forked from OSchip/llvm-project
57 lines
1.5 KiB
C++
57 lines
1.5 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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// template <class charT>
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// explicit bitset(const charT* str,
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// typename basic_string<charT>::size_type n = basic_string<charT>::npos,
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// charT zero = charT('0'), charT one = charT('1'));
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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_char_pointer_ctor()
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{
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{
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try
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{
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std::bitset<N> v("xxx1010101010xxxx");
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assert(false);
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}
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catch (std::invalid_argument&)
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{
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}
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}
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{
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const char str[] ="1010101010";
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std::bitset<N> v(str);
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std::size_t M = std::min<std::size_t>(N, 10);
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for (std::size_t i = 0; i < M; ++i)
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assert(v[i] == (str[M - 1 - i] == '1'));
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for (std::size_t i = 10; 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_char_pointer_ctor<0>();
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test_char_pointer_ctor<1>();
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test_char_pointer_ctor<31>();
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test_char_pointer_ctor<32>();
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test_char_pointer_ctor<33>();
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test_char_pointer_ctor<63>();
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test_char_pointer_ctor<64>();
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test_char_pointer_ctor<65>();
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test_char_pointer_ctor<1000>();
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}
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