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import sys
import time
import pytest
import sdl2
if sys.version_info[0] >= 3:
long = int
def test_SDL_TICKS_PASSED(with_sdl):
for A in (0, 9999, 0xFFFF0000, 0xFFFFFFFF):
assert sdl2.SDL_TICKS_PASSED(A, A)
for delta in (1, 100, 1000000, 0x7FFFFFFF):
assert sdl2.SDL_TICKS_PASSED(A, (A - delta) & 0xFFFFFFFF)
assert not sdl2.SDL_TICKS_PASSED(A, (A + delta) & 0xFFFFFFFF)
def test_SDL_GetTicks(with_sdl):
ticks = sdl2.SDL_GetTicks()
time.sleep(0.05)
ticks2 = sdl2.SDL_GetTicks()
time.sleep(0.05)
ticks3 = sdl2.SDL_GetTicks()
assert ticks2 > ticks
assert ticks3 > ticks2
@pytest.mark.skipif(sdl2.dll.version < 2018, reason="not available")
def test_SDL_GetTicks64(with_sdl):
ticks = sdl2.SDL_GetTicks64()
time.sleep(0.05)
ticks2 = sdl2.SDL_GetTicks64()
time.sleep(0.05)
ticks3 = sdl2.SDL_GetTicks64()
assert ticks2 > ticks
assert ticks3 > ticks2
def test_SDL_GetPerformanceCounter(with_sdl):
perf = sdl2.SDL_GetPerformanceCounter()
assert type(perf) in (int, long)
assert perf > 0
def test_SDL_GetPerformanceFrequency(with_sdl):
freq = sdl2.SDL_GetPerformanceFrequency()
assert type(freq) in (int, long)
assert freq > 0
@pytest.mark.xfail(reason="Unreliable on CI runners")
def test_SDL_Delay(with_sdl):
for wait in [5, 10, 50, 100]:
start = sdl2.SDL_GetTicks()
sdl2.SDL_Delay(wait)
end = sdl2.SDL_GetTicks()
actual = (end - start)
assert (wait - 2) <= actual <= (wait + 2)
@pytest.mark.skipif(hasattr(sys, "pypy_version_info"),
reason="PyPy can't access other vars properly from a separate thread")
@pytest.mark.xfail(reason="Unreliable on CI runners")
def test_SDL_AddRemoveTimer(with_sdl):
# Create a timer callback that adds a value to a Python list
calls = []
def timerfunc(interval, param):
calls.append(param)
return interval
callback = sdl2.SDL_TimerCallback(timerfunc)
timerid = sdl2.SDL_AddTimer(50, callback, "Test")
# Run a loop for 300 ms and make sure the callback runs 5 or 6 times
start = sdl2.SDL_GetTicks()
while (sdl2.SDL_GetTicks() - start) <= 300:
sdl2.SDL_Delay(10)
assert len(calls) in [5, 6]
# Try removing the timer and make sure the callback doesn't run anymore
sdl2.SDL_RemoveTimer(timerid)
sdl2.SDL_Delay(10)
orig_calls = len(calls)
start = sdl2.SDL_GetTicks()
while (sdl2.SDL_GetTicks() - start) <= 200:
sdl2.SDL_Delay(10)
assert len(calls) == orig_calls
# Wait a bit, so the last executing handlers can finish
sdl2.SDL_Delay(10)
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