......................
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Ran 22 tests in 0.006s

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:'\'')
[(330, 'a'), (331, '..'), (330, 'z')]
[(329, '100'), (331, '..'), (329, '300')]
[(329, '-300'), (331, '..'), (329, '-100'), (331, '..'), (329, '1')]
[(329, '1'), (332, '.'), (329, '3')]
[(330, 'a'), (330, 'a')]
[(168, 'newline '), (159, '\\n'), (168, ' NUL '), (159, '\\0'), (168, ' octal '), (163, '\\0377'), (168, ' hex '), (161, '\\x00')]
[(168, 'unicode '), (164, '\\u0065'), (168, ' '), (165, '\\U00000065')]
[(50, '\\'), (168, 'd '), (159, '\\e'), (168, ' '), (159, '\\f'), (168, ' '), (50, '\\'), (168, 'g')]
[(94, '['), (94, '!'), (94, 'abc]')]
[(94, '${'), (94, '!'), (94, 'indirect}')]
[(94, '$'), (94, '!'), (94, 'x')]
[(94, '!'), (94, '(foo|bar)')]
[(94, 'echo hi')]
[(94, 'echo '), (91, '!!'), (94, ' '), (91, '!*'), (94, ' '), (91, '!^'), (94, ' '), (91, '!$')]
[(94, 'echo '), (94, '\\!'), (94, '!')]
[(94, 'echo '), (92, '!3'), (94, '...')]
[(94, 'echo '), (92, '!-5'), (94, '...')]
[(94, 'echo '), (93, '!x/foo.py '), (94, 'bar')]
---
[(94, 'echo '), (94, "'!!'"), (94, ' $'), (94, "'!!'"), (94, ' ')]
[(94, 'echo '), (94, "'!! ")]
[(94, 'echo '), (94, "\\'"), (94, ' '), (91, '!!'), (94, ' ')]
[(327, 'foo')]
[(323, '\\h'), (327, ' '), (323, '\\w'), (327, ' '), (323, '\\$')]
P '[^\\\\\\0]+'