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