Fix validator when the specified fragment includes array

lib/json-schema/validator.rb

@@ -105,6 +105,8 @@ def schema_from_fragment(base_schema, fragment)
 
       if @options[:list]
         base_schema.to_array_schema
+      elsif base_schema.is_a?(Hash)
+        JSON::Schema.new(base_schema, schema_uri, @options[:version])
       else
         base_schema
       end

test/test_fragment_validation_with_ref.rb

@@ -27,8 +27,41 @@ def whole_schema
     }
   end
 
+  def whole_schema_with_array
+    {
+      "$schema" => "http://json-schema.org/draft-04/schema#",
+      "type" => "object",
+      "definitions" => {
+        "omg" => {
+          "links" => [
+            {
+              "type" => "object",
+              "schema" => {
+                "properties" => {
+                  "content" => {
+                    "type" => "string"
+                  },
+                  "author" => {
+                    "type" => "string"
+                  }
+                },
+                "required" => ["content", "author"]
+              }
+            }
+          ]
+        }
+      }
+    }
+  end
+
   def test_validation_of_fragment
     data = [{"content" => "ohai", "author" => "Bob"}]
     assert_valid whole_schema, data, :fragment => "#/definitions/posts"
   end
+
+  def test_validation_of_fragment_with_array
+    data = {"content" => "ohai", "author" => "Bob"}
+    assert_valid(whole_schema_with_array, data,
+                 :fragment => "#/definitions/omg/links/0/schema")
+  end
 end