| // 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'); |