add getSelectedOutputNames() to poet/test/testGetterscpp

poet/src/SelectedOutputParser.cpp

@@ -15,6 +15,11 @@ PhreeqcSelectedOutputParser::PhreeqcSelectedOutputParser(
 
   if (this->_m_has_selected_output) {
     parseHeader();
+    if (this->_m_headings.size() != this->getValues(1).size()) {
+      throw std::runtime_error(
+          "Number of headings does not match number of values in selected "
+          "output.");
+    }
   }
 }
 
@@ -132,7 +137,7 @@ PhreeqcSelectedOutputParser::getValues(std::uint32_t cell_id) const {
   if (!this->hasSelectedOutput()) {
     return {}; // No selected output defined
   }
-  // this->_m_pqc_instance->SetCurrentSelectedOutputUserNumber(cell_id);
+  this->_m_pqc_instance->SetCurrentSelectedOutputUserNumber(cell_id);
 
   const std::string selected_output_string =
       _m_pqc_instance->GetSelectedOutputString();

poet/test/testGetters.cpp

@@ -1,4 +1,4 @@
-//  Time-stamp: "Last modified 2025-07-28 20:14:08 delucia"
+//  Time-stamp: "Last modified 2025-08-01 10:54:30 delucia"
 #include <iostream>
 #include <iomanip>
 #include <linux/limits.h>
@@ -96,6 +96,10 @@ int main(int argc, char *argv[]) {
     auto outonly = pqc_mat1.getMatrixOutOnly(); 
     std::cout << ":: pqc_mat1.getMatrixOutOnly(): \n";
     std::cout << outonly << "\n\n";
+
+    auto selout = pqc_mat1.getSelectedOutputNames(); 
+    std::cout << ":: pqc_mat1.getSelectedOutputNames(): \n";
+    std::cout << selout << "\n\n";
     return 0;
 }