55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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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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* http://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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*/
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#define LOG_TAG "mediautils_scopedstatistics_tests"
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#include <mediautils/ScopedStatistics.h>
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#include <atomic>
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#include <chrono>
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#include <gtest/gtest.h>
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#include <thread>
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#include <utils/Log.h>
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using namespace android::mediautils;
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using namespace std::chrono_literals;
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TEST(mediautils_scopedstatistics_tests, basic) {
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auto methodStatistics = std::make_shared<MethodStatistics<std::string>>();
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std::string METHOD_NAME{"MyMethod"};
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// no stats before
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auto empty = methodStatistics->getStatistics(METHOD_NAME);
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ASSERT_EQ(0, empty.getN());
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// create a scoped statistics object.
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{
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ScopedStatistics scopedStatistics(METHOD_NAME, methodStatistics);
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std::this_thread::sleep_for(100ms);
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}
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// check that some stats were logged.
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auto stats = methodStatistics->getStatistics(METHOD_NAME);
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ASSERT_EQ(1, stats.getN());
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auto mean = stats.getMean();
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// mean should be about 100ms, but to avoid false failures,
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// we check 50ms < mean < 300ms.
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ASSERT_GT(mean, 50.); // took more than 50ms.
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ASSERT_LT(mean, 300.); // took less than 300ms.
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}
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