text: // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "base/test/multiprocess_test.h"
  
  #include "base/base_switches.h"
  #include "base/command_line.h"
  #include "base/files/file_path.h"
  #include "base/files/file_util.h"
  #include "base/threading/thread_restrictions.h"
  #include "build/build_config.h"
  
  namespace base {
  
  #if !defined(OS_ANDROID)
  SpawnChildResult SpawnMultiProcessTestChild(
      const std::string& procname,
      const CommandLine& base_command_line,
      const LaunchOptions& options) {
    CommandLine command_line(base_command_line);
    // TODO(viettrungluu): See comment above |MakeCmdLine()| in the header file.
    // This is a temporary hack, since |MakeCmdLine()| has to provide a full
    // command line.
    if (!command_line.HasSwitch(switches::kTestChildProcess))
      command_line.AppendSwitchASCII(switches::kTestChildProcess, procname);
  
    SpawnChildResult result;
    result.process = LaunchProcess(command_line, options);
    return result;
  }
  
  bool WaitForMultiprocessTestChildExit(const Process& process,
                                        TimeDelta timeout,
                                        int* exit_code) {
    return process.WaitForExitWithTimeout(timeout, exit_code);
  }
  
  bool TerminateMultiProcessTestChild(const Process& process,
                                      int exit_code,
                                      bool wait) {
    return process.Terminate(exit_code, wait);
  }
  
  #endif  // !defined(OS_ANDROID)
  
  CommandLine GetMultiProcessTestChildBaseCommandLine() {
    base::ThreadRestrictions::ScopedAllowIO allow_io;
    CommandLine cmd_line = *CommandLine::ForCurrentProcess();
    cmd_line.SetProgram(MakeAbsoluteFilePath(cmd_line.GetProgram()));
    return cmd_line;
  }
  
  // MultiProcessTest ------------------------------------------------------------
  
  MultiProcessTest::MultiProcessTest() {
  }
  
  SpawnChildResult MultiProcessTest::SpawnChild(const std::string& procname) {
    LaunchOptions options;
  #if defined(OS_WIN)
    options.start_hidden = true;
  #endif
    return SpawnChildWithOptions(procname, options);
  }
  
  SpawnChildResult MultiProcessTest::SpawnChildWithOptions(
      const std::string& procname,
      const LaunchOptions& options) {
    return SpawnMultiProcessTestChild(procname, MakeCmdLine(procname), options);
  }
  
  CommandLine MultiProcessTest::MakeCmdLine(const std::string& procname) {
    CommandLine command_line = GetMultiProcessTestChildBaseCommandLine();
    command_line.AppendSwitchASCII(switches::kTestChildProcess, procname);
    return command_line;
  }
  
  }  // namespace base
  