mirror of
https://github.com/tc39/test262.git
synced 2025-11-04 05:33:50 +01:00
40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
// Copyright (C) 2016 the V8 project authors. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
/*---
|
|
esid: sec-globaldeclarationinstantiation
|
|
es6id: 15.1.8
|
|
description: Let binding collision with existing lexical declaration
|
|
info: |
|
|
[...]
|
|
5. For each name in lexNames, do
|
|
a. If envRec.HasVarDeclaration(name) is true, throw a SyntaxError
|
|
exception.
|
|
b. If envRec.HasLexicalDeclaration(name) is true, throw a SyntaxError
|
|
exception.
|
|
---*/
|
|
|
|
let test262Let;
|
|
const test262Const = null;
|
|
class test262Class {}
|
|
|
|
assert.throws(SyntaxError, function() {
|
|
$262.evalScript('var x; let test262Let;');
|
|
}, '`let` binding');
|
|
assert.throws(ReferenceError, function() {
|
|
x;
|
|
}, 'No bindings created for script containing `let` redeclaration');
|
|
|
|
assert.throws(SyntaxError, function() {
|
|
$262.evalScript('var x; let test262Const;');
|
|
}, '`const` binding');
|
|
assert.throws(ReferenceError, function() {
|
|
x;
|
|
}, 'No bindings created for script containing `const` redeclaration');
|
|
|
|
assert.throws(SyntaxError, function() {
|
|
$262.evalScript('var x; let test262Class;');
|
|
}, '`class` binding');
|
|
assert.throws(ReferenceError, function() {
|
|
x;
|
|
}, 'No bindings created for script containing `class` redeclaration');
|