Function TestPExecutableRunner

Parallel/MPI/Testing/Cxx/TestPExecutableRunner.cxx:55–93

}

int TestPExecutableRunner(int argc, char* argv[])
{
  MPI_Init(&argc, &argv);

  vtkNew<vtkMPIController> controller;
  controller->Initialize(&argc, &argv, 1);
  controller->SetGlobalController(controller);

  std::string message = "Hello World!";
  std::string command;
#ifdef _WIN32
  command += "cmd.exe /c ";
#endif
  command += " echo " + message;

  int numberOfProcesses = controller->GetNumberOfProcesses();

  bool testResult = true;

  {
    // Test vtkPExecutableRunner when executing a command only on rank 0
    std::vector<std::string> testCaseExpectedResults;
    testCaseExpectedResults.resize(numberOfProcesses, "");
    testCaseExpectedResults[0] = message;
    testResult &= ::RunTestCase(controller, command, 0, testCaseExpectedResults);
  }

  // Test vtkPExecutableRunner when executing a command on all ranks
  {
    std::vector<std::string> testCaseExpectedResults;
    testCaseExpectedResults.resize(numberOfProcesses, message);
    testResult &= ::RunTestCase(controller, command, std::nullopt, testCaseExpectedResults);
  }

  controller->SetGlobalController(nullptr);
  controller->Finalize();

  return testResult ? EXIT_SUCCESS : EXIT_FAILURE;
}