Function CheckGetLineFromStream

Source/kwsys/testSystemTools.cxx:967–1016

}

static bool CheckGetLineFromStream()
{
  std::string const fileWithFiveCharsOnFirstLine(TEST_SYSTEMTOOLS_SOURCE_DIR
                                                 "/README.rst");

  kwsys::ifstream file(fileWithFiveCharsOnFirstLine.c_str(), std::ios::in);

  if (!file) {
    std::cerr << "Problem opening: " << fileWithFiveCharsOnFirstLine
              << std::endl;
    return false;
  }

  std::string line;
  bool has_newline = false;
  bool result;

  file.seekg(0, std::ios::beg);
  result = kwsys::SystemTools::GetLineFromStream(file, line, &has_newline,
                                                 std::string::npos);
  if (!result || line.size() != 5) {
    std::cerr << "First line does not have five characters: " << line.size()
              << std::endl;
    return false;
  }

  file.seekg(0, std::ios::beg);
  result = kwsys::SystemTools::GetLineFromStream(file, line, &has_newline,
                                                 std::string::npos);
  if (!result || line.size() != 5) {
    std::cerr << "First line does not have five characters after rewind: "
              << line.size() << std::endl;
    return false;
  }

  bool ret = true;

  for (std::string::size_type size = 1; size <= 5; ++size) {
    file.seekg(0, std::ios::beg);
    result =
      kwsys::SystemTools::GetLineFromStream(file, line, &has_newline, size);
    if (!result || line.size() != size) {
      std::cerr << "Should have read " << size << " characters but got "
                << line.size() << std::endl;
      ret = false;
    }
  }

  return ret;
}

static bool CheckGetLineFromStreamLongLine()
{