c-resources/CPlusPlus20ForProgrammers-m.../examples/libraries/rapidcsv/tests/test051.cpp

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2024-04-09 06:45:18 +00:00
// test051.cpp - get column and row names
#include <rapidcsv.h>
#include "unittest.h"
int main()
{
int rv = 0;
std::string csv =
"-,A,B,C\n"
"1,3,9,81\n"
"2,4,16,256\n"
;
std::string path = unittest::TempPath();
unittest::WriteFile(path, csv);
try
{
rapidcsv::Document doc(path, rapidcsv::LabelParams(0, 0));
std::vector<std::string> columnNames = doc.GetColumnNames();
unittest::ExpectEqual(size_t, columnNames.size(), 3);
unittest::ExpectEqual(std::string, columnNames[0], "A");
unittest::ExpectEqual(std::string, columnNames[1], "B");
unittest::ExpectEqual(std::string, columnNames[2], "C");
std::vector<std::string> rowNames = doc.GetRowNames();
unittest::ExpectEqual(size_t, rowNames.size(), 2);
unittest::ExpectEqual(std::string, rowNames[0], "1");
unittest::ExpectEqual(std::string, rowNames[1], "2");
rapidcsv::Document doc2(path, rapidcsv::LabelParams(0, -1));
std::vector<std::string> columnNames2 = doc2.GetColumnNames();
unittest::ExpectEqual(size_t, columnNames2.size(), 4);
unittest::ExpectEqual(std::string, columnNames2[0], "-");
unittest::ExpectEqual(std::string, columnNames2[1], "A");
unittest::ExpectEqual(std::string, columnNames2[2], "B");
unittest::ExpectEqual(std::string, columnNames2[3], "C");
rapidcsv::Document doc3(path, rapidcsv::LabelParams(-1, 0));
std::vector<std::string> rowNames2 = doc3.GetRowNames();
unittest::ExpectEqual(size_t, rowNames2.size(), 3);
unittest::ExpectEqual(std::string, rowNames2[0], "-");
unittest::ExpectEqual(std::string, rowNames2[1], "1");
unittest::ExpectEqual(std::string, rowNames2[2], "2");
}
catch (const std::exception& ex)
{
std::cout << ex.what() << std::endl;
rv = 1;
}
unittest::DeleteFile(path);
return rv;
}