// returns the number of comparisons completed, throws on failure.
Size Tester::compareResults(const ResultSet& leftResultSet, const ResultSet& rightResultSet,
const boost::property_tree::ptree& pt) // will throw on failure
{
Size comparisonsDone = 0;
writeDiagnostics("Comparing results with: \nleft result:\n" + toString(leftResultSet)
+ "right result:\n" + toString(rightResultSet)
+ "and property tree:\n" + toString(pt),
high, "Tester::compareResults");
boost::property_tree::ptree::const_iterator iter = pt.begin();
while(iter != pt.end())
{
if(iter->first == "comparison")
{
std::string categoryStr = pt_get<std::string>(iter->second, "category");
ResultCategory category = stringToResultCategory(categoryStr);
Real leftVal = leftResultSet.getValue(category);
std::string comparison = pt_get<std::string>(iter->second, "comparison_type");
Real tol = pt_get<Real> (iter->second, "tolerance");
std::string rightSource = pt_get<std::string>(iter->second, "right_source");
Real rightVal;
if(rightSource == "right_leg")
rightVal = rightResultSet.getValue(category);
else if( rightSource == "constant")
rightVal = pt_get<Real>(iter->second, "constant");
else QL_FAIL("'right_source' must be either 'right_leg' or 'constant'. Here it is: "
<< rightSource);
std::string msg = m_currentTestID + "\ncategory: " + categoryStr; // used when exception is thrown
doComparison(leftVal, rightVal, comparison, tol, msg); // throws on failure
comparisonsDone++;
}
iter++;
}
// when there are no comparisons done, i.e. comparisonsDone == 0,
// there may have been a problem readin the xml
// so we will use a diagnostic level of 'low'
// making it more likely the message will be shown to the user.
writeDiagnostics("For test: " + m_currentTestID
+ ",\nthe number of comparisons done was: " + toString(comparisonsDone)+ "\n",
comparisonsDone > 0 ? high : low, "Tester::compareResults");
return comparisonsDone;
}
