Stage ES6 generators

test/mjsunit/harmony/generators-poisoned-properties.js

-// Copyright 2014 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --harmony-generators
-
-function assertIteratorResult(value, done, result) {
-  assertEquals({value: value, done: done}, result);
-}
-
-function test(f) {
-  var cdesc = Object.getOwnPropertyDescriptor(f, "caller");
-  var adesc = Object.getOwnPropertyDescriptor(f, "arguments");
-
-  assertFalse(cdesc.enumerable);
-  assertFalse(cdesc.configurable);
-
-  assertFalse(adesc.enumerable);
-  assertFalse(adesc.configurable);
-
-  assertSame(cdesc.get, cdesc.set);
-  assertSame(cdesc.get, adesc.get);
-  assertSame(cdesc.get, adesc.set);
-
-  assertTrue(cdesc.get instanceof Function);
-  assertEquals(0, cdesc.get.length);
-  assertThrows(cdesc.get, TypeError);
-
-  assertThrows(function() { return f.caller; }, TypeError);
-  assertThrows(function() { f.caller = 42; }, TypeError);
-  assertThrows(function() { return f.arguments; }, TypeError);
-  assertThrows(function() { f.arguments = 42; }, TypeError);
-}
-
-function *sloppy() { test(sloppy); }
-function *strict() { "use strict"; test(strict); }
-
-test(sloppy);
-test(strict);
-
-assertIteratorResult(undefined, true, sloppy().next());
-assertIteratorResult(undefined, true, strict().next());