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