libcxx/test/std/utilities/template.bitset/bitset.cons/default.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 // default ctor
  10
  11 #include <bitset>
  12 #include <cassert>
  13
  14 #include "test_macros.h"
  15
  16 template <std::size_t N>
  17 TEST_CONSTEXPR_CXX23 void test_default_ctor()
  18 {
  19     {
  20         TEST_CONSTEXPR std::bitset<N> v1;
  21         assert(v1.size() == N);
  22         for (std::size_t i = 0; i < v1.size(); ++i)
  23             assert(v1[i] == false);
  24     }
  25 #if TEST_STD_VER >= 11
  26     {
  27         constexpr std::bitset<N> v1;
  28         static_assert(v1.size() == N, "");
  29     }
  30 #endif
  31 }
  32
  33 TEST_CONSTEXPR_CXX23 bool test() {
  34   test_default_ctor<0>();
  35   test_default_ctor<1>();
  36   test_default_ctor<31>();
  37   test_default_ctor<32>();
  38   test_default_ctor<33>();
  39   test_default_ctor<63>();
  40   test_default_ctor<64>();
  41   test_default_ctor<65>();
  42   test_default_ctor<1000>();
  43
  44   return true;
  45 }
  46
  47 int main(int, char**)
  48 {
  49   test();
  50 #if TEST_STD_VER > 20
  51   static_assert(test());
  52 #endif
  53
  54   return 0;
  55 }