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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_TEST_MULTIPROCESS_TEST_H_ | 5 #ifndef BASE_TEST_MULTIPROCESS_TEST_H_ |
6 #define BASE_TEST_MULTIPROCESS_TEST_H_ | 6 #define BASE_TEST_MULTIPROCESS_TEST_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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28 // CommandLine command_line( | 28 // CommandLine command_line( |
29 // base::GetMultiProcessTestChildBaseCommandLine()); | 29 // base::GetMultiProcessTestChildBaseCommandLine()); |
30 // // Maybe add our own switches to |command_line|.... | 30 // // Maybe add our own switches to |command_line|.... |
31 // | 31 // |
32 // LaunchOptions options; | 32 // LaunchOptions options; |
33 // // Maybe set some options (e.g., |start_hidden| on Windows).... | 33 // // Maybe set some options (e.g., |start_hidden| on Windows).... |
34 // | 34 // |
35 // // Start a child process and run |a_test_func|. | 35 // // Start a child process and run |a_test_func|. |
36 // base::ProcessHandle test_child_handle = | 36 // base::ProcessHandle test_child_handle = |
37 // base::SpawnMultiProcessTestChild("a_test_func", command_line, | 37 // base::SpawnMultiProcessTestChild("a_test_func", command_line, |
38 // options, false); | 38 // options); |
39 // | 39 // |
40 // // Do stuff involving |test_child_handle| and the child process.... | 40 // // Do stuff involving |test_child_handle| and the child process.... |
41 // | 41 // |
42 // int rv = -1; | 42 // int rv = -1; |
43 // ASSERT_TRUE(base::WaitForExitCodeWithTimeout( | 43 // ASSERT_TRUE(base::WaitForExitCodeWithTimeout( |
44 // test_child_handle, &rv, TestTimeouts::action_timeout())); | 44 // test_child_handle, &rv, TestTimeouts::action_timeout())); |
45 // base::CloseProcessHandle(test_child_handle); | 45 // base::CloseProcessHandle(test_child_handle); |
46 // EXPECT_EQ(0, rv); | 46 // EXPECT_EQ(0, rv); |
47 // } | 47 // } |
48 // | 48 // |
49 // // Note: |MULTIPROCESS_TEST_MAIN()| is defined in | 49 // // Note: |MULTIPROCESS_TEST_MAIN()| is defined in |
50 // // testing/multi_process_function_list.h. | 50 // // testing/multi_process_function_list.h. |
51 // MULTIPROCESS_TEST_MAIN(a_test_func) { | 51 // MULTIPROCESS_TEST_MAIN(a_test_func) { |
52 // // Code here runs in a child process.... | 52 // // Code here runs in a child process.... |
53 // return 0; | 53 // return 0; |
54 // } | 54 // } |
55 | 55 |
56 // Spawns a child process and executes the function |procname| declared using | 56 // Spawns a child process and executes the function |procname| declared using |
57 // |MULTIPROCESS_TEST_MAIN()| or |MULTIPROCESS_TEST_MAIN_WITH_SETUP()|. | 57 // |MULTIPROCESS_TEST_MAIN()| or |MULTIPROCESS_TEST_MAIN_WITH_SETUP()|. |
58 // |command_line| should be as provided by | 58 // |command_line| should be as provided by |
59 // |GetMultiProcessTestChildBaseCommandLine()| (below), possibly with arguments | 59 // |GetMultiProcessTestChildBaseCommandLine()| (below), possibly with arguments |
60 // added. Note: On Windows, you probably want to set |options.start_hidden|. | 60 // added. Note: On Windows, you probably want to set |options.start_hidden|. |
61 ProcessHandle SpawnMultiProcessTestChild( | 61 ProcessHandle SpawnMultiProcessTestChild( |
62 const std::string& procname, | 62 const std::string& procname, |
63 const CommandLine& command_line, | 63 const CommandLine& command_line, |
64 const LaunchOptions& options, | 64 const LaunchOptions& options); |
65 bool debug_on_start); | |
66 | 65 |
67 // Gets the base command line for |SpawnMultiProcessTestChild()|. To this, you | 66 // Gets the base command line for |SpawnMultiProcessTestChild()|. To this, you |
68 // may add any flags needed for your child process. | 67 // may add any flags needed for your child process. |
69 CommandLine GetMultiProcessTestChildBaseCommandLine(); | 68 CommandLine GetMultiProcessTestChildBaseCommandLine(); |
70 | 69 |
71 // MultiProcessTest ------------------------------------------------------------ | 70 // MultiProcessTest ------------------------------------------------------------ |
72 | 71 |
73 // A MultiProcessTest is a test class which makes it easier to | 72 // A MultiProcessTest is a test class which makes it easier to |
74 // write a test which requires code running out of process. | 73 // write a test which requires code running out of process. |
75 // | 74 // |
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100 // 'procname' is the name of a function which the child will | 99 // 'procname' is the name of a function which the child will |
101 // execute. It must be exported from this library in order to | 100 // execute. It must be exported from this library in order to |
102 // run. | 101 // run. |
103 // | 102 // |
104 // Example signature: | 103 // Example signature: |
105 // extern "C" int __declspec(dllexport) FooBar() { | 104 // extern "C" int __declspec(dllexport) FooBar() { |
106 // // do client work here | 105 // // do client work here |
107 // } | 106 // } |
108 // | 107 // |
109 // Returns the handle to the child, or NULL on failure | 108 // Returns the handle to the child, or NULL on failure |
110 ProcessHandle SpawnChild(const std::string& procname, bool debug_on_start); | 109 ProcessHandle SpawnChild(const std::string& procname); |
111 | 110 |
112 // Run a child process using the given launch options. | 111 // Run a child process using the given launch options. |
113 // | 112 // |
114 // Note: On Windows, you probably want to set |options.start_hidden|. | 113 // Note: On Windows, you probably want to set |options.start_hidden|. |
115 ProcessHandle SpawnChildWithOptions(const std::string& procname, | 114 ProcessHandle SpawnChildWithOptions(const std::string& procname, |
116 const LaunchOptions& options, | 115 const LaunchOptions& options); |
117 bool debug_on_start); | |
118 | 116 |
119 // Set up the command line used to spawn the child process. | 117 // Set up the command line used to spawn the child process. |
120 // Override this to add things to the command line (calling this first in the | 118 // Override this to add things to the command line (calling this first in the |
121 // override). | 119 // override). |
122 // Note that currently some tests rely on this providing a full command line, | 120 // Note that currently some tests rely on this providing a full command line, |
123 // which they then use directly with |LaunchProcess()|. | 121 // which they then use directly with |LaunchProcess()|. |
124 // TODO(viettrungluu): Remove this and add a virtual | 122 // TODO(viettrungluu): Remove this and add a virtual |
125 // |ModifyChildCommandLine()|; make the two divergent uses more sane. | 123 // |ModifyChildCommandLine()|; make the two divergent uses more sane. |
126 virtual CommandLine MakeCmdLine(const std::string& procname, | 124 virtual CommandLine MakeCmdLine(const std::string& procname); |
127 bool debug_on_start); | |
128 | 125 |
129 private: | 126 private: |
130 DISALLOW_COPY_AND_ASSIGN(MultiProcessTest); | 127 DISALLOW_COPY_AND_ASSIGN(MultiProcessTest); |
131 }; | 128 }; |
132 | 129 |
133 } // namespace base | 130 } // namespace base |
134 | 131 |
135 #endif // BASE_TEST_MULTIPROCESS_TEST_H_ | 132 #endif // BASE_TEST_MULTIPROCESS_TEST_H_ |
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