92 lines
3 KiB
Python
92 lines
3 KiB
Python
import sys
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import time
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import unittest
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from .. import SDL_Init, SDL_Quit, SDL_QuitSubSystem, SDL_INIT_TIMER
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from .. import timer
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if sys.version_info[0] >= 3:
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long = int
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calls = []
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class SDLTimerTest(unittest.TestCase):
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__tags__ = ["sdl"]
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def setUp(self):
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SDL_Init(SDL_INIT_TIMER)
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def tearDown(self):
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SDL_QuitSubSystem(SDL_INIT_TIMER)
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SDL_Quit()
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def test_SDL_GetTicks(self):
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ticks = timer.SDL_GetTicks()
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time.sleep(1)
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ticks2 = timer.SDL_GetTicks()
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time.sleep(1)
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ticks3 = timer.SDL_GetTicks()
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self.assertGreater(ticks3, ticks2)
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self.assertGreater(ticks2, ticks)
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# Add some latency, since the final numbers can heavily depend
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# on the system's context switching behaviour, load, etc., etc.,
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# etc.
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# self.assertTrue(abs(ticks2 - 1000 - ticks) <= 3,
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# "1: %f is not <= 3 for %f and %f" % (abs(ticks2 - 1000 - ticks),
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# ticks2, ticks))
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# self.assertTrue(abs(ticks3 - 1000 - ticks2) <= 3,
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# "2: %f is not <= 3 for %f and %f" % (abs(ticks3 - 1000 - ticks2),
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# ticks3, ticks2))
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# self.assertTrue(abs(ticks3 - 2000 - ticks) <= 3,
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# "3: %f is not <= 3 for %f and %f" % (abs(ticks3 - 2000 - ticks2),
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# ticks3, ticks))
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def test_SDL_GetPerformanceCounter(self):
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perf = timer.SDL_GetPerformanceCounter()
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self.assertTrue(type(perf) in (int, long))
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def test_SDL_GetPerformanceFrequency(self):
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freq = timer.SDL_GetPerformanceFrequency()
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self.assertTrue(type(freq) in (int, long))
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@unittest.skip("precision problems")
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def test_SDL_Delay(self):
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for wait in range(5, 200, 5):
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start = time.time() * 1000
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timer.SDL_Delay(wait)
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end = time.time() * 1000
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sm = (end - start)
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self.assertTrue(abs(wait - sm) <= 3,
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"%f is not <= 3 for %f and %f" % (abs(wait - sm), wait, sm))
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@unittest.skipIf(hasattr(sys, "pypy_version_info"),
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"PyPy can't access other variables properly from a separate thread")
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def test_SDL_AddRemoveTimer(self):
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calls = []
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def timerfunc(interval, param):
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calls.append(param)
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return interval
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callback = timer.SDL_TimerCallback(timerfunc)
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timerid = timer.SDL_AddTimer(100, callback, "Test")
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start = timer.SDL_GetTicks()
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end = long(start)
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while (end - start) < 1100:
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# One second wait
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end = timer.SDL_GetTicks()
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# check for <=11, since it can happen that a last call is still
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# executing
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self.assertLessEqual(len(calls), 11)
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timer.SDL_RemoveTimer(timerid)
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self.assertLessEqual(len(calls), 11)
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timer.SDL_RemoveTimer(timerid)
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# Wait a bit, so the last executing handlers can finish
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timer.SDL_Delay(10)
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if __name__ == '__main__':
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sys.exit(unittest.main())
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