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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_BOREALIS_TESTING_CALLBACK_FACTORY_H_
#define CHROME_BROWSER_ASH_BOREALIS_TESTING_CALLBACK_FACTORY_H_
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "testing/gmock/include/gmock/gmock.h"
namespace borealis {
// A Factory object that creates callbacks with signature |F|. Deleting this
// object invalidates all callbacks created by it.
//
// The callbacks created by this factory are 'naggy' in the sense that
// uninteresting calls on it will cause a warning to be printed.
//
// Prefer to use the NiceCallbackFactory where possible (see
// go/gmock-cookbook#NiceStrictNaggy)
template <typename F>
class NaggyCallbackFactory : public ::testing::MockFunction<F> {
public:
// Create a callback object which will call the MockFunction's Call() method
// at most once.
base::OnceCallback<F> BindOnce() {
return base::BindOnce(&NaggyCallbackFactory<F>::Call,
weak_factory_.GetWeakPtr());
}
// Create a callback object which will call the MockFunction's Call() method
// zero or more times.
base::RepeatingCallback<F> BindRepeating() {
return base::BindRepeating(&NaggyCallbackFactory<F>::Call,
weak_factory_.GetWeakPtr());
}
private:
base::WeakPtrFactory<NaggyCallbackFactory<F>> weak_factory_{this};
};
// As above, but uninteresting calls will be errors.
//
// Prefer to use the NiceCallbackFactory where possible (see
// go/gmock-cookbook#NiceStrictNaggy)
template <typename F>
using StrictCallbackFactory = ::testing::StrictMock<NaggyCallbackFactory<F>>;
// As above, but uninteresting calls will be ignored.
//
// We recommend using this factory in preference to the others, see
// go/gmock-cookbook#NiceStrictNaggy for more information.
template <typename F>
using NiceCallbackFactory = ::testing::NiceMock<NaggyCallbackFactory<F>>;
} // namespace borealis
#endif // CHROME_BROWSER_ASH_BOREALIS_TESTING_CALLBACK_FACTORY_H_
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