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1 // Copyright 2013 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 #ifndef MOJO_COMMON_TEST_MULTIPROCESS_TEST_BASE_H_ | |
6 #define MOJO_COMMON_TEST_MULTIPROCESS_TEST_BASE_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "base/basictypes.h" | |
11 #include "base/compiler_specific.h" | |
12 #include "base/process/process_handle.h" | |
13 #include "base/test/multiprocess_test.h" | |
14 #include "mojo/system/embedder/scoped_platform_handle.h" | |
15 #include "testing/multiprocess_func_list.h" | |
16 | |
17 namespace mojo { | |
18 | |
19 namespace embedder { | |
20 class PlatformChannelPair; | |
21 } | |
22 | |
23 namespace test { | |
24 | |
25 class MultiprocessTestBase : public base::MultiProcessTest { | |
26 public: | |
27 MultiprocessTestBase(); | |
28 virtual ~MultiprocessTestBase(); | |
29 | |
30 virtual void SetUp() OVERRIDE; | |
31 virtual void TearDown() OVERRIDE; | |
32 | |
33 // Start a child process and run the "main" function "named" |test_child_name| | |
34 // declared using |MOJO_MULTIPROCESS_TEST_CHILD_MAIN()| (below). | |
35 void StartChild(const std::string& test_child_name); | |
36 // Wait for the child process to terminate. | |
37 // Returns the exit code of the child process. Note that, though it's declared | |
38 // to be an |int|, the exit code is subject to mangling by the OS. E.g., we | |
39 // usually return -1 on error in the child (e.g., if |test_child_name| was not | |
40 // found), but this is mangled to 255 on Linux. You should only rely on codes | |
41 // 0-127 being preserved, and -1 being outside the range 0-127. | |
42 int WaitForChildShutdown(); | |
43 | |
44 // For use by |MOJO_MULTIPROCESS_TEST_CHILD_MAIN()| only: | |
45 static void ChildSetup(); | |
46 | |
47 // For use in the main process: | |
48 embedder::ScopedPlatformHandle server_platform_handle; | |
49 | |
50 // For use (and only valid) in the child process: | |
51 static embedder::ScopedPlatformHandle client_platform_handle; | |
52 | |
53 private: | |
54 virtual CommandLine MakeCmdLine(const std::string& procname, | |
55 bool debug_on_start) OVERRIDE; | |
56 | |
57 scoped_ptr<embedder::PlatformChannelPair> platform_channel_pair_; | |
58 | |
59 // Valid after |StartChild()| and before |WaitForChildShutdown()|. | |
60 base::ProcessHandle test_child_handle_; | |
61 | |
62 DISALLOW_COPY_AND_ASSIGN(MultiprocessTestBase); | |
63 }; | |
64 | |
65 // Use this to declare the child process's "main()" function for tests using | |
66 // |MultiprocessTestBase|. It returns an |int|, which will be the process's exit | |
67 // code (but see the comment about |WaitForChildShutdown()|). | |
68 #define MOJO_MULTIPROCESS_TEST_CHILD_MAIN(test_child_name) \ | |
69 MULTIPROCESS_TEST_MAIN_WITH_SETUP( \ | |
70 test_child_name ## TestChildMain, \ | |
71 ::mojo::test::MultiprocessTestBase::ChildSetup) | |
72 | |
73 } // namespace test | |
74 } // namespace mojo | |
75 | |
76 #endif // MOJO_COMMON_TEST_MULTIPROCESS_TEST_BASE_H_ | |
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