test_imageenhance.py

from tester import *

from PIL import Image
from PIL import ImageEnhance

def test_sanity():

    # FIXME: assert_image
    assert_no_exception(lambda: ImageEnhance.Color(lena()).enhance(0.5))
    assert_no_exception(lambda: ImageEnhance.Contrast(lena()).enhance(0.5))
    assert_no_exception(lambda: ImageEnhance.Brightness(lena()).enhance(0.5))
    assert_no_exception(lambda: ImageEnhance.Sharpness(lena()).enhance(0.5))

def test_crash():

    # crashes on small images
    im = Image.new("RGB", (1, 1))
    assert_no_exception(lambda: ImageEnhance.Sharpness(im).enhance(0.5))