cppzmq/tests/socket_ref.cpp
2024-03-05 18:56:14 +08:00

119 lines
2.9 KiB
C++

#include <catch2/catch_all.hpp>
#include <zmq.hpp>
#ifdef ZMQ_CPP11
#ifdef ZMQ_CPP17
static_assert(std::is_nothrow_swappable_v<zmq::socket_ref>);
#endif
static_assert(sizeof(zmq::socket_ref) == sizeof(void *), "size mismatch");
static_assert(alignof(zmq::socket_ref) == alignof(void *), "alignment mismatch");
static_assert(ZMQ_IS_TRIVIALLY_COPYABLE(zmq::socket_ref),
"needs to be trivially copyable");
TEST_CASE("socket_ref default init", "[socket_ref]")
{
zmq::socket_ref sr;
CHECK(!sr);
CHECK(sr == nullptr);
CHECK(nullptr == sr);
CHECK(sr.handle() == nullptr);
}
TEST_CASE("socket_ref create from nullptr", "[socket_ref]")
{
zmq::socket_ref sr = nullptr;
CHECK(sr == nullptr);
CHECK(sr.handle() == nullptr);
}
TEST_CASE("socket_ref create from handle", "[socket_ref]")
{
void *np = nullptr;
zmq::socket_ref sr{zmq::from_handle, np};
CHECK(sr == nullptr);
CHECK(sr.handle() == nullptr);
}
TEST_CASE("socket_ref compare", "[socket_ref]")
{
zmq::socket_ref sr1;
zmq::socket_ref sr2;
CHECK(sr1 == sr2);
CHECK(!(sr1 != sr2));
}
TEST_CASE("socket_ref compare from socket_t", "[socket_ref]")
{
zmq::context_t context;
zmq::socket_t s1(context, zmq::socket_type::router);
zmq::socket_t s2(context, zmq::socket_type::dealer);
zmq::socket_ref sr1 = s1;
zmq::socket_ref sr2 = s2;
CHECK(sr1);
CHECK(sr2);
CHECK(sr1 == s1);
CHECK(sr2 == s2);
CHECK(sr1.handle() == s1.handle());
CHECK(sr1 != sr2);
CHECK(sr1.handle() != sr2.handle());
CHECK(sr1 != nullptr);
CHECK(nullptr != sr1);
CHECK(sr2 != nullptr);
const bool comp1 = (sr1 < sr2) != (sr1 >= sr2);
CHECK(comp1);
const bool comp2 = (sr1 > sr2) != (sr1 <= sr2);
CHECK(comp2);
std::hash<zmq::socket_ref> hash;
CHECK(hash(sr1) != hash(sr2));
CHECK(hash(sr1) == hash(s1));
}
TEST_CASE("socket_ref assignment", "[socket_ref]")
{
zmq::context_t context;
zmq::socket_t s1(context, zmq::socket_type::router);
zmq::socket_t s2(context, zmq::socket_type::dealer);
zmq::socket_ref sr1 = s1;
zmq::socket_ref sr2 = s2;
sr1 = s2;
CHECK(sr1 == sr2);
CHECK(sr1.handle() == sr2.handle());
sr1 = std::move(sr2);
CHECK(sr1 == sr2);
CHECK(sr1.handle() == sr2.handle());
sr2 = nullptr;
CHECK(sr1 != sr2);
sr1 = nullptr;
CHECK(sr1 == sr2);
}
TEST_CASE("socket_ref swap", "[socket_ref]")
{
zmq::socket_ref sr1;
zmq::socket_ref sr2;
using std::swap;
swap(sr1, sr2);
}
TEST_CASE("socket_ref type punning", "[socket_ref]")
{
struct SVP
{
void *p;
} svp;
struct SSR
{
zmq::socket_ref sr;
} ssr;
zmq::context_t context;
zmq::socket_t socket(context, zmq::socket_type::router);
CHECK(socket.handle() != nullptr);
svp.p = socket.handle();
// static_cast to silence incorrect warning
std::memcpy(static_cast<void *>(&ssr), &svp, sizeof(ssr));
CHECK(ssr.sr == socket);
}
#endif