bc8d3f97eb
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
1 line
1.2 KiB
C++
1 line
1.2 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>& flip(size_t pos);
|
|
|
|
#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_one()
|
|
{
|
|
std::bitset<N> v = make_bitset<N>();
|
|
try
|
|
{
|
|
v.flip(50);
|
|
bool b = v[50];
|
|
if (50 >= v.size())
|
|
assert(false);
|
|
assert(v[50] == b);
|
|
v.flip(50);
|
|
assert(v[50] != b);
|
|
v.flip(50);
|
|
assert(v[50] == b);
|
|
}
|
|
catch (std::out_of_range&)
|
|
{
|
|
}
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test_flip_one<0>();
|
|
test_flip_one<1>();
|
|
test_flip_one<31>();
|
|
test_flip_one<32>();
|
|
test_flip_one<33>();
|
|
test_flip_one<63>();
|
|
test_flip_one<64>();
|
|
test_flip_one<65>();
|
|
test_flip_one<1000>();
|
|
}
|