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#ifndef TGBOT_UTILS_H
#define TGBOT_UTILS_H
#include <string>
#include <vector>
#include <sstream>
#include <map>
#include <unordered_map>
#include <boost/lexical_cast.hpp>
template<typename T>
inline std::string diff(const T& test, const T& expected, std::string (*toStringFunc)(const typename T::value_type&)) {
std::string result;
result += "\n*** BEGIN *** Count: t=";
result += boost::lexical_cast<std::string>(test.size());
result += " e=";
result += boost::lexical_cast<std::string>(expected.size());
result += '\n';
typename T::const_iterator iter1 = test.begin();
typename T::const_iterator end1 = test.end();
typename T::const_iterator iter2 = expected.begin();
typename T::const_iterator end2 = expected.end();
bool r1, r2;
std::string s1, s2;
std::size_t i = 0;
do {
r1 = iter1 != end1;
r2 = iter2 != end2;
if (r1) {
s1 = toStringFunc(*iter1++);
}
if (r2) {
s2 = toStringFunc(*iter2++);
}
if (r1 && r2 && s1 == s2) {
result += boost::lexical_cast<std::string>(i);
result += " [=] ";
result += s1;
result += "\n";
} else {
if (r1) {
result += boost::lexical_cast<std::string>(i);
result += " [t] ";
result += s1;
result += "\n";
}
if (r2) {
result += boost::lexical_cast<std::string>(i);
result += " [e] ";
result += s2;
result += "\n";
}
}
++i;
} while (r1 || r2);
result += "*** END ***\n";
return result;
}
inline std::string diffS(const std::string& test, const std::string& expected) {
std::vector<std::string> v1, v2;
std::istringstream ss1(test);
std::istringstream ss2(expected);
std::string s1, s2;
bool r1, r2;
do {
r1 = std::getline(ss1, s1) ? true : false;
r2 = std::getline(ss2, s2) ? true : false;
if (r1) {
v1.push_back(s1);
}
if (r2) {
v2.push_back(s2);
}
} while (r1 || r2);
std::string (*toStringFunc)(const std::string&) =
[](const std::string& item) -> std::string { return item; };
return diff(v1, v2, toStringFunc);
}
inline std::string diffMSS(const std::unordered_map<std::string, std::string>& test, const std::unordered_map<std::string, std::string>& expected) {
std::map<std::string, std::string> v1(test.begin(), test.end());
std::map<std::string, std::string> v2(expected.begin(), expected.end());
std::string (*toStringFunc)(const std::pair<const std::string, std::string>&) =
[](const std::pair<const std::string, std::string>& item) -> std::string { return item.first + '=' + item.second; };
return diff(v1, v2, toStringFunc);
}
#endif //TGBOT_UTILS_H
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