diff options
Diffstat (limited to 'libcxx/test/utilities/template.bitset/bitset.members/index.pass.cpp')
| -rw-r--r-- | libcxx/test/utilities/template.bitset/bitset.members/index.pass.cpp | 66 |
1 files changed, 65 insertions, 1 deletions
diff --git a/libcxx/test/utilities/template.bitset/bitset.members/index.pass.cpp b/libcxx/test/utilities/template.bitset/bitset.members/index.pass.cpp index b18489037eb..c346a3fb00d 100644 --- a/libcxx/test/utilities/template.bitset/bitset.members/index.pass.cpp +++ b/libcxx/test/utilities/template.bitset/bitset.members/index.pass.cpp @@ -1 +1,65 @@ -//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// test bitset<N>::reference operator[](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_index_const()
{
std::bitset<N> v1 = make_bitset<N>();
if (N > 0)
{
assert(v1[N/2] == v1.test(N/2));
typename std::bitset<N>::reference r = v1[N/2];
assert(r == v1.test(N/2));
typename std::bitset<N>::reference r2 = v1[N/2];
r = r2;
assert(r == v1.test(N/2));
r = false;
assert(r == false);
assert(v1.test(N/2) == false);
r = true;
assert(r == true);
assert(v1.test(N/2) == true);
bool b = ~r;
assert(r == true);
assert(v1.test(N/2) == true);
assert(b == false);
r.flip();
assert(r == false);
assert(v1.test(N/2) == false);
}
}
int main()
{
test_index_const<0>();
test_index_const<1>();
test_index_const<31>();
test_index_const<32>();
test_index_const<33>();
test_index_const<63>();
test_index_const<64>();
test_index_const<65>();
test_index_const<1000>();
}
\ No newline at end of file +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// test bitset<N>::reference operator[](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_index_const() +{ + std::bitset<N> v1 = make_bitset<N>(); + if (N > 0) + { + assert(v1[N/2] == v1.test(N/2)); + typename std::bitset<N>::reference r = v1[N/2]; + assert(r == v1.test(N/2)); + typename std::bitset<N>::reference r2 = v1[N/2]; + r = r2; + assert(r == v1.test(N/2)); + r = false; + assert(r == false); + assert(v1.test(N/2) == false); + r = true; + assert(r == true); + assert(v1.test(N/2) == true); + bool b = ~r; + assert(r == true); + assert(v1.test(N/2) == true); + assert(b == false); + r.flip(); + assert(r == false); + assert(v1.test(N/2) == false); + } +} + +int main() +{ + test_index_const<0>(); + test_index_const<1>(); + test_index_const<31>(); + test_index_const<32>(); + test_index_const<33>(); + test_index_const<63>(); + test_index_const<64>(); + test_index_const<65>(); + test_index_const<1000>(); +} |

