test262/test/language/statements/for/head-lhs-let.js

42 lines
938 B
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-iteration-statements
es6id: 13.7
description: >
The `let` token is interpreted as an Identifier when it is not followed by a
`[` token
info: |
Syntax
IterationStatement[Yield, Return]:
for ( [lookahead ∉ { let [ } ] Expression[~In, ?Yield]opt ;
Expression[+In, ?Yield]opt ; Expression[+In, ?Yield]opt )
Statement[?Yield, ?Return]
for ( LexicalDeclaration[~In, ?Yield] Expression[+In, ?Yield]opt ;
Expression[+In, ?Yield]opt) Statement[?Yield, ?Return]
flags: [noStrict]
---*/
var let;
let = 1;
for ( let; ; )
break;
assert.sameValue(let, 1, 'IdentifierReference');
let = 2;
for ( let = 3; ; )
break;
assert.sameValue(let, 3, 'AssignmentExpression');
let = 4;
for ( [let][0]; ; )
break;
assert.sameValue(let, 4, 'MemberExpression');