59 lines
1.7 KiB
Scheme
59 lines
1.7 KiB
Scheme
; Test cases for unicode chars outside ASCII range
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; !!! These tests don't use sharp char expr, but the chars themselves.
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; See sharp-expr-unichar.scm for sharp char expr denoting unichars
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; outside ASCII range.
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; History: we avoid sharp char expr for unicode here
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; because of bug #9660.
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; Loosely speaking, ScriptFu was handling unichars,
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; but not sharp char expr for them.
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; Most test cases are for atoms that are type "char",
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; meaning a component of a string.
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; ScriptFu implementation uses a C type: gunichar,
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; which holds a UTF-8 encoding of any Unicode code point.)
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; A unichar is as many as four bytes, not always one byte.
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; This is NOT a test of the REPL: ScriptFu Console.
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; A REPL displays using obj2str,
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; or internal atom2str() which this doesn't test.
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; ScriptFu Console (the REPL) displays a "sharp char expression" to represent
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; all atoms of type char, e.g. #\a .
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; A "sharp hex char expression" also
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; represents a character, e.g. #\x32.
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; But the REPL does not display that representation.
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; conversion from number to character equal sharp char
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(assert `(equal? (integer->char 955)
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(string-ref "λ" 0)))
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; Unichar itself (a wide character) can be in the script
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; but is unbound
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(assert-error `(eval λ) "eval: unbound variable:")
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; Note the error message is currently omitting the errant symbol
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; Unichar in a string
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(assert (string=? (string (string-ref "λ" 0)) "λ"))
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; Omitted: a test of REPL
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; display unichar
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; > (display (string-ref "λ" 0))
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; λ#t
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; Quoted unichar
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; These test that the script can contain unichars
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; versus test that a script can process unichars.
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; quoted unichar is not type char
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(assert `(not (char? 'λ)))
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; quoted unichar is type symbol
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(assert (symbol? 'λ))
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