message: test: Add fs_tests/rename unit test
diff: @@ -118,4 +118,38 @@ BOOST_AUTO_TEST_CASE(fsbridge_fstream)
  }
  }
  +BOOST_AUTO_TEST_CASE(rename)
  +{
  + const fs::path tmpfolder{m_args.GetDataDirBase()};
  +
  + const fs::path path1{GetUniquePath(tmpfolder)};
  + const fs::path path2{GetUniquePath(tmpfolder)};
  +
  + const std::string path1_contents{"1111"};
  + const std::string path2_contents{"2222"};
  +
  + {
  + std::ofstream file{path1};
  + file << path1_contents;
  + }
  +
  + {
  + std::ofstream file{path2};
  + file << path2_contents;
  + }
  +
  + // Rename path1 -> path2.
  + BOOST_CHECK(RenameOver(path1, path2));
  +
  + BOOST_CHECK(!fs::exists(path1));
  +
  + {
  + std::ifstream file{path2};
  + std::string contents;
  + file >> contents;
  + BOOST_CHECK_EQUAL(contents, path1_contents);
  + }
  + fs::remove(path2);
  +}
  +
  BOOST_AUTO_TEST_SUITE_END()
  