bad_variant_access.pass.cpp (1225B)
1 // -*- C++ -*- 2 //===----------------------------------------------------------------------===// 3 // 4 // The LLVM Compiler Infrastructure 5 // 6 // This file is dual licensed under the MIT and the University of Illinois Open 7 // Source Licenses. See LICENSE.TXT for details. 8 // 9 //===----------------------------------------------------------------------===// 10 11 // UNSUPPORTED: c++98, c++03, c++11, c++14 12 13 // XFAIL: availability=macosx10.13 14 // XFAIL: availability=macosx10.12 15 // XFAIL: availability=macosx10.11 16 // XFAIL: availability=macosx10.10 17 // XFAIL: availability=macosx10.9 18 // XFAIL: availability=macosx10.8 19 // XFAIL: availability=macosx10.7 20 21 22 // <variant> 23 24 /* 25 26 class bad_variant_access : public exception { 27 public: 28 bad_variant_access() noexcept; 29 virtual const char* what() const noexcept; 30 }; 31 32 */ 33 34 #include <cassert> 35 #include <exception> 36 #include <type_traits> 37 #include <variant> 38 39 int main() { 40 static_assert(std::is_base_of<std::exception, std::bad_variant_access>::value, 41 ""); 42 static_assert(noexcept(std::bad_variant_access{}), "must be noexcept"); 43 static_assert(noexcept(std::bad_variant_access{}.what()), "must be noexcept"); 44 std::bad_variant_access ex; 45 assert(ex.what()); 46 }