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// 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 "third_party/blink/renderer/core/css/invalidation/pending_invalidations.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/core/css/style_engine.h"
#include "third_party/blink/renderer/core/frame/local_frame_view.h"
#include "third_party/blink/renderer/core/html/html_element.h"
#include "third_party/blink/renderer/core/testing/dummy_page_holder.h"
namespace blink {
class PendingInvalidationsTest : public testing::Test {
protected:
void SetUp() override;
Document& GetDocument() { return dummy_page_holder_->GetDocument(); }
StyleEngine& GetStyleEngine() { return GetDocument().GetStyleEngine(); }
PendingInvalidations& GetPendingNodeInvalidations() {
return GetDocument().GetStyleEngine().GetPendingNodeInvalidations();
}
private:
std::unique_ptr<DummyPageHolder> dummy_page_holder_;
};
void PendingInvalidationsTest::SetUp() {
dummy_page_holder_ = DummyPageHolder::Create(IntSize(800, 600));
}
TEST_F(PendingInvalidationsTest, ScheduleOnDocumentNode) {
GetDocument().body()->SetInnerHTMLFromString(
"<div id='d'></div><i id='i'></i><span></span>");
GetDocument().View()->UpdateAllLifecyclePhases(
DocumentLifecycle::LifecycleUpdateReason::kTest);
unsigned before_count = GetStyleEngine().StyleForElementCount();
scoped_refptr<DescendantInvalidationSet> set =
DescendantInvalidationSet::Create();
set->AddTagName("div");
set->AddTagName("span");
InvalidationLists lists;
lists.descendants.push_back(set);
GetPendingNodeInvalidations().ScheduleInvalidationSetsForNode(lists,
GetDocument());
EXPECT_TRUE(GetDocument().NeedsStyleInvalidation());
EXPECT_FALSE(GetDocument().ChildNeedsStyleInvalidation());
GetStyleEngine().InvalidateStyle();
EXPECT_FALSE(GetDocument().NeedsStyleInvalidation());
EXPECT_FALSE(GetDocument().ChildNeedsStyleInvalidation());
EXPECT_FALSE(GetDocument().NeedsStyleRecalc());
EXPECT_TRUE(GetDocument().ChildNeedsStyleRecalc());
GetDocument().View()->UpdateAllLifecyclePhases(
DocumentLifecycle::LifecycleUpdateReason::kTest);
unsigned after_count = GetStyleEngine().StyleForElementCount();
EXPECT_EQ(2u, after_count - before_count);
}
} // namespace blink
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