src/third_party/libc++/trunk/test/iterators/predef.iterators/insert.iterators/back.insert.iter.ops/back.inserter/test.pass.cpp

   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 // <iterator>
  11
  12 // template <BackInsertionContainer Cont>
  13 //   back_insert_iterator<Cont>
  14 //   back_inserter(Cont& x);
  15
  16 #include <iterator>
  17 #include <vector>
  18 #include <cassert>
  19
  20 template <class C>
  21 void
  22 test(C c)
  23 {
  24     std::back_insert_iterator<C> i = std::back_inserter(c);
  25     i = 0;
  26     assert(c.size() == 1);
  27     assert(c.back() == 0);
  28 }
  29
  30 int main()
  31 {
  32     test(std::vector<int>());
  33 }