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// Copyright (c) 2012 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 "content/child/npapi/plugin_lib.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
// Test the unloading of plugin libs. Bug http://crbug.com/46526 showed that
// if UnloadAllPlugins() simply iterates through the g_loaded_libs global
// variable, we can get a crash if no plugin libs were marked as always loaded.
class PluginLibTest : public PluginLib {
public:
PluginLibTest() : PluginLib(WebPluginInfo()) {}
using PluginLib::Unload;
protected:
virtual ~PluginLibTest() {}
};
TEST(PluginLibLoading, UnloadAllPlugins) {
// For the creation of the g_loaded_libs global variable.
ASSERT_EQ(static_cast<PluginLibTest*>(NULL),
PluginLibTest::CreatePluginLib(base::FilePath()));
// Try with a single plugin lib.
scoped_refptr<PluginLibTest> plugin_lib1(new PluginLibTest());
PluginLib::UnloadAllPlugins();
// Need to create it again, it should have been destroyed above.
ASSERT_EQ(static_cast<PluginLibTest*>(NULL),
PluginLibTest::CreatePluginLib(base::FilePath()));
// Try with two plugin libs.
plugin_lib1 = new PluginLibTest();
scoped_refptr<PluginLibTest> plugin_lib2(new PluginLibTest());
PluginLib::UnloadAllPlugins();
// Need to create it again, it should have been destroyed above.
ASSERT_EQ(static_cast<PluginLibTest*>(NULL),
PluginLibTest::CreatePluginLib(base::FilePath()));
// Now try to manually Unload one and then UnloadAll.
plugin_lib1 = new PluginLibTest();
plugin_lib2 = new PluginLibTest();
plugin_lib1->Unload();
PluginLib::UnloadAllPlugins();
// Need to create it again, it should have been destroyed above.
ASSERT_EQ(static_cast<PluginLibTest*>(NULL),
PluginLibTest::CreatePluginLib(base::FilePath()));
// Now try to manually Unload the only one and then UnloadAll.
plugin_lib1 = new PluginLibTest();
plugin_lib1->Unload();
PluginLib::UnloadAllPlugins();
}
} // namespace content
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