1 files changed, 8 insertions, 0 deletions
diff --git a/tests/lib.sh b/tests/lib.sh
index fb50d8a..901ceb9 100755
--- a/tests/lib.sh
+++ b/tests/lib.sh
@@ -12,3 +12,11 @@ assert_status() {
 		exit 1
 	fi
 }
+
+assert_empty_stderr() {
+	if [ "$(cat "$ERR")" != '' ]; then
+		echo "Expected STDERR ($ERR) to be empty, but has content:"
+		cat "$ERR"
+		exit 1
+	fi
+}