mirror of https://github.com/tc39/test262.git
63 lines
2.0 KiB
JavaScript
63 lines
2.0 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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esid: sec-globaldeclarationinstantiation
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es6id: 15.1.8
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description: Var binding collision with existing lexical declaration
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info: |
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[...]
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6. For each name in varNames, do
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a. If envRec.HasLexicalDeclaration(name) is true, throw a SyntaxError
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exception.
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---*/
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var test262Var;
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let test262Let;
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const test262Const = null;
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class test262Class {}
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$.evalScript('var test262Var;');
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$.evalScript('function test262Var() {}');
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assert.throws(SyntaxError, function() {
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$.evalScript('var x; var test262Let;');
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}, '`var` on `let` binding');
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assert.throws(ReferenceError, function() {
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x;
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}, 'no bindings created (script declaring a `var` on a `let` binding)');
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assert.throws(SyntaxError, function() {
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$.evalScript('var x; var test262Const;');
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}, '`var` on `const` binding');
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assert.throws(ReferenceError, function() {
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x;
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}, 'no bindings created (script declaring a `var` on a `const` binding)');
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assert.throws(SyntaxError, function() {
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$.evalScript('var x; var test262Class;');
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}, '`var` on `class` binding');
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assert.throws(ReferenceError, function() {
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x;
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}, 'no bindings created (script declaring a `var` on a `class` binding)');
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assert.throws(SyntaxError, function() {
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$.evalScript('var x; function test262Let() {}');
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}, 'function on `let` binding');
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assert.throws(ReferenceError, function() {
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x;
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}, 'no bindings created (script declaring a function on a `let` binding)');
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assert.throws(SyntaxError, function() {
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$.evalScript('var x; function test262Const() {}');
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}, 'function on `const` binding');
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assert.throws(ReferenceError, function() {
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x;
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}, 'no bindings created (script declaring a function on a `const` binding)');
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assert.throws(SyntaxError, function() {
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$.evalScript('var x; function test262Class() {}');
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} , 'function on `class` binding');
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assert.throws(ReferenceError, function() {
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x;
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}, 'no bindings created (script declaring a function on a class binding)');
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