cxx/test/utilities/template.bitset/bitset.members/op_and_eq.pass.cpp

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//===----------------------------------------------------------------------===// // // 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&=(const bitset<N>& rhs); #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_op_and_eq() { std::bitset<N> v1 = make_bitset<N>(); std::bitset<N> v2 = make_bitset<N>(); std::bitset<N> v3 = v1; v1 &= v2; for (std::size_t i = 0; i < N; ++i) assert(v1[i] == (v3[i] && v2[i])); } int main() { test_op_and_eq<0>(); test_op_and_eq<1>(); test_op_and_eq<31>(); test_op_and_eq<32>(); test_op_and_eq<33>(); test_op_and_eq<63>(); test_op_and_eq<64>(); test_op_and_eq<65>(); test_op_and_eq<1000>(); }