test262/test/language/statements/generators/restricted-properties.js

36 lines
846 B
JavaScript

// 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 GeneratorFunction syntactic form do not have own
properties "caller" or "arguments", but inherit them from
%FunctionPrototype%.
features: [generators]
---*/
function* generator() {}
assert.sameValue(
generator.hasOwnProperty('caller'), false, 'No "caller" own property'
);
assert.sameValue(
generator.hasOwnProperty('arguments'), false, 'No "arguments" own property'
);
assert.throws(TypeError, function() {
return generator.caller;
});
assert.throws(TypeError, function() {
generator.caller = {};
});
assert.throws(TypeError, function() {
return generator.arguments;
});
assert.throws(TypeError, function() {
generator.arguments = {};
});