JSTests/test262/test/language/expressions/arrow-function/ArrowFunction_restricted-properties.js

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

/*---
description: >
    Functions created using ArrowFunction syntactic form do not have
    own properties "caller" or "arguments", but inherit them from
    %FunctionPrototype%.
es6id: 16.1
---*/

var arrowFn = () => {};

assert.sameValue(arrowFn.hasOwnProperty('caller'), false, 'Functions created using ArrowFunction syntactic form do not have own property "caller"');
assert.sameValue(arrowFn.hasOwnProperty('arguments'), false, 'Functions created using ArrowFunction syntactic form do not have own property "arguments"');

assert.throws(TypeError, function() {
  return arrowFn.caller;
});

assert.throws(TypeError, function() {
  arrowFn.caller = {};
});

assert.throws(TypeError, function() {
  return arrowFn.arguments;
});

assert.throws(TypeError, function() {
  arrowFn.arguments = {};
});