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Issue #23629: Fix the default __sizeof__ implementation for variable-sized objects.

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This commit is contained in:
Antoine Pitrou 2015-03-10 22:32:00 +01:00
parent ebb8c2d528
commit a654510150
6 changed files with 22 additions and 29 deletions
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15
Lib/test/test_buffer.py
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@ -2449,6 +2449,21 @@ class TestBufferProtocol(unittest.TestCase):
self.assertEqual(m.tobytes(), b'')
self.assertEqual(m.tolist(), [])
check_sizeof = support.check_sizeof
def test_memoryview_sizeof(self):
check = self.check_sizeof
vsize = support.calcvobjsize
base_struct = 'Pnin 2P2n2i5P 3cP'
per_dim = '3n'
items = list(range(8))
check(memoryview(b''), vsize(base_struct + 1 * per_dim))
a = ndarray(items, shape=[2, 4], format="b")
check(memoryview(a), vsize(base_struct + 2 * per_dim))
a = ndarray(items, shape=[2, 2, 2], format="b")
check(memoryview(a), vsize(base_struct + 3 * per_dim))
def test_memoryview_struct_module(self):
class INT(object):

5
Lib/test/test_sys.py
View file

@ -778,6 +778,9 @@ class SizeofTest(unittest.TestCase):
check(x, vsize('n2Pi') + x.__alloc__())
# bytearray_iterator
check(iter(bytearray()), size('nP'))
# bytes
check(b'', vsize('n') + 1)
check(b'x' * 10, vsize('n') + 11)
# cell
def get_cell():
x = 42
@ -897,8 +900,6 @@ class SizeofTest(unittest.TestCase):
check(int(PyLong_BASE), vsize('') + 2*self.longdigit)
check(int(PyLong_BASE**2-1), vsize('') + 2*self.longdigit)
check(int(PyLong_BASE**2), vsize('') + 3*self.longdigit)
# memoryview
check(memoryview(b''), size('Pnin 2P2n2i5P 3cPn'))
# module
check(unittest, size('PnPPP'))
# None