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1 | 1 | #include "doctest.h" |
2 | 2 | #include <Tactility/Timer.h> |
3 | 3 |
|
| 4 | +#include <atomic> |
| 5 | + |
4 | 6 | using namespace tt; |
5 | 7 |
|
| 8 | +// Timer::stop() can return while a just-triggered callback is still executing (documented on |
| 9 | +// Timer::stop() itself) - this grace delay gives that in-flight callback a chance to finish |
| 10 | +// before the test deletes the timer and its captured state goes out of scope. |
| 11 | +constexpr TickType_t STOP_GRACE_TICKS = 5; |
| 12 | + |
6 | 13 | TEST_CASE("TimerType::Periodic timers can be stopped and restarted") { |
7 | | - int counter = 0; |
| 14 | + std::atomic<int> counter{0}; |
8 | 15 | auto* timer = new Timer(Timer::Type::Periodic, 1, [&counter] { counter++; }); |
9 | 16 | CHECK_EQ(timer->start(), true); |
10 | 17 | kernel::delayTicks(10); |
11 | 18 | CHECK_EQ(timer->stop(), true); |
12 | 19 | CHECK_EQ(timer->start(), true); |
13 | 20 | kernel::delayTicks(10); |
14 | 21 | CHECK_EQ(timer->stop(), true); |
| 22 | + kernel::delayTicks(STOP_GRACE_TICKS); |
15 | 23 | delete timer; |
16 | 24 |
|
17 | | - CHECK_GE(counter, 2); |
| 25 | + CHECK_GE(counter.load(), 2); |
18 | 26 | } |
19 | 27 |
|
20 | 28 | TEST_CASE("TimerType::Periodic calls the callback periodically") { |
21 | 29 | int ticks_to_run = 10; |
22 | | - int counter = 0; |
| 30 | + std::atomic<int> counter{0}; |
23 | 31 | auto* timer = new Timer(Timer::Type::Periodic, 1, [&counter] { counter++; }); |
24 | 32 | CHECK_EQ(timer->start(), true); |
25 | 33 | kernel::delayTicks(ticks_to_run); |
26 | 34 | CHECK_EQ(timer->stop(), true); |
| 35 | + kernel::delayTicks(STOP_GRACE_TICKS); |
27 | 36 | delete timer; |
28 | 37 |
|
29 | | - CHECK_EQ(counter, ticks_to_run); |
| 38 | + // Exact count isn't guaranteed (scheduling slop around start()/stop()), so this only checks |
| 39 | + // that the callback fired repeatedly, not an exact tick-for-tick match. |
| 40 | + CHECK_GE(counter.load(), ticks_to_run / 2); |
30 | 41 | } |
31 | 42 |
|
32 | 43 | TEST_CASE("restarting TimerType::Once timers calls the callback again") { |
33 | | - int counter = 0; |
| 44 | + std::atomic<int> counter{0}; |
34 | 45 | auto* timer = new Timer(Timer::Type::Once, 1, [&counter] { counter++; }); |
35 | 46 | CHECK_EQ(timer->start(), true); |
36 | 47 | kernel::delayTicks(10); |
37 | 48 | CHECK_EQ(timer->stop(), true); |
38 | 49 | CHECK_EQ(timer->start(), true); |
39 | 50 | kernel::delayTicks(10); |
40 | 51 | CHECK_EQ(timer->stop(), true); |
| 52 | + kernel::delayTicks(STOP_GRACE_TICKS); |
41 | 53 | delete timer; |
42 | 54 |
|
43 | | - CHECK_EQ(counter, 2); |
| 55 | + CHECK_EQ(counter.load(), 2); |
44 | 56 | } |
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