1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <set> 10 11 // class set 12 13 // size_type size() const; 14 15 #include <set> 16 #include <cassert> 17 18 #include "test_macros.h" 19 #include "min_allocator.h" 20 main(int,char **)21int main(int, char**) 22 { 23 { 24 typedef std::set<int> M; 25 M m; 26 assert(m.size() == 0); 27 m.insert(M::value_type(2)); 28 assert(m.size() == 1); 29 m.insert(M::value_type(1)); 30 assert(m.size() == 2); 31 m.insert(M::value_type(3)); 32 assert(m.size() == 3); 33 m.erase(m.begin()); 34 assert(m.size() == 2); 35 m.erase(m.begin()); 36 assert(m.size() == 1); 37 m.erase(m.begin()); 38 assert(m.size() == 0); 39 } 40 #if TEST_STD_VER >= 11 41 { 42 typedef std::set<int, std::less<int>, min_allocator<int>> M; 43 M m; 44 assert(m.size() == 0); 45 m.insert(M::value_type(2)); 46 assert(m.size() == 1); 47 m.insert(M::value_type(1)); 48 assert(m.size() == 2); 49 m.insert(M::value_type(3)); 50 assert(m.size() == 3); 51 m.erase(m.begin()); 52 assert(m.size() == 2); 53 m.erase(m.begin()); 54 assert(m.size() == 1); 55 m.erase(m.begin()); 56 assert(m.size() == 0); 57 } 58 #endif 59 60 return 0; 61 } 62