def test_timer_external():
"""Test externally-clocked timer functionality."""
timer = TimeoutTimer(timeout=0.2, clock=Clock(time=0.0))
assert timer.timeout_time is None
assert timer.elapsed is None
assert_timer_stopped(timer)
# Basic test
timer.clock.update(1.0)
timer.start()
assert repr(timer) == 'TimeoutTimer(running from 1.0, timeout=0.2)'
assert timer.timeout_time == 1.2
timer.clock.update(1.1)
assert_timer_halfway(timer)
timer.clock.update(1.2)
assert_timer_finished(timer)
timer.clock.update(1.3)
assert_timer_finished(timer)
timer.clock.update(0.0)
timer.reset()
timer.clock.update(0.1)
assert_timer_halfway(timer)
timer.clock.update(0.2)
assert_timer_finished(timer)
# Shared-clock test
timer.clock.update(1.0)
timer.reset()
timer_slow = TimeoutTimer(timeout=0.4, clock=timer.clock)
timer_slow.start()
timer.clock.update(1.1)
assert_timer_halfway(timer)
timer.clock.update(1.2)
assert_timer_finished(timer)
assert_timer_halfway(timer_slow)
timer.clock.update(1.4)
assert_timer_finished(timer)
assert_timer_finished(timer_slow)
def test_timer_realtime():
"""Test real-time timer functionality."""
timer = TimeoutTimer(timeout=0.2)
assert timer.timeout_time is None
assert timer.elapsed is None
timer.enabled = True
assert timer.elapsed is None # no start time was set due to invalid state change
timer.enabled = False
assert_timer_stopped(timer)
# Basic test
timer.start()
assert_timer_running_realtime(timer)
# Stop-and-start test
timer.reset_and_stop()
assert_timer_stopped(timer)
timer.reset()
assert_timer_stopped(timer)
timer.start()
assert_timer_running_realtime(timer)
# Reset test
timer.reset()
assert_timer_running_realtime(timer)
timer.reset()
assert_timer_running_realtime(timer)
# Start test
timer.start(timeout=0.1)
assert_timer_running_realtime(timer)
timer.reset()
assert_timer_running_realtime(timer)
timer.start()
assert_timer_running_realtime(timer)
# Externally-clocked mode-switching test
timer.clock.reset(0.0)
timer.start(timeout=0.2)
timer.clock.update(0.1)
assert_timer_halfway(timer)
timer.clock.update(0.2)
assert_timer_finished(timer)