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


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// 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);