// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: Modules have distinct environment records esid: sec-moduledeclarationinstantiation info: | [...] 6. Let env be NewModuleEnvironment(realm.[[GlobalEnv]]). 7. Set module.[[Environment]] to env. [...] 8.1.2.6 NewModuleEnvironment (E) 1. Let env be a new Lexical Environment. [...] flags: [module] features: [generators] ---*/ import './instn-uniq-env-rec-other_FIXTURE.js' var first = 1; let second = 2; const third = 3; class fourth {} function fifth() { return 'fifth'; } function* sixth() { return 'sixth'; } assert.sameValue(first, 1); assert.sameValue(second, 2); assert.sameValue(third, 3); assert.sameValue(typeof fourth, 'function', 'class declaration'); assert.sameValue(typeof fifth, 'function', 'function declaration'); assert.sameValue(fifth(), 'fifth'); assert.sameValue(typeof sixth, 'function', 'generator function declaration'); assert.sameValue(sixth().next().value, 'sixth'); // Two separate mechanisms are required to ensure that no binding has been // created for a given identifier. A "bare" reference should produce a // ReferenceError for non-existent bindings and uninitialized bindings. A // reference through the `typeof` operator should succeed for non-existent // bindings and initialized bindings. Only non-existent bindings satisfy both // tests. typeof seventh; assert.throws(ReferenceError, function() { seventh; }); typeof eight; assert.throws(ReferenceError, function() { eighth; }); typeof ninth; assert.throws(ReferenceError, function() { ninth; }); typeof tenth; assert.throws(ReferenceError, function() { tenth; }); typeof eleventh; assert.throws(ReferenceError, function() { eleventh; }); typeof twelfth; assert.throws(ReferenceError, function() { twelfth; });