diff --git a/src/Parser/JSON.md b/src/Parser/JSON.md
index 7441ed6..c69ea2c 100644
--- a/src/Parser/JSON.md
+++ b/src/Parser/JSON.md
@@ -68,6 +68,16 @@ Show (JSONValue t) where
   show (VBool True) = "true"
   show VNull = "null"
 
+Eq (JSONValue t) where
+  (VObject xs) == (VObject ys) = 
+    assert_total $ xs $== ys
+  (VArray xs) == (VArray ys) = 
+    assert_total $ xs $== ys
+  (VString s) == (VString str) = s == str
+  (VNumber d) == (VNumber dbl) = d == dbl
+  (VBool b) == (VBool x) = b == x
+  VNull == VNull = True
+
 %hide Language.Reflection.TT.WithFC.value
 -->
 
@@ -242,12 +252,30 @@ quickSmoke : IO Bool
 quickSmoke = do
   let input = "{\"string\":\"string\",\"number\":5,\"true\":true,\"false\":false,\"null\":null,\"array\":[1,2,3]}"
   putStrLn input
-  Right parsed <- runFirstIO object input
+  Right (type ** parsed) <- runFirstIO value input
     | Left err => do
       printLn err
       pure False
-  putStrLn "Input: \{input}\nOutput: \{show parsed}"
+  putStrLn "Input: \{input}\nOutput: \{show type} -> \{show parsed}"
   case parsed of
-    VObject xs => ?quickSmoke_rhs_0
+    VObject {types} xs => do
+      putStrLn "Output types: \{show types}"
+      case decEq types [TString, TNumber, TBool, TBool, TNull, TArray] of
+        No contra => pure False
+        Yes Refl => case xs of
+          [ ("string", str)
+          , ("number", num)
+          , ("true", bool_t)
+          , ("false", bool_f)
+          , ("null", nul)
+          , ("array", arr) 
+          ] => pure $
+               str == VString "string" 
+               && num == VNumber 5.0 
+               && bool_t == VBool True 
+               && bool_f == VBool False 
+               && nul == VNull
+               && arr == VArray [VNumber 1.0, VNumber 2.0, VNumber 3.0]
+          _ => pure False
     _ => pure False
 ```