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/*
* Copyright 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "MultiTouchMotionAccumulator.h"
#include "InputMapperTest.h"
namespace android {
class MultiTouchMotionAccumulatorTest : public InputMapperUnitTest {
protected:
static constexpr size_t SLOT_COUNT = 8;
MultiTouchMotionAccumulator mMotionAccumulator;
void processMotionEvent(int32_t type, int32_t code, int32_t value) {
RawEvent event;
event.when = ARBITRARY_TIME;
event.readTime = READ_TIME;
event.deviceId = EVENTHUB_ID;
event.type = type;
event.code = code;
event.value = value;
mMotionAccumulator.process(&event);
}
};
TEST_F(MultiTouchMotionAccumulatorTest, ActiveSlotCountUsingSlotsProtocol) {
mMotionAccumulator.configure(*mDeviceContext, SLOT_COUNT, /*usingSlotsProtocol=*/true);
// We expect active slot count to match the touches being tracked
// first touch
processMotionEvent(EV_ABS, ABS_MT_SLOT, 0);
processMotionEvent(EV_ABS, ABS_MT_TRACKING_ID, 123);
processMotionEvent(EV_SYN, SYN_REPORT, 0);
ASSERT_EQ(1u, mMotionAccumulator.getActiveSlotsCount());
// second touch
processMotionEvent(EV_ABS, ABS_MT_SLOT, 1);
processMotionEvent(EV_ABS, ABS_MT_TRACKING_ID, 456);
processMotionEvent(EV_SYN, SYN_REPORT, 0);
ASSERT_EQ(2u, mMotionAccumulator.getActiveSlotsCount());
// second lifted
processMotionEvent(EV_ABS, ABS_MT_TRACKING_ID, -1);
processMotionEvent(EV_SYN, SYN_REPORT, 0);
ASSERT_EQ(1u, mMotionAccumulator.getActiveSlotsCount());
// first lifted
processMotionEvent(EV_ABS, ABS_MT_SLOT, 0);
processMotionEvent(EV_ABS, ABS_MT_TRACKING_ID, -1);
processMotionEvent(EV_SYN, SYN_REPORT, 0);
ASSERT_EQ(0u, mMotionAccumulator.getActiveSlotsCount());
}
TEST_F(MultiTouchMotionAccumulatorTest, ActiveSlotCountNotUsingSlotsProtocol) {
mMotionAccumulator.configure(*mDeviceContext, SLOT_COUNT, /*usingSlotsProtocol=*/false);
// first touch
processMotionEvent(EV_ABS, ABS_MT_POSITION_X, 0);
processMotionEvent(EV_ABS, ABS_MT_POSITION_Y, 0);
processMotionEvent(EV_SYN, SYN_MT_REPORT, 0);
ASSERT_EQ(1u, mMotionAccumulator.getActiveSlotsCount());
// second touch
processMotionEvent(EV_ABS, ABS_MT_POSITION_X, 50);
processMotionEvent(EV_ABS, ABS_MT_POSITION_Y, 50);
processMotionEvent(EV_SYN, SYN_MT_REPORT, 0);
ASSERT_EQ(2u, mMotionAccumulator.getActiveSlotsCount());
// reset
mMotionAccumulator.finishSync();
ASSERT_EQ(0u, mMotionAccumulator.getActiveSlotsCount());
}
} // namespace android
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