1fe48a5e1d
Update test implementation (test/histograms.h) to be more similar a real implementation (where histogram get functions return a Histogram pointer). Add check that the name of a histogram does not change. BUG=webrtc:5283 Review URL: https://codereview.webrtc.org/1528403003 Cr-Commit-Position: refs/heads/master@{#11161}
92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
/*
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* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "testing/gtest/include/gtest/gtest.h"
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#include "webrtc/system_wrappers/include/metrics.h"
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#include "webrtc/test/histogram.h"
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namespace webrtc {
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namespace {
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const int kSample = 22;
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const std::string kName = "Name";
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void AddSparseSample(const std::string& name, int sample) {
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RTC_HISTOGRAM_COUNTS_SPARSE_100(name, sample);
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}
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#if GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
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void AddSample(const std::string& name, int sample) {
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RTC_HISTOGRAM_COUNTS_100(name, sample);
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}
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#endif // GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
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} // namespace
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TEST(MetricsTest, InitiallyNoSamples) {
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test::ClearHistograms();
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EXPECT_EQ(0, test::NumHistogramSamples(kName));
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EXPECT_EQ(-1, test::LastHistogramSample(kName));
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}
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TEST(MetricsTest, RtcHistogramPercent_AddSample) {
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test::ClearHistograms();
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RTC_HISTOGRAM_PERCENTAGE(kName, kSample);
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EXPECT_EQ(1, test::NumHistogramSamples(kName));
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EXPECT_EQ(kSample, test::LastHistogramSample(kName));
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}
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TEST(MetricsTest, RtcHistogramEnumeration_AddSample) {
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test::ClearHistograms();
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RTC_HISTOGRAM_ENUMERATION(kName, kSample, kSample + 1);
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EXPECT_EQ(1, test::NumHistogramSamples(kName));
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EXPECT_EQ(kSample, test::LastHistogramSample(kName));
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}
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TEST(MetricsTest, RtcHistogramCountsSparse_AddSample) {
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test::ClearHistograms();
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RTC_HISTOGRAM_COUNTS_SPARSE_100(kName, kSample);
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EXPECT_EQ(1, test::NumHistogramSamples(kName));
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EXPECT_EQ(kSample, test::LastHistogramSample(kName));
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}
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TEST(MetricsTest, RtcHistogramCounts_AddSample) {
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test::ClearHistograms();
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RTC_HISTOGRAM_COUNTS_100(kName, kSample);
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EXPECT_EQ(1, test::NumHistogramSamples(kName));
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EXPECT_EQ(kSample, test::LastHistogramSample(kName));
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}
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TEST(MetricsTest, RtcHistogramCounts_AddMultipleSamples) {
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test::ClearHistograms();
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const int kNumSamples = 10;
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for (int i = 0; i < kNumSamples; ++i) {
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RTC_HISTOGRAM_COUNTS_100(kName, i);
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}
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EXPECT_EQ(kNumSamples, test::NumHistogramSamples(kName));
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EXPECT_EQ(kNumSamples - 1, test::LastHistogramSample(kName));
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}
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TEST(MetricsTest, RtcHistogramSparse_NonConstantNameWorks) {
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test::ClearHistograms();
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AddSparseSample("Name1", kSample);
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AddSparseSample("Name2", kSample);
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EXPECT_EQ(1, test::NumHistogramSamples("Name1"));
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EXPECT_EQ(1, test::NumHistogramSamples("Name2"));
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}
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#if GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
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TEST(MetricsTest, RtcHistogram_FailsForNonConstantName) {
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test::ClearHistograms();
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AddSample("Name1", kSample);
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EXPECT_DEATH(AddSample("Name2", kSample), "");
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}
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#endif // GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
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} // namespace webrtc
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