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Update test/test_buffer from CPython 3.11.2 #4632

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Merged
merged 1 commit into from
Mar 5, 2023
Merged

Update test/test_buffer from CPython 3.11.2 #4632

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16 changes: 13 additions & 3 deletions Lib/test/test_buffer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,11 @@
except ImportError:
numpy_array = None

try:
import _testcapi
except ImportError:
_testcapi = None


SHORT_TEST = True

Expand Down Expand Up @@ -967,8 +972,6 @@ def check_memoryview(m, expected_readonly=readonly):
m.tobytes() # Releasing mm didn't release m

def verify_getbuf(self, orig_ex, ex, req, sliced=False):
def simple_fmt(ex):
return ex.format == '' or ex.format == 'B'
def match(req, flag):
return ((req&flag) == flag)

Expand Down Expand Up @@ -2526,7 +2529,7 @@ def f(): return 7
values = [INT(9), IDX(9),
2.2+3j, Decimal("-21.1"), 12.2, Fraction(5, 2),
[1,2,3], {4,5,6}, {7:8}, (), (9,),
True, False, None, NotImplemented,
True, False, None, Ellipsis,
b'a', b'abc', bytearray(b'a'), bytearray(b'abc'),
'a', 'abc', r'a', r'abc',
f, lambda x: x]
Expand Down Expand Up @@ -4419,6 +4422,13 @@ def test_issue_7385(self):
x = ndarray([1,2,3], shape=[3], flags=ND_GETBUF_FAIL)
self.assertRaises(BufferError, memoryview, x)

@support.cpython_only
def test_pybuffer_size_from_format(self):
# basic tests
for format in ('', 'ii', '3s'):
self.assertEqual(_testcapi.PyBuffer_SizeFromFormat(format),
struct.calcsize(format))


if __name__ == "__main__":
unittest.main()