fix error message because of Chrome 49 Promise subclassing bug, close

#159
zloirock · Jan 9, 2016 · 7dfea35 · 7dfea35
1 parent ceec0ed
commit 7dfea35
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 4 deletions.
diff --git a/library/modules/es6.promise.js b/library/modules/es6.promise.js
@@ -23,9 +23,10 @@ var $                  = require('./_')
   , Internal, GenericPromiseCapability, Wrapper;
 
 var testResolve = function(sub){
-  var test = new $Promise(function(){});
+  var test = new $Promise(function(){}), promise;
   if(sub)test.constructor = Object;
-  return $Promise.resolve(test) === test;
+  (promise = $Promise.resolve(test))['catch'](function(){});
+  return promise === test;
 };
 
 var USE_NATIVE = function(){

diff --git a/modules/es6.promise.js b/modules/es6.promise.js
@@ -23,9 +23,10 @@ var $                  = require('./_')
   , Internal, GenericPromiseCapability, Wrapper;
 
 var testResolve = function(sub){
-  var test = new $Promise(function(){});
+  var test = new $Promise(function(){}), promise;
   if(sub)test.constructor = Object;
-  return $Promise.resolve(test) === test;
+  (promise = $Promise.resolve(test))['catch'](function(){});
+  return promise === test;
 };
 
 var USE_NATIVE = function(){