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if __name__ == '__main__':
import sys
import os
pkg_dir = os.path.split(os.path.abspath(__file__))[0]
parent_dir, pkg_name = os.path.split(pkg_dir)
is_pygame_pkg = (pkg_name == 'tests' and
os.path.split(parent_dir)[1] == 'pygame')
if not is_pygame_pkg:
sys.path.insert(0, parent_dir)
else:
is_pygame_pkg = __name__.startswith('pygame.tests.')
import unittest
import pygame
import sys
import platform
IS_PYPY = 'PyPy' == platform.python_implementation()
if not IS_PYPY: #TODO: pypy skip known failure.
class SurfaceLockTest (unittest.TestCase):
def test_lock (self):
sf = pygame.Surface ((5, 5))
sf.lock ()
self.assertEquals (sf.get_locked (), True)
self.assertEquals (sf.get_locks (), (sf,))
sf.lock ()
self.assertEquals (sf.get_locked (), True)
self.assertEquals (sf.get_locks (), (sf, sf))
sf.unlock ()
self.assertEquals (sf.get_locked (), True)
self.assertEquals (sf.get_locks (), (sf,))
sf.unlock ()
self.assertEquals (sf.get_locked (), False)
self.assertEquals (sf.get_locks (), ())
def test_subsurface_lock (self):
sf = pygame.Surface ((5, 5))
subsf = sf.subsurface ((1, 1, 2, 2))
sf2 = pygame.Surface ((5, 5))
# Simple blits, nothing should happen here.
sf2.blit (subsf, (0, 0))
sf2.blit (sf, (0, 0))
# Test blitting on self:
self.assertRaises (pygame.error, sf.blit, subsf, (0, 0))
#self.assertRaises (pygame.error, subsf.blit, sf, (0, 0))
# ^ Fails although it should not in my opinion. If I cannot
# blit the subsurface to the surface, it should not be allowed
# the other way around as well.
# Test additional locks.
sf.lock ()
sf2.blit (subsf, (0, 0))
self.assertRaises (pygame.error, sf2.blit, sf, (0, 0))
subsf.lock ()
self.assertRaises (pygame.error, sf2.blit, subsf, (0, 0))
self.assertRaises (pygame.error, sf2.blit, sf, (0, 0))
# sf and subsf are now explicitly locked. Unlock sf, so we can
# (assume) to blit it.
# It will fail though as the subsurface still has a lock around,
# which is okay and correct behaviour.
sf.unlock ()
self.assertRaises (pygame.error, sf2.blit, subsf, (0, 0))
self.assertRaises (pygame.error, sf2.blit, sf, (0, 0))
# Run a second unlock on the surface. This should ideally have
# no effect as the subsurface is the locking reason!
sf.unlock ()
self.assertRaises (pygame.error, sf2.blit, sf, (0, 0))
self.assertRaises (pygame.error, sf2.blit, subsf, (0, 0))
subsf.unlock ()
sf.lock ()
self.assertEquals (sf.get_locked (), True)
self.assertEquals (sf.get_locks (), (sf,))
self.assertEquals (subsf.get_locked (), False)
self.assertEquals (subsf.get_locks (), ())
subsf.lock ()
self.assertEquals (sf.get_locked (), True)
self.assertEquals (sf.get_locks (), (sf, subsf))
self.assertEquals (subsf.get_locked (), True)
self.assertEquals (subsf.get_locks (), (subsf,))
sf.unlock ()
self.assertEquals (sf.get_locked (), True)
self.assertEquals (sf.get_locks (), (subsf,))
self.assertEquals (subsf.get_locked (), True)
self.assertEquals (subsf.get_locks (), (subsf,))
subsf.unlock ()
self.assertEquals (sf.get_locked (), False)
self.assertEquals (sf.get_locks (), ())
self.assertEquals (subsf.get_locked (), False)
self.assertEquals (subsf.get_locks (), ())
subsf.lock ()
self.assertEquals (sf.get_locked (), True)
self.assertEquals (sf.get_locks (), (subsf,))
self.assertEquals (subsf.get_locked (), True)
self.assertEquals (subsf.get_locks (), (subsf,))
subsf.lock ()
self.assertEquals (sf.get_locked (), True)
self.assertEquals (sf.get_locks (), (subsf, subsf))
self.assertEquals (subsf.get_locked (), True)
self.assertEquals (subsf.get_locks (), (subsf, subsf))
def test_pxarray_ref (self):
sf = pygame.Surface ((5, 5))
ar = pygame.PixelArray (sf)
ar2 = pygame.PixelArray (sf)
self.assertEquals (sf.get_locked (), True)
self.assertEquals (sf.get_locks (), (ar, ar2))
del ar
self.assertEquals (sf.get_locked (), True)
self.assertEquals (sf.get_locks (), (ar2,))
ar = ar2[:]
self.assertEquals (sf.get_locked (), True)
self.assertEquals (sf.get_locks (), (ar2,))
del ar
self.assertEquals (sf.get_locked (), True)
self.assertEquals (len (sf.get_locks ()), 1)
def test_buffer (self):
sf = pygame.Surface ((5, 5))
buf = sf.get_buffer ()
self.assertEquals (sf.get_locked (), True)
self.assertEquals (sf.get_locks (), (buf,))
sf.unlock ()
self.assertEquals (sf.get_locked (), True)
self.assertEquals (sf.get_locks (), (buf,))
del buf
self.assertEquals (sf.get_locked (), False)
self.assertEquals (sf.get_locks (), ())
if __name__ == '__main__':
unittest.main()
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