tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

instn-named-bndng-dflt-fun-named.js (1876B)

      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: >
      6    Imported binding reflects state of exported default binding ("named"
      7    function declaration)
      8 esid: sec-moduledeclarationinstantiation
      9 info: |
     10    [...]
     11    17. For each element d in lexDeclarations do
     12        a. For each element dn of the BoundNames of d do
     13           i. If IsConstantDeclaration of d is true, then
     14              [...]
     15           ii. Else,
     16               1. Perform ! envRec.CreateMutableBinding(dn, false).
     17           iii. If d is a GeneratorDeclaration production or a
     18                FunctionDeclaration production, then
     19                1. Let fo be the result of performing InstantiateFunctionObject
     20                   for d with argument env.
     21                2. Call envRec.InitializeBinding(dn, fo).
     22    [...]
     23 
     24    14.1.20 Runtime Semantics: InstantiateFunctionObject
     25 
     26    FunctionDeclaration : function ( FormalParameters ) { FunctionBody }
     27 
     28    1. If the function code for FunctionDeclaration is strict mode code, let
     29       strict be true. Otherwise let strict be false.
     30    2. Let F be FunctionCreate(Normal, FormalParameters, FunctionBody, scope,
     31       strict).
     32    3. Perform MakeConstructor(F).
     33    4. Perform SetFunctionName(F, "default").
     34    5. Return F.
     35 
     36    14.1 Function Definitions
     37 
     38    Syntax
     39 
     40    FunctionDeclaration[Yield, Default] :
     41 
     42        function BindingIdentifier[?Yield] ( FormalParameters ) { FunctionBody }
     43        [+Default] function ( FormalParameters ) { FunctionBody }
     44 flags: [module]
     45 ---*/
     46 
     47 assert.sameValue(f(), 23, 'function value is hoisted');
     48 assert.sameValue(f.name, 'fName', 'correct name is assigned');
     49 
     50 import f from './instn-named-bndng-dflt-fun-named.js';
     51 export default function fName() { return 23; };
     52 
     53 reportCompare(0, 0);