js/src/jsapi-tests/testDefineGetterSetterNonEnumerable.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: set ts=8 sts=2 et sw=2 tw=80:
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #include "js/PropertyAndElement.h"  // JS_DefineProperty
   9 #include "js/PropertyDescriptor.h"  // JS_GetOwnPropertyDescriptor
  10 #include "jsapi-tests/tests.h"
  11
  12 static bool NativeGetterSetter(JSContext* cx, unsigned argc, JS::Value* vp) {
  13   return true;
  14 }
  15
  16 BEGIN_TEST(testDefineGetterSetterNonEnumerable) {
  17   static const char PROPERTY_NAME[] = "foo";
  18
  19   JS::RootedValue vobj(cx);
  20   JS::RootedObject obj(cx, JS_NewPlainObject(cx));
  21   CHECK(obj);
  22   vobj.setObject(*obj);
  23
  24   JSFunction* funGet = JS_NewFunction(cx, NativeGetterSetter, 0, 0, "get");
  25   CHECK(funGet);
  26   JS::RootedObject funGetObj(cx, JS_GetFunctionObject(funGet));
  27   JS::RootedValue vget(cx, JS::ObjectValue(*funGetObj));
  28
  29   JSFunction* funSet = JS_NewFunction(cx, NativeGetterSetter, 1, 0, "set");
  30   CHECK(funSet);
  31   JS::RootedObject funSetObj(cx, JS_GetFunctionObject(funSet));
  32   JS::RootedValue vset(cx, JS::ObjectValue(*funSetObj));
  33
  34   JS::RootedObject vObject(cx, vobj.toObjectOrNull());
  35   CHECK(JS_DefineProperty(cx, vObject, PROPERTY_NAME, funGetObj, funSetObj,
  36                           JSPROP_ENUMERATE));
  37
  38   CHECK(JS_DefineProperty(cx, vObject, PROPERTY_NAME, funGetObj, funSetObj,
  39                           JSPROP_PERMANENT));
  40
  41   JS::Rooted<mozilla::Maybe<JS::PropertyDescriptor>> desc(cx);
  42   CHECK(JS_GetOwnPropertyDescriptor(cx, vObject, PROPERTY_NAME, &desc));
  43   CHECK(desc.isSome());
  44   CHECK(desc->hasGetter());
  45   CHECK(desc->hasSetter());
  46   CHECK(!desc->configurable());
  47   CHECK(!desc->enumerable());
  48
  49   return true;
  50 }
  51 END_TEST(testDefineGetterSetterNonEnumerable)