f5256e16df
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <set>
|
|
|
|
// class set
|
|
|
|
// pair<iterator, bool> insert(const value_type& v);
|
|
|
|
#include <set>
|
|
#include <cassert>
|
|
|
|
int main()
|
|
{
|
|
{
|
|
typedef std::set<int> M;
|
|
typedef std::pair<M::iterator, bool> R;
|
|
M m;
|
|
R r = m.insert(M::value_type(2));
|
|
assert(r.second);
|
|
assert(r.first == m.begin());
|
|
assert(m.size() == 1);
|
|
assert(*r.first == 2);
|
|
|
|
r = m.insert(M::value_type(1));
|
|
assert(r.second);
|
|
assert(r.first == m.begin());
|
|
assert(m.size() == 2);
|
|
assert(*r.first == 1);
|
|
|
|
r = m.insert(M::value_type(3));
|
|
assert(r.second);
|
|
assert(r.first == prev(m.end()));
|
|
assert(m.size() == 3);
|
|
assert(*r.first == 3);
|
|
|
|
r = m.insert(M::value_type(3));
|
|
assert(!r.second);
|
|
assert(r.first == prev(m.end()));
|
|
assert(m.size() == 3);
|
|
assert(*r.first == 3);
|
|
}
|
|
}
|