gesture_event_queue_unittest.cc | Explore in Territory

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "components/input/gesture_event_queue.h"

#include <stddef.h>

#include <memory>
#include <utility>
#include <vector>

#include "base/location.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "components/input/touchpad_tap_suppression_controller.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/input/synthetic_web_input_event_builders.h"
#include "third_party/blink/public/common/input/web_input_event.h"
#include "third_party/blink/public/mojom/input/input_event_result.mojom-shared.h"
#include "ui/events/blink/blink_features.h"

WebGestureDevice;
WebGestureEvent;
WebInputEvent;

namespace input {

class GestureEventQueueTest : public testing::Test,
                              public GestureEventQueueClient,
                              public FlingControllerEventSenderClient,
                              public FlingControllerSchedulerClient { … };

class GestureEventQueueWithCompositorEventQueueTest
    : public GestureEventQueueTest { … };

// Tests a single event with an synchronous ack.
TEST_F(GestureEventQueueTest, SimpleSyncAck) { … }

// Tests an event with an synchronous ack which enqueues an additional event.
TEST_F(GestureEventQueueTest, SyncAckQueuesEvent) { … }

// Test that a GestureScrollEnd is deferred during the debounce interval,
// that Scrolls are not and that the deferred events are sent after that
// timer fires.
TEST_F(GestureEventQueueTest, DebounceDefersFollowingGestureEvents) { … }

// Tests that GSE events generated by the fling controller are forwarded to the
// renderer instead of getting pushed back to the deboucing_deferral_queue_. In
// this case the following GSB won't get deferred either.
TEST_F(GestureEventQueueTest,
       DebounceDoesNotDeferGSEsGeneratedByFlingController) { … }

TEST_F(GestureEventQueueTest, DebounceDefersGSBIfPreviousGSEDeferred) { … }

TEST_F(GestureEventQueueTest, DebounceDefersGSBIfPreviousGSEDropped) { … }

// Test that non-scroll events are deferred while scrolling during the debounce
// interval and are discarded if a GestureScrollUpdate event arrives before the
// interval end.
TEST_F(GestureEventQueueTest, DebounceDropsDeferredEvents) { … }

// Test that the fling cancelling tap down event and its following tap get
// suppressed when tap suppression is enabled.
TEST_F(GestureEventQueueTest, TapGetsSuppressedAfterTapDownCancelsFling) { … }

TEST_F(GestureEventQueueWithCompositorEventQueueTest,
       PreserveOrderWithOutOfOrderAck) { … }

TEST_F(GestureEventQueueWithCompositorEventQueueTest,
       MultipleGesturesInFlight) { … }

}  // namespace input
chromium/components/input/gesture_event_queue_unittest.cc
