Function HasWarningMessage

Testing/Core/vtkTestErrorObserver.h:130–150

* Check to see if a warning message exists. * Given an observer, a message and a status with an initial value, * Returns false if an warning does not exist, or if msg is not contained * in the warning message. * Returns true if the warning exists and msg is contained in the warning * message. * * If the test fails, it reports the failing message, prepended with "ERROR:". *

   * see CheckWarningMessage
   */
  bool HasWarningMessage(const std::string& expectedMsg)
  {
    if (!this->GetWarning())
    {
      std::cout << "ERROR: Failed to catch any warning. Expected the warning message to contain \""
                << expectedMsg << '\"' << std::endl;
      return false;
    }
    else
    {
      std::string gotMsg(this->GetWarningMessage());
      if (gotMsg.find(expectedMsg) == std::string::npos)
      {
        std::cout << "ERROR: Warning message does not contain \"" << expectedMsg << "\" got \n\""
                  << gotMsg << '\"' << std::endl;
        return false;
      }
    }

    return true;
  }

  /**
   * Check to see if a warning message exists.