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FIX: array_view construction for empty arrays #5106

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Merged
merged 8 commits into from
Oct 2, 2015
Merged

FIX: array_view construction for empty arrays #5106

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e6b1745
Return error from array_view for numpy scalars
jkseppan Sep 20, 2015
724cb9b
Catch errors in the 1d branch of Py_affine_transform
jkseppan Sep 20, 2015
2f29bdf
Accept dimension mismatch for empty arrays
jkseppan Sep 20, 2015
c0e09d5
Assign m_arr = tmp in more cases
jkseppan Sep 21, 2015
536d175
Don't allow shape mismatches for empty arrays
jkseppan Sep 27, 2015
3965858
Add test
jkseppan Sep 27, 2015
2f5a633
Use atleast_3d instead of ensure_3d
jkseppan Sep 28, 2015
123deb5
Add a comment about _transforms
jkseppan Oct 1, 2015
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Add test
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@jkseppan
jkseppan committed Sep 27, 2015
commit 39658589d9bf352c05af9d9f05bf71fc17d10684
15 changes: 15 additions & 0 deletions lib/matplotlib/tests/test_transforms.py
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Original file line number Diff line number Diff line change
Expand Up @@ -561,6 +561,21 @@ def test_nonsingular():
assert_array_equal(out, zero_expansion)


def test_invalid_arguments():
t = mtrans.Affine2D()
# There are two different exceptions, since the wrong number of
# dimensions is caught when constructing an array_view, and that
# raises a ValueError, and a wrong shape with a possible number
# of dimensions is caught by our CALL_CPP macro, which always
# raises the less precise RuntimeError.
assert_raises(ValueError, t.transform, 1)
assert_raises(ValueError, t.transform, [[[1]]])
assert_raises(RuntimeError, t.transform, [])
assert_raises(RuntimeError, t.transform, [1])
assert_raises(RuntimeError, t.transform, [[1]])
assert_raises(RuntimeError, t.transform, [[1, 2, 3]])


if __name__ == '__main__':
import nose
nose.runmodule(argv=['-s', '--with-doctest'], exit=False)