230 lines
8.0 KiB
C++
230 lines
8.0 KiB
C++
/* Copyright 2021 Simon Arlott
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "gtest/gtest.h"
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#include "debounce_test_common.h"
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#include <algorithm>
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#include <iomanip>
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#include <sstream>
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extern "C" {
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#include "quantum.h"
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#include "timer.h"
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#include "debounce.h"
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void set_time(uint32_t t);
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void advance_time(uint32_t ms);
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}
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void DebounceTest::addEvents(std::initializer_list<DebounceTestEvent> events) {
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events_.insert(events_.end(), events.begin(), events.end());
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}
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void DebounceTest::runEvents() {
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/* Run the test multiple times, from 1kHz to 10kHz scan rate */
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for (extra_iterations_ = 0; extra_iterations_ < 10; extra_iterations_++) {
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if (time_jumps_) {
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/* Don't advance time smoothly, jump to the next event (some tests require this) */
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auto_advance_time_ = false;
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runEventsInternal();
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} else {
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/* Run the test with both smooth and irregular time; it must produce the same result */
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auto_advance_time_ = true;
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runEventsInternal();
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auto_advance_time_ = false;
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runEventsInternal();
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}
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}
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}
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void DebounceTest::runEventsInternal() {
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fast_timer_t previous = 0;
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bool first = true;
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/* Initialise keyboard with start time (offset to avoid testing at 0) and all keys UP */
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debounce_init(MATRIX_ROWS);
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set_time(time_offset_);
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std::fill(std::begin(input_matrix_), std::end(input_matrix_), 0);
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std::fill(std::begin(output_matrix_), std::end(output_matrix_), 0);
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for (auto &event : events_) {
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if (!auto_advance_time_) {
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/* Jump to the next event */
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set_time(time_offset_ + event.time_);
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} else if (!first && event.time_ == previous + 1) {
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/* This event immediately follows the previous one, don't make extra debounce() calls */
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advance_time(1);
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} else {
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/* Fast forward to the time for this event, calling debounce() with no changes */
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ASSERT_LT((time_offset_ + event.time_) - timer_read_fast(), 60000) << "Test tries to advance more than 1 minute of time";
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while (timer_read_fast() != time_offset_ + event.time_) {
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runDebounce(false);
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checkCookedMatrix(false, "debounce() modified cooked matrix");
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advance_time(1);
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}
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}
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first = false;
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previous = event.time_;
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/* Prepare input matrix */
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for (auto &input : event.inputs_) {
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matrixUpdate(input_matrix_, "input", input);
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}
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/* Call debounce */
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runDebounce(!event.inputs_.empty());
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/* Prepare output matrix */
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for (auto &output : event.outputs_) {
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matrixUpdate(output_matrix_, "output", output);
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}
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/* Check output matrix has expected change events */
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for (auto &output : event.outputs_) {
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EXPECT_EQ(!!(cooked_matrix_[output.row_] & (1U << output.col_)), directionValue(output.direction_))
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<< "Missing event at " << strTime()
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<< " expected key " << output.row_ << "," << output.col_ << " " << directionLabel(output.direction_)
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<< "\ninput_matrix: changed=" << !event.inputs_.empty() << "\n" << strMatrix(input_matrix_)
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<< "\nexpected_matrix:\n" << strMatrix(output_matrix_)
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<< "\nactual_matrix:\n" << strMatrix(cooked_matrix_);
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}
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/* Check output matrix has no other changes */
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checkCookedMatrix(!event.inputs_.empty(), "debounce() cooked matrix does not match expected output matrix");
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/* Perform some extra iterations of the matrix scan with no changes */
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for (int i = 0; i < extra_iterations_; i++) {
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runDebounce(false);
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checkCookedMatrix(false, "debounce() modified cooked matrix");
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}
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}
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/* Check that no further changes happen for 1 minute */
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for (int i = 0; i < 60000; i++) {
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runDebounce(false);
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checkCookedMatrix(false, "debounce() modified cooked matrix");
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advance_time(1);
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}
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debounce_free();
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}
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void DebounceTest::runDebounce(bool changed) {
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std::copy(std::begin(input_matrix_), std::end(input_matrix_), std::begin(raw_matrix_));
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std::copy(std::begin(output_matrix_), std::end(output_matrix_), std::begin(cooked_matrix_));
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debounce(raw_matrix_, cooked_matrix_, MATRIX_ROWS, changed);
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if (!std::equal(std::begin(input_matrix_), std::end(input_matrix_), std::begin(raw_matrix_))) {
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FAIL() << "Fatal error: debounce() modified raw matrix at " << strTime()
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<< "\ninput_matrix: changed=" << changed << "\n" << strMatrix(input_matrix_)
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<< "\nraw_matrix:\n" << strMatrix(raw_matrix_);
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}
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}
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void DebounceTest::checkCookedMatrix(bool changed, const std::string &error_message) {
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if (!std::equal(std::begin(output_matrix_), std::end(output_matrix_), std::begin(cooked_matrix_))) {
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FAIL() << "Unexpected event: " << error_message << " at " << strTime()
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<< "\ninput_matrix: changed=" << changed << "\n" << strMatrix(input_matrix_)
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<< "\nexpected_matrix:\n" << strMatrix(output_matrix_)
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<< "\nactual_matrix:\n" << strMatrix(cooked_matrix_);
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}
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}
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std::string DebounceTest::strTime() {
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std::stringstream text;
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text << "time " << (timer_read_fast() - time_offset_)
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<< " (extra_iterations=" << extra_iterations_
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<< ", auto_advance_time=" << auto_advance_time_ << ")";
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return text.str();
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}
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std::string DebounceTest::strMatrix(matrix_row_t matrix[]) {
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std::stringstream text;
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text << "\t" << std::setw(3) << "";
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for (int col = 0; col < MATRIX_COLS; col++) {
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text << " " << std::setw(2) << col;
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}
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text << "\n";
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for (int row = 0; row < MATRIX_ROWS; row++) {
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text << "\t" << std::setw(2) << row << ":";
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for (int col = 0; col < MATRIX_COLS; col++) {
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text << ((matrix[row] & (1U << col)) ? " XX" : " __");
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}
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text << "\n";
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}
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return text.str();
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}
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bool DebounceTest::directionValue(Direction direction) {
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switch (direction) {
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case DOWN:
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return true;
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case UP:
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return false;
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}
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}
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std::string DebounceTest::directionLabel(Direction direction) {
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switch (direction) {
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case DOWN:
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return "DOWN";
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case UP:
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return "UP";
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}
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}
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/* Modify a matrix and verify that events always specify a change */
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void DebounceTest::matrixUpdate(matrix_row_t matrix[], const std::string &name, const MatrixTestEvent &event) {
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ASSERT_NE(!!(matrix[event.row_] & (1U << event.col_)), directionValue(event.direction_))
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<< "Test " << name << " at " << strTime()
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<< " sets key " << event.row_ << "," << event.col_ << " " << directionLabel(event.direction_)
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<< " but it is already " << directionLabel(event.direction_)
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<< "\n" << name << "_matrix:\n" << strMatrix(matrix);
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switch (event.direction_) {
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case DOWN:
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matrix[event.row_] |= (1U << event.col_);
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break;
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case UP:
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matrix[event.row_] &= ~(1U << event.col_);
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break;
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}
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}
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DebounceTestEvent::DebounceTestEvent(fast_timer_t time,
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std::initializer_list<MatrixTestEvent> inputs,
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std::initializer_list<MatrixTestEvent> outputs)
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: time_(time), inputs_(inputs), outputs_(outputs) {
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}
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MatrixTestEvent::MatrixTestEvent(int row, int col, Direction direction)
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: row_(row), col_(col), direction_(direction) {
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}
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