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// <unordered_set> 11 12// class unordered_multiset 13 14// bool empty() const noexcept; 15 16#include <unordered_set> 17#include <cassert> 18 19#include "test_macros.h" 20#include "min_allocator.h" 21 22int main() 23{ 24 { 25 typedef std::unordered_multiset<int> M; 26 M m; 27 ASSERT_NOEXCEPT(m.empty()); 28 assert(m.empty()); 29 m.insert(M::value_type(1)); 30 assert(!m.empty()); 31 m.clear(); 32 assert(m.empty()); 33 } 34#if TEST_STD_VER >= 11 35 { 36 typedef std::unordered_multiset<int, std::hash<int>, std::equal_to<int>, min_allocator<int>> M; 37 M m; 38 ASSERT_NOEXCEPT(m.empty()); 39 assert(m.empty()); 40 m.insert(M::value_type(1)); 41 assert(!m.empty()); 42 m.clear(); 43 assert(m.empty()); 44 } 45#endif 46} 47