libcxx/test/std/containers/sequences/array/empty.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 // <array>
  10
  11 // class array
  12
  13 // bool empty() const noexcept;
  14
  15 #include <array>
  16 #include <cassert>
  17
  18 #include "test_macros.h"
  19 #include "min_allocator.h"
  20
  21 int main(int, char**)
  22 {
  23     {
  24     typedef std::array<int, 2> C;
  25     C c;
  26     ASSERT_NOEXCEPT(c.empty());
  27     assert(!c.empty());
  28     }
  29     {
  30     typedef std::array<int, 0> C;
  31     C c;
  32     ASSERT_NOEXCEPT(c.empty());
  33     assert( c.empty());
  34     }
  35
  36   return 0;
  37 }