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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 "mir/shell/persistent_surface_store.h"
#include "mir/scene/surface_observer.h"
#include "src/server/shell/default_persistent_surface_store.h"
#include "mir/test/doubles/mock_surface.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
namespace ms = mir::scene;
namespace msh = mir::shell;
namespace mtd = mir::test::doubles;
TEST(DefaultPersistentSurfaceStore, id_for_surface_is_idempotent)
{
using namespace testing;
msh::DefaultPersistentSurfaceStore store;
auto surface = std::make_shared<NiceMock<mtd::MockSurface>>();
auto id_one = store.id_for_surface(surface);
auto id_two = store.id_for_surface(surface);
EXPECT_THAT(id_one, Eq(std::ref(id_two)));
}
TEST(DefaultPersistentSurfaceStore, id_is_stable_under_aliasing)
{
using namespace testing;
msh::DefaultPersistentSurfaceStore store;
auto surface = std::make_shared<NiceMock<mtd::MockSurface>>();
auto surface_alias = surface;
auto id_one = store.id_for_surface(surface);
auto id_two = store.id_for_surface(surface_alias);
EXPECT_THAT(id_one, Eq(std::ref(id_two)));
}
TEST(DefaultPersistentSurfaceStore, can_lookup_surface_by_id)
{
using namespace testing;
msh::DefaultPersistentSurfaceStore store;
auto surface = std::make_shared<NiceMock<mtd::MockSurface>>();
auto id = store.id_for_surface(surface);
auto looked_up_surface = store.surface_for_id(id);
EXPECT_THAT(looked_up_surface, Eq(surface));
}
TEST(DefaultPersistentSurfaceStore, retrieves_correct_surface)
{
using namespace testing;
msh::DefaultPersistentSurfaceStore store;
auto surface_one = std::make_shared<NiceMock<mtd::MockSurface>>();
auto surface_two = std::make_shared<NiceMock<mtd::MockSurface>>();
auto id_one = store.id_for_surface(surface_one);
auto id_two = store.id_for_surface(surface_two);
auto looked_up_surface_one = store.surface_for_id(id_one);
auto looked_up_surface_two = store.surface_for_id(id_two);
EXPECT_THAT(looked_up_surface_one, Eq(surface_one));
EXPECT_THAT(looked_up_surface_two, Eq(surface_two));
}
TEST(DefaultPersistentSurfaceStore, looking_up_destroyed_surface_returns_nullptr)
{
using namespace testing;
msh::DefaultPersistentSurfaceStore store;
auto surface = std::make_shared<NiceMock<mtd::MockSurface>>();
auto id = store.id_for_surface(surface);
surface.reset();
auto looked_up_surface = store.surface_for_id(id);
EXPECT_THAT(looked_up_surface, Eq(nullptr));
}
TEST(DefaultPersistentSurfaceStore, looking_up_nonexistent_surface_throws)
{
using namespace testing;
msh::DefaultPersistentSurfaceStore store;
msh::PersistentSurfaceStore::Id id;
EXPECT_THROW(store.surface_for_id(id), std::out_of_range);
}
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