spec/yielding_spec.rb in yaml-write-stream-2.0.0 vs spec/yielding_spec.rb in yaml-write-stream-2.0.1

@@ -69,7 +69,16 @@
       end
 
       stream_writer.close
       expect(stream.string).to eq("foo: \n")
     end
+
+    it 'quotes numeric string keys' do
+      stream_writer.write_map do |map_writer|
+        map_writer.write_key_value('110', 'foo')
+      end
+
+      stream_writer.close
+      expect(stream.string).to eq(utf8("\"110\": \"foo\"\n"))
+    end
   end
 end