test/built-ins/Promise/all/S25.4.4.1_A6.1_T2.js


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

/*---
info: |
    Promise.all with 0-element array
    should accept an empty array
es6id: S25.4.4.1_A6.1_T2
author: Sam Mikes
description: Promise.all([]) returns a promise for an empty array
flags: [async]
---*/

var p = Promise.all([]);

p.then(function(result) {
  if (!(result instanceof Array)) {
    $ERROR("Expected Promise.all([]) to be Array, actually " + result);
  }
  if (result.length !== 0) {
    $ERROR("Expected Promise.all([]) to be empty Array, actually " + result);
  }
}).then($DONE, $DONE);