xref self-test: a real write in a compiler copy, reject unknown options; runerr.sh runs every folder it is given

1 files changed, 19 insertions, 8 deletions

diff --git a/tests/runerr.sh b/tests/runerr.sh
index f7e668c..b3767ae 100755
--- a/tests/runerr.sh
+++ b/tests/runerr.sh
@@ -1,10 +1,21 @@
 #!/bin/bash
-# runs every .zc in a folder (tests/errors by default) and checks the compiler
-# rejects it with the message on its first `// expect: ...` line
-vm=${1:-zy}; dir=${2:-$(dirname "$0")/errors}; pass=0; fail=0
-for f in "$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
+# 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: $pass passed, $fail failed"
+echo "rejected: $tpass passed, $tfail failed"
+[ $tfail = 0 ]