Mock - a framework for writing C++ mock classes. |
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// |
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// This file implements function mockers of various arities. |
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#ifndef GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_FUNCTION_MOCKERS_H_ |
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#define GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_FUNCTION_MOCKERS_H_ |
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#include "gmock/gmock-spec-builders.h" |
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#include "gmock/internal/gmock-internal-utils.h" |
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namespace testing { |
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namespace internal { |
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template <typename F> |
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class FunctionMockerBase; |
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// Note: class FunctionMocker really belongs to the ::testing |
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// namespace. However if we define it in ::testing, MSVC will |
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// complain when classes in ::testing::internal declare it as a |
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// friend class template. To workaround this compiler bug, we define |
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// FunctionMocker in ::testing::internal and import it into ::testing. |
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template <typename F> |
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class FunctionMocker; |
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$range i 0..n |
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$for i [[ |
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$range j 1..i |
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$var typename_As = [[$for j [[, typename A$j]]]] |
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$var As = [[$for j, [[A$j]]]] |
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$var as = [[$for j, [[a$j]]]] |
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$var Aas = [[$for j, [[A$j a$j]]]] |
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$var ms = [[$for j, [[m$j]]]] |
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$var matchers = [[$for j, [[const Matcher<A$j>& m$j]]]] |
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template <typename R$typename_As> |
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class FunctionMocker<R($As)> : public |
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internal::FunctionMockerBase<R($As)> { |
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public: |
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typedef R F($As); |
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typedef typename internal::Function<F>::ArgumentTuple ArgumentTuple; |
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MockSpec<F>& With($matchers) { |
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$if i >= 1 [[ |
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this->current_spec().SetMatchers(::std::tr1::make_tuple($ms)); |
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]] |
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return this->current_spec(); |
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} |
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R Invoke($Aas) { |
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// Even though gcc and MSVC don't enforce it, 'this->' is required |
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// by the C++ standard [14.6.4] here, as the base class type is |
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// dependent on the template argument (and thus shouldn't be |
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// looked into when resolving InvokeWith). |
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return this->InvokeWith(ArgumentTuple($as)); |
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} |
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}; |
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]] |
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} // namespace internal |
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// The style guide prohibits "using" statements in a namespace scope |
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// inside a header file. However, the FunctionMocker class template |
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// is meant to be defined in the ::testing namespace. The following |
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// line is just a trick for working around a bug in MSVC 8.0, which |
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// cannot handle it if we define FunctionMocker in ::testing. |
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using internal::FunctionMocker; |
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// GMOCK_RESULT_(tn, F) expands to the result type of function type F. |
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// We define this as a variadic macro in case F contains unprotected |
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// commas (the same reason that we use variadic macros in other places |
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// in this file). |
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// INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!! |
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#define GMOCK_RESULT_(tn, ...) \ |
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tn ::testing::internal::Function<__VA_ARGS__>::Result |
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// The type of argument N of the given function type. |
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// INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!! |
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#define GMOCK_ARG_(tn, N, ...) \ |
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tn ::testing::internal::Function<__VA_ARGS__>::Argument##N |
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// The matcher type for argument N of the given function type. |
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// INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!! |
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#define GMOCK_MATCHER_(tn, N, ...) \ |
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const ::testing::Matcher<GMOCK_ARG_(tn, N, __VA_ARGS__)>& |
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// The variable for mocking the given method. |
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// INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!! |
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#define GMOCK_MOCKER_(arity, constness, Method) \ |
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GTEST_CONCAT_TOKEN_(gmock##constness##arity##_##Method##_, __LINE__) |
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$for i [[ |
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$range j 1..i |
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$var arg_as = [[$for j, \ |
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[[GMOCK_ARG_(tn, $j, __VA_ARGS__) gmock_a$j]]]] |
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$var as = [[$for j, [[gmock_a$j]]]] |
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$var matcher_as = [[$for j, \ |
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[[GMOCK_MATCHER_(tn, $j, __VA_ARGS__) gmock_a$j]]]] |
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// INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!! |
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#define GMOCK_METHOD$i[[]]_(tn, constness, ct, Method, ...) \ |
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GMOCK_RESULT_(tn, __VA_ARGS__) ct Method( \ |
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$arg_as) constness { \ |
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GTEST_COMPILE_ASSERT_((::std::tr1::tuple_size< \ |
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tn ::testing::internal::Function<__VA_ARGS__>::ArgumentTuple>::value == $i), \ |
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this_method_does_not_take_$i[[]]_argument[[$if i != 1 [[s]]]]); \ |
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GMOCK_MOCKER_($i, constness, Method).SetOwnerAndName(this, #Method); \ |
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return GMOCK_MOCKER_($i, constness, Method).Invoke($as); \ |
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} \ |
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::testing::MockSpec<__VA_ARGS__>& \ |
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gmock_##Method($matcher_as) constness { \ |
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GMOCK_MOCKER_($i, constness, Method).RegisterOwner(this); \ |
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return GMOCK_MOCKER_($i, constness, Method).With($as); \ |
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} \ |
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mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_($i, constness, Method) |
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]] |
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$for i [[ |
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#define MOCK_METHOD$i(m, ...) GMOCK_METHOD$i[[]]_(, , , m, __VA_ARGS__) |
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]] |
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$for i [[ |
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#define MOCK_CONST_METHOD$i(m, ...) GMOCK_METHOD$i[[]]_(, const, , m, __VA_ARGS__) |
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]] |
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$for i [[ |
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#define MOCK_METHOD$i[[]]_T(m, ...) GMOCK_METHOD$i[[]]_(typename, , , m, __VA_ARGS__) |
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]] |
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$for i [[ |
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#define MOCK_CONST_METHOD$i[[]]_T(m, ...) \ |
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GMOCK_METHOD$i[[]]_(typename, const, , m, __VA_ARGS__) |
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]] |
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$for i [[ |
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#define MOCK_METHOD$i[[]]_WITH_CALLTYPE(ct, m, ...) \ |
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GMOCK_METHOD$i[[]]_(, , ct, m, __VA_ARGS__) |
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]] |
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$for i [[ |
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#define MOCK_CONST_METHOD$i[[]]_WITH_CALLTYPE(ct, m, ...) \ |
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GMOCK_METHOD$i[[]]_(, const, ct, m, __VA_ARGS__) |
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]] |
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$for i [[ |
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#define MOCK_METHOD$i[[]]_T_WITH_CALLTYPE(ct, m, ...) \ |
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GMOCK_METHOD$i[[]]_(typename, , ct, m, __VA_ARGS__) |
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]] |
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$for i [[ |
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#define MOCK_CONST_METHOD$i[[]]_T_WITH_CALLTYPE(ct, m, ...) \ |
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GMOCK_METHOD$i[[]]_(typename, const, ct, m, __VA_ARGS__) |
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]] |
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// A MockFunction<F> class has one mock method whose type is F. It is |
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// useful when you just want your test code to emit some messages and |
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// have Google Mock verify the right messages are sent (and perhaps at |
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// the right times). For example, if you are exercising code: |
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// |
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// Foo(1); |
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// Foo(2); |
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// Foo(3); |
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// |
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// and want to verify that Foo(1) and Foo(3) both invoke |
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// mock.Bar("a"), but Foo(2) doesn't invoke anything, you can write: |
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// |
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// TEST(FooTest, InvokesBarCorrectly) { |
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// MyMock mock; |
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// MockFunction<void(string check_point_name)> check; |
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// { |
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// InSequence s; |
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// |
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// EXPECT_CALL(mock, Bar("a")); |
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// EXPECT_CALL(check, Call("1")); |
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// EXPECT_CALL(check, Call("2")); |
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// EXPECT_CALL(mock, Bar("a")); |
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// } |
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// Foo(1); |
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// check.Call("1"); |
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// Foo(2); |
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// check.Call("2"); |
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// Foo(3); |
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// } |
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// |
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// The expectation spec says that the first Bar("a") must happen |
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// before check point "1", the second Bar("a") must happen after check |
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// point "2", and nothing should happen between the two check |
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// points. The explicit check points make it easy to tell which |
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// Bar("a") is called by which call to Foo(). |
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template <typename F> |
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class MockFunction; |
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$for i [[ |
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$range j 0..i-1 |
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template <typename R$for j [[, typename A$j]]> |
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class MockFunction<R($for j, [[A$j]])> { |
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public: |
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MockFunction() {} |
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MOCK_METHOD$i[[]]_T(Call, R($for j, [[A$j]])); |
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private: |
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GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFunction); |
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}; |
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]] |
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} // namespace testing |
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#endif // GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_FUNCTION_MOCKERS_H_
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