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Merge pull request #1980 from stweil/unittest
unittest: Add baseapi_test, fileio_test and qrsequence_test
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| // (C) Copyright 2017, Google Inc. | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // Portability include to match the Google test environment. | ||
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| #ifndef TESSERACT_UNITTEST_CYCLETIMER_H | ||
| #define TESSERACT_UNITTEST_CYCLETIMER_H | ||
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| #include "absl/time/clock.h" // for GetCurrentTimeNanos | ||
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| // See https://github.com/google/or-tools/blob/master/ortools/base/timer.h | ||
| class CycleTimer { | ||
| public: | ||
| CycleTimer() { | ||
| Reset(); | ||
| } | ||
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| void Reset() { | ||
| running_ = false; | ||
| sum_ = 0; | ||
| } | ||
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| // When Start() is called multiple times, only the most recent is used. | ||
| void Start() { | ||
| running_ = true; | ||
| start_ = absl::GetCurrentTimeNanos(); | ||
| } | ||
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| void Restart() { | ||
| sum_ = 0; | ||
| Start(); | ||
| } | ||
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| void Stop() { | ||
| if (running_) { | ||
| sum_ += absl::GetCurrentTimeNanos() - start_; | ||
| running_ = false; | ||
| } | ||
| } | ||
| int64_t GetInMs() const { return GetNanos() / 1000000; } | ||
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| protected: | ||
| int64_t GetNanos() const { | ||
| return running_ ? absl::GetCurrentTimeNanos() - start_ + sum_ : sum_; | ||
| } | ||
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| private: | ||
| bool running_; | ||
| int64_t start_; | ||
| int64_t sum_; | ||
| }; | ||
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| #endif // TESSERACT_UNITTEST_CYCLETIMER_H |
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