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args test

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This commit is contained in:
Alexander 2019-12-05 03:24:38 +03:00
parent b23625172f
commit 5838d77c0e
2 changed files with 24 additions and 1 deletions
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23
Tests/test_image_reduce.py
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@ -32,6 +32,29 @@ class TestImageReduce(PillowTestCase):
with self.assertRaises(ValueError):
im.reduce((0, 10))
def test_args_box(self):
im = Image.new("L", (10, 10))
self.assertEqual((5, 5), im.reduce(2, (0, 0, 10, 10)).size)
self.assertEqual((1, 1), im.reduce(2, (5, 5, 6, 6)).size)
with self.assertRaises(TypeError):
im.reduce(2, "stri")
with self.assertRaises(TypeError):
im.reduce(2, 2)
with self.assertRaises(ValueError):
im.reduce(2, (0, 0, 11, 10))
with self.assertRaises(ValueError):
im.reduce(2, (0, 0, 10, 11))
with self.assertRaises(ValueError):
im.reduce(2, (-1, 0, 10, 10))
with self.assertRaises(ValueError):
im.reduce(2, (0, -1, 10, 10))
with self.assertRaises(ValueError):
im.reduce(2, (0, 5, 10, 5))
with self.assertRaises(ValueError):
im.reduce(2, (5, 0, 5, 10))
def test_unsupported_modes(self):
im = Image.new("P", (10, 10))
with self.assertRaises(ValueError):

2
src/_imaging.c
View File

@ -1858,7 +1858,7 @@ _reduce(ImagingObject* self, PyObject* args)
return ImagingError_ValueError("box can't exceed original image size");
}
if (box[2] < box[0] || box[3] < box[1]) {
if (box[2] <= box[0] || box[3] <= box[1]) {
return ImagingError_ValueError("box can't be empty");
}