test262/test/language/statements/const/fn-name-gen.js

29 lines
857 B
JavaScript

// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 13.3.1.4
description: Assignment of function `name` attribute (GeneratorExpression)
info: |
LexicalBinding : BindingIdentifier Initializer
[...]
6. If IsAnonymousFunctionDefinition(Initializer) is true, then
a. Let hasNameProperty be HasOwnProperty(value, "name").
b. ReturnIfAbrupt(hasNameProperty).
c. If hasNameProperty is false, perform SetFunctionName(value,
bindingId).
includes: [propertyHelper.js]
features: [generators]
---*/
const xGen = function* x() {};
const gen = function*() {};
assert(xGen.name !== 'xGen');
assert.sameValue(gen.name, 'gen');
verifyNotEnumerable(gen, 'name');
verifyNotWritable(gen, 'name');
verifyConfigurable(gen, 'name');