content/shell/tools/plugin/Tests/NPDeallocateCalledBeforeNPShutdown.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 /*
   6  * Copyright (C) 2011 Apple Inc. All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  19  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  27  * THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "PluginTest.h"
  31
  32 using namespace std;
  33
  34 static bool wasShutdownCalled = false;
  35
  36 class NPDeallocateCalledBeforeNPShutdown : public PluginTest {
  37 public:
  38     NPDeallocateCalledBeforeNPShutdown(NPP npp, const string& identifier)
  39         : PluginTest(npp, identifier)
  40     {
  41     }
  42
  43 private:
  44     // This is the test object.
  45     class TestObject : public Object<TestObject> {
  46     public:
  47      ~TestObject() override {
  48             if (wasShutdownCalled)
  49                 indicateTestFailure();
  50         }
  51     };
  52
  53     // This is the scriptable object. It has a single "testObject" property.
  54     class ScriptableObject : public Object<ScriptableObject> {
  55     public:
  56         bool hasProperty(NPIdentifier propertyName)
  57         {
  58             return propertyName == pluginTest()->NPN_GetStringIdentifier("testObject");
  59         }
  60
  61         bool getProperty(NPIdentifier propertyName, NPVariant* result)
  62         {
  63             if (propertyName != pluginTest()->NPN_GetStringIdentifier("testObject"))
  64                 return false;
  65
  66             NPObject* testObject = TestObject::create(pluginTest());
  67             OBJECT_TO_NPVARIANT(testObject, *result);
  68             return true;
  69         }
  70     };
  71
  72     NPError NPP_New(NPMIMEType pluginType,
  73                     uint16_t mode,
  74                     int16_t argc,
  75                     char* argn[],
  76                     char* argv[],
  77                     NPSavedData* saved) override {
  78         registerNPShutdownFunction(shutdown);
  79
  80         return NPERR_NO_ERROR;
  81     }
  82
  83     NPError NPP_GetValue(NPPVariable variable, void* value) override {
  84         if (variable != NPPVpluginScriptableNPObject)
  85             return NPERR_GENERIC_ERROR;
  86
  87         *(NPObject**)value = ScriptableObject::create(this);
  88
  89         return NPERR_NO_ERROR;
  90     }
  91
  92     static void shutdown()
  93     {
  94         wasShutdownCalled = true;
  95     }
  96
  97 };
  98
  99 static PluginTest::Register<NPDeallocateCalledBeforeNPShutdown> npRuntimeObjectFromDestroyedPlugin("np-deallocate-called-before-np-shutdown");
 100