quickjs: add basic evaluation test

Add basic JS evaluation test and move version check to override.

Signed-off-by: George Sapkin <george@sapk.in>
(cherry picked from commit e38f41afe3)
Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>

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

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