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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 bitset(unsigned long long val);
     11 
     12 #include <bitset>
     13 #include <cassert>
     14 #include <algorithm> // for 'min' and 'max'
     15 #include <cstddef>
     16 
     17 #include "test_macros.h"
     18 
     19 template <std::size_t N>
     20 void test_val_ctor()
     21 {
     22     {
     23         TEST_CONSTEXPR std::bitset<N> v(0xAAAAAAAAAAAAAAAAULL);
     24         assert(v.size() == N);
     25         std::size_t M = std::min<std::size_t>(N, 64);
     26         for (std::size_t i = 0; i < M; ++i)
     27             assert(v[i] == ((i & 1) != 0));
     28         for (std::size_t i = M; i < N; ++i)
     29             assert(v[i] == false);
     30     }
     31 #if TEST_STD_VER >= 11
     32     {
     33         constexpr std::bitset<N> v(0xAAAAAAAAAAAAAAAAULL);
     34         static_assert(v.size() == N, "");
     35     }
     36 #endif
     37 }
     38 
     39 int main()
     40 {
     41     test_val_ctor<0>();
     42     test_val_ctor<1>();
     43     test_val_ctor<31>();
     44     test_val_ctor<32>();
     45     test_val_ctor<33>();
     46     test_val_ctor<63>();
     47     test_val_ctor<64>();
     48     test_val_ctor<65>();
     49     test_val_ctor<1000>();
     50 }
     51