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250b5bcc2e
library/string.m:
Make each code unit in an ill-formed sequence contribute one
to the value of string.count_codepoints.
tests/hard_coded/Mmakefile:
tests/hard_coded/string_count_codepoints_ilseq.exp:
tests/hard_coded/string_count_codepoints_ilseq.exp2:
tests/hard_coded/string_count_codepoints_ilseq.m:
Add test case.
36 lines
1019 B
Mathematica
36 lines
1019 B
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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%
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% The .exp file is for backends using UTF-8 string encoding.
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% The .exp2 file is for backends using UTF-16 string encoding.
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%
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%---------------------------------------------------------------------------%
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:- module string_count_codepoints_ilseq.
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:- interface.
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:- import_module io.
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:- pred main(io::di, io::uo) is det.
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%---------------------------------------------------------------------------%
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:- implementation.
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:- import_module char.
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:- import_module int.
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:- import_module list.
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:- import_module string.
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%---------------------------------------------------------------------------%
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main(!IO) :-
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S0 = "😀",
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S1 = string.between(S0, 0, 1),
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S2 = string.between(S0, 1, count_code_units(S0)),
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S = S0 ++ S1 ++ "," ++ S2 ++ S0,
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string.count_codepoints(S, Num),
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io.write_int(Num, !IO),
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io.nl(!IO).
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