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 // UNSUPPORTED: libcpp-has-no-threads 11 12 // <future> 13 14 // enum class launch 15 // { 16 // async = 1, 17 // deferred = 2, 18 // any = async | deferred /* EXTENSION */ 19 // }; 20 21 #include <future> 22 #include <cassert> 23 24 #include "test_macros.h" 25 26 int main() 27 { 28 #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS 29 LIBCPP_STATIC_ASSERT(static_cast<int>(std::launch::any) == 30 (static_cast<int>(std::launch::async) | static_cast<int>(std::launch::deferred)), ""); 31 #else 32 LIBCPP_STATIC_ASSERT(std::launch::any == (std::launch::async | std::launch::deferred), ""); 33 static_assert(std::launch(0) == (std::launch::async & std::launch::deferred), ""); 34 LIBCPP_STATIC_ASSERT(std::launch::any == (std::launch::async ^ std::launch::deferred), ""); 35 LIBCPP_STATIC_ASSERT(std::launch::deferred == ~std::launch::async, ""); 36 std::launch x = std::launch::async; 37 x &= std::launch::deferred; 38 assert(x == std::launch(0)); 39 x = std::launch::async; 40 x |= std::launch::deferred; 41 LIBCPP_ASSERT(x == std::launch::any); 42 x ^= std::launch::deferred; 43 assert(x == std::launch::async); 44 #endif 45 static_assert(static_cast<int>(std::launch::async) == 1, ""); 46 static_assert(static_cast<int>(std::launch::deferred) == 2, ""); 47 } 48
