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