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// Copyright 2015 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 "content/browser/renderer_host/event_with_latency_info.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
using blink::WebGestureEvent;
using blink::WebInputEvent;
using blink::WebMouseEvent;
using blink::WebMouseWheelEvent;
using blink::WebTouchEvent;
namespace content {
namespace {
class EventWithLatencyInfoTest : public testing::Test {
protected:
TouchEventWithLatencyInfo CreateTouchEvent(WebInputEvent::Type type,
double timestamp) {
TouchEventWithLatencyInfo touch;
touch.event.touchesLength = 1;
touch.event.type = type;
touch.event.timeStampSeconds = timestamp;
return touch;
}
MouseEventWithLatencyInfo CreateMouseEvent(WebInputEvent::Type type,
double timestamp) {
MouseEventWithLatencyInfo mouse;
mouse.event.type = type;
mouse.event.timeStampSeconds = timestamp;
return mouse;
}
MouseWheelEventWithLatencyInfo CreateMouseWheelEvent(double timestamp) {
MouseWheelEventWithLatencyInfo mouse_wheel;
mouse_wheel.event.type = WebInputEvent::MouseWheel;
mouse_wheel.event.timeStampSeconds = timestamp;
return mouse_wheel;
}
GestureEventWithLatencyInfo CreateGestureEvent(WebInputEvent::Type type,
double timestamp) {
GestureEventWithLatencyInfo gesture;
gesture.event.type = type;
gesture.event.timeStampSeconds = timestamp;
return gesture;
}
};
TEST_F(EventWithLatencyInfoTest, TimestampCoalescingForMouseEvent) {
MouseEventWithLatencyInfo mouse_0 = CreateMouseEvent(
WebInputEvent::MouseMove, 5.0);
MouseEventWithLatencyInfo mouse_1 = CreateMouseEvent(
WebInputEvent::MouseMove, 10.0);
ASSERT_TRUE(mouse_0.CanCoalesceWith(mouse_1));
mouse_0.CoalesceWith(mouse_1);
// Coalescing WebMouseEvent preserves newer timestamp.
EXPECT_EQ(10.0, mouse_0.event.timeStampSeconds);
ASSERT_EQ(1u, mouse_0.latency.coalesced_events_size());
EXPECT_EQ(5.0, mouse_0.latency.timestamps_of_coalesced_events()[0]);
}
TEST_F(EventWithLatencyInfoTest, TimestampCoalescingForMouseWheelEvent) {
MouseWheelEventWithLatencyInfo mouse_wheel_0 = CreateMouseWheelEvent(5.0);
MouseWheelEventWithLatencyInfo mouse_wheel_1 = CreateMouseWheelEvent(10.0);
ASSERT_TRUE(mouse_wheel_0.CanCoalesceWith(mouse_wheel_1));
mouse_wheel_0.CoalesceWith(mouse_wheel_1);
// Coalescing WebMouseWheelEvent preserves newer timestamp.
EXPECT_EQ(10.0, mouse_wheel_0.event.timeStampSeconds);
ASSERT_EQ(1u, mouse_wheel_0.latency.coalesced_events_size());
EXPECT_EQ(5.0, mouse_wheel_0.latency.timestamps_of_coalesced_events()[0]);
}
TEST_F(EventWithLatencyInfoTest, TimestampCoalescingForTouchEvent) {
TouchEventWithLatencyInfo touch_0 = CreateTouchEvent(
WebInputEvent::TouchMove, 5.0);
TouchEventWithLatencyInfo touch_1 = CreateTouchEvent(
WebInputEvent::TouchMove, 10.0);
ASSERT_TRUE(touch_0.CanCoalesceWith(touch_1));
touch_0.CoalesceWith(touch_1);
// Coalescing WebTouchEvent preserves newer timestamp.
EXPECT_EQ(10.0, touch_0.event.timeStampSeconds);
ASSERT_EQ(1u, touch_0.latency.coalesced_events_size());
EXPECT_EQ(5.0, touch_0.latency.timestamps_of_coalesced_events()[0]);
}
TEST_F(EventWithLatencyInfoTest, TimestampCoalescingForGestureEvent) {
GestureEventWithLatencyInfo scroll_0 = CreateGestureEvent(
WebInputEvent::GestureScrollUpdate, 5.0);
GestureEventWithLatencyInfo scroll_1 = CreateGestureEvent(
WebInputEvent::GestureScrollUpdate, 10.0);
ASSERT_TRUE(scroll_0.CanCoalesceWith(scroll_1));
scroll_0.CoalesceWith(scroll_1);
// Coalescing WebGestureEvent preserves newer timestamp.
EXPECT_EQ(10.0, scroll_0.event.timeStampSeconds);
ASSERT_EQ(1u, scroll_0.latency.coalesced_events_size());
EXPECT_EQ(5.0, scroll_0.latency.timestamps_of_coalesced_events()[0]);
}
} // namespace
} // namespace content
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