def METHOD_NAME(self):
    content = '<img srcset="%s 1x">'
    url = "imagesmall.jpg"
    self._test_one_link(content % url, url)
    content = '<img srcset="imagesmall.jpg 1x,">'
    url = "imagesmall.jpg"
    self._test_one_link(content, url)
    content = '<img srcset="data:image/vnd.microsoft.icon,000001000200">'
    url = "data:image/vnd.microsoft.icon,000001000200"
    self._test_one_link(content, url)