test262/test/built-ins/Promise/race/S25.4.4.3_A7.2_T1.js

40 lines
915 B
JavaScript

// Copyright 2014 Cubane Canada, Inc. All rights reserved.
// See LICENSE for details.
/*---
es6id: S25.4.4.3_A7.2_T1
author: Sam Mikes
description: Promise.race([p1, p2]) settles when first settles
includes: [promiseHelper.js]
flags: [async]
---*/
var sequence = [];
var p1 = Promise.reject(1),
p2 = Promise.resolve(2),
p = Promise.race([p1, p2]);
sequence.push(1);
p.then(function () {
$ERROR("Should not be fulfilled - expected rejection.");
}, function (arg) {
if (arg !== 1) {
$ERROR("Expected rejection reason to be 1, got " + arg);
}
sequence.push(4);
checkSequence(sequence, "This happens second");
}).catch($DONE);
Promise.resolve().then(function () {
sequence.push(3);
checkSequence(sequence, "This happens first");
}).then(function () {
sequence.push(5);
checkSequence(sequence, "This happens third");
}).then($DONE, $DONE);
sequence.push(2);