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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 "fd_manager.h"
#include <mir/test/doubles/mock_main_loop.h>
#include <gtest/gtest.h>
#include <gmock/gmock.h>
using namespace testing;
using namespace mir::test::doubles;
struct FdManager : public testing::Test
{
std::shared_ptr<miral::FdManager> const manager = std::make_shared<miral::FdManager>();
std::shared_ptr<NiceMock<MockMainLoop>> const main_loop = std::make_shared<NiceMock<MockMainLoop>>();
mir::Fd fd = mir::Fd{42};
void attach_main_loop()
{
manager->set_main_loop(main_loop);
}
};
TEST_F(FdManager, dropping_fd_handle_after_main_loop_created_unregisters_handler)
{
attach_main_loop();
{
auto const handle = manager->register_handler(fd, [](int) { std::function<void(int)>(); });
EXPECT_CALL(*main_loop.get(), unregister_fd_handler(_));
}
}
TEST_F(FdManager, dropping_fd_handle_before_main_loop_created_does_not_register_handler)
{
EXPECT_CALL(*main_loop.get(), register_fd_handler(_, _, _))
.Times(0);
auto const handle = manager->register_handler(fd, [](int) { std::function<void(int)>(); });
}
TEST_F(FdManager, dropping_fd_handle_before_main_loop_created_does_not_register_handler_after_main_loop_created)
{
{
auto const handle = manager->register_handler(fd, [](int) { std::function<void(int)>(); });
}
EXPECT_CALL(*main_loop.get(), register_fd_handler(_, _, _))
.Times(0);
attach_main_loop();
}
TEST_F(FdManager, register_handler_after_main_loop_created_registers_fd_handler)
{
attach_main_loop();
EXPECT_CALL(*main_loop.get(), register_fd_handler(_, _, _));
auto const handle = manager->register_handler(fd, [](int) { std::function<void(int)>(); });
}
TEST_F(FdManager, register_handler_before_main_loop_created_registers_fd_handler_after_main_loop_created)
{
auto const handle = manager->register_handler(fd, [](int) { std::function<void(int)>(); });
EXPECT_CALL(*main_loop.get(), register_fd_handler(_, _, _))
.Times(1);
attach_main_loop();
}
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