......................
----------------------------------------------------------------------
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_SingleQuote span_id:0 val:'\'')
[(332, 'a'), (333, '..'), (332, 'z')]
[(331, '100'), (333, '..'), (331, '300')]
[(331, '-300'), (333, '..'), (331, '-100'), (333, '..'), (331, '1')]
[(331, '1'), (334, '.'), (331, '3')]
[(332, 'a'), (332, 'a')]
[(169, 'newline '), (160, '\\n'), (169, ' NUL '), (160, '\\0'), (169, ' octal '), (164, '\\0377'), (169, ' hex '), (162, '\\x00')]
[(169, 'unicode '), (165, '\\u0065'), (169, ' '), (166, '\\U00000065')]
[(50, '\\'), (169, 'd '), (160, '\\e'), (169, ' '), (160, '\\f'), (169, ' '), (50, '\\'), (169, 'g')]
[(95, '['), (95, '!'), (95, 'abc]')]
[(95, '${'), (95, '!'), (95, 'indirect}')]
[(95, '$'), (95, '!'), (95, 'x')]
[(95, '!'), (95, '(foo|bar)')]
[(95, 'echo hi')]
[(95, 'echo '), (92, '!!'), (95, ' '), (92, '!*'), (95, ' '), (92, '!^'), (95, ' '), (92, '!$')]
[(95, 'echo '), (95, '\\!'), (95, '!')]
[(95, 'echo '), (93, '!3'), (95, '...')]
[(95, 'echo '), (93, '!-5'), (95, '...')]
[(95, 'echo '), (94, '!x/foo.py '), (95, 'bar')]
---
[(95, 'echo '), (95, "'!!'"), (95, ' $'), (95, "'!!'"), (95, ' ')]
[(95, 'echo '), (95, "'!! ")]
[(95, 'echo '), (95, "\\'"), (95, ' '), (92, '!!'), (95, ' ')]
[(329, 'foo')]
[(325, '\\h'), (329, ' '), (325, '\\w'), (329, ' '), (325, '\\$')]
P '[^\\\\\\0]+'