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131 lines
4.0 KiB
131 lines
4.0 KiB
4 months ago
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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef TESTING_GMOCK_MUTANT_H_
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#define TESTING_GMOCK_MUTANT_H_
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// The intention of this file is to make possible using GMock actions in
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// all of its syntactic beauty.
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//
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//
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// Sample usage with gMock:
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//
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// struct Mock : public ObjectDelegate {
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// MOCK_METHOD2(string, OnRequest(int n, const string& request));
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// MOCK_METHOD1(void, OnQuit(int exit_code));
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// MOCK_METHOD2(void, LogMessage(int level, const string& message));
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//
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// string HandleFlowers(const string& reply, int n, const string& request) {
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// string result = SStringPrintf("In request of %d %s ", n, request);
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// for (int i = 0; i < n; ++i) result.append(reply)
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// return result;
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// }
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//
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// void DoLogMessage(int level, const string& message) {
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// }
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//
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// void QuitMessageLoop(int seconds) {
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// base::MessageLoop* loop = base::MessageLoop::current();
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// loop->PostDelayedTask(FROM_HERE,
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// base::MessageLoop::QuitWhenIdleClosure(),
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// 1000 * seconds);
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// }
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// };
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//
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// Mock mock;
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// // Will invoke mock.HandleFlowers("orchids", n, request)
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// // "orchids" is a pre-bound argument, and <n> and <request> are call-time
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// // arguments - they are not known until the OnRequest mock is invoked.
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// EXPECT_CALL(mock, OnRequest(Ge(5), base::StartsWith("flower"))
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// .Times(1)
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// .WillOnce(Invoke(CreateFunctor(
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// &Mock::HandleFlowers, base::Unretained(&mock), string("orchids"))));
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//
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//
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// // No pre-bound arguments, two call-time arguments passed
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// // directly to DoLogMessage
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// EXPECT_CALL(mock, OnLogMessage(_, _))
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// .Times(AnyNumber())
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// .WillAlways(Invoke(CreateFunctor(
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// &Mock::DoLogMessage, base::Unretained(&mock))));
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//
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//
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// // In this case we have a single pre-bound argument - 3. We ignore
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// // all of the arguments of OnQuit.
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// EXCEPT_CALL(mock, OnQuit(_))
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// .Times(1)
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// .WillOnce(InvokeWithoutArgs(CreateFunctor(
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// &Mock::QuitMessageLoop, base::Unretained(&mock), 3)));
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//
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// MessageLoop loop;
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// loop.Run();
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//
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//
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// // Here is another example of how we can set an action that invokes
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// // method of an object that is not yet created.
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// struct Mock : public ObjectDelegate {
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// MOCK_METHOD1(void, DemiurgeCreated(Demiurge*));
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// MOCK_METHOD2(void, OnRequest(int count, const string&));
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//
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// void StoreDemiurge(Demiurge* w) {
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// demiurge_ = w;
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// }
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//
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// Demiurge* demiurge;
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// }
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//
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// EXPECT_CALL(mock, DemiurgeCreated(_)).Times(1)
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// .WillOnce(Invoke(CreateFunctor(
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// &Mock::StoreDemiurge, base::Unretained(&mock))));
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//
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// EXPECT_CALL(mock, OnRequest(_, StrEq("Moby Dick")))
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// .Times(AnyNumber())
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// .WillAlways(WithArgs<0>(Invoke(CreateFunctor(
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// &Demiurge::DecreaseMonsters, base::Unretained(&mock->demiurge_)))));
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//
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#include "base/bind.h"
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namespace testing {
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template <typename Signature>
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class CallbackToFunctorHelper;
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template <typename R, typename... Args>
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class CallbackToFunctorHelper<R(Args...)> {
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public:
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explicit CallbackToFunctorHelper(const base::Callback<R(Args...)>& cb)
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: cb_(cb) {}
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template <typename... RunArgs>
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R operator()(RunArgs&&... args) {
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return cb_.Run(std::forward<RunArgs>(args)...);
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}
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private:
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base::Callback<R(Args...)> cb_;
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};
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template <typename Signature>
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CallbackToFunctorHelper<Signature>
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CallbackToFunctor(const base::Callback<Signature>& cb) {
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return CallbackToFunctorHelper<Signature>(cb);
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}
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template <typename Functor>
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CallbackToFunctorHelper<typename Functor::RunType> CreateFunctor(
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Functor functor) {
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return CallbackToFunctor(functor);
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}
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template <typename Functor, typename... BoundArgs>
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CallbackToFunctorHelper<base::MakeUnboundRunType<Functor, BoundArgs...>>
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CreateFunctor(Functor functor, const BoundArgs&... args) {
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return CallbackToFunctor(base::Bind(functor, args...));
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}
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} // namespace testing
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#endif // TESTING_GMOCK_MUTANT_H_
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