......................
----------------------------------------------------------------------
Ran 22 tests in 0.004s

OK
7

--- echo \" \\ hi` ---

(Token id:Id.Backtick_Other span_id:0 val:'echo ')
(Token id:Id.Backtick_Quoted span_id:1 val:'\\"')
(Token id:Id.Backtick_Other span_id:2 val:' ')
(Token id:Id.Backtick_Quoted span_id:3 val:'\\\\')
(Token id:Id.Backtick_Other span_id:4 val:' hi')
(Token id:Id.Backtick_Right span_id:5 val:'`')
(Token id:Id.Eof_Real span_id:6 val:'')

--- ` ---

(Token id:Id.Backtick_Right span_id:0 val:'`')
(Token id:Id.Eof_Real span_id:1 val:'')

---  ---

(Token id:Id.Eof_Real span_id:0 val:'')
(Token id:Id.Char_Literals span_id:0 val:'foo bar')
(Token id:Id.Char_OneChar span_id:1 val:'\\n')

--- @[ ] ---

(Token id:Id.Expr_Reserved span_id:0 val:'@[')
(Token id:Id.Ignored_Space span_id:1 val:_)
(Token id:Id.Op_RBracket span_id:2 val:_)
(Token id:Id.Eof_Real span_id:3 val:'')

--- hello %s\n ---

(Token id:Id.Char_Literals span_id:0 val:'hello ')
(Token id:Id.Format_Percent span_id:1 val:'%')
(Token id:Id.Char_Literals span_id:2 val:s)
(Token id:Id.Char_OneChar span_id:3 val:'\\n')
(Token id:Id.Eof_Real span_id:4 val:'')

--- %% percent %%\377 ---

(Token id:Id.Format_EscapedPercent span_id:0 val:'%%')
(Token id:Id.Char_Literals span_id:1 val:' percent ')
(Token id:Id.Format_EscapedPercent span_id:2 val:'%%')
(Token id:Id.Char_Octal3 span_id:3 val:'\\377')
(Token id:Id.Eof_Real span_id:4 val:'')

--- -3.3f ---

(Token id:Id.Format_Flag span_id:0 val:-)
(Token id:Id.Format_Num span_id:1 val:3)
(Token id:Id.Format_Dot span_id:2 val:.)
(Token id:Id.Format_Num span_id:3 val:3)
(Token id:Id.Format_Type span_id:4 val:f)
(Token id:Id.Eof_Real span_id:5 val:'')

--- 03d ---

(Token id:Id.Format_Zero span_id:0 val:0)
(Token id:Id.Format_Num span_id:1 val:3)
(Token id:Id.Format_Type span_id:2 val:d)
(Token id:Id.Eof_Real span_id:3 val:'')
(Token id:Id.Left_SingleQuoteRaw span_id:0 val:'\'')
[(309, 'a'), (310, '..'), (309, 'z')]
[(308, '100'), (310, '..'), (308, '300')]
[(308, '-300'), (310, '..'), (308, '-100'), (310, '..'), (308, '1')]
[(308, '1'), (311, '.'), (308, '3')]
[(309, 'a'), (309, 'a')]
[(155, 'newline '), (147, '\\n'), (155, ' NUL '), (147, '\\0'), (155, ' octal '), (151, '\\0377'), (155, ' hex '), (149, '\\x00')]
[(155, 'unicode '), (152, '\\u0065'), (155, ' '), (153, '\\U00000065')]
[(50, '\\'), (155, 'd '), (147, '\\e'), (155, ' '), (147, '\\f'), (155, ' '), (50, '\\'), (155, 'g')]
[(90, '['), (90, '!'), (90, 'abc]')]
[(90, '${'), (90, '!'), (90, 'indirect}')]
[(90, '$'), (90, '!'), (90, 'x')]
[(90, '!'), (90, '(foo|bar)')]
[(90, 'echo hi')]
[(90, 'echo '), (87, '!!'), (90, ' '), (87, '!*'), (90, ' '), (87, '!^'), (90, ' '), (87, '!$')]
[(90, 'echo '), (90, '\\!'), (90, '!')]
[(90, 'echo '), (88, '!3'), (90, '...')]
[(90, 'echo '), (88, '!-5'), (90, '...')]
[(90, 'echo '), (89, '!x/foo.py '), (90, 'bar')]
---
[(90, 'echo '), (90, "'!!'"), (90, ' $'), (90, "'!!'"), (90, ' ')]
[(90, 'echo '), (90, "'!! ")]
[(90, 'echo '), (90, "\\'"), (90, ' '), (87, '!!'), (90, ' ')]
[(306, 'foo')]
[(302, '\\h'), (306, ' '), (302, '\\w'), (306, ' '), (302, '\\$')]
P '[^\\\\\\0]+'