src/third_party/libc++/trunk/test/containers/sequences/vector/vector.capacity/swap.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 // <vector>
  11
  12 // void swap(vector& x);
  13
  14 #include <vector>
  15 #include <cassert>
  16
  17 #include "min_allocator.h"
  18 #include "asan_testing.h"
  19
  20 int main()
  21 {
  22     {
  23         std::vector<int> v1(100);
  24         std::vector<int> v2(200);
  25         assert(is_contiguous_container_asan_correct(v1));
  26         assert(is_contiguous_container_asan_correct(v2));
  27         v1.swap(v2);
  28         assert(v1.size() == 200);
  29         assert(v1.capacity() == 200);
  30         assert(is_contiguous_container_asan_correct(v1));
  31         assert(v2.size() == 100);
  32         assert(v2.capacity() == 100);
  33         assert(is_contiguous_container_asan_correct(v2));
  34     }
  35 #if __cplusplus >= 201103L
  36     {
  37         std::vector<int, min_allocator<int>> v1(100);
  38         std::vector<int, min_allocator<int>> v2(200);
  39         assert(is_contiguous_container_asan_correct(v1));
  40         assert(is_contiguous_container_asan_correct(v2));
  41         v1.swap(v2);
  42         assert(v1.size() == 200);
  43         assert(v1.capacity() == 200);
  44         assert(is_contiguous_container_asan_correct(v1));
  45         assert(v2.size() == 100);
  46         assert(v2.capacity() == 100);
  47         assert(is_contiguous_container_asan_correct(v2));
  48     }
  49 #endif
  50 }