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// Copyright 2020 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/public/web/web_disallow_transition_scope.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/core/frame/frame_test_helpers.h"
#include "third_party/blink/renderer/core/frame/web_local_frame_impl.h"
namespace blink {
using blink::frame_test_helpers::WebViewHelper;
class WebDisallowTransitionScopeTest : public testing::Test {
protected:
Document* TopDocument() const;
WebDocument TopWebDocument() const;
WebViewHelper web_view_helper_;
};
Document* WebDisallowTransitionScopeTest::TopDocument() const {
return To<LocalFrame>(web_view_helper_.GetWebView()->GetPage()->MainFrame())
->GetDocument();
}
WebDocument WebDisallowTransitionScopeTest::TopWebDocument() const {
return web_view_helper_.LocalMainFrame()->GetDocument();
}
#if !defined(OS_ANDROID)
// TODO(crbug.com/1067036): the death test fails on Android.
TEST_F(WebDisallowTransitionScopeTest, TestDisallowTransition) {
// Make the death test thread-safe. For more info, see:
// https://github.com/google/googletest/blob/master/googletest/docs/advanced.md#death-tests-and-threads
::testing::FLAGS_gtest_death_test_style = "threadsafe";
web_view_helper_.InitializeAndLoad("about:blank");
WebDocument web_doc = TopWebDocument();
Document* core_doc = TopDocument();
// Legal transition.
core_doc->Lifecycle().AdvanceTo(DocumentLifecycle::kLayoutClean);
{
// Illegal transition.
WebDisallowTransitionScope disallow(&web_doc);
EXPECT_DEATH(core_doc->Lifecycle().EnsureStateAtMost(
DocumentLifecycle::kVisualUpdatePending),
"Cannot rewind document lifecycle");
}
// Legal transition.
core_doc->Lifecycle().EnsureStateAtMost(
DocumentLifecycle::kVisualUpdatePending);
}
#endif
} // namespace blink
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