def test_is_outwide_img_finds_inside1():
    ans = chop.is_outside_img(30, 40, img_size=[100, 100], size=20)
    assert ans is False
def test_is_outside_img_finds_outside4():
    ans = chop.is_outside_img(50, 0, img_size=[100, 100], size=10)
    assert ans is True
def test_is_outside_img_finds_inside0():
    # example 10 by 10 sub-array in the middle of a 100 by 100 parent array
    ans = chop.is_outside_img(50, 50, img_size=[100, 100], size=10)
    assert ans is False