added the data for a test case

t/JSON.awk.in

@@ -0,0 +1,28 @@
+{
+  "first_name": "John",
+  "last_name": "Smith",
+  "is_alive": true,
+  "age": 27,
+  "address": {
+    "street_address": "21 2nd Street",
+    "city": "New York",
+    "state": "NY",
+    "postal_code": "10021-3100"
+  },
+  "phone_numbers": [
+    {
+      "type": "home",
+      "number": "212 555-1234"
+    },
+    {
+      "type": "office",
+      "number": "646 555-4567"
+    }
+  ],
+  "children": [
+    "Catherine",
+    "Thomas",
+    "Trevor"
+  ],
+  "spouse": null
+}

t/JSON.awk.out

@@ -0,0 +1,16 @@
+["first_name"]	"John"
+["last_name"]	"Smith"
+["is_alive"]	true
+["age"]	27
+["address","street_address"]	"21 2nd Street"
+["address","city"]	"New York"
+["address","state"]	"NY"
+["address","postal_code"]	"10021-3100"
+["phone_numbers",0,"type"]	"home"
+["phone_numbers",0,"number"]	"212 555-1234"
+["phone_numbers",1,"type"]	"office"
+["phone_numbers",1,"number"]	"646 555-4567"
+["children",0]	"Catherine"
+["children",1]	"Thomas"
+["children",2]	"Trevor"
+["spouse"]	null