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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/latency/latency_info.h"
#include <stddef.h>
#include "testing/gtest/include/gtest/gtest.h"
namespace ui {
namespace {
// Returns a fake TimeTicks based on the given microsecond offset.
base::TimeTicks ToTestTimeTicks(int64_t micros) {
return base::TimeTicks() + base::TimeDelta::FromMicroseconds(micros);
}
} // namespace
TEST(LatencyInfoTest, AddTwoSeparateEvent) {
LatencyInfo info;
info.set_trace_id(1);
EXPECT_FALSE(info.began());
info.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT, 0,
1, ToTestTimeTicks(100), 1);
EXPECT_TRUE(info.began());
info.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 1,
5, ToTestTimeTicks(1000), 2);
EXPECT_EQ(info.latency_components().size(), 2u);
LatencyInfo::LatencyComponent component;
EXPECT_FALSE(
info.FindLatency(INPUT_EVENT_LATENCY_UI_COMPONENT, 0, &component));
EXPECT_FALSE(
info.FindLatency(INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT, 1, &component));
EXPECT_TRUE(
info.FindLatency(INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT, 0, &component));
EXPECT_EQ(component.sequence_number, 1);
EXPECT_EQ(component.event_count, 1u);
EXPECT_EQ(component.event_time, ToTestTimeTicks(100));
EXPECT_TRUE(
info.FindLatency(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 1, &component));
EXPECT_EQ(component.sequence_number, 5);
EXPECT_EQ(component.event_count, 2u);
EXPECT_EQ(component.event_time, ToTestTimeTicks(1000));
}
TEST(LatencyInfoTest, AddTwoSameEvent) {
LatencyInfo info;
info.set_trace_id(1);
info.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 0,
30, ToTestTimeTicks(100), 2);
info.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 0,
13, ToTestTimeTicks(200), 3);
EXPECT_EQ(info.latency_components().size(), 1u);
LatencyInfo::LatencyComponent component;
EXPECT_FALSE(
info.FindLatency(INPUT_EVENT_LATENCY_UI_COMPONENT, 0, &component));
EXPECT_FALSE(
info.FindLatency(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 1, &component));
EXPECT_TRUE(
info.FindLatency(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 0, &component));
EXPECT_EQ(component.sequence_number, 30);
EXPECT_EQ(component.event_count, 5u);
EXPECT_EQ(component.event_time, ToTestTimeTicks((100 * 2 + 200 * 3) / 5));
}
TEST(LatencyInfoTest, RemoveLatency) {
LatencyInfo info;
info.set_trace_id(1);
info.AddLatencyNumber(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 0, 0);
info.AddLatencyNumber(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 1, 0);
info.AddLatencyNumber(INPUT_EVENT_LATENCY_UI_COMPONENT, 0, 0);
info.RemoveLatency(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT);
EXPECT_FALSE(info.FindLatency(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 0, 0));
EXPECT_FALSE(info.FindLatency(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, 1, 0));
EXPECT_TRUE(info.FindLatency(INPUT_EVENT_LATENCY_UI_COMPONENT, 0, 0));
}
} // namespace ui
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