Pillow/Tests/test_image_copy.py
2020-01-27 22:46:52 +11:00

42 lines
1.0 KiB
Python

import copy
from PIL import Image
from .helper import hopper
def test_copy():
croppedCoordinates = (10, 10, 20, 20)
croppedSize = (10, 10)
for mode in "1", "P", "L", "RGB", "I", "F":
# Internal copy method
im = hopper(mode)
out = im.copy()
assert out.mode == im.mode
assert out.size == im.size
# Python's copy method
im = hopper(mode)
out = copy.copy(im)
assert out.mode == im.mode
assert out.size == im.size
# Internal copy method on a cropped image
im = hopper(mode)
out = im.crop(croppedCoordinates).copy()
assert out.mode == im.mode
assert out.size == croppedSize
# Python's copy method on a cropped image
im = hopper(mode)
out = copy.copy(im.crop(croppedCoordinates))
assert out.mode == im.mode
assert out.size == croppedSize
def test_copy_zero():
im = Image.new("RGB", (0, 0))
out = im.copy()
assert out.mode == im.mode
assert out.size == im.size