tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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set-iterator-next-failure.js (683B)

      1 // Copyright (C) 2015 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 esid: sec-set-constructor
      5 description: >
      6    Set ( [ iterable ] )
      7 
      8    When the Set function is called with optional argument iterable the following steps are taken:
      9 
     10    ...
     11    9. Repeat
     12      a. Let next be IteratorStep(iter).
     13      b. ReturnIfAbrupt(next).
     14 features: [Symbol.iterator]
     15 ---*/
     16 
     17 var iterable = {};
     18 
     19 function MyError() {};
     20 iterable[Symbol.iterator] = function() {
     21  return {
     22    next: function() {
     23      throw new MyError();
     24    }
     25  };
     26 };
     27 
     28 assert.throws(MyError, function() {
     29  new Set(iterable);
     30 });
     31 
     32 reportCompare(0, 0);