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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/api/web_request/web_request_time_tracker.h"
#include <stddef.h>
#include <stdint.h>
#include "base/test/metrics/histogram_tester.h"
#include "base/time/time.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
const base::TimeDelta kRequestDelta = base::Milliseconds(100);
const base::TimeDelta kLongRequestDelta = base::Milliseconds(200);
const base::TimeDelta kTinyDelay = base::Milliseconds(1);
const base::TimeDelta kModerateDelay = base::Milliseconds(25);
const base::TimeDelta kExcessiveDelay = base::Milliseconds(75);
} // namespace
// Test the basis recording of histograms.
TEST(ExtensionWebRequestTimeTrackerTest, Histograms) {
base::HistogramTester histogram_tester;
ExtensionWebRequestTimeTracker tracker;
base::TimeTicks start;
tracker.LogRequestStartTime(1, start, false, false);
tracker.LogRequestStartTime(2, start, true, false);
tracker.LogRequestStartTime(3, start, true, false);
tracker.LogRequestStartTime(4, start, true, true);
tracker.IncrementTotalBlockTime(1, kTinyDelay);
tracker.IncrementTotalBlockTime(2, kModerateDelay);
tracker.IncrementTotalBlockTime(2, kModerateDelay);
tracker.IncrementTotalBlockTime(3, kExcessiveDelay);
tracker.LogRequestEndTime(1, start + kRequestDelta);
tracker.LogRequestEndTime(2, start + kRequestDelta);
tracker.LogRequestEndTime(3, start + kRequestDelta);
tracker.LogRequestEndTime(4, start + kLongRequestDelta);
histogram_tester.ExpectTimeBucketCount("Extensions.NetworkDelay", kTinyDelay,
1);
histogram_tester.ExpectTimeBucketCount("Extensions.NetworkDelay",
2 * kModerateDelay, 1);
histogram_tester.ExpectTimeBucketCount("Extensions.NetworkDelay",
kExcessiveDelay, 1);
histogram_tester.ExpectTotalCount("Extensions.NetworkDelay", 3);
histogram_tester.ExpectBucketCount("Extensions.NetworkDelayPercentage", 1, 1);
histogram_tester.ExpectBucketCount("Extensions.NetworkDelayPercentage",
2 * 25, 1);
histogram_tester.ExpectBucketCount("Extensions.NetworkDelayPercentage", 75,
1);
histogram_tester.ExpectTotalCount("Extensions.NetworkDelayPercentage", 3);
histogram_tester.ExpectTimeBucketCount(
"Extensions.WebRequest.TotalRequestTime", kRequestDelta, 2);
histogram_tester.ExpectTimeBucketCount(
"Extensions.WebRequest.TotalRequestTime", kLongRequestDelta, 1);
histogram_tester.ExpectTotalCount("Extensions.WebRequest.TotalRequestTime",
3);
histogram_tester.ExpectTimeBucketCount(
"Extensions.WebRequest.TotalBlockingRequestTime", kRequestDelta, 3);
histogram_tester.ExpectTotalCount(
"Extensions.WebRequest.TotalBlockingRequestTime", 3);
histogram_tester.ExpectTimeBucketCount(
"Extensions.WebRequest.TotalExtraHeadersRequestTime", kLongRequestDelta,
1);
histogram_tester.ExpectTotalCount(
"Extensions.WebRequest.TotalExtraHeadersRequestTime", 1);
EXPECT_TRUE(tracker.request_time_logs_.empty());
}
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