forked from OSchip/llvm-project
43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// test bitset(unsigned long long val);
|
|
|
|
#include <bitset>
|
|
#include <cassert>
|
|
|
|
#pragma clang diagnostic ignored "-Wtautological-compare"
|
|
|
|
template <std::size_t N>
|
|
void test_val_ctor()
|
|
{
|
|
{
|
|
_LIBCPP_CONSTEXPR std::bitset<N> v(0xAAAAAAAAAAAAAAAAULL);
|
|
assert(v.size() == N);
|
|
unsigned M = std::min<std::size_t>(N, 64);
|
|
for (std::size_t i = 0; i < M; ++i)
|
|
assert(v[i] == (i & 1));
|
|
for (std::size_t i = M; i < N; ++i)
|
|
assert(v[i] == false);
|
|
}
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test_val_ctor<0>();
|
|
test_val_ctor<1>();
|
|
test_val_ctor<31>();
|
|
test_val_ctor<32>();
|
|
test_val_ctor<33>();
|
|
test_val_ctor<63>();
|
|
test_val_ctor<64>();
|
|
test_val_ctor<65>();
|
|
test_val_ctor<1000>();
|
|
}
|