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tests for 32bit modes

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This commit is contained in:
homm 2016-05-05 11:53:43 +03:00
parent 9618ec98b8
commit e47002dec3
1 changed files with 25 additions and 5 deletions
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30
Tests/test_image_resample.py
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@ -152,12 +152,12 @@ class TestImagingCoreResampleAccuracy(PillowTestCase):
class CoreResampleConsistencyTest(PillowTestCase):
def test_8u(self):
im = Image.new('RGB', (512, 9), (0, 64, 255))
im = im.resize((9, 512), Image.LANCZOS)
r, g, b = im.split()
def make_case(self, mode, fill):
im = Image.new(mode, (512, 9), fill)
return (im.resize((9, 512), Image.LANCZOS), im.load()[0, 0])
for channel, color in [(r, 0), (g, 64), (b, 255)]:
def run_cases(self, cases):
for channel, color in cases:
px = channel.load()
for x in range(channel.size[0]):
for y in range(channel.size[1]):
@ -166,6 +166,26 @@ class CoreResampleConsistencyTest(PillowTestCase):
px[x, y], color, (x, y))
self.assertEqual(px[x, y], color, message)
def test_8u(self):
im, color = self.make_case('RGB', (0, 64, 255))
self.run_cases(zip(im.split(), color))
def test_32i(self):
self.run_cases([
self.make_case('I', 12),
self.make_case('I', 0x7fffffff),
self.make_case('I', -12),
self.make_case('I', -1 << 31),
])
def test_32f(self):
self.run_cases([
self.make_case('F', 1),
self.make_case('F', 3.40282306074e+38),
self.make_case('F', 1.175494e-38),
self.make_case('F', 1.192093e-07),
])
if __name__ == '__main__':
unittest.main()