testDeepFreeze.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 * vim: set ts=8 sts=2 et sw=2 tw=80:

*/

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "jsapi-tests/tests.h"

BEGIN_TEST(testDeepFreeze_bug535703) {

  JS::RootedValue v(cx);

  EVAL("var x = {}; x;", &v);

  JS::RootedObject obj(cx, v.toObjectOrNull());

  CHECK(JS_DeepFreezeObject(cx, obj));  // don't crash

  EVAL("Object.isFrozen(x)", &v);

  CHECK(v.isTrue());

  return true;

END_TEST(testDeepFreeze_bug535703)

BEGIN_TEST(testDeepFreeze_deep) {

  JS::RootedValue a(cx), o(cx);

  EXEC(

      "var a = {}, o = a;\n"

      "for (var i = 0; i < 5000; i++)\n"

      "    a = {x: a, y: a};\n");

  EVAL("a", &a);

  EVAL("o", &o);

  JS::RootedObject aobj(cx, a.toObjectOrNull());

  CHECK(JS_DeepFreezeObject(cx, aobj));

  JS::RootedValue b(cx);

  EVAL("Object.isFrozen(a)", &b);

  CHECK(b.isTrue());

  EVAL("Object.isFrozen(o)", &b);

  CHECK(b.isTrue());

  return true;

END_TEST(testDeepFreeze_deep)

BEGIN_TEST(testDeepFreeze_loop) {

  JS::RootedValue x(cx), y(cx);

  EXEC("var x = [], y = {x: x}; y.y = y; x.push(x, y);");

  EVAL("x", &x);

  EVAL("y", &y);

  JS::RootedObject xobj(cx, x.toObjectOrNull());

  CHECK(JS_DeepFreezeObject(cx, xobj));

  JS::RootedValue b(cx);

  EVAL("Object.isFrozen(x)", &b);

  CHECK(b.isTrue());

  EVAL("Object.isFrozen(y)", &b);

  CHECK(b.isTrue());

  return true;

END_TEST(testDeepFreeze_loop)