'motions: lowercase mode is alpha, digit and _, uppercase is delim by spaces
w/W: forward short/long word'

def test_motion_word(self):

    r = ViModeTest()
    r._set_line('abc_123        def--456.789        x')
    r.input('Escape')
    r.input('"0"')
    r.input('"w"')
    self.assertEqual(9, r.line_cursor)
    r.input('"w"')
    self.assertEqual(12, r.line_cursor)
    r.input('"w"')
    self.assertEqual(14, r.line_cursor)
    r.input('"W"')
    self.assertEqual(23, r.line_cursor)
