| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <set> |
| |
| // class multiset |
| |
| // iterator erase(const_iterator first, const_iterator last); |
| |
| #include <set> |
| #include <cassert> |
| |
| int main() |
| { |
| { |
| typedef std::multiset<int> M; |
| typedef int V; |
| typedef M::iterator I; |
| V ar[] = |
| { |
| 1, |
| 2, |
| 3, |
| 4, |
| 5, |
| 6, |
| 7, |
| 8 |
| }; |
| M m(ar, ar + sizeof(ar)/sizeof(ar[0])); |
| assert(m.size() == 8); |
| I i = m.erase(next(m.cbegin(), 5), next(m.cbegin(), 5)); |
| assert(m.size() == 8); |
| assert(i == next(m.begin(), 5)); |
| assert(*next(m.begin(), 0) == 1); |
| assert(*next(m.begin(), 1) == 2); |
| assert(*next(m.begin(), 2) == 3); |
| assert(*next(m.begin(), 3) == 4); |
| assert(*next(m.begin(), 4) == 5); |
| assert(*next(m.begin(), 5) == 6); |
| assert(*next(m.begin(), 6) == 7); |
| assert(*next(m.begin(), 7) == 8); |
| |
| i = m.erase(next(m.cbegin(), 3), next(m.cbegin(), 4)); |
| assert(m.size() == 7); |
| assert(i == next(m.begin(), 3)); |
| assert(*next(m.begin(), 0) == 1); |
| assert(*next(m.begin(), 1) == 2); |
| assert(*next(m.begin(), 2) == 3); |
| assert(*next(m.begin(), 3) == 5); |
| assert(*next(m.begin(), 4) == 6); |
| assert(*next(m.begin(), 5) == 7); |
| assert(*next(m.begin(), 6) == 8); |
| |
| i = m.erase(next(m.cbegin(), 2), next(m.cbegin(), 5)); |
| assert(m.size() == 4); |
| assert(i == next(m.begin(), 2)); |
| assert(*next(m.begin(), 0) == 1); |
| assert(*next(m.begin(), 1) == 2); |
| assert(*next(m.begin(), 2) == 7); |
| assert(*next(m.begin(), 3) == 8); |
| |
| i = m.erase(next(m.cbegin(), 0), next(m.cbegin(), 2)); |
| assert(m.size() == 2); |
| assert(i == next(m.begin(), 0)); |
| assert(*next(m.begin(), 0) == 7); |
| assert(*next(m.begin(), 1) == 8); |
| |
| i = m.erase(m.cbegin(), m.cend()); |
| assert(m.size() == 0); |
| assert(i == m.end()); |
| } |
| } |