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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 "ui/views/widget/widget_delegate.h"
#include <utility>
#include "base/test/bind.h"
#include "ui/views/test/views_test_base.h"
#include "ui/views/view.h"
#include "ui/views/view_tracker.h"
namespace views {
namespace {
using WidgetDelegateTest = views::ViewsTestBase;
TEST_F(WidgetDelegateTest, ClientOwnedContentsViewOwnershipNotHeld) {
std::unique_ptr<View> view = std::make_unique<View>();
view->set_owned_by_client();
ViewTracker tracker(view.get());
auto delegate = std::make_unique<WidgetDelegate>();
delegate->SetContentsView(view.get());
delegate.reset();
ASSERT_TRUE(tracker.view());
view.reset();
EXPECT_FALSE(tracker.view());
}
TEST_F(WidgetDelegateTest, ContentsViewOwnershipHeld) {
std::unique_ptr<View> view = std::make_unique<View>();
ViewTracker tracker(view.get());
auto delegate = std::make_unique<WidgetDelegate>();
delegate->SetContentsView(std::move(view));
delegate.reset();
EXPECT_FALSE(tracker.view());
}
TEST_F(WidgetDelegateTest, ContentsViewOwnershipTransferredToCaller) {
std::unique_ptr<View> view = std::make_unique<View>();
ViewTracker tracker(view.get());
std::unique_ptr<View> same_view;
auto delegate = std::make_unique<WidgetDelegate>();
delegate->SetContentsView(std::move(view));
same_view = base::WrapUnique(delegate->TransferOwnershipOfContentsView());
EXPECT_EQ(tracker.view(), same_view.get());
delegate.reset();
EXPECT_TRUE(tracker.view());
}
TEST_F(WidgetDelegateTest, GetContentsViewDoesNotTransferOwnership) {
std::unique_ptr<View> view = std::make_unique<View>();
ViewTracker tracker(view.get());
auto delegate = std::make_unique<WidgetDelegate>();
delegate->SetContentsView(std::move(view));
EXPECT_EQ(delegate->GetContentsView(), tracker.view());
delegate.reset();
EXPECT_FALSE(tracker.view());
}
TEST_F(WidgetDelegateTest, ClientViewFactoryCanReplaceClientView) {
ViewTracker tracker;
auto delegate = std::make_unique<WidgetDelegate>();
delegate->SetClientViewFactory(
base::BindLambdaForTesting([&tracker](Widget* widget) {
auto view = std::make_unique<ClientView>(widget, nullptr);
tracker.SetView(view.get());
return view;
}));
auto client =
base::WrapUnique<ClientView>(delegate->CreateClientView(nullptr));
EXPECT_EQ(tracker.view(), client.get());
}
TEST_F(WidgetDelegateTest,
NonClientFrameViewFactoryCanReplaceNonClientFrameView) {
ViewTracker tracker;
auto delegate = std::make_unique<WidgetDelegate>();
delegate->SetNonClientFrameViewFactory(
base::BindLambdaForTesting([&tracker](Widget* widget) {
auto view = std::make_unique<NonClientFrameView>();
tracker.SetView(view.get());
return view;
}));
auto nonclient = delegate->CreateNonClientFrameView(nullptr);
EXPECT_EQ(tracker.view(), nonclient.get());
}
TEST_F(WidgetDelegateTest, OverlayViewFactoryCanReplaceOverlayView) {
ViewTracker tracker;
auto delegate = std::make_unique<WidgetDelegate>();
delegate->SetOverlayViewFactory(base::BindLambdaForTesting([&tracker]() {
auto view = std::make_unique<View>();
tracker.SetView(view.get());
return view;
}));
auto overlay = base::WrapUnique<View>(delegate->CreateOverlayView());
EXPECT_EQ(tracker.view(), overlay.get());
}
} // namespace
} // namespace views
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