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#!/bin/sh

report()
{
	case $1 in
	0) printf 'All tests passed\n'   >&2 ;;
	1) printf '1 test failed\n'      >&2 ;;
	*) printf '%d tests failed\n' $1 >&2
	esac
}

readonly src=../data/GraphemeBreakTest.txt

set -e
cd "${0%/*}"
find ../lib -name '*.c' -exec cc -I../include -o gbrk gbrk.c {} +
trap 'rm -f gbrk' EXIT

n=$(
	./gbrk $src \
	| diff -y --suppress-common-lines $src - \
	| tee failures \
	| wc -l
)
test $n -eq 0 && rm failures

if test -t 2
then
	case $n in
	0) printf '\033[0;32m' ;;
	*) printf '\033[0;31m'
	esac

	report $n
	printf '\033[0m' >&2
else
	report $n
fi