64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
//===----------------------------------------------------------------------===//
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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 constexpr bool test(size_t pos) const;
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#include <bitset>
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#include <cstdlib>
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#include <cassert>
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#include "test_macros.h"
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template <std::size_t N>
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std::bitset<N>
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make_bitset()
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{
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std::bitset<N> v;
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for (std::size_t i = 0; i < N; ++i)
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v[i] = static_cast<bool>(std::rand() & 1);
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return v;
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}
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template <std::size_t N>
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void test_test(bool test_throws)
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{
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const std::bitset<N> v1 = make_bitset<N>();
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#ifdef TEST_HAS_NO_EXCEPTIONS
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if (test_throws) return;
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#else
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try
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{
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#endif
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bool b = v1.test(50);
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if (50 >= v1.size())
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assert(false);
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assert(b == v1[50]);
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assert(!test_throws);
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#ifndef TEST_HAS_NO_EXCEPTIONS
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}
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catch (std::out_of_range&)
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{
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assert(test_throws);
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}
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#endif
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}
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int main()
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{
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test_test<0>(true);
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test_test<1>(true);
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test_test<31>(true);
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test_test<32>(true);
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test_test<33>(true);
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test_test<63>(false);
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test_test<64>(false);
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test_test<65>(false);
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test_test<1000>(false);
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}
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