| // Copyright (C) 2016 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| description: > |
| Binding is created and initialized to `undefined` for exported generator |
| function declarations |
| esid: sec-moduledeclarationinstantiation |
| info: | |
| [...] |
| 17. For each element d in lexDeclarations do |
| a. For each element dn of the BoundNames of d do |
| i. If IsConstantDeclaration of d is true, then |
| [...] |
| ii. Else, |
| 1. Perform ! envRec.CreateMutableBinding(dn, false). |
| [...] |
| includes: [fnGlobalObject.js] |
| flags: [module] |
| ---*/ |
| |
| var global = fnGlobalObject(); |
| |
| assert.sameValue(test262().next().value, 23, 'initialized value'); |
| assert.sameValue( |
| Object.getOwnPropertyDescriptor(global, 'test262'), undefined |
| ); |
| |
| test262 = null; |
| |
| assert.sameValue(test262, null, 'binding is mutable'); |
| |
| export function* test262() { return 23; } |