summaryrefslogtreecommitdiffstats
path: root/quantum/debounce/tests/debounce_test_common.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'quantum/debounce/tests/debounce_test_common.cpp')
-rw-r--r--quantum/debounce/tests/debounce_test_common.cpp229
1 files changed, 229 insertions, 0 deletions
diff --git a/quantum/debounce/tests/debounce_test_common.cpp b/quantum/debounce/tests/debounce_test_common.cpp
new file mode 100644
index 0000000000..1c5e7c9f4e
--- /dev/null
+++ b/quantum/debounce/tests/debounce_test_common.cpp
@@ -0,0 +1,229 @@
+/* Copyright 2021 Simon Arlott
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 "gtest/gtest.h"
+
+#include "debounce_test_common.h"
+
+#include <algorithm>
+#include <iomanip>
+#include <sstream>
+
+extern "C" {
+#include "quantum.h"
+#include "timer.h"
+#include "debounce.h"
+
+void set_time(uint32_t t);
+void advance_time(uint32_t ms);
+}
+
+void DebounceTest::addEvents(std::initializer_list<DebounceTestEvent> events) {
+ events_.insert(events_.end(), events.begin(), events.end());
+}
+
+void DebounceTest::runEvents() {
+ /* Run the test multiple times, from 1kHz to 10kHz scan rate */
+ for (extra_iterations_ = 0; extra_iterations_ < 10; extra_iterations_++) {
+ if (time_jumps_) {
+ /* Don't advance time smoothly, jump to the next event (some tests require this) */
+ auto_advance_time_ = false;
+ runEventsInternal();
+ } else {
+ /* Run the test with both smooth and irregular time; it must produce the same result */
+ auto_advance_time_ = true;
+ runEventsInternal();
+ auto_advance_time_ = false;
+ runEventsInternal();
+ }
+ }
+}
+
+void DebounceTest::runEventsInternal() {
+ fast_timer_t previous = 0;
+ bool first = true;
+
+ /* Initialise keyboard with start time (offset to avoid testing at 0) and all keys UP */
+ debounce_init(MATRIX_ROWS);
+ set_time(time_offset_);
+ std::fill(std::begin(input_matrix_), std::end(input_matrix_), 0);
+ std::fill(std::begin(output_matrix_), std::end(output_matrix_), 0);
+
+ for (auto &event : events_) {
+ if (!auto_advance_time_) {
+ /* Jump to the next event */
+ set_time(time_offset_ + event.time_);
+ } else if (!first && event.time_ == previous + 1) {
+ /* This event immediately follows the previous one, don't make extra debounce() calls */
+ advance_time(1);
+ } else {
+ /* Fast forward to the time for this event, calling debounce() with no changes */
+ ASSERT_LT((time_offset_ + event.time_) - timer_read_fast(), 60000) << "Test tries to advance more than 1 minute of time";
+
+ while (timer_read_fast() != time_offset_ + event.time_) {
+ runDebounce(false);
+ checkCookedMatrix(false, "debounce() modified cooked matrix");
+ advance_time(1);
+ }
+ }
+
+ first = false;
+ previous = event.time_;
+
+ /* Prepare input matrix */
+ for (auto &input : event.inputs_) {
+ matrixUpdate(input_matrix_, "input", input);
+ }
+
+ /* Call debounce */
+ runDebounce(!event.inputs_.empty());
+
+ /* Prepare output matrix */
+ for (auto &output : event.outputs_) {
+ matrixUpdate(output_matrix_, "output", output);
+ }
+
+ /* Check output matrix has expected change events */
+ for (auto &output : event.outputs_) {
+ 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_);
+ }
+
+ /* Check output matrix has no other changes */
+ checkCookedMatrix(!event.inputs_.empty(), "debounce() cooked matrix does not match expected output matrix");
+
+ /* Perform some extra iterations of the matrix scan with no changes */
+ for (int i = 0; i < extra_iterations_; i++) {
+ runDebounce(false);
+ checkCookedMatrix(false, "debounce() modified cooked matrix");
+ }
+ }
+
+ /* Check that no further changes happen for 1 minute */
+ for (int i = 0; i < 60000; i++) {
+ runDebounce(false);
+ checkCookedMatrix(false, "debounce() modified cooked matrix");
+ advance_time(1);
+ }
+
+ debounce_free();
+}
+
+void DebounceTest::runDebounce(bool changed) {
+ std::copy(std::begin(input_matrix_), std::end(input_matrix_), std::begin(raw_matrix_));
+ std::copy(std::begin(output_matrix_), std::end(output_matrix_), std::begin(cooked_matrix_));
+
+ debounce(raw_matrix_, cooked_matrix_, MATRIX_ROWS, changed);
+
+ if (!std::equal(std::begin(input_matrix_), std::end(input_matrix_), std::begin(raw_matrix_))) {
+ FAIL() << "Fatal error: debounce() modified raw matrix at " << strTime()
+ << "\ninput_matrix: changed=" << changed << "\n" << strMatrix(input_matrix_)
+ << "\nraw_matrix:\n" << strMatrix(raw_matrix_);
+ }
+}
+
+void DebounceTest::checkCookedMatrix(bool changed, const std::string &error_message) {
+ if (!std::equal(std::begin(output_matrix_), std::end(output_matrix_), std::begin(cooked_matrix_))) {
+ 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_);
+ }
+}
+
+std::string DebounceTest::strTime() {
+ std::stringstream text;
+
+ text << "time " << (timer_read_fast() - time_offset_)
+ << " (extra_iterations=" << extra_iterations_
+ << ", auto_advance_time=" << auto_advance_time_ << ")";
+
+ return text.str();
+}
+
+std::string DebounceTest::strMatrix(matrix_row_t matrix[]) {
+ std::stringstream text;
+
+ text << "\t" << std::setw(3) << "";
+ for (int col = 0; col < MATRIX_COLS; col++) {
+ text << " " << std::setw(2) << col;
+ }
+ text << "\n";
+
+ for (int row = 0; row < MATRIX_ROWS; row++) {
+ text << "\t" << std::setw(2) << row << ":";
+ for (int col = 0; col < MATRIX_COLS; col++) {
+ text << ((matrix[row] & (1U << col)) ? " XX" : " __");
+ }
+
+ text << "\n";
+ }
+
+ return text.str();
+}
+
+bool DebounceTest::directionValue(Direction direction) {
+ switch (direction) {
+ case DOWN:
+ return true;
+
+ case UP:
+ return false;
+ }
+}
+
+std::string DebounceTest::directionLabel(Direction direction) {
+ switch (direction) {
+ case DOWN:
+ return "DOWN";
+
+ case UP:
+ return "UP";
+ }
+}
+
+/* Modify a matrix and verify that events always specify a change */
+void DebounceTest::matrixUpdate(matrix_row_t matrix[], const std::string &name, const MatrixTestEvent &event) {
+ 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);
+
+ switch (event.direction_) {
+ case DOWN:
+ matrix[event.row_] |= (1U << event.col_);
+ break;
+
+ case UP:
+ matrix[event.row_] &= ~(1U << event.col_);
+ break;
+ }
+}
+
+DebounceTestEvent::DebounceTestEvent(fast_timer_t time,
+ std::initializer_list<MatrixTestEvent> inputs,
+ std::initializer_list<MatrixTestEvent> outputs)
+ : time_(time), inputs_(inputs), outputs_(outputs) {
+}
+
+MatrixTestEvent::MatrixTestEvent(int row, int col, Direction direction)
+ : row_(row), col_(col), direction_(direction) {
+}