Function TEST

tests/cpp/test_utils.cc:17–35

#include <gtest/gtest.h>

TEST(FileUtils, StreamIO) {
  std::string s{"Hello world"};
  std::string s2;
  std::filesystem::path tmpdir = std::filesystem::temp_directory_path();
  std::filesystem::path filepath = tmpdir / std::filesystem::u8path("ななひら.txt");

  {
    std::ofstream ofs = treelite::detail::OpenFileForWriteAsStream(filepath);
    ofs.write(s.data(), s.length());
  }
  {
    std::ifstream ifs = treelite::detail::OpenFileForReadAsStream(filepath);
    s2.resize(s.length());
    ifs.read(s2.data(), s.length());
    ASSERT_EQ(s, s2);
  }

  std::filesystem::remove(filepath);
}

TEST(FileUtils, OpenFileForReadAsFilePtr) {
  std::string s{"Hello world"};