test/built-ins/Promise/race/S25.4.4.3_A7.3_T2.js


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

/*---
es6id: S25.4.4.3_A7.3_T2
author: Sam Mikes
description: Promise.race([p1, p2]) settles when first settles
flags: [async]
---*/

var resolveP1, rejectP2,
  p1 = new Promise(function(resolve) {
    resolveP1 = resolve;
  }),
  p2 = new Promise(function(resolve, reject) {
    rejectP2 = reject;
  });

Promise.race([p1, p2]).then(function() {
  $ERROR("Should not be fulfilled: expected rejection.");
}, function(arg) {
  if (arg !== 2) {
    $ERROR("Expected rejection reason to be 2, got " + arg);
  }
}).then($DONE, $DONE);

rejectP2(2);
resolveP1(1);