Added test for standalone compression

tests/test_tools.py

@@ -19,9 +19,9 @@ class TestStandalone(TestCase):
     def setUp(self):
         pass
 
-    def _create_standalone(self, grammar):
+    def _create_standalone(self, grammar, compress=False):
         code_buf = StringIO()
-        standalone.gen_standalone(Lark(grammar, parser='lalr'), out=code_buf)
+        standalone.gen_standalone(Lark(grammar, parser='lalr'), out=code_buf, compress=compress)
         code = code_buf.getvalue()
 
         context = {'__doc__': None}
@@ -52,6 +52,11 @@ class TestStandalone(TestCase):
         self.assertRaises(context['UnexpectedToken'], l.parse, 'twelve')
         self.assertRaises(context['UnexpectedCharacters'], l.parse, '$ talks')
 
+        context = self._create_standalone(grammar, compress=True)
+        _Lark = context['Lark_StandAlone']
+        l = _Lark()
+        x = l.parse('12 elephants')
+
     def test_contextual(self):
         grammar = """
         start: a b