tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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invoke-resolve-error-reject.js (1145B)

      1 // |reftest| async
      2 // Copyright (C) 2016 the V8 project authors. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 
      5 /*---
      6 description: Promise rejection in response to error from `Promise.resolve`
      7 esid: sec-promise.race
      8 info: |
      9    [...]
     10    11. Let result be PerformPromiseRace(iteratorRecord, promiseCapability, C).
     11    12. If result is an abrupt completion, then
     12        a. If iteratorRecord.[[done]] is false, let result be
     13           IteratorClose(iterator,result).
     14        b. IfAbruptRejectPromise(result, promiseCapability).
     15 
     16 
     17    25.4.4.3.1 Runtime Semantics: PerformPromiseRace
     18 
     19    1. Repeat
     20       [...]
     21       h. Let nextPromise be Invoke(C, "resolve", «nextValue»).
     22       i. ReturnIfAbrupt(nextPromise).
     23 flags: [async]
     24 ---*/
     25 
     26 var err = new Test262Error();
     27 var CustomPromise = function(executor) {
     28  return new Promise(executor);
     29 };
     30 
     31 CustomPromise.resolve = function() {
     32  throw err;
     33 };
     34 
     35 Promise.race.call(CustomPromise, [1])
     36  .then(function() {
     37    throw new Test262Error('The promise should be rejected.');
     38  }, function(reason) {
     39    assert.sameValue(reason, err);
     40    $DONE();
     41  });