git/t/lib-encoding.sh
Matheus Tavares 2fa3cbadcd t0028: extract encoding helpers to lib-encoding.sh
The following patch will add tests outside t0028 which will also need to
re-encode some strings. Extract the auxiliary encoding functions from
t0028 to a common lib file so that they can be reused.

Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-05-05 12:26:36 +09:00

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# Encoding helpers
test_lazy_prereq NO_UTF16_BOM '
test $(printf abc | iconv -f UTF-8 -t UTF-16 | wc -c) = 6
'
test_lazy_prereq NO_UTF32_BOM '
test $(printf abc | iconv -f UTF-8 -t UTF-32 | wc -c) = 12
'
write_utf16 () {
if test_have_prereq NO_UTF16_BOM
then
printf '\376\377'
fi &&
iconv -f UTF-8 -t UTF-16
}
write_utf32 () {
if test_have_prereq NO_UTF32_BOM
then
printf '\0\0\376\377'
fi &&
iconv -f UTF-8 -t UTF-32
}