content/shell/tools/plugin/Tests/LeakWindowScriptableObject.cpp

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "PluginTest.h"
   6
   7 using namespace std;
   8
   9 class LeakWindowScriptableObject : public PluginTest {
  10 public:
  11     LeakWindowScriptableObject(NPP npp, const string& identifier)
  12         : PluginTest(npp, identifier)
  13     {
  14     }
  15
  16 private:
  17  NPError NPP_New(NPMIMEType pluginType,
  18                  uint16_t mode,
  19                  int16_t argc,
  20                  char* argn[],
  21                  char* argv[],
  22                  NPSavedData* saved) override {
  23         // Get a new reference to the window script object.
  24         NPObject* window;
  25         if (NPN_GetValue(NPNVWindowNPObject, &window) != NPERR_NO_ERROR) {
  26             log("Fail: Cannot fetch window script object");
  27             return NPERR_NO_ERROR;
  28         }
  29
  30         // Get another reference to the same object via window.self.
  31         NPIdentifier self_name = NPN_GetStringIdentifier("self");
  32         NPVariant window_self_variant;
  33         if (!NPN_GetProperty(window, self_name, &window_self_variant)) {
  34             log("Fail: Cannot query window.self");
  35             return NPERR_NO_ERROR;
  36         }
  37         if (!NPVARIANT_IS_OBJECT(window_self_variant)) {
  38             log("Fail: window.self is not an object");
  39             return NPERR_NO_ERROR;
  40         }
  41
  42         // Leak both references to the window script object.
  43         return NPERR_NO_ERROR;
  44     }
  45 };
  46
  47 static PluginTest::Register<LeakWindowScriptableObject> leakWindowScriptableObject("leak-window-scriptable-object");