Strict mode Failing
Expected no error, got ESHostError: Expected SameValue(«undefined», «undefined») to be false
non-Strict mode Failing
Expected no error, got ESHostError: Expected SameValue(«undefined», «undefined») to be false
Features:
- let
Expected no error, got ESHostError: Expected SameValue(«undefined», «undefined») to be false
Expected no error, got ESHostError: Expected SameValue(«undefined», «undefined») to be false
// 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-evaldeclarationinstantiation
description: Variable collision with global lexical binding
info: |
[...]
5. If strict is false, then
a. If varEnvRec is a global Environment Record, then
i. For each name in varNames, do
1. If varEnvRec.HasLexicalDeclaration(name) is true, throw a
SyntaxError exception.
2. NOTE: eval will not create a global var declaration that would
be shadowed by a global lexical declaration.
[...]
features: [let]
---*/
let x;
var caught;
// The `assert.throws` helper function would interfere with the semantics under
// test.
try {
(0,eval)('var x;');
} catch (err) {
caught = err;
}
assert.notSameValue(caught, undefined);
assert.sameValue(caught.constructor, SyntaxError);