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Reorg+add test for #452

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wiredfool 2013-12-19 21:38:31 -08:00
parent 404b245d89
commit 598d97daff
1 changed files with 33 additions and 39 deletions
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64
Tests/test_image_getpixel.py
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@ -9,49 +9,43 @@ def color(mode):
else: else:
return tuple(range(1, bands+1)) return tuple(range(1, bands+1))
def test_pixel():
def pixel(mode):
def check(mode, c=None):
if not c:
c = color(mode) c = color(mode)
#check putpixel
im = Image.new(mode, (1, 1), None) im = Image.new(mode, (1, 1), None)
im.putpixel((0, 0), c) im.putpixel((0, 0), c)
return im.getpixel((0, 0)) assert_equal(im.getpixel((0, 0)), c,
"put/getpixel roundtrip failed for mode %s, color %s" %
(mode, c))
assert_equal(pixel("1"), 1) # check inital color
assert_equal(pixel("L"), 1) im = Image.new(mode, (1, 1), c)
assert_equal(pixel("LA"), (1, 2)) assert_equal(im.getpixel((0, 0)), c,
assert_equal(pixel("I"), 1) "initial color failed for mode %s, color %s " %
assert_equal(pixel("I;16"), 1) (mode, color))
assert_equal(pixel("I;16B"), 1)
assert_equal(pixel("F"), 1.0)
assert_equal(pixel("P"), 1)
assert_equal(pixel("PA"), (1, 2))
assert_equal(pixel("RGB"), (1, 2, 3))
assert_equal(pixel("RGBA"), (1, 2, 3, 4))
assert_equal(pixel("RGBX"), (1, 2, 3, 4))
assert_equal(pixel("CMYK"), (1, 2, 3, 4))
assert_equal(pixel("YCbCr"), (1, 2, 3))
def test_image(): def test_basic():
for mode in ("1", "L", "LA", "I", "I;16", "I;16B", "F",
"P", "PA", "RGB", "RGBA", "RGBX", "CMYK","YCbCr"):
check(mode)
def pixel(mode): def test_signedness():
im = Image.new(mode, (1, 1), color(mode)) # see https://github.com/python-imaging/Pillow/issues/452
return im.getpixel((0, 0)) # pixelaccess is using signed int* instead of uint*
for mode in ("I;16", "I;16B"):
check(mode, 2**15-1)
check(mode, 2**15)
check(mode, 2**15+1)
check(mode, 2**16-1)
assert_equal(pixel("1"), 1) check("I", 2**31-1)
assert_equal(pixel("L"), 1) check("I", 2**31)
assert_equal(pixel("LA"), (1, 2)) check("I", 2**31+1)
assert_equal(pixel("I"), 1) check("I", 2**32-1)
assert_equal(pixel("I;16"), 1)
assert_equal(pixel("I;16B"), 1)
assert_equal(pixel("F"), 1.0)
assert_equal(pixel("P"), 1)
assert_equal(pixel("PA"), (1, 2))
assert_equal(pixel("RGB"), (1, 2, 3))
assert_equal(pixel("RGBA"), (1, 2, 3, 4))
assert_equal(pixel("RGBX"), (1, 2, 3, 4))
assert_equal(pixel("CMYK"), (1, 2, 3, 4))
assert_equal(pixel("YCbCr"), (1, 2, 3))