chromium/third_party/blink/renderer/core/exported/web_meaningful_layouts_test.cc

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/testing/sim/sim_compositor.h"
#include "third_party/blink/renderer/core/testing/sim/sim_request.h"
#include "third_party/blink/renderer/core/testing/sim/sim_test.h"
#include "third_party/blink/renderer/platform/testing/unit_test_helpers.h"

namespace blink {

class WebMeaningfulLayoutsTest : public SimTest { … };

TEST_F(WebMeaningfulLayoutsTest, VisuallyNonEmptyTextCharacters) { … }

TEST_F(WebMeaningfulLayoutsTest, VisuallyNonEmptyTextCharactersEventually) { … }

// TODO(dglazkov): Write pixel-count and canvas-based VisuallyNonEmpty tests

TEST_F(WebMeaningfulLayoutsTest, VisuallyNonEmptyMissingPump) { … }

TEST_F(WebMeaningfulLayoutsTest, FinishedParsing) { … }

TEST_F(WebMeaningfulLayoutsTest, FinishedLoading) { … }

TEST_F(WebMeaningfulLayoutsTest, FinishedParsingThenLoading) { … }

TEST_F(WebMeaningfulLayoutsTest, WithIFrames) { … }

// NoOverflowInIncrementVisuallyNonEmptyPixelCount tests fail if the number of
// pixels is calculated in 32-bit integer, because 65536 * 65536 would become 0
// if it was calculated in 32-bit and thus it would be considered as empty.
TEST_F(WebMeaningfulLayoutsTest,
       NoOverflowInIncrementVisuallyNonEmptyPixelCount) { … }

// A pending stylesheet in the head is render-blocking and will be considered
// a pending stylesheet if a layout is triggered before it loads.
TEST_F(WebMeaningfulLayoutsTest, LayoutWithPendingRenderBlockingStylesheet) { … }

}  // namespace blink