Function GenerateRandomData

cpp/src/arrow/io/buffered_test.cc:53–61

using ::arrow::internal::TemporaryDir;

static std::string GenerateRandomData(size_t nbytes) {
  // MSVC doesn't accept uint8_t for std::independent_bits_engine<>
  typedef unsigned long UInt;  // NOLINT
  std::independent_bits_engine<std::default_random_engine, 8 * sizeof(UInt), UInt> engine;

  std::vector<UInt> data(nbytes / sizeof(UInt) + 1);
  std::generate(begin(data), end(data), std::ref(engine));
  return std::string(reinterpret_cast<char*>(data.data()), nbytes);
}

template <typename FileType>
class FileTestFixture : public ::testing::Test {