cxx/test/utilities/template.bitset/bitset.members/right_shift.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

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1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// test bitset<N> operator>>(size_t pos) const;
#include <bitset>
#include <cstdlib>
#include <cassert>
template <std::size_t N>
std::bitset<N>
make_bitset()
{
std::bitset<N> v;
for (std::size_t i = 0; i < N; ++i)
v[i] = static_cast<bool>(std::rand() & 1);
return v;
}
template <std::size_t N>
void test_right_shift()
{
for (std::size_t s = 0; s <= N+1; ++s)
{
std::bitset<N> v1 = make_bitset<N>();
std::bitset<N> v2 = v1;
assert((v1 >>= s) == (v2 >> s));
}
}
int main()
{
test_right_shift<0>();
test_right_shift<1>();
test_right_shift<31>();
test_right_shift<32>();
test_right_shift<33>();
test_right_shift<63>();
test_right_shift<64>();
test_right_shift<65>();
test_right_shift<1000>();
}