f5256e16df
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
1 line
1.0 KiB
C++
1 line
1.0 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// test bitset<N>& flip();
|
|
|
|
#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_flip_all()
|
|
{
|
|
std::bitset<N> v1 = make_bitset<N>();
|
|
std::bitset<N> v2 = v1;
|
|
v2.flip();
|
|
for (std::size_t i = 0; i < N; ++i)
|
|
assert(v2[i] == ~v1[i]);
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test_flip_all<0>();
|
|
test_flip_all<1>();
|
|
test_flip_all<31>();
|
|
test_flip_all<32>();
|
|
test_flip_all<33>();
|
|
test_flip_all<63>();
|
|
test_flip_all<64>();
|
|
test_flip_all<65>();
|
|
test_flip_all<1000>();
|
|
}
|