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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "test/testsupport/perf_test.h"
#include <algorithm>
#include <limits>
#include <string>
#include "test/gmock.h"
#include "test/gtest.h"
#include "test/testsupport/rtc_expect_death.h"
#if WEBRTC_ENABLE_PROTOBUF
#include "third_party/catapult/tracing/tracing/value/histogram.h"
namespace proto = catapult::tracing::tracing::proto;
#endif
namespace webrtc {
namespace test {
class PerfTest : public ::testing::Test {
protected:
void TearDown() override { ClearPerfResults(); }
};
#if defined(WEBRTC_IOS)
#define MAYBE_TestPrintResult DISABLED_TestPrintResult
#else
#define MAYBE_TestPrintResult TestPrintResult
#endif
TEST_F(PerfTest, MAYBE_TestPrintResult) {
::testing::internal::CaptureStdout();
std::string expected;
expected += "RESULT measurementmodifier: trace= 42 units\n";
PrintResult("measurement", "modifier", "trace", 42, "units", false);
expected += "*RESULT foobar: baz_v= 1423730 widgets\n";
PrintResult("foo", "bar", "baz_v", 1423730, "widgets", true);
expected += "RESULT foobar: baz_me= {1,2} lemurs\n";
PrintResultMeanAndError("foo", "bar", "baz_me", 1, 2, "lemurs", false);
const double kListOfScalars[] = {1, 2, 3};
expected += "RESULT foobar: baz_vl= [1,2,3] units\n";
PrintResultList("foo", "bar", "baz_vl", kListOfScalars, "units", false);
EXPECT_EQ(expected, ::testing::internal::GetCapturedStdout());
}
TEST_F(PerfTest, TestClearPerfResults) {
PrintResult("measurement", "modifier", "trace", 42, "units", false);
ClearPerfResults();
EXPECT_EQ("", GetPerfResults());
}
#if WEBRTC_ENABLE_PROTOBUF
TEST_F(PerfTest, TestGetPerfResultsHistograms) {
ClearPerfResults();
PrintResult("measurement", "_modifier", "story_1", 42, "ms", false);
PrintResult("foo", "bar", "story_1", 7, "sigma", true);
// Note: the error will be ignored, not supported by histograms.
PrintResultMeanAndError("foo", "bar", "story_1", 1, 2000, "sigma", false);
const double kListOfScalars[] = {1, 2, 3};
PrintResultList("foo", "bar", "story_1", kListOfScalars, "sigma", false);
proto::HistogramSet histogram_set;
EXPECT_TRUE(histogram_set.ParseFromString(GetPerfResults()))
<< "Expected valid histogram set";
ASSERT_EQ(histogram_set.histograms_size(), 2)
<< "Should be two histograms: foobar and measurement_modifier";
const proto::Histogram& hist1 = histogram_set.histograms(0);
const proto::Histogram& hist2 = histogram_set.histograms(1);
EXPECT_EQ(hist1.name(), "foobar");
// Spot check some things in here (there's a more thorough test on the
// histogram writer itself).
EXPECT_EQ(hist1.unit().unit(), proto::SIGMA);
EXPECT_EQ(hist1.sample_values_size(), 5);
EXPECT_EQ(hist1.sample_values(0), 7);
EXPECT_EQ(hist1.sample_values(1), 1);
EXPECT_EQ(hist1.sample_values(2), 1);
EXPECT_EQ(hist1.sample_values(3), 2);
EXPECT_EQ(hist1.sample_values(4), 3);
EXPECT_EQ(hist1.diagnostics().diagnostic_map().count("stories"), 1u);
const proto::Diagnostic& stories =
hist1.diagnostics().diagnostic_map().at("stories");
ASSERT_EQ(stories.generic_set().values_size(), 1);
EXPECT_EQ(stories.generic_set().values(0), "\"story_1\"");
EXPECT_EQ(hist2.name(), "measurement_modifier");
EXPECT_EQ(hist2.unit().unit(), proto::MS_BEST_FIT_FORMAT);
}
TEST_F(PerfTest, TestGetPerfResultsHistogramsWithEmptyCounter) {
ClearPerfResults();
::testing::internal::CaptureStdout();
SamplesStatsCounter empty_counter;
PrintResult("measurement", "_modifier", "story", empty_counter, "ms", false);
proto::HistogramSet histogram_set;
EXPECT_TRUE(histogram_set.ParseFromString(GetPerfResults()))
<< "Expected valid histogram set";
ASSERT_EQ(histogram_set.histograms_size(), 1)
<< "Should be one histogram: measurement_modifier";
const proto::Histogram& hist = histogram_set.histograms(0);
EXPECT_EQ(hist.name(), "measurement_modifier");
// Spot check some things in here (there's a more thorough test on the
// histogram writer itself).
EXPECT_EQ(hist.unit().unit(), proto::MS_BEST_FIT_FORMAT);
EXPECT_EQ(hist.sample_values_size(), 1);
EXPECT_EQ(hist.sample_values(0), 0);
EXPECT_EQ(hist.diagnostics().diagnostic_map().count("stories"), 1u);
const proto::Diagnostic& stories =
hist.diagnostics().diagnostic_map().at("stories");
ASSERT_EQ(stories.generic_set().values_size(), 1);
EXPECT_EQ(stories.generic_set().values(0), "\"story\"");
std::string expected = "RESULT measurement_modifier: story= {0,0} ms\n";
EXPECT_EQ(expected, ::testing::internal::GetCapturedStdout());
}
TEST_F(PerfTest, TestGetPerfResultsHistogramsWithStatsCounter) {
ClearPerfResults();
::testing::internal::CaptureStdout();
SamplesStatsCounter counter;
counter.AddSample(1);
counter.AddSample(2);
counter.AddSample(3);
counter.AddSample(4);
counter.AddSample(5);
PrintResult("measurement", "_modifier", "story", counter, "ms", false);
proto::HistogramSet histogram_set;
EXPECT_TRUE(histogram_set.ParseFromString(GetPerfResults()))
<< "Expected valid histogram set";
ASSERT_EQ(histogram_set.histograms_size(), 1)
<< "Should be one histogram: measurement_modifier";
const proto::Histogram& hist = histogram_set.histograms(0);
EXPECT_EQ(hist.name(), "measurement_modifier");
// Spot check some things in here (there's a more thorough test on the
// histogram writer itself).
EXPECT_EQ(hist.unit().unit(), proto::MS_BEST_FIT_FORMAT);
EXPECT_EQ(hist.sample_values_size(), 5);
EXPECT_THAT(hist.sample_values(), testing::ElementsAre(1, 2, 3, 4, 5));
EXPECT_EQ(hist.diagnostics().diagnostic_map().count("stories"), 1u);
const proto::Diagnostic& stories =
hist.diagnostics().diagnostic_map().at("stories");
ASSERT_EQ(stories.generic_set().values_size(), 1);
EXPECT_EQ(stories.generic_set().values(0), "\"story\"");
// mean = 3; std = sqrt(2)
std::string expected =
"RESULT measurement_modifier: story= {3,1.4142136} ms\n";
EXPECT_EQ(expected, ::testing::internal::GetCapturedStdout());
}
#endif // WEBRTC_ENABLE_PROTOBUF
#if GTEST_HAS_DEATH_TEST
using PerfDeathTest = PerfTest;
TEST_F(PerfDeathTest, TestFiniteResultError) {
const double kNan = std::numeric_limits<double>::quiet_NaN();
const double kInf = std::numeric_limits<double>::infinity();
RTC_EXPECT_DEATH(PrintResult("a", "b", "c", kNan, "d", false), "finit");
RTC_EXPECT_DEATH(PrintResult("a", "b", "c", kInf, "d", false), "finit");
RTC_EXPECT_DEATH(PrintResultMeanAndError("a", "b", "c", kNan, 1, "d", false),
"");
RTC_EXPECT_DEATH(PrintResultMeanAndError("a", "b", "c", 1, kInf, "d", false),
"");
const double kNanList[] = {kNan, kNan};
RTC_EXPECT_DEATH(PrintResultList("a", "b", "c", kNanList, "d", false), "");
const double kInfList[] = {0, kInf};
RTC_EXPECT_DEATH(PrintResultList("a", "b", "c", kInfList, "d", false), "");
}
#endif
} // namespace test
} // namespace webrtc
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