element_fragment_anchor_test.cc | Explore in Territory

// Copyright 2019 The Chromium Authors
// 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/page/scrolling/element_fragment_anchor.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/web/web_script_source.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
#include "third_party/blink/renderer/core/css/css_style_declaration.h"
#include "third_party/blink/renderer/core/css/properties/longhands.h"
#include "third_party/blink/renderer/core/frame/local_frame_view.h"
#include "third_party/blink/renderer/core/frame/web_local_frame_impl.h"
#include "third_party/blink/renderer/core/html/html_anchor_element.h"
#include "third_party/blink/renderer/core/html/html_frame_owner_element.h"
#include "third_party/blink/renderer/core/html/html_image_element.h"
#include "third_party/blink/renderer/core/layout/layout_object.h"
#include "third_party/blink/renderer/core/page/focus_controller.h"
#include "third_party/blink/renderer/core/paint/paint_layer_scrollable_area.h"
#include "third_party/blink/renderer/core/svg/graphics/svg_image.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/graphics/image.h"
#include "third_party/blink/renderer/platform/heap/thread_state.h"
#include "third_party/blink/renderer/platform/testing/unit_test_helpers.h"

namespace blink {

RunPendingTasks;

class ElementFragmentAnchorTest : public SimTest { … };

// Ensure that the focus event handler is run before the rAF callback. We'll
// change the background color from a rAF set in the focus handler and make
// sure the computed background color of that frame was changed. See:
// https://groups.google.com/a/chromium.org/d/msg/blink-dev/5BJSTl-FMGY/JMtaKqGhBAAJ
TEST_F(ElementFragmentAnchorTest, FocusHandlerRunBeforeRaf) { … }

// This test ensures that when an iframe's document is closed, and the parent
// has dirty layout, the iframe is laid out prior to invoking its fragment
// anchor. Without performing this layout, the anchor cannot scroll to the
// correct location and it will be cleared since the document is closed.
TEST_F(ElementFragmentAnchorTest, IframeFragmentNoLayoutUntilLoad) { … }

// This test ensures that we correctly scroll the fragment into view in the
// case that the iframe has finished load but layout becomes dirty (in both
// parent and iframe) before we've had a chance to scroll the fragment into
// view.
TEST_F(ElementFragmentAnchorTest, IframeFragmentDirtyLayoutAfterLoad) { … }

// Ensure that a BeginFrame after the element-to-focus is removed from the
// document doesn't cause a nullptr crash when the fragment anchor element has
// been removed and garbage collected.
TEST_F(ElementFragmentAnchorTest, AnchorRemovedBeforeBeginFrameCrash) { … }

// Ensure that an SVG document doesn't automatically create a fragment anchor
// without the URL actually having a fragment.
TEST_F(ElementFragmentAnchorTest, SVGDocumentDoesntCreateFragment) { … }

// This test ensures that we correctly scroll the fragment into view in the
// case that the fragment has characters which need to be URL encoded.
TEST_F(ElementFragmentAnchorTest, HasURLEncodedCharacters) { … }

}  // namespace blink
chromium/third_party/blink/renderer/core/page/scrolling/element_fragment_anchor_test.cc
