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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "config.h" |
| 6 #include "core/dom/Element.h" |
| 7 #include "core/frame/FrameView.h" |
| 8 #include "core/html/HTMLDocument.h" |
| 9 #include "core/html/HTMLElement.h" |
| 10 #include "core/testing/DummyPageHolder.h" |
| 11 #include <gtest/gtest.h> |
| 12 |
| 13 using namespace WebCore; |
| 14 |
| 15 namespace { |
| 16 |
| 17 TEST(DragUpdateTest, AffectedByDragUpdate) |
| 18 { |
| 19 // Check that when dragging the div in the document below, you only get a |
| 20 // single element style recalc. |
| 21 |
| 22 OwnPtr<DummyPageHolder> dummyPageHolder = DummyPageHolder::create(IntSize(80
0, 600)); |
| 23 HTMLDocument* document = toHTMLDocument(&dummyPageHolder->document()); |
| 24 document->documentElement()->setInnerHTML("<style>div {width:100px;height:10
0px} div:-webkit-drag { background-color: green }</style>" |
| 25 "<div>" |
| 26 "<span></span>" |
| 27 "<span></span>" |
| 28 "<span></span>" |
| 29 "<span></span>" |
| 30 "</div>", ASSERT_NO_EXCEPTION); |
| 31 |
| 32 document->view()->updateLayoutAndStyleIfNeededRecursive(); |
| 33 unsigned startCount = document->styleEngine()->resolverAccessCount(); |
| 34 |
| 35 document->documentElement()->renderer()->updateDragState(true); |
| 36 document->view()->updateLayoutAndStyleIfNeededRecursive(); |
| 37 |
| 38 unsigned accessCount = document->styleEngine()->resolverAccessCount() - star
tCount; |
| 39 |
| 40 ASSERT_EQ(1U, accessCount); |
| 41 } |
| 42 |
| 43 TEST(DragUpdateTest, ChildrenAffectedByDragUpdate) |
| 44 { |
| 45 // Check that when dragging the div in the document below, you get a |
| 46 // full subtree style recalc. |
| 47 |
| 48 OwnPtr<DummyPageHolder> dummyPageHolder = DummyPageHolder::create(IntSize(80
0, 600)); |
| 49 HTMLDocument* document = toHTMLDocument(&dummyPageHolder->document()); |
| 50 document->documentElement()->setInnerHTML("<style>div {width:100px;height:10
0px} div:-webkit-drag span { background-color: green }</style>" |
| 51 "<div>" |
| 52 "<span></span>" |
| 53 "<span></span>" |
| 54 "<span></span>" |
| 55 "<span></span>" |
| 56 "</div>", ASSERT_NO_EXCEPTION); |
| 57 |
| 58 document->updateLayout(); |
| 59 unsigned startCount = document->styleEngine()->resolverAccessCount(); |
| 60 |
| 61 document->documentElement()->renderer()->updateDragState(true); |
| 62 document->updateLayout(); |
| 63 |
| 64 unsigned accessCount = document->styleEngine()->resolverAccessCount() - star
tCount; |
| 65 |
| 66 ASSERT_EQ(5U, accessCount); |
| 67 } |
| 68 |
| 69 } // namespace |
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