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/*
* Copyright © Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 or 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "test_window_manager_tools.h"
#include <mir/event_printer.h>
using namespace miral;
using namespace testing;
namespace mt = mir::test;
using mir::operator<<;
namespace
{
X const display_left{0};
Y const display_top{0};
Width const display_width{640};
Height const display_height{480};
Rectangle const display_area{{display_left, display_top},
{display_width, display_height}};
struct DisplayConfiguration : mt::TestWindowManagerTools
{
Size const initial_window_size{600, 400};
Window window;
void SetUp() override
{
notify_configuration_applied(create_fake_display_configuration({display_area}));
basic_window_manager.add_session(session);
}
void create_fullscreen_window()
{
mir::shell::SurfaceSpecification creation_parameters;
creation_parameters.type = mir_window_type_normal;
creation_parameters.set_size(initial_window_size);
creation_parameters.state = mir_window_state_fullscreen;
creation_parameters.output_id = mir::graphics::DisplayConfigurationOutputId{0};
EXPECT_CALL(*window_manager_policy, advise_new_window(_))
.WillOnce(
Invoke(
[this](WindowInfo const& window_info)
{ window = window_info.window(); }));
basic_window_manager.add_surface(session, creation_parameters, &create_surface);
basic_window_manager.select_active_window(window);
// Clear the expectations used to capture parent & child
Mock::VerifyAndClearExpectations(window_manager_policy);
}
};
}
// This is the scenario behind lp:1640557
TEST_F(DisplayConfiguration, given_fullscreen_windows_reconfiguring_displays_doesnt_crash)
{
create_fullscreen_window();
WindowSpecification mods;
mods.state() = mir_window_state_hidden;
window_manager_tools.modify_window(window, mods);
mods.state() = mir_window_state_fullscreen;
window_manager_tools.modify_window(window, mods);
Rectangle const new_display{
display_area.top_left + Displacement{as_delta(display_width), 0}, display_area.size};
notify_configuration_applied(create_fake_display_configuration({display_area}));
basic_window_manager.remove_display(new_display);
}
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