//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // XFAIL: libcpp-no-exceptions // // template // void // uninitialized_fill(ForwardIterator first, ForwardIterator last, // const T& x); #include #include struct B { static int count_; static int population_; int data_; explicit B() : data_(1) { ++population_; } B(const B& b) {if (++count_ == 3) throw 1; data_ = b.data_; ++population_; } ~B() {data_ = 0; --population_; } }; int B::count_ = 0; int B::population_ = 0; struct Nasty { Nasty() : i_ ( counter_++ ) {} Nasty * operator &() const { return NULL; } int i_; static int counter_; }; int Nasty::counter_ = 0; int main() { { const int N = 5; char pool[sizeof(B)*N] = {0}; B* bp = (B*)pool; assert(B::population_ == 0); try { std::uninitialized_fill(bp, bp+N, B()); assert(false); } catch (...) { assert(B::population_ == 0); } B::count_ = 0; std::uninitialized_fill(bp, bp+2, B()); for (int i = 0; i < 2; ++i) assert(bp[i].data_ == 1); assert(B::population_ == 2); } { const int N = 5; char pool[N*sizeof(Nasty)] = {0}; Nasty* bp = (Nasty*)pool; Nasty::counter_ = 23; std::uninitialized_fill(bp, bp+N, Nasty()); for (int i = 0; i < N; ++i) assert(bp[i].i_ == 23); } }