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#include "button.h"
#include "mode.h"
#include "stubbed/testutils.h"
#include <assert.h>
#include <avr/io.h>
void before_each() {
PINA = (1 << PA0); // Active on low
button_tick_count = 0;
button_inactive_for_ticks = 0;
}
void after_each() {}
void test_button_press() {
assert(check_button_state() == ButtonIdle);
PINA &= ~(1 << PA0); // Button is pressed
assert(check_button_state() == ButtonActive);
for (int i = 0; i < DEBOUNCE_TICK_COUNT; i++)
assert(check_button_state() == ButtonActive);
PINA |= (1 << PA0); // Button is released
assert(check_button_state() == ButtonPressed); // Detects button press
assert(check_button_state() == ButtonIdle); // Resets to idle
}
void test_button_long_press() {
assert(check_button_state() == ButtonIdle);
// Button is pressed for a while
PINA &= ~(1 << PA0);
for (int i = 0; i < LONG_PRESS_TICK_COUNT - 1; i++)
assert(check_button_state() == ButtonActive);
assert(check_button_state() == ButtonLongPressed); // Detects button press
assert(check_button_state() == ButtonIdle); // Resets to idle
}
void test_button_inactive_after_press() {
assert(check_button_state() == ButtonIdle);
// Button is pressed
PINA &= ~(1 << PA0);
for (int i = 0; i < DEBOUNCE_TICK_COUNT; i++)
assert(check_button_state() == ButtonActive);
PINA |= (1 << PA0); // Button is released
assert(check_button_state() == ButtonPressed);
assert(check_button_state() == ButtonIdle); // Resets to idle
// Button is pressed again
PINA &= ~(1 << PA0);
// Button stays inactive for some time
for (int i = 0; i < BUTTON_INACTIVE_TICK_COUNT - 1; i++)
assert(check_button_state() == ButtonIdle);
// Button becomes active again after delay
assert(check_button_state() == ButtonActive);
}
int main() {
TEST test_button_press();
TEST test_button_long_press();
TEST test_button_inactive_after_press();
return 0;
}
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