def test_meminfo_refct_1(self):
d = Dummy()
self.assertEqual(Dummy.alive, 1)
addr = 0xdeadcafe # some made up location
mi = rtsys.meminfo_new(addr, d)
del d
self.assertEqual(Dummy.alive, 1)
mi.acquire()
self.assertEqual(Dummy.alive, 1)
mi.release()
del mi
self.assertEqual(Dummy.alive, 0)
def test_meminfo_refct_1(self):
d = Dummy()
self.assertEqual(Dummy.alive, 1)
addr = 0xdeadcafe # some made up location
mi = rtsys.meminfo_new(addr, d)
del d
self.assertEqual(Dummy.alive, 1)
mi.acquire()
self.assertEqual(Dummy.alive, 1)
mi.release()
del mi
self.assertEqual(Dummy.alive, 0)
def test_meminfo_refct_2(self):
d = Dummy()
self.assertEqual(Dummy.alive, 1)
addr = 0xdeadcafe # some made up location
mi = rtsys.meminfo_new(addr, d)
self.assertEqual(mi.refcount, 1)
del d
self.assertEqual(Dummy.alive, 1)
for ct in range(100):
mi.acquire()
self.assertEqual(mi.refcount, 1 + 100)
self.assertEqual(Dummy.alive, 1)
for _ in range(100):
mi.release()
self.assertEqual(mi.refcount, 1)
del mi
self.assertEqual(Dummy.alive, 0)
def test_meminfo_refct_2(self):
d = Dummy()
self.assertEqual(Dummy.alive, 1)
addr = 0xdeadcafe # some made up location
mi = rtsys.meminfo_new(addr, d)
self.assertEqual(mi.refcount, 1)
del d
self.assertEqual(Dummy.alive, 1)
for ct in range(100):
mi.acquire()
self.assertEqual(mi.refcount, 1 + 100)
self.assertEqual(Dummy.alive, 1)
for _ in range(100):
mi.release()
self.assertEqual(mi.refcount, 1)
del mi
self.assertEqual(Dummy.alive, 0)
def test_defer_dtor(self):
d = Dummy()
self.assertEqual(Dummy.alive, 1)
addr = 0xdeadcafe # some made up location
mi = rtsys.meminfo_new(addr, d)
# Set defer flag
mi.defer = True
del d
self.assertEqual(Dummy.alive, 1)
mi.acquire()
self.assertEqual(Dummy.alive, 1)
mi.release()
del mi
# mi refct is zero but not yet removed due to deferring
self.assertEqual(Dummy.alive, 1)
rtsys.process_defer_dtor()
self.assertEqual(Dummy.alive, 0)
def test_defer_dtor(self):
d = Dummy()
self.assertEqual(Dummy.alive, 1)
addr = 0xdeadcafe # some made up location
mi = rtsys.meminfo_new(addr, d)
# Set defer flag
mi.defer = True
del d
self.assertEqual(Dummy.alive, 1)
mi.acquire()
self.assertEqual(Dummy.alive, 1)
mi.release()
del mi
# mi refct is zero but not yet removed due to deferring
self.assertEqual(Dummy.alive, 1)
rtsys.process_defer_dtor()
self.assertEqual(Dummy.alive, 0)
def test_fake_memoryview(self):
d = Dummy()
self.assertEqual(Dummy.alive, 1)
addr = 0xdeadcafe # some made up location
mi = rtsys.meminfo_new(addr, d)
mview = memoryview(mi)
self.assertEqual(addr, mi.data)
self.assertFalse(mview.readonly)
self.assertIs(mi, mview.obj)
self.assertTrue(mview.c_contiguous)
self.assertEqual(mview.itemsize, 1)
self.assertEqual(mview.ndim, 1)
del d
del mi
self.assertEqual(Dummy.alive, 1)
del mview
self.assertEqual(Dummy.alive, 0)
def test_fake_memoryview(self):
d = Dummy()
self.assertEqual(Dummy.alive, 1)
addr = 0xdeadcafe # some made up location
mi = rtsys.meminfo_new(addr, d)
mview = memoryview(mi)
self.assertEqual(addr, mi.data)
self.assertFalse(mview.readonly)
self.assertIs(mi, mview.obj)
self.assertTrue(mview.c_contiguous)
self.assertEqual(mview.itemsize, 1)
self.assertEqual(mview.ndim, 1)
del d
del mi
self.assertEqual(Dummy.alive, 1)
del mview
self.assertEqual(Dummy.alive, 0)
