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