Add benchmarks update test for react-jss

Close #785

packages/benchmarks/src/implementations/react-jss/Dot.js

@@ -0,0 +1,26 @@
+/* eslint-disable react/prop-types */
+import injectSheet from 'react-jss';
+import React from 'react';
+
+const Dot = ({ classes, children }) => <div className={classes.root}>{children}</div>;
+
+const styles = {
+  root: {
+    position: 'absolute',
+    cursor: 'pointer',
+    width: 0,
+    height: 0,
+    borderColor: 'transparent',
+    borderStyle: 'solid',
+    borderTopWidth: 0,
+    transform: 'translate(50%, 50%)',
+    borderBottomColor: ({ color }) => color,
+    borderRightWidth: ({ size }) => size / 2,
+    borderBottomWidth: ({ size }) => size / 2,
+    borderLeftWidth: ({ size }) => size / 2,
+    marginLeft: ({ x }) => x,
+    marginTop: ({ y }) => y
+  }
+};
+
+export default injectSheet(styles)(Dot);

packages/benchmarks/src/implementations/react-jss/index.js

@@ -1,9 +1,11 @@
 import Box from './Box';
+import Dot from './Dot';
 import Provider from './Provider';
 import View from './View';
 
 export default {
   Box,
+  Dot,
   Provider,
   View
 };