73 lines
2.4 KiB
C++
73 lines
2.4 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 "methodstatistics_tests"
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#include <mediautils/MethodStatistics.h>
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#include <atomic>
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#include <gtest/gtest.h>
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#include <utils/Log.h>
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using namespace android::mediautils;
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using CodeType = size_t;
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constexpr CodeType HELLO_CODE = 10;
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constexpr const char * HELLO_NAME = "hello";
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constexpr float HELLO_EVENTS[] = { 1.f, 3.f }; // needs lossless average
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constexpr CodeType WORLD_CODE = 21;
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constexpr const char * WORLD_NAME = "world";
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constexpr CodeType UNKNOWN_CODE = 12345;
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TEST(methodstatistics_tests, method_names) {
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const MethodStatistics<CodeType> methodStatistics{
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{HELLO_CODE, HELLO_NAME},
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{WORLD_CODE, WORLD_NAME},
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};
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ASSERT_EQ(std::string(HELLO_NAME), methodStatistics.getMethodForCode(HELLO_CODE));
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ASSERT_EQ(std::string(WORLD_NAME), methodStatistics.getMethodForCode(WORLD_CODE));
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// an unknown code returns itself as a number.
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ASSERT_EQ(std::to_string(UNKNOWN_CODE), methodStatistics.getMethodForCode(UNKNOWN_CODE));
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}
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TEST(methodstatistics_tests, events) {
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MethodStatistics<CodeType> methodStatistics{
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{HELLO_CODE, HELLO_NAME},
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{WORLD_CODE, WORLD_NAME},
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};
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size_t n = 0;
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float sum = 0.f;
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for (const auto event : HELLO_EVENTS) {
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methodStatistics.event(HELLO_CODE, event);
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sum += event;
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++n;
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}
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const auto helloStats = methodStatistics.getStatistics(HELLO_CODE);
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ASSERT_EQ((signed)n, helloStats.getN());
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ASSERT_EQ(sum / n, helloStats.getMean());
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ASSERT_EQ(n, methodStatistics.getMethodCount(HELLO_CODE));
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const auto unsetStats = methodStatistics.getStatistics(UNKNOWN_CODE);
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ASSERT_EQ(0, unsetStats.getN());
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ASSERT_EQ(0.f, unsetStats.getMean());
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ASSERT_EQ(0U, methodStatistics.getMethodCount(UNKNOWN_CODE));
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}
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