diff options
Diffstat (limited to 'libcxx/test/utilities/template.bitset/bitset.members/left_shift_eq.pass.cpp')
| -rw-r--r-- | libcxx/test/utilities/template.bitset/bitset.members/left_shift_eq.pass.cpp | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/libcxx/test/utilities/template.bitset/bitset.members/left_shift_eq.pass.cpp b/libcxx/test/utilities/template.bitset/bitset.members/left_shift_eq.pass.cpp index 8ea0981c525..340921db5d0 100644 --- a/libcxx/test/utilities/template.bitset/bitset.members/left_shift_eq.pass.cpp +++ b/libcxx/test/utilities/template.bitset/bitset.members/left_shift_eq.pass.cpp @@ -1 +1,53 @@ -//===----------------------------------------------------------------------===//
//
// The 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);
#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_left_shift()
{
for (std::size_t s = 0; s <= N+1; ++s)
{
std::bitset<N> v1 = make_bitset<N>();
std::bitset<N> v2 = v1;
v1 <<= s;
for (std::size_t i = 0; i < N; ++i)
if (i < s)
assert(v1[i] == 0);
else
assert(v1[i] == v2[i-s]);
}
}
int main()
{
test_left_shift<0>();
test_left_shift<1>();
test_left_shift<31>();
test_left_shift<32>();
test_left_shift<33>();
test_left_shift<63>();
test_left_shift<64>();
test_left_shift<65>();
test_left_shift<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>& 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_left_shift() +{ + for (std::size_t s = 0; s <= N+1; ++s) + { + std::bitset<N> v1 = make_bitset<N>(); + std::bitset<N> v2 = v1; + v1 <<= s; + for (std::size_t i = 0; i < N; ++i) + if (i < s) + assert(v1[i] == 0); + else + assert(v1[i] == v2[i-s]); + } +} + +int main() +{ + test_left_shift<0>(); + test_left_shift<1>(); + test_left_shift<31>(); + test_left_shift<32>(); + test_left_shift<33>(); + test_left_shift<63>(); + test_left_shift<64>(); + test_left_shift<65>(); + test_left_shift<1000>(); +} |

