c-resources/CPlusPlus20ForProgrammers-m.../examples/libraries/rapidcsv/tests/test018.cpp

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2024-04-09 06:45:18 +00:00
// test018.cpp - delete columns, no row labels
#include <rapidcsv.h>
#include "unittest.h"
int main()
{
int rv = 0;
std::string csvref =
"B,D\n"
"4,256\n"
"9,6561\n"
"16,65536\n"
"25,390625\n"
;
std::string csv =
"A,B,C,D\n"
"2,4,16,256\n"
"3,9,81,6561\n"
"4,16,256,65536\n"
"5,25,625,390625\n"
;
std::string path = unittest::TempPath();
unittest::WriteFile(path, csv);
try
{
rapidcsv::Document doc(path);
doc.RemoveColumn("C");
doc.RemoveColumn(0);
doc.Save();
std::string csvread = unittest::ReadFile(path);
unittest::ExpectEqual(std::string, csvref, csvread);
}
catch (const std::exception& ex)
{
std::cout << ex.what() << std::endl;
rv = 1;
}
unittest::DeleteFile(path);
return rv;
}