test/built-ins/Promise/prototype/then/S25.4.5.3_A4.1_T1.js


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// Copyright 2014 Cubane Canada, Inc.  All rights reserved.
// See LICENSE for details.

/*---
info: |
    PerformPromiseThen
    Ref 25.4.5.3.1
es6id: S25.4.5.3_A4.1_T1
author: Sam Mikes
description: Promise.prototype.then accepts 'undefined' as arg1, arg2
flags: [async]
---*/

var obj = {};
var p = Promise.resolve(obj);

p.then(undefined, undefined)
  .then(function(arg) {
    if (arg !== obj) {
      $ERROR("Expected resolution object to be passed through, got " + arg);
    }
  }).then($DONE, $DONE);