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

@@ -63,9 +63,17 @@
 
       expect(stream.string).to eq(utf8("foo: \n"))
       expect(stream_writer).to be_closed
       expect(stream).to be_closed
     end
+
+    it 'quotes numeric string keys' do
+      stream_writer.write_map
+      stream_writer.write_key_value('110', 'foo')
+      stream_writer.close
+
+      expect(stream.string).to eq(utf8("\"110\": \"foo\"\n"))
+    end
   end
 
   describe '#closed?' do
     it 'returns false if the stream is still open' do
       expect(stream_writer).to_not be_closed