| // Copyright 2017 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 "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/core/dom/element.h" |
| #include "third_party/blink/renderer/core/input/event_handler.h" |
| #include "third_party/blink/renderer/core/page/autoscroll_controller.h" |
| #include "third_party/blink/renderer/core/page/page.h" |
| #include "third_party/blink/renderer/core/testing/sim/sim_request.h" |
| #include "third_party/blink/renderer/core/testing/sim/sim_test.h" |
| |
| namespace blink { |
| |
| class AutoscrollControllerTest : public SimTest { |
| public: |
| AutoscrollController& GetAutoscrollController() { |
| return WebView().GetPage()->GetAutoscrollController(); |
| } |
| }; |
| |
| // Ensure Autoscroll not crash by layout called in UpdateSelectionForMouseDrag. |
| TEST_F(AutoscrollControllerTest, |
| CrashWhenLayoutStopAnimationBeforeScheduleAnimation) { |
| WebView().Resize(WebSize(800, 600)); |
| WebView().SetBaseBackgroundColorOverride(SK_ColorTRANSPARENT); |
| SimRequest request("https://example.com/test.html", "text/html"); |
| LoadURL("https://example.com/test.html"); |
| request.Complete(R"HTML( |
| <!DOCTYPE html> |
| <style> |
| #scrollable { |
| overflow: auto; |
| width: 10px; |
| height: 10px; |
| } |
| </style> |
| <div id='scrollable'> |
| <p id='p'>Some text here for selection autoscroll.</p> |
| <p>Some text here for selection autoscroll.</p> |
| <p>Some text here for selection autoscroll.</p> |
| <p>Some text here for selection autoscroll.</p> |
| <p>Some text here for selection autoscroll.</p> |
| <p>Some text here for selection autoscroll.</p> |
| <p>Some text here for selection autoscroll.</p> |
| <p>Some text here for selection autoscroll.</p> |
| </div> |
| )HTML"); |
| |
| Compositor().BeginFrame(); |
| |
| AutoscrollController& controller = GetAutoscrollController(); |
| Document& document = GetDocument(); |
| |
| Element* scrollable = document.getElementById("scrollable"); |
| DCHECK(scrollable); |
| DCHECK(scrollable->GetLayoutObject()); |
| |
| WebMouseEvent event(WebInputEvent::kMouseDown, WebFloatPoint(5, 5), |
| WebFloatPoint(5, 5), WebPointerProperties::Button::kLeft, |
| 0, WebInputEvent::Modifiers::kLeftButtonDown, |
| CurrentTimeTicks()); |
| event.SetFrameScale(1); |
| |
| GetDocument().GetFrame()->GetEventHandler().HandleMousePressEvent(event); |
| |
| controller.StartAutoscrollForSelection(scrollable->GetLayoutObject()); |
| |
| DCHECK(controller.IsAutoscrolling()); |
| |
| // Hide scrollable here will cause UpdateSelectionForMouseDrag stop animation. |
| scrollable->SetInlineStyleProperty(CSSPropertyDisplay, CSSValueNone); |
| |
| // BeginFrame will call AutoscrollController::Animate. |
| Compositor().BeginFrame(); |
| |
| EXPECT_FALSE(controller.IsAutoscrolling()); |
| } |
| |
| } // namespace blink |
