// |reftest| module // Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: > Imported binding reflects state of exported generator function binding esid: sec-moduledeclarationinstantiation info: | [...] 12. For each ImportEntry Record in in module.[[ImportEntries]], do a. Let importedModule be ? HostResolveImportedModule(module, in.[[ModuleRequest]]). b. If in.[[ImportName]] is "*", then [...] c. Else, i. Let resolution be ? importedModule.ResolveExport(in.[[ImportName]], « », « »). ii. If resolution is null or resolution is "ambiguous", throw a SyntaxError exception. iii. Call envRec.CreateImportBinding(in.[[LocalName]], resolution.[[Module]], resolution.[[BindingName]]). [...] 16. Let lexDeclarations be the LexicallyScopedDeclarations of code. 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 1. Perform ! envRec.CreateImmutableBinding(dn, true). ii. Else, 1. Perform ! envRec.CreateMutableBinding(dn, false). iii. If d is a GeneratorDeclaration production or a FunctionDeclaration production, then 1. Let fo be the result of performing InstantiateFunctionObject for d with argument env. 2. Call envRec.InitializeBinding(dn, fo). [...] 8.1.1.5.5 CreateImportBinding [...] 5. Create an immutable indirect binding in envRec for N that references M and N2 as its target binding and record that the binding is initialized. 6. Return NormalCompletion(empty). flags: [module] features: [generators] ---*/ assert.sameValue( g2().next().value, 23, 'binding is initialized to function value prior to module evaluation' ); assert.throws(TypeError, function() { g2 = null; }, 'binding rejects assignment'); assert.sameValue(g2().next().value, 23, 'binding value is immutable'); import { g as g2 } from './instn-named-bndng-gen.js'; export function* g() { return 23; } reportCompare(0, 0);