#!/bin/bash
# runs every .zc in one or more folders (tests/errors by default) and checks the
# compiler rejects it with the message on its first `// expect: ...` line.
# usage: tests/runerr.sh [VM] [DIR...]. with several folders each gets its own line
# and the last line is the total; exits 1 when any file fails.
vm=${1:-zy}; shift
[ $# -gt 0 ] || set -- "$(dirname "$0")/errors"
tpass=0; tfail=0
for dir in "$@"; do
	pass=0; fail=0
	if [ ! -d "$dir" ]; then echo "FAIL $dir: no such folder"; tfail=$((tfail+1)); continue; fi
	for f in "$dir"/*.zc; do
		want=$(grep -m1 '^// expect: ' "$f" | sed 's#^// expect: ##')
		got=$($vm < "$f" 2>&1 | head -1)
		if [[ "$got" == *"$want"* ]]; then pass=$((pass+1)); else fail=$((fail+1)); echo "FAIL $(basename $f): got [$got]"; fi
	done
	[ $# -gt 1 ] && echo "rejected in $dir: $pass passed, $fail failed"
	tpass=$((tpass+pass)); tfail=$((tfail+fail))
done
echo "rejected: $tpass passed, $tfail failed"
[ $tfail = 0 ]