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ash / drag_drop / tab_drag_drop_windows_hider_unittest.cc [blame]
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/drag_drop/tab_drag_drop_windows_hider.h"
#include "ash/test/ash_test_base.h"
namespace ash {
class TabDragDropWindowsHiderTest : public AshTestBase {
public:
// AshTestBase:
void SetUp() override {
AshTestBase::SetUp();
dummy_window_ = CreateToplevelTestWindow();
}
void TearDown() override {
dummy_window_.reset();
AshTestBase::TearDown();
}
protected:
std::unique_ptr<aura::Window> dummy_window_;
};
// Test for crbug.com/1330038 .
TEST_F(TabDragDropWindowsHiderTest, WindowVisibilityChangedDuringDrag) {
std::unique_ptr<aura::Window> source_window = CreateToplevelTestWindow();
// Create a sub window and hide it.
std::unique_ptr<aura::Window> sub_window = CreateTestWindow();
dummy_window_->AddChild(sub_window.get());
sub_window->Hide();
auto hider = std::make_unique<TabDragDropWindowsHider>(source_window.get());
int size = hider->GetWindowVisibilityMapSizeForTesting();
// Show the sub window. Make sure the window observer list size remains the
// same.
sub_window->Show();
EXPECT_EQ(size, hider->GetWindowVisibilityMapSizeForTesting());
sub_window.reset();
}
} // namespace ash