libcxx/test/std/containers/sequences/list/list.modifiers/clear.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <list>
  10
  11 // void clear() noexcept;
  12
  13 #include <list>
  14 #include <cassert>
  15
  16 #include "test_macros.h"
  17 #include "min_allocator.h"
  18
  19 int main(int, char**)
  20 {
  21     {
  22     int a[] = {1, 2, 3};
  23     std::list<int> c(a, a+3);
  24     ASSERT_NOEXCEPT(c.clear());
  25     c.clear();
  26     assert(c.empty());
  27     }
  28 #if TEST_STD_VER >= 11
  29     {
  30     int a[] = {1, 2, 3};
  31     std::list<int, min_allocator<int>> c(a, a+3);
  32     ASSERT_NOEXCEPT(c.clear());
  33     c.clear();
  34     assert(c.empty());
  35     }
  36 #endif
  37
  38   return 0;
  39 }