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// Copyright 2016 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/paint/paint_property_tree_printer.h"
#include "testing/gmock/include/gmock/gmock-matchers.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/core/layout/layout_object.h"
#include "third_party/blink/renderer/core/paint/paint_controller_paint_test.h"
#include "third_party/blink/renderer/platform/testing/runtime_enabled_features_test_helpers.h"
#if DCHECK_IS_ON()
namespace blink {
class PaintPropertyTreePrinterTest : public PaintControllerPaintTest {
public:
PaintPropertyTreePrinterTest()
: PaintControllerPaintTest(SingleChildLocalFrameClient::Create()) {}
private:
void SetUp() override {
RenderingTest::SetUp();
EnableCompositing();
}
};
INSTANTIATE_PAINT_TEST_CASE_P(PaintPropertyTreePrinterTest);
TEST_P(PaintPropertyTreePrinterTest, SimpleTransformTree) {
SetBodyInnerHTML("hello world");
String transform_tree_as_string =
transformPropertyTreeAsString(*GetDocument().View());
EXPECT_THAT(transform_tree_as_string.Ascii().data(),
testing::MatchesRegex("root .*"
" .*Translation \\(.*\\) .*"));
}
TEST_P(PaintPropertyTreePrinterTest, SimpleClipTree) {
SetBodyInnerHTML("hello world");
String clip_tree_as_string = clipPropertyTreeAsString(*GetDocument().View());
EXPECT_THAT(clip_tree_as_string.Ascii().data(),
testing::MatchesRegex("root .*"
" .*Clip \\(.*\\) .*"));
}
TEST_P(PaintPropertyTreePrinterTest, SimpleEffectTree) {
SetBodyInnerHTML("<div style='opacity: 0.9;'>hello world</div>");
String effect_tree_as_string =
effectPropertyTreeAsString(*GetDocument().View());
EXPECT_THAT(effect_tree_as_string.Ascii().data(),
testing::MatchesRegex("root .*"
" Effect \\(LayoutBlockFlow DIV\\) .*"));
}
TEST_P(PaintPropertyTreePrinterTest, SimpleScrollTree) {
SetBodyInnerHTML("<div style='height: 4000px;'>hello world</div>");
String scroll_tree_as_string =
scrollPropertyTreeAsString(*GetDocument().View());
EXPECT_THAT(scroll_tree_as_string.Ascii().data(),
testing::MatchesRegex("root .*"
" Scroll \\(.*\\) .*"));
}
TEST_P(PaintPropertyTreePrinterTest, SimpleTransformTreePath) {
SetBodyInnerHTML(
"<div id='transform' style='transform: translate3d(10px, 10px, "
"0px);'></div>");
LayoutObject* transformed_object =
GetDocument().getElementById("transform")->GetLayoutObject();
const auto* transformed_object_properties =
transformed_object->FirstFragment().PaintProperties();
String transform_path_as_string =
transformed_object_properties->Transform()->ToTreeString();
EXPECT_THAT(transform_path_as_string.Ascii().data(),
testing::MatchesRegex("root .*\"scroll\".*"
" .*\"parent\".*"
" .*\"matrix\".*"
" .*\"matrix\".*"));
}
TEST_P(PaintPropertyTreePrinterTest, SimpleClipTreePath) {
SetBodyInnerHTML(
"<div id='clip' style='position: absolute; clip: rect(10px, 80px, 70px, "
"40px);'></div>");
LayoutObject* clipped_object =
GetDocument().getElementById("clip")->GetLayoutObject();
const auto* clipped_object_properties =
clipped_object->FirstFragment().PaintProperties();
String clip_path_as_string =
clipped_object_properties->CssClip()->ToTreeString();
EXPECT_THAT(clip_path_as_string.Ascii().data(),
testing::MatchesRegex("root .*\"rect\".*"
" .*\"rect\".*"
" .*\"rect\".*"));
}
TEST_P(PaintPropertyTreePrinterTest, SimpleEffectTreePath) {
SetBodyInnerHTML("<div id='effect' style='opacity: 0.9;'></div>");
LayoutObject* effect_object =
GetDocument().getElementById("effect")->GetLayoutObject();
const auto* effect_object_properties =
effect_object->FirstFragment().PaintProperties();
String effect_path_as_string =
effect_object_properties->Effect()->ToTreeString();
EXPECT_THAT(effect_path_as_string.Ascii().data(),
testing::MatchesRegex("root .*\"outputClip\".*"
" .*\"parent\".*\"opacity\".*"));
}
TEST_P(PaintPropertyTreePrinterTest, SimpleScrollTreePath) {
SetBodyInnerHTML(R"HTML(
<div id='scroll' style='overflow: scroll; height: 100px;'>
<div id='forceScroll' style='height: 4000px;'></div>
</div>
)HTML");
LayoutObject* scroll_object =
GetDocument().getElementById("scroll")->GetLayoutObject();
const auto* scroll_object_properties =
scroll_object->FirstFragment().PaintProperties();
String scroll_path_as_string = scroll_object_properties->ScrollTranslation()
->ScrollNode()
->ToTreeString();
EXPECT_THAT(scroll_path_as_string.Ascii().data(),
testing::MatchesRegex("root .* \\{\\}.*"
" .*\"parent\".*"));
}
} // namespace blink
#endif // if DCHECK_IS_ON()
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