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Unified Diff: content/renderer/input/main_thread_event_queue_unittest.cc

Issue 2273703002: Force events to be non blocking if main thread is unresponsive. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 4 months ago
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Index: content/renderer/input/main_thread_event_queue_unittest.cc
diff --git a/content/renderer/input/main_thread_event_queue_unittest.cc b/content/renderer/input/main_thread_event_queue_unittest.cc
index d5036cfec1dbd991c21d2ef94518a6ef30f05c72..1cdd9012815e684f6ebd830f4c833e32cece681c 100644
--- a/content/renderer/input/main_thread_event_queue_unittest.cc
+++ b/content/renderer/input/main_thread_event_queue_unittest.cc
@@ -23,13 +23,31 @@ using blink::WebMouseWheelEvent;
using blink::WebTouchEvent;
namespace blink {
-bool operator==(const WebMouseWheelEvent& lhs, const WebMouseWheelEvent& rhs) {
- return memcmp(&lhs, &rhs, lhs.size) == 0;
+
+::testing::AssertionResult AreEqual(const WebMouseWheelEvent& lhs,
+ const WebMouseWheelEvent& rhs) {
+ if (lhs.size != rhs.size)
+ return ::testing::AssertionSuccess() << "Sizes aren't equal";
+ if (lhs.type != rhs.type)
+ return ::testing::AssertionSuccess() << "Types aren't equal";
+ if (memcmp(&lhs, &rhs, lhs.size) == 0)
+ return ::testing::AssertionSuccess();
+ else
+ return ::testing::AssertionFailure();
}
-bool operator==(const WebTouchEvent& lhs, const WebTouchEvent& rhs) {
- return memcmp(&lhs, &rhs, lhs.size) == 0;
+::testing::AssertionResult AreEqual(const WebTouchEvent& lhs,
+ const WebTouchEvent& rhs) {
+ if (lhs.size != rhs.size)
+ return ::testing::AssertionSuccess() << "Sizes aren't equal";
+ if (lhs.type != rhs.type)
+ return ::testing::AssertionSuccess() << "Types aren't equal";
+ if (memcmp(&lhs, &rhs, lhs.size) == 0)
+ return ::testing::AssertionSuccess();
+ else
+ return ::testing::AssertionFailure();
}
+
} // namespace blink
namespace content {
@@ -85,6 +103,35 @@ class MainThreadEventQueueTest : public testing::Test,
queue_->enable_fling_passive_listener_flag_ = enable_flag;
}
+ void set_enable_non_blocking_due_to_main_thread_responsiveness_flag(bool enable_flag) {
+ queue_->enable_non_blocking_due_to_main_thread_responsiveness_flag_ =
+ enable_flag;
+ }
+
+ const WebTouchEvent* last_touch_event() {
dtapuska 2016/08/23 16:18:29 should be a const function
tdresser 2016/08/23 17:25:32 Done.
+ for (auto i = handled_events_.rbegin(); i != handled_events_.rend(); ++i) {
+ if (WebInputEvent::isTouchEventType(i->get()->type))
+ return static_cast<const WebTouchEvent*>(i->get());
+ }
+ return nullptr;
+ }
+
+ const WebMouseWheelEvent* first_wheel_event() {
dtapuska 2016/08/23 16:18:29 ditto
tdresser 2016/08/23 17:25:33 Done.
+ for (auto i = handled_events_.begin(); i != handled_events_.end(); ++i) {
+ if (i->get()->type == WebInputEvent::MouseWheel)
+ return static_cast<const WebMouseWheelEvent*>(i->get());
+ }
+ return nullptr;
+ }
+
+ const WebMouseWheelEvent* last_wheel_event() {
dtapuska 2016/08/23 16:18:29 ditto
tdresser 2016/08/23 17:25:33 Done.
+ for (auto i = handled_events_.rbegin(); i != handled_events_.rend(); ++i) {
+ if (i->get()->type == WebInputEvent::MouseWheel)
+ return static_cast<const WebMouseWheelEvent*>(i->get());
+ }
+ return nullptr;
+ }
+
protected:
scoped_refptr<base::TestSimpleTaskRunner> main_task_runner_;
blink::scheduler::MockRendererScheduler renderer_scheduler_;
@@ -115,27 +162,21 @@ TEST_F(MainThreadEventQueueTest, NonBlockingWheel) {
EXPECT_EQ(2u, handled_events_.size());
{
- EXPECT_EQ(kEvents[0].size, handled_events_.at(0)->size);
- EXPECT_EQ(kEvents[0].type, handled_events_.at(0)->type);
- const WebMouseWheelEvent* last_wheel_event =
- static_cast<const WebMouseWheelEvent*>(handled_events_.at(0).get());
EXPECT_EQ(WebInputEvent::DispatchType::ListenersNonBlockingPassive,
- last_wheel_event->dispatchType);
+ last_wheel_event()->dispatchType);
WebMouseWheelEvent coalesced_event = kEvents[0];
internal::Coalesce(kEvents[1], &coalesced_event);
coalesced_event.dispatchType =
WebInputEvent::DispatchType::ListenersNonBlockingPassive;
- EXPECT_EQ(coalesced_event, *last_wheel_event);
+ EXPECT_TRUE(AreEqual(coalesced_event, *first_wheel_event()));
dtapuska 2016/08/23 16:18:29 Isn't this a null deref?
tdresser 2016/08/23 17:25:33 Added CHECK to ensure that these methods never ret
}
{
- const WebMouseWheelEvent* last_wheel_event =
- static_cast<const WebMouseWheelEvent*>(handled_events_.at(1).get());
WebMouseWheelEvent coalesced_event = kEvents[2];
internal::Coalesce(kEvents[3], &coalesced_event);
coalesced_event.dispatchType =
WebInputEvent::DispatchType::ListenersNonBlockingPassive;
- EXPECT_EQ(coalesced_event, *last_wheel_event);
+ EXPECT_TRUE(AreEqual(coalesced_event, *last_wheel_event()));
}
}
@@ -160,31 +201,19 @@ TEST_F(MainThreadEventQueueTest, NonBlockingTouch) {
EXPECT_EQ(0u, event_queue().size());
EXPECT_EQ(3u, handled_events_.size());
- EXPECT_EQ(kEvents[0].size, handled_events_.at(0)->size);
- EXPECT_EQ(kEvents[0].type, handled_events_.at(0)->type);
- const WebTouchEvent* last_touch_event =
- static_cast<const WebTouchEvent*>(handled_events_.at(0).get());
kEvents[0].dispatchType =
WebInputEvent::DispatchType::ListenersNonBlockingPassive;
- EXPECT_EQ(kEvents[0], *last_touch_event);
+ EXPECT_TRUE(AreEqual(kEvents[0], *last_touch_event()));
- EXPECT_EQ(kEvents[1].size, handled_events_.at(1)->size);
- EXPECT_EQ(kEvents[1].type, handled_events_.at(1)->type);
- last_touch_event =
- static_cast<const WebTouchEvent*>(handled_events_.at(1).get());
kEvents[1].dispatchType =
WebInputEvent::DispatchType::ListenersNonBlockingPassive;
- EXPECT_EQ(kEvents[1], *last_touch_event);
+ EXPECT_TRUE(AreEqual(kEvents[0], *last_touch_event()));
- EXPECT_EQ(kEvents[2].size, handled_events_.at(1)->size);
- EXPECT_EQ(kEvents[2].type, handled_events_.at(2)->type);
- last_touch_event =
- static_cast<const WebTouchEvent*>(handled_events_.at(2).get());
WebTouchEvent coalesced_event = kEvents[2];
internal::Coalesce(kEvents[3], &coalesced_event);
coalesced_event.dispatchType =
WebInputEvent::DispatchType::ListenersNonBlockingPassive;
- EXPECT_EQ(coalesced_event, *last_touch_event);
+ EXPECT_TRUE(AreEqual(kEvents[0], *last_touch_event()));
}
TEST_F(MainThreadEventQueueTest, BlockingTouch) {
@@ -240,28 +269,20 @@ TEST_F(MainThreadEventQueueTest, InterleavedEvents) {
EXPECT_EQ(0u, event_queue().size());
EXPECT_EQ(2u, handled_events_.size());
{
- EXPECT_EQ(kWheelEvents[0].size, handled_events_.at(0)->size);
- EXPECT_EQ(kWheelEvents[0].type, handled_events_.at(0)->type);
- const WebMouseWheelEvent* last_wheel_event =
- static_cast<const WebMouseWheelEvent*>(handled_events_.at(0).get());
EXPECT_EQ(WebInputEvent::DispatchType::ListenersNonBlockingPassive,
- last_wheel_event->dispatchType);
+ last_wheel_event()->dispatchType);
WebMouseWheelEvent coalesced_event = kWheelEvents[0];
internal::Coalesce(kWheelEvents[1], &coalesced_event);
coalesced_event.dispatchType =
WebInputEvent::DispatchType::ListenersNonBlockingPassive;
- EXPECT_EQ(coalesced_event, *last_wheel_event);
+ EXPECT_TRUE(AreEqual(coalesced_event, *last_wheel_event()));
}
{
- EXPECT_EQ(kTouchEvents[0].size, handled_events_.at(1)->size);
- EXPECT_EQ(kTouchEvents[0].type, handled_events_.at(1)->type);
- const WebTouchEvent* last_touch_event =
- static_cast<const WebTouchEvent*>(handled_events_.at(1).get());
WebTouchEvent coalesced_event = kTouchEvents[0];
internal::Coalesce(kTouchEvents[1], &coalesced_event);
coalesced_event.dispatchType =
WebInputEvent::DispatchType::ListenersNonBlockingPassive;
- EXPECT_EQ(coalesced_event, *last_touch_event);
+ EXPECT_TRUE(AreEqual(coalesced_event, *last_touch_event()));
}
}
@@ -278,14 +299,10 @@ TEST_F(MainThreadEventQueueTest, BlockingTouchesDuringFling) {
EXPECT_FALSE(main_task_runner_->HasPendingTask());
EXPECT_EQ(0u, event_queue().size());
EXPECT_EQ(1u, handled_events_.size());
- EXPECT_EQ(kEvents[0].size, handled_events_.at(0)->size);
- EXPECT_EQ(kEvents[0].type, handled_events_.at(0)->type);
EXPECT_TRUE(last_touch_start_forced_nonblocking_due_to_fling());
- const WebTouchEvent* last_touch_event =
- static_cast<const WebTouchEvent*>(handled_events_.at(0).get());
kEvents[0].dispatchedDuringFling = true;
kEvents[0].dispatchType = WebInputEvent::ListenersForcedNonBlockingDueToFling;
- EXPECT_EQ(kEvents[0], *last_touch_event);
+ EXPECT_TRUE(AreEqual(kEvents[0], *last_touch_event()));
kEvents[0].MovePoint(0, 30, 30);
HandleEvent(kEvents[0], INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
@@ -293,14 +310,10 @@ TEST_F(MainThreadEventQueueTest, BlockingTouchesDuringFling) {
EXPECT_FALSE(main_task_runner_->HasPendingTask());
EXPECT_EQ(0u, event_queue().size());
EXPECT_EQ(2u, handled_events_.size());
- EXPECT_EQ(kEvents[0].size, handled_events_.at(1)->size);
- EXPECT_EQ(kEvents[0].type, handled_events_.at(1)->type);
EXPECT_TRUE(last_touch_start_forced_nonblocking_due_to_fling());
- last_touch_event =
- static_cast<const WebTouchEvent*>(handled_events_.at(1).get());
kEvents[0].dispatchedDuringFling = true;
kEvents[0].dispatchType = WebInputEvent::ListenersForcedNonBlockingDueToFling;
- EXPECT_EQ(kEvents[0], *last_touch_event);
+ EXPECT_TRUE(AreEqual(kEvents[0], *last_touch_event()));
kEvents[0].MovePoint(0, 50, 50);
kEvents[0].touchStartOrFirstTouchMove = false;
@@ -309,13 +322,9 @@ TEST_F(MainThreadEventQueueTest, BlockingTouchesDuringFling) {
EXPECT_FALSE(main_task_runner_->HasPendingTask());
EXPECT_EQ(0u, event_queue().size());
EXPECT_EQ(3u, handled_events_.size());
- EXPECT_EQ(kEvents[0].size, handled_events_.at(2)->size);
- EXPECT_EQ(kEvents[0].type, handled_events_.at(2)->type);
EXPECT_TRUE(kEvents[0].dispatchedDuringFling);
EXPECT_EQ(kEvents[0].dispatchType, WebInputEvent::Blocking);
- last_touch_event =
- static_cast<const WebTouchEvent*>(handled_events_.at(2).get());
- EXPECT_EQ(kEvents[0], *last_touch_event);
+ EXPECT_TRUE(AreEqual(kEvents[0], *last_touch_event()));
kEvents[0].ReleasePoint(0);
HandleEvent(kEvents[0], INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
@@ -323,84 +332,116 @@ TEST_F(MainThreadEventQueueTest, BlockingTouchesDuringFling) {
EXPECT_FALSE(main_task_runner_->HasPendingTask());
EXPECT_EQ(0u, event_queue().size());
EXPECT_EQ(4u, handled_events_.size());
- EXPECT_EQ(kEvents[0].size, handled_events_.at(3)->size);
- EXPECT_EQ(kEvents[0].type, handled_events_.at(3)->type);
EXPECT_TRUE(kEvents[0].dispatchedDuringFling);
EXPECT_EQ(kEvents[0].dispatchType, WebInputEvent::Blocking);
- last_touch_event =
- static_cast<const WebTouchEvent*>(handled_events_.at(3).get());
- EXPECT_EQ(kEvents[0], *last_touch_event);
+ EXPECT_TRUE(AreEqual(kEvents[0], *last_touch_event()));
}
TEST_F(MainThreadEventQueueTest, BlockingTouchesOutsideFling) {
- SyntheticWebTouchEvent kEvents[1];
- kEvents[0].PressPoint(10, 10);
- kEvents[0].touchStartOrFirstTouchMove = true;
+ SyntheticWebTouchEvent kEvent;
+ kEvent.PressPoint(10, 10);
+ kEvent.touchStartOrFirstTouchMove = true;
set_is_flinging(false);
set_enable_fling_passive_listener_flag(false);
- HandleEvent(kEvents[0], INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
+ HandleEvent(kEvent, INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
main_task_runner_->RunUntilIdle();
EXPECT_FALSE(main_task_runner_->HasPendingTask());
EXPECT_EQ(0u, event_queue().size());
EXPECT_EQ(1u, handled_events_.size());
- EXPECT_EQ(kEvents[0].size, handled_events_.at(0)->size);
- EXPECT_EQ(kEvents[0].type, handled_events_.at(0)->type);
- EXPECT_FALSE(kEvents[0].dispatchedDuringFling);
- EXPECT_EQ(kEvents[0].dispatchType, WebInputEvent::Blocking);
+ EXPECT_FALSE(kEvent.dispatchedDuringFling);
+ EXPECT_EQ(kEvent.dispatchType, WebInputEvent::Blocking);
EXPECT_FALSE(last_touch_start_forced_nonblocking_due_to_fling());
- const WebTouchEvent* last_touch_event =
- static_cast<const WebTouchEvent*>(handled_events_.at(0).get());
- EXPECT_EQ(kEvents[0], *last_touch_event);
+ EXPECT_TRUE(AreEqual(kEvent, *last_touch_event()));
set_is_flinging(true);
set_enable_fling_passive_listener_flag(false);
- HandleEvent(kEvents[0], INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
+ HandleEvent(kEvent, INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
main_task_runner_->RunUntilIdle();
EXPECT_FALSE(main_task_runner_->HasPendingTask());
EXPECT_EQ(0u, event_queue().size());
EXPECT_EQ(2u, handled_events_.size());
- EXPECT_EQ(kEvents[0].size, handled_events_.at(1)->size);
- EXPECT_EQ(kEvents[0].type, handled_events_.at(1)->type);
- EXPECT_FALSE(kEvents[0].dispatchedDuringFling);
- EXPECT_EQ(kEvents[0].dispatchType, WebInputEvent::Blocking);
+ EXPECT_FALSE(kEvent.dispatchedDuringFling);
+ EXPECT_EQ(kEvent.dispatchType, WebInputEvent::Blocking);
EXPECT_FALSE(last_touch_start_forced_nonblocking_due_to_fling());
- last_touch_event =
- static_cast<const WebTouchEvent*>(handled_events_.at(1).get());
- kEvents[0].dispatchedDuringFling = true;
- EXPECT_EQ(kEvents[0], *last_touch_event);
+ kEvent.dispatchedDuringFling = true;
+ EXPECT_TRUE(AreEqual(kEvent, *last_touch_event()));
set_is_flinging(false);
set_enable_fling_passive_listener_flag(true);
- HandleEvent(kEvents[0], INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
+ HandleEvent(kEvent, INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
main_task_runner_->RunUntilIdle();
EXPECT_FALSE(main_task_runner_->HasPendingTask());
EXPECT_EQ(0u, event_queue().size());
EXPECT_EQ(3u, handled_events_.size());
- EXPECT_EQ(kEvents[0].size, handled_events_.at(2)->size);
- EXPECT_EQ(kEvents[0].type, handled_events_.at(2)->type);
- EXPECT_TRUE(kEvents[0].dispatchedDuringFling);
- EXPECT_EQ(kEvents[0].dispatchType, WebInputEvent::Blocking);
+ EXPECT_TRUE(kEvent.dispatchedDuringFling);
+ EXPECT_EQ(kEvent.dispatchType, WebInputEvent::Blocking);
EXPECT_FALSE(last_touch_start_forced_nonblocking_due_to_fling());
- last_touch_event =
- static_cast<const WebTouchEvent*>(handled_events_.at(2).get());
- kEvents[0].dispatchedDuringFling = false;
- EXPECT_EQ(kEvents[0], *last_touch_event);
+ kEvent.dispatchedDuringFling = false;
+ EXPECT_TRUE(AreEqual(kEvent, *last_touch_event()));
- kEvents[0].MovePoint(0, 30, 30);
- HandleEvent(kEvents[0], INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
+ kEvent.MovePoint(0, 30, 30);
+ HandleEvent(kEvent, INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
main_task_runner_->RunUntilIdle();
EXPECT_FALSE(main_task_runner_->HasPendingTask());
EXPECT_EQ(0u, event_queue().size());
EXPECT_EQ(4u, handled_events_.size());
- EXPECT_EQ(kEvents[0].size, handled_events_.at(3)->size);
- EXPECT_EQ(kEvents[0].type, handled_events_.at(3)->type);
- EXPECT_FALSE(kEvents[0].dispatchedDuringFling);
- EXPECT_EQ(kEvents[0].dispatchType, WebInputEvent::Blocking);
+ EXPECT_FALSE(kEvent.dispatchedDuringFling);
+ EXPECT_EQ(kEvent.dispatchType, WebInputEvent::Blocking);
EXPECT_FALSE(last_touch_start_forced_nonblocking_due_to_fling());
- last_touch_event =
- static_cast<const WebTouchEvent*>(handled_events_.at(3).get());
- EXPECT_EQ(kEvents[0], *last_touch_event);
+ EXPECT_TRUE(AreEqual(kEvent, *last_touch_event()));
+}
+
+TEST_F(MainThreadEventQueueTest, ForcedNonBlockingDueToUnresponsiveMainThread) {
+ SyntheticWebTouchEvent kEvent;
+ kEvent.PressPoint(10, 10);
+ kEvent.touchStartOrFirstTouchMove = true;
+ set_enable_non_blocking_due_to_main_thread_responsiveness_flag(true);
+
+ EXPECT_CALL(renderer_scheduler_,
+ ShouldForceEventsNonBlockingForUnresponsiveMainThread())
+ .Times(4)
+ .WillRepeatedly(testing::Return(true));
+
+ HandleEvent(kEvent, INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
+ main_task_runner_->RunUntilIdle();
+ EXPECT_FALSE(main_task_runner_->HasPendingTask());
+ EXPECT_EQ(0u, event_queue().size());
+ EXPECT_EQ(1u, handled_events_.size());
+ kEvent.dispatchType =
+ WebInputEvent::ListenersForcedNonBlockingDueToMainThreadResponsiveness;
+ EXPECT_TRUE(AreEqual(kEvent, *last_touch_event()));
+
+ kEvent.MovePoint(0, 30, 30);
+ HandleEvent(kEvent, INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
+ main_task_runner_->RunUntilIdle();
+ EXPECT_FALSE(main_task_runner_->HasPendingTask());
+ EXPECT_EQ(0u, event_queue().size());
+ EXPECT_EQ(2u, handled_events_.size());
+ kEvent.dispatchType =
+ WebInputEvent::ListenersForcedNonBlockingDueToMainThreadResponsiveness;
+ EXPECT_TRUE(AreEqual(kEvent, *last_touch_event()));
+
+ kEvent.MovePoint(0, 50, 50);
+ kEvent.touchStartOrFirstTouchMove = false;
+ HandleEvent(kEvent, INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
+ main_task_runner_->RunUntilIdle();
+ EXPECT_FALSE(main_task_runner_->HasPendingTask());
+ EXPECT_EQ(0u, event_queue().size());
+ EXPECT_EQ(3u, handled_events_.size());
+ kEvent.dispatchType =
+ WebInputEvent::ListenersForcedNonBlockingDueToMainThreadResponsiveness;
+ EXPECT_TRUE(AreEqual(kEvent, *last_touch_event()));
+
+ kEvent.ReleasePoint(0);
+ HandleEvent(kEvent, INPUT_EVENT_ACK_STATE_NOT_CONSUMED);
+ main_task_runner_->RunUntilIdle();
+ EXPECT_FALSE(main_task_runner_->HasPendingTask());
+ EXPECT_EQ(0u, event_queue().size());
+ EXPECT_EQ(4u, handled_events_.size());
+ kEvent.dispatchType =
+ WebInputEvent::ListenersForcedNonBlockingDueToMainThreadResponsiveness;
+ EXPECT_TRUE(AreEqual(kEvent, *last_touch_event()));
}
-} // namespace content
+} // namespace content

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