| // Copyright 2014 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 "config.h" |
| #include "core/dom/Element.h" |
| #include "core/frame/FrameView.h" |
| #include "core/html/HTMLDocument.h" |
| #include "core/html/HTMLElement.h" |
| #include "core/testing/DummyPageHolder.h" |
| #include <gtest/gtest.h> |
| |
| using namespace WebCore; |
| |
| namespace { |
| |
| TEST(DragUpdateTest, AffectedByDragUpdate) |
| { |
| // Check that when dragging the div in the document below, you only get a |
| // single element style recalc. |
| |
| OwnPtr<DummyPageHolder> dummyPageHolder = DummyPageHolder::create(IntSize(800, 600)); |
| HTMLDocument* document = toHTMLDocument(&dummyPageHolder->document()); |
| document->documentElement()->setInnerHTML("<style>div {width:100px;height:100px} div:-webkit-drag { background-color: green }</style>" |
| "<div>" |
| "<span></span>" |
| "<span></span>" |
| "<span></span>" |
| "<span></span>" |
| "</div>", ASSERT_NO_EXCEPTION); |
| |
| document->view()->updateLayoutAndStyleIfNeededRecursive(); |
| unsigned startCount = document->styleEngine()->resolverAccessCount(); |
| |
| document->documentElement()->renderer()->updateDragState(true); |
| document->view()->updateLayoutAndStyleIfNeededRecursive(); |
| |
| unsigned accessCount = document->styleEngine()->resolverAccessCount() - startCount; |
| |
| ASSERT_EQ(1U, accessCount); |
| } |
| |
| TEST(DragUpdateTest, ChildrenOrSiblingsAffectedByDragUpdate) |
| { |
| // Check that when dragging the div in the document below, you get a |
| // full subtree style recalc. |
| |
| OwnPtr<DummyPageHolder> dummyPageHolder = DummyPageHolder::create(IntSize(800, 600)); |
| HTMLDocument* document = toHTMLDocument(&dummyPageHolder->document()); |
| document->documentElement()->setInnerHTML("<style>div {width:100px;height:100px} div:-webkit-drag span { background-color: green }</style>" |
| "<div>" |
| "<span></span>" |
| "<span></span>" |
| "<span></span>" |
| "<span></span>" |
| "</div>", ASSERT_NO_EXCEPTION); |
| |
| document->updateLayout(); |
| unsigned startCount = document->styleEngine()->resolverAccessCount(); |
| |
| document->documentElement()->renderer()->updateDragState(true); |
| document->updateLayout(); |
| |
| unsigned accessCount = document->styleEngine()->resolverAccessCount() - startCount; |
| |
| ASSERT_EQ(5U, accessCount); |
| } |
| |
| } // namespace |