tor-browser

The Tor Browser
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iter-arg-is-poisoned.js (1117B)

      1 // |reftest| async
      2 // Copyright (C) 2019 Sergey Rubanov. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 
      5 /*---
      6 esid: sec-promise.any
      7 description: >
      8  Promise.any(poisoned iterable) rejects with whatever error is thrown.
      9 info: |
     10  Promise.any ( iterable )
     11 
     12  ...
     13  3. Let iteratorRecord be GetIterator(iterable).
     14  4. IfAbruptRejectPromise(iteratorRecord, promiseCapability).
     15  ...
     16 
     17  #sec-getiterator
     18  GetIterator ( obj [ , hint [ , method ] ] )
     19 
     20  ...
     21  Let iterator be ? Call(method, obj).
     22  ...
     23 features: [Promise.any, Symbol, Symbol.iterator, arrow-function]
     24 flags: [async]
     25 ---*/
     26 
     27 var poison = [];
     28 Object.defineProperty(poison, Symbol.iterator, {
     29  get() {
     30    throw new Test262Error();
     31  }
     32 });
     33 
     34 try {
     35  Promise.any(poison).then(() => {
     36    $DONE('The promise should be rejected, but was resolved');
     37  }, (error) => {
     38    assert.sameValue(Object.getPrototypeOf(error), Test262Error.prototype);
     39    assert(error instanceof Test262Error);
     40  }).then($DONE, $DONE);
     41 } catch (error) {
     42  $DONE(`The promise should be rejected, but threw an exception: ${error.message}`);
     43 }