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#!/bin/sh
#
# Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
unset LC_ALL
test_wc()
{
stdin=$1
expected=$2
export LC_CTYPE=en_US.UTF-8
result=`echo -n "$stdin" | wc -lwm`
if [ "$result" != "${expected}" ]; then
echo "echo -n \"$stdin\" | wc -lwm"
echo -n "$stdin" | hexdump -C
echo "expected: \"$expected\""
echo "result: \"$result\""
exit 1;
fi
if [ -n "$3" ]; then
expected=$3
fi
result=`echo -n "$stdin" | wc`
if [ "$result" != "${expected}" ]; then
echo "echo -n \"$stdin\" | wc"
echo -n "$stdin" | hexdump -C
echo "expected: \"$expected\""
echo "result: \"$result\""
exit 1;
fi
export LC_CTYPE=C
result=`echo -n "$stdin" | wc -lwm`
if [ "$result" != "${expected}" ]; then
echo "[C] echo -n \"$stdin\" | wc -lwm"
echo -n "$stdin" | hexdump -C
echo "expected: \"$expected\""
echo "result: \"$result\""
exit 1;
fi
}
# single byte characters
test_wc "two lines\nand five words\n" " 2 5 25"
# non-printable characters
test_wc "a\033b\000c\n" " 1 1 6"
# multibyte characters
test_wc "ax\0314\0200b\n" " 1 1 5" " 1 1 6"
test_wc "a\0354\0277\0277b\n" " 1 1 4" \
" 1 1 6"
# invalid bytes
test_wc "a\0377\0277c\n" " 1 1 5"
# edge cases
test_wc "" " 0 0 0"
test_wc " " " 0 0 1"
test_wc "x" " 0 1 1"
test_wc "\0303\0244" " 0 1 1" " 0 1 2"
exit 0
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