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44 lines
997 B
44 lines
997 B
//===----------------------------------------------------------------------===//
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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 bool all() const;
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#include <bitset>
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#include <type_traits>
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#include <cassert>
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template <std::size_t N>
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void test_all()
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{
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std::bitset<N> v;
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v.reset();
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assert(v.all() == (N == 0));
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v.set();
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assert(v.all() == true);
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const bool greater_than_1 = std::integral_constant<bool, (N > 1)>::value; // avoid compiler warnings
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if (greater_than_1)
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{
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v[N/2] = false;
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assert(v.all() == false);
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}
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}
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int main()
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{
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test_all<0>();
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test_all<1>();
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test_all<31>();
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test_all<32>();
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test_all<33>();
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test_all<63>();
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test_all<64>();
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test_all<65>();
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test_all<1000>();
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}
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