test262/test/language/statements/class/definition/fn-name-method.js

// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es6id: 12.2.6.9
description: Assignment of function `name` attribute (MethodDefinition)
info: |
    6. If IsAnonymousFunctionDefinition(AssignmentExpression) is true, then
       a. Let hasNameProperty be HasOwnProperty(propValue, "name").
       b. ReturnIfAbrupt(hasNameProperty).
       c. If hasNameProperty is false, perform SetFunctionName(propValue,
          propKey).
includes: [propertyHelper.js]
features: [Symbol]
---*/

var namedSym = Symbol('test262');
var anonSym = Symbol();

class A {
  id() {}
  [anonSym]() {}
  [namedSym]() {}
  static id() {}
  static [anonSym]() {}
  static [namedSym]() {}
}

verifyProperty(A.prototype.id, 'name', {
  value: 'id',
  writable: false,
  enumerable: false,
  configurable: true,
});

verifyProperty(A.prototype[anonSym], 'name', {
  value: '',
  writable: false,
  enumerable: false,
  configurable: true,
});

verifyProperty(A.prototype[namedSym], 'name', {
  value: '[test262]',
  writable: false,
  enumerable: false,
  configurable: true,
});

verifyProperty(A.id, 'name', {
  value: 'id',
  writable: false,
  enumerable: false,
  configurable: true,
});

verifyProperty(A[anonSym], 'name', {
  value: '',
  writable: false,
  enumerable: false,
  configurable: true,
});

verifyProperty(A[namedSym], 'name', {
  value: '[test262]',
  writable: false,
  enumerable: false,
  configurable: true,
});