llvm-project/clang-tools-extra/test/clang-tidy/checkers/modernize-replace-random-sh...

58 lines
1.9 KiB
C++

// RUN: %check_clang_tidy %s modernize-replace-random-shuffle %t
//CHECK-FIXES: #include <random>
namespace std {
template <typename T> struct vec_iterator {
T *ptr;
vec_iterator operator++(int);
};
template <typename T> struct vector {
typedef vec_iterator<T> iterator;
iterator begin();
iterator end();
};
template <typename FwIt>
void random_shuffle(FwIt begin, FwIt end);
template <typename FwIt, typename randomFunc>
void random_shuffle(FwIt begin, FwIt end, randomFunc& randomfunc);
template <typename FwIt>
void shuffle(FwIt begin, FwIt end);
} // namespace std
// Random Func
int myrandom (int i) { return i;}
using namespace std;
int main() {
std::vector<int> vec;
std::random_shuffle(vec.begin(), vec.end());
// CHECK-MESSAGES: [[@LINE-1]]:3: warning: 'std::random_shuffle' has been removed in C++17; use 'std::shuffle' instead
// CHECK-FIXES: std::shuffle(vec.begin(), vec.end(), std::mt19937(std::random_device()()));
std::shuffle(vec.begin(), vec.end());
random_shuffle(vec.begin(), vec.end());
// CHECK-MESSAGES: [[@LINE-1]]:3: warning: 'std::random_shuffle' has been removed in C++17; use 'std::shuffle' instead
// CHECK-FIXES: shuffle(vec.begin(), vec.end(), std::mt19937(std::random_device()()));
std::random_shuffle(vec.begin(), vec.end(), myrandom);
// CHECK-MESSAGES: [[@LINE-1]]:3: warning: 'std::random_shuffle' has been removed in C++17; use 'std::shuffle' and an alternative random mechanism instead
// CHECK-FIXES: std::shuffle(vec.begin(), vec.end(), std::mt19937(std::random_device()()));
random_shuffle(vec.begin(), vec.end(), myrandom);
// CHECK-MESSAGES: [[@LINE-1]]:3: warning: 'std::random_shuffle' has been removed in C++17; use 'std::shuffle' and an alternative random mechanism instead
// CHECK-FIXES: shuffle(vec.begin(), vec.end(), std::mt19937(std::random_device()()));
shuffle(vec.begin(), vec.end());
return 0;
}