erase_key.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02
1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// ��������������������The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// This file is distributed under the University of Illinois Open Source 6bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// License. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <set> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class set 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// size_type erase(const key_type& k); 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <set> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef std::set<int> M; 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef int V; 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant typedef M::size_type I; 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant V ar[] = 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant { 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 1, 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 2, 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 3, 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 4, 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 5, 32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 6, 33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 7, 34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 8 35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant }; 36bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant M m(ar, ar + sizeof(ar)/sizeof(ar[0])); 37bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 8); 38bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant I i = m.erase(9); 39bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 8); 40bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 0); 41bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 0) == 1); 42bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 1) == 2); 43bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 2) == 3); 44bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 3) == 4); 45bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 4) == 5); 46bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 5) == 6); 47bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 6) == 7); 48bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 7) == 8); 49bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 50bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant i = m.erase(4); 51bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 7); 52bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 1); 53bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 0) == 1); 54bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 1) == 2); 55bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 2) == 3); 56bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 3) == 5); 57bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 4) == 6); 58bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 5) == 7); 59bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 6) == 8); 60bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 61bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant i = m.erase(1); 62bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 6); 63bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 1); 64bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 0) == 2); 65bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 1) == 3); 66bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 2) == 5); 67bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 3) == 6); 68bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 4) == 7); 69bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 5) == 8); 70bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 71bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant i = m.erase(8); 72bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 5); 73bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 1); 74bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 0) == 2); 75bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 1) == 3); 76bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 2) == 5); 77bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 3) == 6); 78bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 4) == 7); 79bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 80bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant i = m.erase(3); 81bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 4); 82bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 1); 83bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 0) == 2); 84bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 1) == 5); 85bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 2) == 6); 86bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 3) == 7); 87bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 88bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant i = m.erase(6); 89bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 3); 90bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 1); 91bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 0) == 2); 92bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 1) == 5); 93bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 2) == 7); 94bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 95bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant i = m.erase(7); 96bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 2); 97bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 1); 98bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 0) == 2); 99bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 1) == 5); 100bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 101bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant i = m.erase(2); 102bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 1); 103bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 1); 104bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*next(m.begin(), 0) == 5); 105bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 106bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant i = m.erase(5); 107bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(m.size() == 0); 108bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(i == 1); 109bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant } 110bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 111