android_external_toybox/tests/iconv.test
Elliott Hughes d2f6a12763 Fix iconv and tests on Mac.
The Mac iconv_open(3) doesn't follow Unicode TR#22 rules for charset
alias matching that bionic and glibc do (and, strictly, POSIX doesn't
say you have to even though it's obviously a good idea), so we have
to say exactly "UTF-8" rather than "utf8".

Additionally, the 2006-era bash 3.2 on current versions of macOS
(because it was the last GPLv2 bash) seems to have bugs that cause
it to mangle UTF-8 input, so we can't reliably echo a UTF-8 sequence
into a file. Use \x in the tests to work around this.
2019-11-23 10:03:43 -06:00

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#!/bin/bash
[ -f testing.sh ] && . testing.sh
# Example characters from https://en.wikipedia.org/wiki/UTF-16:
# $:U+0024 €:U+20ac 𐐷:U+10437[==U+d801,U+dc37]
# We can't simply use echo because bash 3.2 on the Mac mangles it, but toysh
# should let us go back to just this when it's available...
# echo -n "$€𐐷" > chars
echo -ne "\x24\xe2\x82\xac\xf0\x90\x90\xb7" > chars
#testing "name" "command" "result" "infile" "stdin"
testing "" "iconv chars | xxd -p" "24e282acf09090b7\n" "" ""
testing "-t UTF-16BE" "iconv -t UTF-16BE chars | xxd -p" "002420acd801dc37\n" "" ""
testing "-t UTF-16LE" "iconv -t UTF-16LE chars | xxd -p" "2400ac2001d837dc\n" "" ""
testing "-t UTF-32BE" "iconv -t UTF-32BE chars | xxd -p" "00000024000020ac00010437\n" "" ""
testing "-t UTF-32LE" "iconv -t UTF-32LE chars | xxd -p" "24000000ac20000037040100\n" "" ""