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: c++98, c++03, c++11 11 12 // <experimental/any> 13 14 // any::clear() noexcept 15 16 #include <experimental/any> 17 #include <cassert> 18 19 #include "experimental_any_helpers.h" 20 21 int main() 22 { 23 using std::experimental::any; 24 using std::experimental::any_cast; 25 // empty 26 { 27 any a; 28 29 // noexcept check 30 static_assert( 31 noexcept(a.clear()) 32 , "any.clear() must be noexcept" 33 ); 34 35 assertEmpty(a); 36 37 a.clear(); 38 39 assertEmpty(a); 40 } 41 // small object 42 { 43 any a((small(1))); 44 assert(small::count == 1); 45 assertContains<small>(a, 1); 46 47 a.clear(); 48 49 assertEmpty<small>(a); 50 assert(small::count == 0); 51 } 52 // large object 53 { 54 any a(large(1)); 55 assert(large::count == 1); 56 assertContains<large>(a); 57 58 a.clear(); 59 60 assertEmpty<large>(a); 61 assert(large::count == 0); 62 } 63 } 64
