211 lines
		
	
	
	
		
			8.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			211 lines
		
	
	
	
		
			8.2 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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| 
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| #include "gtest/gtest.h"
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| 
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| #include "debounce_test_common.h"
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| 
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| #include <algorithm>
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| #include <iomanip>
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| #include <sstream>
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|         first    = false;
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|         previous = event.time_;
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| 
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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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| 
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|         /* Call debounce */
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|         runDebounce(!event.inputs_.empty());
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| 
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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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| 
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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_)) << "Missing event at " << strTime() << " expected key " << output.row_ << "," << output.col_ << " " << directionLabel(output.direction_) << "\ninput_matrix: changed=" << !event.inputs_.empty() << "\n" << strMatrix(input_matrix_) << "\nexpected_matrix:\n" << strMatrix(output_matrix_) << "\nactual_matrix:\n" << strMatrix(cooked_matrix_);
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|         }
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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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| 
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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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| 
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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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| 
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|     debounce_free();
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| }
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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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| 
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|     bool cooked_changed = debounce(raw_matrix_, cooked_matrix_, MATRIX_ROWS, changed);
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| 
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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() << "\ninput_matrix: changed=" << changed << "\n" << strMatrix(input_matrix_) << "\nraw_matrix:\n" << strMatrix(raw_matrix_);
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|     }
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| 
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|     if (std::equal(std::begin(output_matrix_), std::end(output_matrix_), std::begin(cooked_matrix_)) && cooked_changed) {
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|         FAIL() << "Fatal error: debounce() did detect a wrong cooked matrix change at " << strTime() << "\noutput_matrix: cooked_changed=" << cooked_changed << "\n" << strMatrix(output_matrix_) << "\ncooked_matrix:\n" << strMatrix(cooked_matrix_);
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|     }
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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() << "\ninput_matrix: changed=" << changed << "\n" << strMatrix(input_matrix_) << "\nexpected_matrix:\n" << strMatrix(output_matrix_) << "\nactual_matrix:\n" << strMatrix(cooked_matrix_);
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|     }
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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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| 
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|     text << "time " << (timer_read_fast() - time_offset_) << " (extra_iterations=" << extra_iterations_ << ", auto_advance_time=" << auto_advance_time_ << ")";
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| 
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|     return text.str();
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| }
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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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| 
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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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| 
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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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| 
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|         text << "\n";
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|     }
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| 
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|     return text.str();
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| }
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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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| 
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|         case UP:
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|             return false;
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|     }
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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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| 
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|         case UP:
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|             return "UP";
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|     }
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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_)) << "Test " << name << " at " << strTime() << " sets key " << event.row_ << "," << event.col_ << " " << directionLabel(event.direction_) << " but it is already " << directionLabel(event.direction_) << "\n" << name << "_matrix:\n" << strMatrix(matrix);
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| 
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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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| 
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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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| 
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| DebounceTestEvent::DebounceTestEvent(fast_timer_t time, std::initializer_list<MatrixTestEvent> inputs, std::initializer_list<MatrixTestEvent> outputs) : time_(time), inputs_(inputs), outputs_(outputs) {}
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| 
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| MatrixTestEvent::MatrixTestEvent(int row, int col, Direction direction) : row_(row), col_(col), direction_(direction) {}
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