test/built-ins/Promise/prototype/then/S25.4.5.3_A5.3_T1.js


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

/*---
info: |
    PerformPromiseThen
    Ref 25.4.5.3.1
es6id: S25.4.5.3_A5.3_T1
author: Sam Mikes
description: Promise.prototype.then immediately queues handler if rejected
includes: [promiseHelper.js]
flags: [async]
---*/

var sequence = [],
    pReject,
    p = new Promise(function (resolve, reject) {
        pReject = reject;
    });

sequence.push(1);

pReject();

p.then(function () {
    $ERROR("Should not be called -- Promise rejected.");
}, function () {
    sequence.push(3);
    checkSequence(sequence, "Should be first");
}).catch($DONE);

Promise.resolve().then(function () {
    // enqueue another then-handler
    p.then(function () {
        $ERROR("Should not be called (2) -- Promise rejected.");
    }, function () {
        sequence.push(5);
        checkSequence(sequence, "Should be third");
    }).then($DONE, $DONE);

    sequence.push(4);
    checkSequence(sequence, "Should be second");
}).catch($DONE);

sequence.push(2);