tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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instn-star-binding.js (1105B)

      1 // |reftest| module
      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 description: Immutable binding is created for module namespace object
      6 esid: sec-moduledeclarationinstantiation
      7 info: |
      8    [...]
      9    12. For each ImportEntry Record in in module.[[ImportEntries]], do
     10        a. Let importedModule be ? HostResolveImportedModule(module,
     11           in.[[ModuleRequest]]).
     12        b. If in.[[ImportName]] is "*", then
     13           i. Let namespace be ? GetModuleNamespace(importedModule).
     14           ii. Perform ! envRec.CreateImmutableBinding(in.[[LocalName]], true).
     15           iii. Call envRec.InitializeBinding(in.[[LocalName]], namespace).
     16    [...]
     17 flags: [module]
     18 ---*/
     19 
     20 assert.sameValue(
     21  typeof ns, 'object', 'binding is initialized prior to module evaluation'
     22 );
     23 
     24 var original = ns;
     25 
     26 assert.throws(TypeError, function() {
     27  ns = null;
     28 }, 'binding rejects assignment');
     29 
     30 assert.sameValue(ns, original, 'binding value is immutable');
     31 
     32 import * as ns from './instn-star-binding.js';
     33 
     34 reportCompare(0, 0);