Pillow/Tests/test_lib_image.py

33 lines
868 B
Python
Raw Normal View History

2020-01-27 14:46:52 +03:00
import pytest
from PIL import Image
2014-06-10 13:10:47 +04:00
2020-01-27 14:46:52 +03:00
def test_setmode():
im = Image.new("L", (1, 1), 255)
im.im.setmode("1")
assert im.im.getpixel((0, 0)) == 255
im.im.setmode("L")
assert im.im.getpixel((0, 0)) == 255
2014-06-10 13:10:47 +04:00
2020-01-27 14:46:52 +03:00
im = Image.new("1", (1, 1), 1)
im.im.setmode("L")
assert im.im.getpixel((0, 0)) == 255
im.im.setmode("1")
assert im.im.getpixel((0, 0)) == 255
2014-06-10 13:10:47 +04:00
2020-01-27 14:46:52 +03:00
im = Image.new("RGB", (1, 1), (1, 2, 3))
im.im.setmode("RGB")
assert im.im.getpixel((0, 0)) == (1, 2, 3)
im.im.setmode("RGBA")
assert im.im.getpixel((0, 0)) == (1, 2, 3, 255)
im.im.setmode("RGBX")
assert im.im.getpixel((0, 0)) == (1, 2, 3, 255)
im.im.setmode("RGB")
assert im.im.getpixel((0, 0)) == (1, 2, 3)
2014-06-10 13:10:47 +04:00
2020-01-27 14:46:52 +03:00
with pytest.raises(ValueError):
im.im.setmode("L")
with pytest.raises(ValueError):
im.im.setmode("RGBABCDE")