test262/test/language/expressions/assignment/destructuring/obj-prop-elem-init-fn-name-...

29 lines
957 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.
/*---
description: Assignment of function `name` attribute (ArrowFunction)
es6id: 12.14.5.4
info: >
AssignmentElement[Yield] : DestructuringAssignmentTarget Initializeropt
[...]
7. If Initializer is present and v is undefined and
IsAnonymousFunctionDefinition(Initializer) and IsIdentifierRef of
DestructuringAssignmentTarget are both true, then
a. Let hasNameProperty be HasOwnProperty(rhsValue, "name").
b. ReturnIfAbrupt(hasNameProperty).
c. If hasNameProperty is false, perform SetFunctionName(rhsValue,
GetReferencedName(lref)).
includes: [propertyHelper.js]
---*/
var arrow;
({ x: arrow = () => {} } = {});
assert.sameValue(arrow.name, 'arrow');
verifyNotEnumerable(arrow, 'name');
verifyNotWritable(arrow, 'name');
verifyConfigurable(arrow, 'name');