Add test case

tests/valid.rs

@@ -189,3 +189,7 @@ test!(example4,
 test!(example_bom,
        include_str!("valid/example-bom.toml"),
        include_str!("valid/example.json"));
+
+test!(table_array_nest_no_keys,
+      include_str!("valid/table-array-nest-no-keys.toml"),
+      include_str!("valid/table-array-nest-no-keys.json"));

tests/valid/table-array-nest-no-keys.json

@@ -0,0 +1,14 @@
+{
+    "albums": [
+        {
+            "songs": [{}, {}]
+        }
+    ],
+    "artists": [
+        {
+            "home": {
+                "address": {}
+            }
+        }
+    ]
+}

tests/valid/table-array-nest-no-keys.toml

@@ -0,0 +1,6 @@
+[[ albums ]]
+  [[ albums.songs ]]
+  [[ albums.songs ]]
+
+[[ artists ]]
+  [ artists.home.address ]