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      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 // test default ctor
     11 
     12 #include <bitset>
     13 #include <cassert>
     14 
     15 #include "test_macros.h"
     16 
     17 #if defined(TEST_COMPILER_C1XX)
     18 #pragma warning(disable: 6294) // Ill-defined for-loop:  initial condition does not satisfy test.  Loop body not executed.
     19 #endif
     20 
     21 template <std::size_t N>
     22 void test_default_ctor()
     23 {
     24     {
     25         TEST_CONSTEXPR std::bitset<N> v1;
     26         assert(v1.size() == N);
     27         for (std::size_t i = 0; i < N; ++i)
     28             assert(v1[i] == false);
     29     }
     30 #if TEST_STD_VER >= 11
     31     {
     32         constexpr std::bitset<N> v1;
     33         static_assert(v1.size() == N, "");
     34     }
     35 #endif
     36 }
     37 
     38 
     39 int main()
     40 {
     41     test_default_ctor<0>();
     42     test_default_ctor<1>();
     43     test_default_ctor<31>();
     44     test_default_ctor<32>();
     45     test_default_ctor<33>();
     46     test_default_ctor<63>();
     47     test_default_ctor<64>();
     48     test_default_ctor<65>();
     49     test_default_ctor<1000>();
     50 }
     51