libstdc++-v3/testsuite/23_containers/deque/modifiers/emplace/90389.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // Bug 90389 - std::deque::emplace tries to call wrong overload internally
   4
   5 #include <deque>
   6 #include <testsuite_hooks.h>
   7
   8 struct X
   9 {
  10   X() = default;
  11   X(void*, void*, std::size_t) { }
  12 };
  13
  14 void
  15 test_pr90389()
  16 {
  17   const int n = 3;
  18   std::deque<X> d(n);
  19   d.emplace(d.begin(), nullptr, nullptr, d.size());
  20   VERIFY( d.size() == n+1 );
  21 }
  22
  23 struct Y
  24 {
  25   Y() = default;
  26   Y(std::size_t, const Y&) { }
  27 };
  28
  29 void
  30 test_pr118079()
  31 {
  32   const int n = 3;
  33   std::deque<Y> d(n);
  34   const Y y{};
  35   d.emplace(d.begin(), d.size(), y);
  36   VERIFY( d.size() == n+1 );
  37 }
  38
  39 int main()
  40 {
  41   test_pr90389();
  42   test_pr118079();
  43 }