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#include <catch2/catch.hpp>
#include <zmq_addon.hpp>
#ifdef ZMQ_CPP11
TEST_CASE("recv_multipart test", "[recv_multipart]")
{
zmq::context_t context(1);
zmq::socket_t output(context, ZMQ_PAIR);
zmq::socket_t input(context, ZMQ_PAIR);
output.bind("inproc://multipart.test");
input.connect("inproc://multipart.test");
SECTION("send 1 message") {
input.send(zmq::str_buffer("hello"));
std::vector<zmq::message_t> msgs;
auto ret = zmq::recv_multipart(output, std::back_inserter(msgs));
REQUIRE(ret);
CHECK(*ret == 1);
REQUIRE(msgs.size() == 1);
CHECK(msgs[0].size() == 5);
}
SECTION("send 2 messages") {
input.send(zmq::str_buffer("hello"), zmq::send_flags::sndmore);
input.send(zmq::str_buffer("world!"));
std::vector<zmq::message_t> msgs;
auto ret = zmq::recv_multipart(output, std::back_inserter(msgs));
REQUIRE(ret);
CHECK(*ret == 2);
REQUIRE(msgs.size() == 2);
CHECK(msgs[0].size() == 5);
CHECK(msgs[1].size() == 6);
}
SECTION("send no messages, dontwait") {
std::vector<zmq::message_t> msgs;
auto ret = zmq::recv_multipart(output, std::back_inserter(msgs),
zmq::recv_flags::dontwait);
CHECK_FALSE(ret);
REQUIRE(msgs.size() == 0);
}
SECTION("send 1 partial message, dontwait") {
input.send(zmq::str_buffer("hello"), zmq::send_flags::sndmore);
std::vector<zmq::message_t> msgs;
auto ret = zmq::recv_multipart(output, std::back_inserter(msgs),
zmq::recv_flags::dontwait);
CHECK_FALSE(ret);
REQUIRE(msgs.size() == 0);
}
SECTION("recv with invalid socket") {
std::vector<zmq::message_t> msgs;
CHECK_THROWS_AS(
zmq::recv_multipart(zmq::socket_ref(), std::back_inserter(msgs)),
zmq::error_t);
}
}
TEST_CASE("recv_multipart_n test", "[recv_multipart]")
{
zmq::context_t context(1);
zmq::socket_t output(context, ZMQ_PAIR);
zmq::socket_t input(context, ZMQ_PAIR);
output.bind("inproc://multipart.test");
input.connect("inproc://multipart.test");
SECTION("send 1 message") {
input.send(zmq::str_buffer("hello"));
std::array<zmq::message_t, 1> msgs;
auto ret = zmq::recv_multipart_n(output, msgs.data(), msgs.size());
REQUIRE(ret);
CHECK(*ret == 1);
CHECK(msgs[0].size() == 5);
}
SECTION("send 1 message 2") {
input.send(zmq::str_buffer("hello"));
std::array<zmq::message_t, 2> msgs;
auto ret = zmq::recv_multipart_n(output, msgs.data(), msgs.size());
REQUIRE(ret);
CHECK(*ret == 1);
CHECK(msgs[0].size() == 5);
CHECK(msgs[1].size() == 0);
}
SECTION("send 2 messages, recv 1") {
input.send(zmq::str_buffer("hello"), zmq::send_flags::sndmore);
input.send(zmq::str_buffer("world!"));
std::array<zmq::message_t, 1> msgs;
CHECK_THROWS_AS(
zmq::recv_multipart_n(output, msgs.data(), msgs.size()),
std::runtime_error);
}
SECTION("recv 0") {
input.send(zmq::str_buffer("hello"), zmq::send_flags::sndmore);
input.send(zmq::str_buffer("world!"));
std::array<zmq::message_t, 1> msgs;
CHECK_THROWS_AS(
zmq::recv_multipart_n(output, msgs.data(), 0),
std::runtime_error);
}
SECTION("send 2 messages") {
input.send(zmq::str_buffer("hello"), zmq::send_flags::sndmore);
input.send(zmq::str_buffer("world!"));
std::array<zmq::message_t, 2> msgs;
auto ret = zmq::recv_multipart_n(output, msgs.data(), msgs.size());
REQUIRE(ret);
CHECK(*ret == 2);
CHECK(msgs[0].size() == 5);
CHECK(msgs[1].size() == 6);
}
SECTION("send no messages, dontwait") {
std::array<zmq::message_t, 1> msgs;
auto ret = zmq::recv_multipart_n(output, msgs.data(), msgs.size(),
zmq::recv_flags::dontwait);
CHECK_FALSE(ret);
REQUIRE(msgs[0].size() == 0);
}
SECTION("send 1 partial message, dontwait") {
input.send(zmq::str_buffer("hello"), zmq::send_flags::sndmore);
std::array<zmq::message_t, 1> msgs;
auto ret = zmq::recv_multipart_n(output, msgs.data(), msgs.size(),
zmq::recv_flags::dontwait);
CHECK_FALSE(ret);
REQUIRE(msgs[0].size() == 0);
}
SECTION("recv with invalid socket") {
std::array<zmq::message_t, 1> msgs;
CHECK_THROWS_AS(
zmq::recv_multipart_n(zmq::socket_ref(), msgs.data(), msgs.size()),
zmq::error_t);
}
}
#endif
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