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// Copyright 2017 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 "build/build_config.h"
#include "chrome/browser/ui/exclusive_access/fullscreen_controller_test.h"
#include "chrome/browser/ui/views/exclusive_access_bubble_views.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/test/views/scoped_macviews_browser_mode.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_observer.h"
class ExclusiveAccessBubbleViewsTest : public FullscreenControllerTest,
public views::WidgetObserver {
public:
ExclusiveAccessBubbleViewsTest() {}
ExclusiveAccessBubbleViews* bubble() {
BrowserView* browser_view =
BrowserView::GetBrowserViewForBrowser(browser());
return browser_view->exclusive_access_bubble();
}
// WidgetObserver:
void OnWidgetDestroying(views::Widget* widget) override {
was_observing_in_destroying_ = widget->HasObserver(bubble());
was_destroying_ = true;
widget->RemoveObserver(this);
}
protected:
bool was_destroying_ = false;
bool was_observing_in_destroying_ = false;
private:
test::ScopedMacViewsBrowserMode views_mode_{true};
DISALLOW_COPY_AND_ASSIGN(ExclusiveAccessBubbleViewsTest);
};
#if defined(OS_MACOSX)
// Encounters an internal MacOS assert: http://crbug.com/823490
#define MAYBE_NativeClose DISABLED_NativeClose
#else
#define MAYBE_NativeClose NativeClose
#endif
// Simulate obscure codepaths resulting in the bubble Widget being closed before
// the ExclusiveAccessBubbleViews destructor asks for it. If a close bypasses
// the destructor, animations could still be running that attempt to manipulate
// a destroyed Widget and crash.
IN_PROC_BROWSER_TEST_F(ExclusiveAccessBubbleViewsTest, MAYBE_NativeClose) {
EXPECT_FALSE(bubble());
EnterActiveTabFullscreen();
EXPECT_TRUE(bubble());
bubble()->GetView()->GetWidget()->AddObserver(this);
// Simulate the bubble being closed out from under its controller, which seems
// to happen in some odd corner cases, like system log-off while the bubble is
// showing.
bubble()->GetView()->GetWidget()->CloseNow();
EXPECT_FALSE(bubble());
// Verify that teardown is really happening via OnWidgetDestroyed() rather
// than the usual path via the ExclusiveAccessBubbleViews destructor. Since
// the destructor always first removes ExclusiveAccessBubbleViews as an
// observer before starting the close, checking in OnWidgetDestroyed that it's
// still observing achieves this.
EXPECT_TRUE(was_observing_in_destroying_);
EXPECT_TRUE(was_destroying_);
}
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