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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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