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| author | Stefan Krah <skrah@bytereef.org> | 2015-02-01 13:53:54 (GMT) |
|---|---|---|
| committer | Stefan Krah <skrah@bytereef.org> | 2015-02-01 13:53:54 (GMT) |
| commit | 363af44a4abff02ece61e456d55824f298448992 (patch) | |
| tree | 1ecc31d3808152ca2f09ded5594cb715dc32a4c2 /Lib | |
| parent | a5e1dbef146b9d1aece4e3def828d2b216a07e41 (diff) | |
| download | cpython-363af44a4abff02ece61e456d55824f298448992.zip cpython-363af44a4abff02ece61e456d55824f298448992.tar.gz cpython-363af44a4abff02ece61e456d55824f298448992.tar.bz2 | |
Issue #22445: PyBuffer_IsContiguous() now implements precise contiguity
tests, compatible with NumPy's NPY_RELAXED_STRIDES_CHECKING compilation
flag. Previously the function reported false negatives for corner cases.
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_buffer.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Lib/test/test_buffer.py b/Lib/test/test_buffer.py index 1cdc771..0976fa9 100644 --- a/Lib/test/test_buffer.py +++ b/Lib/test/test_buffer.py @@ -1007,6 +1007,7 @@ class TestBufferProtocol(unittest.TestCase): # shape, strides, offset structure = ( ([], [], 0), + ([1,3,1], [], 0), ([12], [], 0), ([12], [-1], 11), ([6], [2], 0), @@ -1078,6 +1079,18 @@ class TestBufferProtocol(unittest.TestCase): self.assertRaises(BufferError, ndarray, ex, getbuf=PyBUF_ANY_CONTIGUOUS) nd = ndarray(ex, getbuf=PyBUF_SIMPLE) + # Issue #22445: New precise contiguity definition. + for shape in [1,12,1], [7,0,7]: + for order in 0, ND_FORTRAN: + ex = ndarray(items, shape=shape, flags=order|ND_WRITABLE) + self.assertTrue(is_contiguous(ex, 'F')) + self.assertTrue(is_contiguous(ex, 'C')) + + for flags in requests: + nd = ndarray(ex, getbuf=flags) + self.assertTrue(is_contiguous(nd, 'F')) + self.assertTrue(is_contiguous(nd, 'C')) + def test_ndarray_exceptions(self): nd = ndarray([9], [1]) ndm = ndarray([9], [1], flags=ND_VAREXPORT) |