blob: 75ac569e1342bc4a3bc490e09011e3a08a620254 [file] [log] [blame]
// 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/html/html_embed_element.h"
#include <memory>
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/frame/local_frame_view.h"
#include "third_party/blink/renderer/core/html/html_object_element.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
#include "third_party/blink/renderer/core/testing/page_test_base.h"
namespace blink {
class HTMLEmbedElementTest : public PageTestBase {};
TEST_F(HTMLEmbedElementTest, FallbackState) {
// Load <object> element with a <embed> child.
// This can be seen on sites with Flash cookies,
// for example on www.yandex.ru
SetHtmlInnerHTML(R"HTML(
<div>
<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' width='1'
height='1' id='fco'>
<param name='movie' value='//site.com/flash-cookie.swf'>
<param name='allowScriptAccess' value='Always'>
<embed src='//site.com/flash-cookie.swf' allowscriptaccess='Always'
width='1' height='1' id='fce'>
</object></div>
)HTML");
auto* object_element = GetElementById("fco");
ASSERT_TRUE(object_element);
HTMLObjectElement* object = ToHTMLObjectElement(object_element);
// At this moment updatePlugin() function is not called, so
// useFallbackContent() will return false.
// But the element will likely to use fallback content after updatePlugin().
EXPECT_TRUE(object->HasFallbackContent());
EXPECT_FALSE(object->UseFallbackContent());
EXPECT_TRUE(object->WillUseFallbackContentAtLayout());
auto* embed_element = GetElementById("fce");
ASSERT_TRUE(embed_element);
HTMLEmbedElement* embed = ToHTMLEmbedElement(embed_element);
UpdateAllLifecyclePhases();
// We should get |true| as a result and don't trigger a DCHECK.
EXPECT_TRUE(static_cast<Element*>(embed)->LayoutObjectIsNeeded(
ComputedStyle::InitialStyle()));
// This call will update fallback state of the object.
object->UpdatePlugin();
EXPECT_TRUE(object->HasFallbackContent());
EXPECT_TRUE(object->UseFallbackContent());
EXPECT_TRUE(object->WillUseFallbackContentAtLayout());
UpdateAllLifecyclePhases();
EXPECT_TRUE(static_cast<Element*>(embed)->LayoutObjectIsNeeded(
ComputedStyle::InitialStyle()));
}
} // namespace blink