fix(stringify): guard Symobl from IE (#3023)

karma-runner · May 29, 2018 · 538081c · 538081c
1 parent 65b658a
commit 538081c
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/test/client/stringify.spec.js b/test/client/stringify.spec.js
@@ -4,9 +4,13 @@ var assert = require('assert')
 var stringify = require('../../common/stringify')
 
 describe('stringify', function () {
-  it('should serialize symbols', function () {
-    assert.deepEqual(stringify(Symbol.for('x')), 'Symbol(x)')
-  })
+  if (window && window.Symbol) {
+    // IE does not support Symbol
+    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol
+    it('should serialize symbols', function () {
+      assert.deepEqual(stringify(Symbol.for('x')), 'Symbol(x)')
+    })
+  }
 
   it('should serialize string', function () {
     assert.deepEqual(stringify('aaa'), "'aaa'")