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59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
// Copyright 2021 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef THIRD_PARTY_NEARBY_INTERNAL_TEST_FAKE_CLOCK_H_
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#define THIRD_PARTY_NEARBY_INTERNAL_TEST_FAKE_CLOCK_H_
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#include <functional>
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#include <string>
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#include "absl/base/thread_annotations.h"
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#include "absl/container/flat_hash_map.h"
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#include "absl/strings/string_view.h"
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#include "absl/synchronization/mutex.h"
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#include "absl/time/clock.h"
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#include "absl/time/time.h"
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#include "internal/platform/clock.h"
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namespace nearby {
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class FakeClock : public Clock {
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public:
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FakeClock() { now_ = absl::Now(); }
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FakeClock(FakeClock&&) = default;
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FakeClock& operator=(FakeClock&&) = default;
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~FakeClock() override ABSL_LOCKS_EXCLUDED(mutex_);
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absl::Time Now() const override;
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void AddObserver(absl::string_view name, std::function<void()> observer)
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ABSL_LOCKS_EXCLUDED(mutex_);
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void RemoveObserver(absl::string_view name) ABSL_LOCKS_EXCLUDED(mutex_);
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void FastForward(absl::Duration duration);
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int GetObserversCount() ABSL_LOCKS_EXCLUDED(mutex_);
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void Reset() ABSL_LOCKS_EXCLUDED(mutex_);
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private:
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mutable absl::Mutex mutex_;
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absl::Time now_ ABSL_GUARDED_BY(mutex_);
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absl::flat_hash_map<std::string, std::function<void()>> observers_
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ABSL_GUARDED_BY(mutex_);
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};
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} // namespace nearby
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#endif // THIRD_PARTY_NEARBY_INTERNAL_TEST_FAKE_CLOCK_H_
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