// test014.cpp - read column values, no row labels #include #include "unittest.h" int main() { int rv = 0; std::string csv = "A,B,C\n" "3,9,81\n" "4,16,256\n" ; std::string path = unittest::TempPath(); unittest::WriteFile(path, csv); try { rapidcsv::Document doc(path); std::vector ints; std::vector strs; ints = doc.GetColumn(0); unittest::ExpectEqual(size_t, ints.size(), 2); unittest::ExpectEqual(int, ints.at(0), 3); unittest::ExpectEqual(int, ints.at(1), 4); ints = doc.GetColumn("B"); unittest::ExpectEqual(size_t, ints.size(), 2); unittest::ExpectEqual(int, ints.at(0), 9); unittest::ExpectEqual(int, ints.at(1), 16); strs = doc.GetColumn(2); unittest::ExpectEqual(size_t, strs.size(), 2); unittest::ExpectEqual(std::string, strs.at(0), "81"); unittest::ExpectEqual(std::string, strs.at(1), "256"); } catch (const std::exception& ex) { std::cout << ex.what() << std::endl; rv = 1; } unittest::DeleteFile(path); return rv; }