js/src/jsapi-tests/testIsInsideNursery.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 "jsapi-tests/tests.h"
   9
  10 #include "vm/JSContext-inl.h"
  11
  12 BEGIN_TEST(testIsInsideNursery) {
  13   /* Non-GC things are never inside the nursery. */
  14   CHECK(!cx->nursery().isInside(cx));
  15   CHECK(!cx->nursery().isInside((void*)nullptr));
  16
  17   JS_GC(cx);
  18
  19   JS::RootedObject object(cx, JS_NewPlainObject(cx));
  20
  21   /* Objects are initially allocated in the nursery. */
  22   CHECK(js::gc::IsInsideNursery(object));
  23
  24   JS_GC(cx);
  25
  26   /* And are tenured if still live after a GC. */
  27   CHECK(!js::gc::IsInsideNursery(object));
  28
  29   return true;
  30 }
  31 END_TEST(testIsInsideNursery)