tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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iterator-next-failure.js (634B)

      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-weakmap-iterable
      5 description: >
      6  Return abrupt from next iterator step.
      7 info: |
      8  23.3.1.1 WeakMap ( [ iterable ] )
      9 
     10  ...
     11  9. Repeat
     12    a. Let next be IteratorStep(iter).
     13    b. ReturnIfAbrupt(next).
     14    ...
     15 features: [Symbol.iterator]
     16 ---*/
     17 
     18 var iterable = {};
     19 iterable[Symbol.iterator] = function() {
     20  return {
     21    next: function() {
     22      throw new Test262Error();
     23    }
     24  };
     25 };
     26 
     27 assert.throws(Test262Error, function() {
     28  new WeakMap(iterable);
     29 });
     30 
     31 reportCompare(0, 0);