JSTests/test262/test/built-ins/Function/StrictFunction_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: >
    ECMAScript Function objects defined using syntactic constructors
    in strict mode code do not have own properties "caller" or
    "arguments" other than those that are created by applying the
    AddRestrictedFunctionProperties abstract operation to the function.
flags: [onlyStrict]
es6id: 16.1
---*/

function func() {}

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

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

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

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

var newfunc = new Function('"use strict"');

assert.sameValue(newfunc.hasOwnProperty('caller'), false, 'strict Functions created using Function constructor do not have own property "caller"');
assert.sameValue(newfunc.hasOwnProperty('arguments'), false, 'strict Functions created using Function constructor do not have own property "arguments"');

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

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

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

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