Function TEST

unitTests/test_futils.cpp:27–38

using namespace Exiv2;

TEST(strError, returnSuccessAfterClosingFile) {
  // previous system calls can fail, but errno is not guaranteed to be reset
  // by a successful system call
  // -> reset errno so that a real failure is only detected here
  errno = 0;

  std::string tmpFile("tmp.dat");
  std::ofstream auxFile(tmpFile.c_str());
  auxFile.close();
  fs::remove(tmpFile.c_str());
  ASSERT_TRUE(Internal::contains(strError(), "(errno = 0)"));
}

TEST(strError, returnNoSuchFileOrDirectoryWhenTryingToOpenNonExistingFile) {
  std::ifstream auxFile("nonExistingFile");