diff --git a/lang/quickjs/test-version.sh b/lang/quickjs/test-version.sh
new file mode 100755
index 0000000000..43a1b6ef3b
--- /dev/null
+++ b/lang/quickjs/test-version.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# shellcheck shell=busybox
+
+case "$PKG_NAME" in
+quickjs)
+	qjs --help | grep -F "${PKG_VERSION//./-}"
+	;;
+
+*)
+	echo "Untested package: $PKG_NAME" >&2
+	exit 1
+	;;
+esac
diff --git a/lang/quickjs/test.sh b/lang/quickjs/test.sh
old mode 100644
new mode 100755
index 2154ae5052..a24303afb9
--- a/lang/quickjs/test.sh
+++ b/lang/quickjs/test.sh
@@ -1,5 +1,9 @@
 #!/bin/sh
 
-if [ "$1" = 'quickjs' ]; then
-	qjs --help | grep -F "${PKG_VERSION//./-}"
-fi
+# shellcheck shell=busybox
+
+case "$PKG_NAME" in
+quickjs)
+	qjs --eval 'console.log(2 ** 8)' | grep 256
+	;;
+esac