1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <functional> 11 12 // class function<R(ArgTypes...)> 13 14 // template<class A> function(allocator_arg_t, const A&, function&&); 15 16 #include <functional> 17 #include <cassert> 18 19 #include "min_allocator.h" 20 #include "count_new.hpp" 21 22 class A 23 { 24 int data_[10]; 25 public: 26 static int count; 27 28 A() 29 { 30 ++count; 31 for (int i = 0; i < 10; ++i) 32 data_[i] = i; 33 } 34 35 A(const A&) {++count;} 36 37 ~A() {--count;} 38 39 int operator()(int i) const 40 { 41 for (int j = 0; j < 10; ++j) 42 i += data_[j]; 43 return i; 44 } 45 }; 46 47 int A::count = 0; 48 49 int main() 50 { 51 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 52 assert(globalMemCounter.checkOutstandingNewEq(0)); 53 { 54 std::function<int(int)> f = A(); 55 assert(A::count == 1); 56 assert(globalMemCounter.checkOutstandingNewEq(1)); 57 assert(f.target<A>()); 58 assert(f.target<int(*)(int)>() == 0); 59 std::function<int(int)> f2(std::allocator_arg, bare_allocator<A>(), std::move(f)); 60 assert(A::count == 1); 61 assert(globalMemCounter.checkOutstandingNewEq(1)); 62 assert(f2.target<A>()); 63 assert(f2.target<int(*)(int)>() == 0); 64 assert(f.target<A>() == 0); 65 assert(f.target<int(*)(int)>() == 0); 66 } 67 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 68 } 69
