cxx/test/utilities/template.bitset/bitset.members/op_eq_eq.pass.cpp
2010-05-11 21:36:01 +00:00

1 line
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// test:
// bool operator==(const bitset<N>& rhs) const;
// bool operator!=(const bitset<N>& rhs) 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_equality()
{
const std::bitset<N> v1 = make_bitset<N>();
std::bitset<N> v2 = v1;
assert(v1 == v2);
if (N > 0)
{
v2[N/2].flip();
assert(v1 != v2);
}
}
int main()
{
test_equality<0>();
test_equality<1>();
test_equality<31>();
test_equality<32>();
test_equality<33>();
test_equality<63>();
test_equality<64>();
test_equality<65>();
test_equality<1000>();
}