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_map> 11 12 // class unordered_multimap 13 14 // size_type size() const noexcept; 15 16 #include <unordered_map> 17 #include <cassert> 18 19 #include "test_macros.h" 20 #include "min_allocator.h" 21 22 int main() 23 { 24 { 25 typedef std::unordered_multimap<int, double> M; 26 M m; 27 ASSERT_NOEXCEPT(m.size()); 28 assert(m.size() == 0); 29 m.insert(M::value_type(2, 1.5)); 30 assert(m.size() == 1); 31 m.insert(M::value_type(1, 1.5)); 32 assert(m.size() == 2); 33 m.insert(M::value_type(3, 1.5)); 34 assert(m.size() == 3); 35 m.erase(m.begin()); 36 assert(m.size() == 2); 37 m.erase(m.begin()); 38 assert(m.size() == 1); 39 m.erase(m.begin()); 40 assert(m.size() == 0); 41 } 42 #if TEST_STD_VER >= 11 43 { 44 typedef std::unordered_multimap<int, double, std::hash<int>, std::equal_to<int>, min_allocator<std::pair<const int, double>>> M; 45 M m; 46 ASSERT_NOEXCEPT(m.size()); 47 assert(m.size() == 0); 48 m.insert(M::value_type(2, 1.5)); 49 assert(m.size() == 1); 50 m.insert(M::value_type(1, 1.5)); 51 assert(m.size() == 2); 52 m.insert(M::value_type(3, 1.5)); 53 assert(m.size() == 3); 54 m.erase(m.begin()); 55 assert(m.size() == 2); 56 m.erase(m.begin()); 57 assert(m.size() == 1); 58 m.erase(m.begin()); 59 assert(m.size() == 0); 60 } 61 #endif 62 } 63
