Function TestTimerEdgeCases

internal/sleepable/sleepable_timer_test.go:147–191

(t *testing.T)

}

func TestTimerEdgeCases(t *testing.T) {
	// Set a small MaxSleepTime for testing
	setMaxSleepTimeForTest(t, testMaxSleepTime)

	t.Run("past time", func(t *testing.T) {
		start := clock.Now()
		target := start.Add(-1 * time.Second)

		timer := NewTimer(clock.Now, target)
		select {
		case <-timer.C:
		case <-time.After(10 * time.Millisecond):
			t.Error("timer did not trigger immediately for past time")
		}
	})

	t.Run("exactly now", func(t *testing.T) {
		start := clock.Now()
		target := start

		timer := NewTimer(clock.Now, target)
		select {
		case <-timer.C:
		case <-time.After(10 * time.Millisecond):
			t.Error("timer did not trigger immediately for current time")
		}
	})

	t.Run("very long duration", func(t *testing.T) {
		start := clock.Now()
		target := start.Add(100 * time.Millisecond) // Use a shorter duration for testing

		timer := NewTimer(clock.Now, target)
		select {
		case <-timer.C:
			elapsed := clock.Now().Sub(start)
			// Allow tolerance for timing variations
			if elapsed < 100*time.Millisecond-20*time.Millisecond || elapsed > 100*time.Millisecond+50*time.Millisecond {
				t.Errorf("very long timer triggered at wrong time: expected ~%v, got %v", 100*time.Millisecond, elapsed)
			}
		case <-time.After(200 * time.Millisecond):
			t.Error("very long timer did not trigger within expected time")
		}
	})
}

func TestTimerChannelBehavior(t *testing.T) {
	// Set a small MaxSleepTime for testing