Test: int_overflow.cpp
int_overflow.cpp: In member function 'int PriceCalculator::calculateTotal(int, int)':
int_overflow.cpp:9:45: error: 'numeric_limits' is not a member of 'std'
    9 | if (total > static_cast<long long int>(std::numeric_limits<int>::max())) {
      |                                             ^~~~~~~~~~~~~~
int_overflow.cpp:9:60: error: expected primary-expression before 'int'
    9 | if (total > static_cast<long long int>(std::numeric_limits<int>::max())) {
      |                                                            ^~~
int_overflow.cpp:9:60: error: expected ')' before 'int'
int_overflow.cpp:9:60: error: expected ')' before 'int'
int_overflow.cpp:9:4: note: to match this '('
    9 | if (total > static_cast<long long int>(std::numeric_limits<int>::max())) {
      |    ^
int_overflow.cpp:9:72: error: expected primary-expression before ')' token
    9 | if (total > static_cast<long long int>(std::numeric_limits<int>::max())) {
      |                                                                        ^
int_overflow.cpp:8:23: warning: control reaches end of non-void function [-Wreturn-type]
    8 |         long long int total = static_cast<long long int>(pricePerUnit) * static_cast<long long int>(quantity);
      |                       ^~~~~