test(core.json): add an example for encode empty array (apache#10985)

wdy62808 · Mar 4, 2024 · d6a3db3 · d6a3db3
1 parent 2dc055b
commit d6a3db3
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/t/core/json.t b/t/core/json.t
@@ -132,12 +132,15 @@ qr/\{"b":\{"a":\{"b":"table: 0x[\w]+"\}\}\}/
             local core = require("apisix.core")
             local data = core.json.decode('{"arr":[]}')
             ngx.say(core.json.encode(data))
+            local data = { arr = setmetatable({}, core.json.array_mt)}
+            ngx.say(core.json.encode(data))
             local data = core.json.decode('{"obj":{}}')
             ngx.say(core.json.encode(data))
         }
     }
 --- response_body
 {"arr":[]}
+{"arr":[]}
 {"obj":{}}