mirror of https://github.com/tc39/test262.git
72 lines
1.9 KiB
JavaScript
72 lines
1.9 KiB
JavaScript
// Copyright (C) 2016 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: Modules have distinct environment records
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esid: sec-moduledeclarationinstantiation
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info: |
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[...]
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6. Let env be NewModuleEnvironment(realm.[[GlobalEnv]]).
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7. Set module.[[Environment]] to env.
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[...]
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8.1.2.6 NewModuleEnvironment (E)
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1. Let env be a new Lexical Environment.
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[...]
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flags: [module]
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features: [generators]
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---*/
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import './instn-uniq-env-rec-other_FIXTURE.js'
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var first = 1;
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let second = 2;
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const third = 3;
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class fourth {}
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function fifth() { return 'fifth'; }
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function* sixth() { return 'sixth'; }
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assert.sameValue(first, 1);
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assert.sameValue(second, 2);
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assert.sameValue(third, 3);
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assert.sameValue(typeof fourth, 'function', 'class declaration');
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assert.sameValue(typeof fifth, 'function', 'function declaration');
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assert.sameValue(fifth(), 'fifth');
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assert.sameValue(typeof sixth, 'function', 'generator function declaration');
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assert.sameValue(sixth().next().value, 'sixth');
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// Two separate mechanisms are required to ensure that no binding has been
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// created for a given identifier. A "bare" reference should produce a
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// ReferenceError for non-existent bindings and uninitialized bindings. A
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// reference through the `typeof` operator should succeed for non-existent
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// bindings and initialized bindings. Only non-existent bindings satisfy both
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// tests.
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typeof seventh;
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assert.throws(ReferenceError, function() {
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seventh;
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});
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typeof eight;
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assert.throws(ReferenceError, function() {
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eighth;
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});
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typeof ninth;
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assert.throws(ReferenceError, function() {
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ninth;
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});
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typeof tenth;
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assert.throws(ReferenceError, function() {
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tenth;
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});
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typeof eleventh;
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assert.throws(ReferenceError, function() {
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eleventh;
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});
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typeof twelfth;
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assert.throws(ReferenceError, function() {
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twelfth;
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});
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