......................
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Ran 22 tests in 0.003s

OK
7

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

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

--- ` ---

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

---  ---

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

--- @[ ] ---

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

--- hello %s\n ---

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

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

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

--- -3.3f ---

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

--- 03d ---

(Token id:Id.Format_Flag val:0 span_id:0)
(Token id:Id.Format_Num val:3 span_id:1)
(Token id:Id.Format_Type val:d span_id:2)
(Token id:Id.Eof_Real val:'' span_id:3)
(Token id:Id.Left_SingleQuoteRaw val:"'" span_id:0)
[(294, 'a'), (295, '..'), (294, 'z')]
[(293, '100'), (295, '..'), (293, '300')]
[(293, '-300'), (295, '..'), (293, '-100'), (295, '..'), (293, '1')]
[(293, '1'), (296, '.'), (293, '3')]
[(294, 'a'), (294, 'a')]
[(146, 'newline '), (139, '\\n'), (146, ' NUL '), (139, '\\0'), (146, ' octal '), (143, '\\0377'), (146, ' hex '), (141, '\\x00')]
[(146, 'unicode '), (144, '\\u0065'), (146, ' '), (145, '\\U00000065')]
[(147, '\\'), (146, 'd '), (139, '\\e'), (146, ' '), (139, '\\f'), (146, ' '), (147, '\\'), (146, 'g')]
[(86, '['), (86, '!'), (86, 'abc]')]
[(86, '${'), (86, '!'), (86, 'indirect}')]
[(86, '$'), (86, '!'), (86, 'x')]
[(86, '!'), (86, '(foo|bar)')]
[(86, 'echo hi')]
[(86, 'echo '), (83, '!!'), (86, ' '), (83, '!*'), (86, ' '), (83, '!^'), (86, ' '), (83, '!$')]
[(86, 'echo '), (86, '\\!'), (86, '!')]
[(86, 'echo '), (84, '!3'), (86, '...')]
[(86, 'echo '), (84, '!-5'), (86, '...')]
[(86, 'echo '), (85, '!x/foo.py '), (86, 'bar')]
---
[(86, 'echo '), (86, "'!!'"), (86, ' $'), (86, "'!!'"), (86, ' ')]
[(86, 'echo '), (86, "'!! ")]
[(86, 'echo '), (86, "\\'"), (86, ' '), (83, '!!'), (86, ' ')]
[(291, 'foo')]
[(287, '\\h'), (291, ' '), (287, '\\w'), (291, ' '), (287, '\\$')]
P '[^\\\\\\0]+'