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 // <atomic> 11 12 // template <class Integral> 13 // Integral 14 // atomic_fetch_or_explicit(volatile atomic<Integral>* obj, Integral op); 15 // 16 // template <class Integral> 17 // Integral 18 // atomic_fetch_or_explicit(atomic<Integral>* obj, Integral op); 19 20 #include <atomic> 21 #include <type_traits> 22 #include <cassert> 23 24 template <class T> 25 void 26 test() 27 { 28 { 29 typedef std::atomic<T> A; 30 A t; 31 std::atomic_init(&t, T(1)); 32 assert(std::atomic_fetch_or_explicit(&t, T(2), 33 std::memory_order_seq_cst) == T(1)); 34 assert(t == T(3)); 35 } 36 { 37 typedef std::atomic<T> A; 38 volatile A t; 39 std::atomic_init(&t, T(3)); 40 assert(std::atomic_fetch_or_explicit(&t, T(2), 41 std::memory_order_seq_cst) == T(3)); 42 assert(t == T(3)); 43 } 44 } 45 46 int main() 47 { 48 test<char>(); 49 test<signed char>(); 50 test<unsigned char>(); 51 test<short>(); 52 test<unsigned short>(); 53 test<int>(); 54 test<unsigned int>(); 55 test<long>(); 56 test<unsigned long>(); 57 test<long long>(); 58 test<unsigned long long>(); 59 test<wchar_t>(); 60 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 61 test<char16_t>(); 62 test<char32_t>(); 63 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS 64 } 65
