Index: Source/core/css/DragUpdateTest.cpp |
diff --git a/Source/core/css/DragUpdateTest.cpp b/Source/core/css/DragUpdateTest.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5542887984e7b0dec9f6d5c52bd7fb0acebce525 |
--- /dev/null |
+++ b/Source/core/css/DragUpdateTest.cpp |
@@ -0,0 +1,69 @@ |
+// 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, ChildrenAffectedByDragUpdate) |
+{ |
+ // 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 |