From c291f8a81e83b6bb9b7322cc9fdff83954c8e6e2 Mon Sep 17 00:00:00 2001
From: Raito Bezarius <masterancpp@gmail.com>
Date: Sat, 2 Apr 2016 14:28:08 +0200
Subject: [PATCH] prop-types(symbols,tests): test for polyfilled Symbol and
 non-Symbol elements

---
 .../types/__tests__/ReactPropTypes-test.js    | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/src/isomorphic/classic/types/__tests__/ReactPropTypes-test.js b/src/isomorphic/classic/types/__tests__/ReactPropTypes-test.js
index bcc5bce2a5..eea4b7577a 100644
--- a/src/isomorphic/classic/types/__tests__/ReactPropTypes-test.js
+++ b/src/isomorphic/classic/types/__tests__/ReactPropTypes-test.js
@@ -798,6 +798,39 @@ describe('ReactPropTypes', function() {
     });
   });
 
+  describe('Symbol Type', function() {
+    it('should warn for non-symbol', function() {
+      typeCheckFail(
+        PropTypes.symbol,
+        'hello',
+        'Invalid prop `testProp` of type `string` supplied to ' +
+        '`testComponent`, expected `symbol`.'
+      );
+      typeCheckFail(
+        PropTypes.symbol,
+        function () { },
+        'Invalid prop `testProp` of type `function` supplied to ' +
+        '`testComponent`, expected `symbol`.'
+      );
+      typeCheckFail(
+        PropTypes.symbol,
+        {
+          '@@toStringTag': 'Katana'
+        },
+        'Invalid prop `testProp` of type `object` supplied to ' +
+        '`testComponent`, expected `symbol`.'
+      );
+    });
+
+    it('should not warn for a polyfilled Symbol', function() {
+      var ES6Symbol = require('es6-symbol/polyfill');
+      var CoreSymbol = require('core-js/library/es6/symbol');
+
+      typeCheckPass(PropTypes.symbol, ES6Symbol('es6-symbol'))
+      typeCheckPass(PropTypes.symbol, CoreSymbol('core-js'))
+    });
+  });
+
   describe('Custom validator', function() {
     beforeEach(function() {
       jest.resetModuleRegistry();