Pillow/Tests/test_image_quantize.py
2014-03-25 21:42:40 -07:00

28 lines
555 B
Python

from tester import *
from PIL import Image
def test_sanity():
im = lena()
im = im.quantize()
assert_image(im, "P", im.size)
im = lena()
im = im.quantize(palette=lena("P"))
assert_image(im, "P", im.size)
def test_octree_quantize():
im = lena()
im = im.quantize(100, Image.FASTOCTREE)
assert_image(im, "P", im.size)
assert len(im.getcolors()) == 100
def test_rgba_quantize():
im = lena('RGBA')
assert_no_exception(lambda: im.quantize())
assert_exception(Exception, lambda: im.quantize(method=0))