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| 1 // Copyright (c) 2012 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 "content/child/npapi/plugin_lib.h" | |
| 6 | |
| 7 #include "base/strings/string_util.h" | |
| 8 #include "base/strings/utf_string_conversions.h" | |
| 9 #include "build/build_config.h" | |
| 10 #include "testing/gtest/include/gtest/gtest.h" | |
| 11 | |
| 12 namespace content { | |
| 13 | |
| 14 // Test the unloading of plugin libs. Bug http://crbug.com/46526 showed that | |
| 15 // if UnloadAllPlugins() simply iterates through the g_loaded_libs global | |
| 16 // variable, we can get a crash if no plugin libs were marked as always loaded. | |
| 17 class PluginLibTest : public PluginLib { | |
| 18 public: | |
| 19 PluginLibTest() : PluginLib(WebPluginInfo()) {} | |
| 20 using PluginLib::Unload; | |
| 21 | |
| 22 protected: | |
| 23 ~PluginLibTest() override {} | |
| 24 }; | |
| 25 | |
| 26 TEST(PluginLibLoading, UnloadAllPlugins) { | |
| 27 // For the creation of the g_loaded_libs global variable. | |
| 28 ASSERT_EQ(static_cast<PluginLibTest*>(NULL), | |
| 29 PluginLibTest::CreatePluginLib(base::FilePath())); | |
| 30 | |
| 31 // Try with a single plugin lib. | |
| 32 scoped_refptr<PluginLibTest> plugin_lib1(new PluginLibTest()); | |
| 33 PluginLib::UnloadAllPlugins(); | |
| 34 | |
| 35 // Need to create it again, it should have been destroyed above. | |
| 36 ASSERT_EQ(static_cast<PluginLibTest*>(NULL), | |
| 37 PluginLibTest::CreatePluginLib(base::FilePath())); | |
| 38 | |
| 39 // Try with two plugin libs. | |
| 40 plugin_lib1 = new PluginLibTest(); | |
| 41 scoped_refptr<PluginLibTest> plugin_lib2(new PluginLibTest()); | |
| 42 PluginLib::UnloadAllPlugins(); | |
| 43 | |
| 44 // Need to create it again, it should have been destroyed above. | |
| 45 ASSERT_EQ(static_cast<PluginLibTest*>(NULL), | |
| 46 PluginLibTest::CreatePluginLib(base::FilePath())); | |
| 47 | |
| 48 // Now try to manually Unload one and then UnloadAll. | |
| 49 plugin_lib1 = new PluginLibTest(); | |
| 50 plugin_lib2 = new PluginLibTest(); | |
| 51 plugin_lib1->Unload(); | |
| 52 PluginLib::UnloadAllPlugins(); | |
| 53 | |
| 54 // Need to create it again, it should have been destroyed above. | |
| 55 ASSERT_EQ(static_cast<PluginLibTest*>(NULL), | |
| 56 PluginLibTest::CreatePluginLib(base::FilePath())); | |
| 57 | |
| 58 // Now try to manually Unload the only one and then UnloadAll. | |
| 59 plugin_lib1 = new PluginLibTest(); | |
| 60 plugin_lib1->Unload(); | |
| 61 PluginLib::UnloadAllPlugins(); | |
| 62 } | |
| 63 | |
| 64 } // namespace content | |
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