text: // Copyright 2014 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "extensions/renderer/module_system_test.h"
  
  namespace extensions {
  namespace {
  
  class SafeBuiltinsUnittest : public ModuleSystemTest {};
  
  TEST_F(SafeBuiltinsUnittest, TestNotOriginalObject) {
    ModuleSystem::NativesEnabledScope natives_enabled_scope(
        env()->module_system());
    env()->RegisterModule("test",
                          "var assert = requireNative('assert');\n"
                          "Array.foo = 10;\n"
                          "assert.AssertTrue(!$Array.hasOwnProperty('foo'));\n");
    env()->module_system()->Require("test");
  }
  
  TEST_F(SafeBuiltinsUnittest, TestSelf) {
    ModuleSystem::NativesEnabledScope natives_enabled_scope(
        env()->module_system());
    env()->RegisterModule("test",
                          "var assert = requireNative('assert');\n"
                          "Array.foo = 10;\n"
                          "assert.AssertTrue($Array.self.foo == 10);\n"
                          "var arr = $Array.self(1);\n"
                          "assert.AssertTrue(arr.length == 1);\n"
                          "assert.AssertTrue(arr[0] === undefined);\n");
    env()->module_system()->Require("test");
  }
  
  TEST_F(SafeBuiltinsUnittest, TestStaticFunction) {
    ModuleSystem::NativesEnabledScope natives_enabled_scope(
        env()->module_system());
    env()->RegisterModule("test",
                          "var assert = requireNative('assert');\n"
                          "Object.keys = function() {throw new Error()};\n"
                          "var obj = {a: 10};\n"
                          "var keys = $Object.keys(obj);\n"
                          "assert.AssertTrue(keys.length == 1);\n"
                          "assert.AssertTrue(keys[0] == 'a');\n");
    env()->module_system()->Require("test");
  }
  
  TEST_F(SafeBuiltinsUnittest, TestInstanceMethod) {
    ModuleSystem::NativesEnabledScope natives_enabled_scope(
        env()->module_system());
    env()->RegisterModule(
        "test",
        "var assert = requireNative('assert');\n"
        "Array.prototype.push = function() {throw new Error();}\n"
        "var arr = []\n"
        "$Array.push(arr, 1);\n"
        "assert.AssertTrue(arr.length == 1);\n"
        "assert.AssertTrue(arr[0] == 1);\n");
    env()->module_system()->Require("test");
  }
  
  // NOTE: JSON is already tested in ExtensionApiTest.Messaging, via
  // chrome/test/data/extensions/api_test/messaging/connect/page.js.
  
  }  // namespace
  }  // namespace extensions
  