test262/test/built-ins/Promise/race/S25.4.4.3_A7.3_T1.js

23 lines
638 B
JavaScript

// Copyright 2014 Cubane Canada, Inc. All rights reserved.
// See LICENSE for details.
/*---
es6id: S25.4.4.3_A7.3_T1
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; });
rejectP2(new Error("Promise.race should not see this if P1 already resolved"));
resolveP1(1);
Promise.race([p1, p2]).then(function (arg) {
if (arg !== 1) {
$ERROR("Expected fulfillment with 1, got " + arg);
}
}).then($DONE, $DONE);