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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_toolkit/event.h>
#include <mir/shell/accessibility_manager.h>
#include "src/server/input/default_event_builder.h"
#include "src/server/shell/basic_slow_keys_transformer.h"
#include <mir/test/doubles/advanceable_clock.h>
#include <mir/test/doubles/queued_alarm_stub_main_loop.h>
#include <mir/test/fake_shared.h>
#include <gtest/gtest.h>
#include <gmock/gmock.h>
namespace mi = mir::input;
namespace mt = mir::test;
namespace mtd = mt::doubles;
using namespace ::testing;
using namespace std::chrono_literals;
namespace
{
static auto constexpr test_slow_keys_delay = 100ms;
}
struct TestSlowKeysTransformer : Test
{
TestSlowKeysTransformer() :
main_loop{std::make_shared<mtd::QueuedAlarmStubMainLoop>(mt::fake_shared(clock))},
transformer{
std::make_shared<mir::shell::BasicSlowKeysTransformer>(main_loop),
},
event_builder{0, mt::fake_shared(clock)},
dispatch{[&](std::shared_ptr<MirEvent> const&) {}}
{
transformer->delay(test_slow_keys_delay);
}
auto key_down(unsigned int keysym, unsigned int scancode) -> mir::EventUPtr
{
return event_builder.key_event(std::nullopt, mir_keyboard_action_down, keysym, scancode);
}
auto key_up(unsigned int keysym, unsigned int scancode) -> mir::EventUPtr
{
return event_builder.key_event(std::nullopt, mir_keyboard_action_up, keysym, scancode);
}
mtd::AdvanceableClock clock;
std::shared_ptr<mtd::QueuedAlarmStubMainLoop> const main_loop;
std::shared_ptr<mir::shell::SlowKeysTransformer> const transformer;
mi::DefaultEventBuilder event_builder;
std::function<void(std::shared_ptr<MirEvent> const& event)> dispatch;
};
struct TestSlowKeysTransformerPressDelays: public TestSlowKeysTransformer, public WithParamInterface<std::chrono::milliseconds>
{
};
TEST_P(TestSlowKeysTransformerPressDelays, only_presses_held_for_slow_keys_delay_are_accepted)
{
auto const press_delay = GetParam();
auto accepted = 0, rejected = 0, down = 0;
transformer->on_key_accepted([&accepted](auto) { accepted += 1; });
transformer->on_key_rejected([&rejected](auto) { rejected += 1; });
transformer->on_key_down([&down](auto) { down += 1; });
auto const attempts = 5;
for(auto i = 0; i < attempts; i++)
{
transformer->transform_input_event(dispatch, &event_builder, *key_down(XKB_KEY_d, 32));
clock.advance_by(press_delay);
main_loop->call_queued();
transformer->transform_input_event(dispatch, &event_builder, *key_up(XKB_KEY_d, 32));
}
EXPECT_THAT(down, Eq(attempts));
EXPECT_THAT(press_delay < test_slow_keys_delay ? rejected : accepted, Eq(attempts));
}
INSTANTIATE_TEST_SUITE_P(
TestSlowKeysTransformer, TestSlowKeysTransformerPressDelays, Values(test_slow_keys_delay - 1ms, test_slow_keys_delay + 1ms));
struct TestSlowKeysTransformerWithKeyInterference: public TestSlowKeysTransformer, public WithParamInterface<std::chrono::milliseconds>
{
};
TEST_P(TestSlowKeysTransformerWithKeyInterference, different_buttons_dont_interfere_with_each_other)
{
auto const press_delay = GetParam();
auto accepted = 0, rejected = 0, down = 0;
transformer->on_key_accepted([&accepted](auto) { accepted += 1; });
transformer->on_key_rejected([&rejected](auto) { rejected += 1; });
transformer->on_key_down([&down](auto) { down += 1; });
auto const attempts = 5;
for(auto i = 0; i < attempts; i++)
{
transformer->transform_input_event(dispatch, &event_builder, *key_down(XKB_KEY_d, 32));
transformer->transform_input_event(dispatch, &event_builder, *key_down(XKB_KEY_f, 33));
clock.advance_by(press_delay);
main_loop->call_queued();
transformer->transform_input_event(dispatch, &event_builder, *key_up(XKB_KEY_d, 32));
transformer->transform_input_event(dispatch, &event_builder, *key_up(XKB_KEY_f, 33));
}
EXPECT_THAT(down, Eq(attempts * 2));
if (press_delay < test_slow_keys_delay)
{
EXPECT_THAT(accepted, Eq(0));
EXPECT_THAT(rejected, Eq(attempts * 2));
}
else
{
EXPECT_THAT(accepted, Eq(attempts * 2));
EXPECT_THAT(rejected, Eq(0));
}
}
INSTANTIATE_TEST_SUITE_P(
TestSlowKeysTransformer, TestSlowKeysTransformerWithKeyInterference, Values(test_slow_keys_delay - 1ms, test_slow_keys_delay + 1ms));
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