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Added test for crop operation with no argument

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This commit is contained in:
Andrew Murray 2017-01-03 13:30:09 +11:00
parent 296fb5fe1d
commit c5265e2100
1 changed files with 11 additions and 8 deletions
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19
Tests/test_image_crop.py
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@ -7,9 +7,12 @@ class TestImageCrop(PillowTestCase):
def test_crop(self): def test_crop(self):
def crop(mode): def crop(mode):
out = hopper(mode).crop((50, 50, 100, 100)) im = hopper(mode)
self.assertEqual(out.mode, mode) self.assert_image_equal(im.crop(), im)
self.assertEqual(out.size, (50, 50))
cropped = im.crop((50, 50, 100, 100))
self.assertEqual(cropped.mode, mode)
self.assertEqual(cropped.size, (50, 50))
for mode in "1", "P", "L", "RGB", "I", "F": for mode in "1", "P", "L", "RGB", "I", "F":
crop(mode) crop(mode)
@ -70,23 +73,23 @@ class TestImageCrop(PillowTestCase):
#Image.crop crashes prepatch with an access violation #Image.crop crashes prepatch with an access violation
#apparently a use after free on windows, see #apparently a use after free on windows, see
#https://github.com/python-pillow/Pillow/issues/1077 #https://github.com/python-pillow/Pillow/issues/1077
test_img = 'Tests/images/bmp/g/pal8-0.bmp' test_img = 'Tests/images/bmp/g/pal8-0.bmp'
extents = (1,1,10,10) extents = (1,1,10,10)
#works prepatch #works prepatch
img = Image.open(test_img) img = Image.open(test_img)
img2 = img.crop(extents) img2 = img.crop(extents)
img2.load() img2.load()
# fail prepatch # fail prepatch
img = Image.open(test_img) img = Image.open(test_img)
img = img.crop(extents) img = img.crop(extents)
img.load() img.load()
def test_crop_zero(self): def test_crop_zero(self):
im = Image.new('RGB', (0, 0), 'white') im = Image.new('RGB', (0, 0), 'white')
cropped = im.crop((0, 0, 0, 0)) cropped = im.crop((0, 0, 0, 0))
self.assertEqual(cropped.size, (0, 0)) self.assertEqual(cropped.size, (0, 0))
@ -95,7 +98,7 @@ class TestImageCrop(PillowTestCase):
self.assertEqual(cropped.getdata()[0], (0, 0, 0)) self.assertEqual(cropped.getdata()[0], (0, 0, 0))
im = Image.new('RGB', (0, 0)) im = Image.new('RGB', (0, 0))
cropped = im.crop((10, 10, 20, 20)) cropped = im.crop((10, 10, 20, 20))
self.assertEqual(cropped.size, (10, 10)) self.assertEqual(cropped.size, (10, 10))
self.assertEqual(cropped.getdata()[2], (0, 0, 0)) self.assertEqual(cropped.getdata()[2], (0, 0, 0))