test262/test/language/expressions/assignment/fn-name-cover.js

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1.1 KiB
JavaScript

// Copyright (C) Copyright 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 12.14.4
description: >
Assignment of function `name` attribute (CoverParenthesizedExpression)
info: >
AssignmentExpression[In, Yield] :
LeftHandSideExpression[?Yield] = AssignmentExpression[?In, ?Yield]
1. If LeftHandSideExpression is neither an ObjectLiteral nor an
ArrayLiteral, then
[...]
e. If IsAnonymousFunctionDefinition(AssignmentExpression) and
IsIdentifierRef of LeftHandSideExpression are both true, then
i. Let hasNameProperty be HasOwnProperty(rval, "name").
ii. ReturnIfAbrupt(hasNameProperty).
iii. If hasNameProperty is false, perform SetFunctionName(rval,
GetReferencedName(lref)).
includes: [propertyHelper.js]
---*/
var xCover, cover;
xCover = (0, function() {});
cover = (function() {});
assert(xCover.name !== 'xCover');
assert.sameValue(cover.name, 'cover');
verifyNotEnumerable(cover, 'name');
verifyNotWritable(cover, 'name');
verifyConfigurable(cover, 'name');