| // 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, |
| ToTestTimeTicks(100)); |
| EXPECT_TRUE(info.began()); |
| info.AddLatencyNumberWithTimestamp(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, |
| ToTestTimeTicks(1000)); |
| |
| EXPECT_EQ(info.latency_components().size(), 2u); |
| base::TimeTicks timestamp; |
| EXPECT_FALSE(info.FindLatency(INPUT_EVENT_LATENCY_UI_COMPONENT, ×tamp)); |
| EXPECT_TRUE( |
| info.FindLatency(INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT, ×tamp)); |
| EXPECT_EQ(timestamp, ToTestTimeTicks(100)); |
| EXPECT_TRUE( |
| info.FindLatency(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, ×tamp)); |
| EXPECT_EQ(timestamp, ToTestTimeTicks(1000)); |
| } |
| |
| TEST(LatencyInfoTest, CoalesceTwoGSU) { |
| LatencyInfo info1, info2; |
| info1.set_trace_id(1); |
| info1.AddLatencyNumberWithTimestamp( |
| INPUT_EVENT_LATENCY_SCROLL_UPDATE_LAST_EVENT_COMPONENT, |
| ToTestTimeTicks(1234)); |
| info1.set_scroll_update_delta(-3); |
| |
| info2.set_trace_id(2); |
| info2.AddLatencyNumberWithTimestamp( |
| INPUT_EVENT_LATENCY_SCROLL_UPDATE_LAST_EVENT_COMPONENT, |
| ToTestTimeTicks(2345)); |
| info2.set_scroll_update_delta(5); |
| |
| info1.CoalesceScrollUpdateWith(info2); |
| base::TimeTicks timestamp; |
| EXPECT_TRUE(info1.FindLatency( |
| INPUT_EVENT_LATENCY_SCROLL_UPDATE_LAST_EVENT_COMPONENT, ×tamp)); |
| EXPECT_EQ(timestamp, ToTestTimeTicks(2345)); |
| EXPECT_EQ(info1.scroll_update_delta(), 2); |
| } |
| |
| } // namespace ui |