cppzmq/tests/socket.cpp
2019-05-09 22:33:49 +00:00

284 lines
7.9 KiB
C++

#include <catch.hpp>
#include <zmq.hpp>
#ifdef ZMQ_CPP11
#include <future>
#endif
#if (__cplusplus >= 201703L)
static_assert(std::is_nothrow_swappable<zmq::socket_t>::value,
"socket_t should be nothrow swappable");
#endif
TEST_CASE("socket default ctor", "[socket]")
{
zmq::socket_t socket;
}
TEST_CASE("socket create destroy", "[socket]")
{
zmq::context_t context;
zmq::socket_t socket(context, ZMQ_ROUTER);
}
#ifdef ZMQ_CPP11
TEST_CASE("socket create assign", "[socket]")
{
zmq::context_t context;
zmq::socket_t socket(context, ZMQ_ROUTER);
CHECK(static_cast<bool>(socket));
CHECK(socket.handle() != nullptr);
socket = {};
CHECK(!static_cast<bool>(socket));
CHECK(socket.handle() == nullptr);
}
TEST_CASE("socket create by enum and destroy", "[socket]")
{
zmq::context_t context;
zmq::socket_t socket(context, zmq::socket_type::router);
}
TEST_CASE("socket swap", "[socket]")
{
zmq::context_t context;
zmq::socket_t socket1(context, zmq::socket_type::router);
zmq::socket_t socket2(context, zmq::socket_type::dealer);
using std::swap;
swap(socket1, socket2);
}
TEST_CASE("socket flags", "[socket]")
{
CHECK((zmq::recv_flags::dontwait | zmq::recv_flags::none)
== static_cast<zmq::recv_flags>(ZMQ_DONTWAIT | 0));
CHECK((zmq::recv_flags::dontwait & zmq::recv_flags::none)
== static_cast<zmq::recv_flags>(ZMQ_DONTWAIT & 0));
CHECK((zmq::recv_flags::dontwait ^ zmq::recv_flags::none)
== static_cast<zmq::recv_flags>(ZMQ_DONTWAIT ^ 0));
CHECK(~zmq::recv_flags::dontwait == static_cast<zmq::recv_flags>(~ZMQ_DONTWAIT));
CHECK((zmq::send_flags::dontwait | zmq::send_flags::sndmore)
== static_cast<zmq::send_flags>(ZMQ_DONTWAIT | ZMQ_SNDMORE));
CHECK((zmq::send_flags::dontwait & zmq::send_flags::sndmore)
== static_cast<zmq::send_flags>(ZMQ_DONTWAIT & ZMQ_SNDMORE));
CHECK((zmq::send_flags::dontwait ^ zmq::send_flags::sndmore)
== static_cast<zmq::send_flags>(ZMQ_DONTWAIT ^ ZMQ_SNDMORE));
CHECK(~zmq::send_flags::dontwait == static_cast<zmq::send_flags>(~ZMQ_DONTWAIT));
}
TEST_CASE("socket readme example", "[socket]")
{
zmq::context_t ctx;
zmq::socket_t sock(ctx, zmq::socket_type::push);
sock.bind("inproc://test");
const std::string m = "Hello, world";
sock.send(zmq::buffer(m), zmq::send_flags::dontwait);
}
#endif
TEST_CASE("socket sends and receives const buffer", "[socket]")
{
zmq::context_t context;
zmq::socket_t sender(context, ZMQ_PAIR);
zmq::socket_t receiver(context, ZMQ_PAIR);
receiver.bind("inproc://test");
sender.connect("inproc://test");
const char* str = "Hi";
#ifdef ZMQ_CPP11
CHECK(2 == sender.send(zmq::buffer(str, 2)).size);
char buf[2];
const auto res = receiver.recv(zmq::buffer(buf));
CHECK(!res.truncated());
CHECK(2 == res.size);
#else
CHECK(2 == sender.send(str, 2));
char buf[2];
CHECK(2 == receiver.recv(buf, 2));
#endif
CHECK(0 == memcmp(buf, str, 2));
}
#ifdef ZMQ_CPP11
TEST_CASE("socket send none sndmore", "[socket]")
{
zmq::context_t context;
zmq::socket_t s(context, zmq::socket_type::router);
s.bind("inproc://test");
std::vector<char> buf(4);
auto res = s.send(zmq::buffer(buf), zmq::send_flags::sndmore);
CHECK(res.size == buf.size());
CHECK(res.success);
res = s.send(zmq::buffer(buf));
CHECK(res.size == buf.size());
CHECK(res.success);
}
TEST_CASE("socket send dontwait", "[socket]")
{
zmq::context_t context;
zmq::socket_t s(context, zmq::socket_type::push);
s.bind("inproc://test");
std::vector<char> buf(4);
auto res = s.send(zmq::buffer(buf), zmq::send_flags::dontwait);
CHECK(!res.success);
CHECK(res.size == 0);
res = s.send(zmq::buffer(buf),
zmq::send_flags::dontwait | zmq::send_flags::sndmore);
CHECK(!res.success);
CHECK(res.size == 0);
zmq::message_t msg;
auto resm = s.send(msg, zmq::send_flags::dontwait);
CHECK(!resm.success);
CHECK(resm.size == 0);
CHECK(msg.size() == 0);
}
TEST_CASE("socket send exception", "[socket]")
{
zmq::context_t context;
zmq::socket_t s(context, zmq::socket_type::pull);
s.bind("inproc://test");
std::vector<char> buf(4);
CHECK_THROWS_AS(s.send(zmq::buffer(buf)), const zmq::error_t &);
}
TEST_CASE("socket recv none", "[socket]")
{
zmq::context_t context;
zmq::socket_t s(context, zmq::socket_type::pair);
zmq::socket_t s2(context, zmq::socket_type::pair);
s2.bind("inproc://test");
s.connect("inproc://test");
std::vector<char> sbuf(4);
const auto res_send = s2.send(zmq::buffer(sbuf));
CHECK(res_send.success);
std::vector<char> buf(2);
const auto res = s.recv(zmq::buffer(buf));
CHECK(res.success);
CHECK(res.truncated());
CHECK(res.untruncated_size == sbuf.size());
CHECK(res.size == buf.size());
const auto res_send2 = s2.send(zmq::buffer(sbuf));
CHECK(res_send2.success);
std::vector<char> buf2(10);
const auto res2 = s.recv(zmq::buffer(buf2));
CHECK(res2.success);
CHECK(!res2.truncated());
CHECK(res2.untruncated_size == sbuf.size());
CHECK(res2.size == sbuf.size());
}
TEST_CASE("socket send recv message_t", "[socket]")
{
zmq::context_t context;
zmq::socket_t s(context, zmq::socket_type::pair);
zmq::socket_t s2(context, zmq::socket_type::pair);
s2.bind("inproc://test");
s.connect("inproc://test");
zmq::message_t smsg(size_t{10});
const auto res_send = s2.send(smsg, zmq::send_flags::none);
CHECK(res_send.success);
CHECK(res_send.size == 10);
CHECK(smsg.size() == 0);
zmq::message_t rmsg;
const auto res = s.recv(rmsg);
CHECK(res.success);
CHECK(res.size == 10);
CHECK(rmsg.size() == res.size);
}
TEST_CASE("socket recv dontwait", "[socket]")
{
zmq::context_t context;
zmq::socket_t s(context, zmq::socket_type::pull);
s.bind("inproc://test");
std::vector<char> buf(4);
constexpr auto flags = zmq::recv_flags::none | zmq::recv_flags::dontwait;
auto res = s.recv(zmq::buffer(buf), flags);
CHECK(!res.success);
CHECK(res.size == 0);
zmq::message_t msg;
auto resm = s.recv(msg, flags);
CHECK(!resm.success);
CHECK(resm.size == 0);
CHECK(msg.size() == 0);
}
TEST_CASE("socket recv exception", "[socket]")
{
zmq::context_t context;
zmq::socket_t s(context, zmq::socket_type::push);
s.bind("inproc://test");
std::vector<char> buf(4);
CHECK_THROWS_AS(s.recv(zmq::buffer(buf)), const zmq::error_t &);
}
TEST_CASE("socket proxy", "[socket]")
{
zmq::context_t context;
zmq::socket_t front(context, ZMQ_ROUTER);
zmq::socket_t back(context, ZMQ_ROUTER);
zmq::socket_t capture(context, ZMQ_DEALER);
front.bind("inproc://test1");
back.bind("inproc://test2");
capture.bind("inproc://test3");
auto f = std::async(std::launch::async, [&]() {
auto s1 = std::move(front);
auto s2 = std::move(back);
auto s3 = std::move(capture);
try
{
zmq::proxy(s1, s2, zmq::socket_ref(s3));
}
catch (const zmq::error_t& e)
{
return e.num() == ETERM;
}
return false;
});
context.close();
CHECK(f.get());
}
TEST_CASE("socket proxy steerable", "[socket]")
{
zmq::context_t context;
zmq::socket_t front(context, ZMQ_ROUTER);
zmq::socket_t back(context, ZMQ_ROUTER);
zmq::socket_t control(context, ZMQ_SUB);
front.bind("inproc://test1");
back.bind("inproc://test2");
control.connect("inproc://test3");
auto f = std::async(std::launch::async, [&]() {
auto s1 = std::move(front);
auto s2 = std::move(back);
auto s3 = std::move(control);
try
{
zmq::proxy_steerable(s1, s2, zmq::socket_ref(), s3);
}
catch (const zmq::error_t& e)
{
return e.num() == ETERM;
}
return false;
});
context.close();
CHECK(f.get());
}
#endif