#include <catch2/catch.hpp>
#include <zmq.hpp>

#if (__cplusplus >= 201703L)
static_assert(std::is_nothrow_swappable<zmq::context_t>::value,
 "context_t should be nothrow swappable");
#endif

TEST_CASE("context construct default and destroy", "[context]")
{
 zmq::context_t context;
}

TEST_CASE("context create, close and destroy", "[context]")
{
 zmq::context_t context;
 context.close();
 CHECK(NULL == context.handle());
}

TEST_CASE("context shutdown", "[context]")
{
 zmq::context_t context;
 context.shutdown();
 CHECK(NULL != context.handle());
 context.close();
 CHECK(NULL == context.handle());
}

TEST_CASE("context shutdown again", "[context]")
{
 zmq::context_t context;
 context.shutdown();
 context.shutdown();
 CHECK(NULL != context.handle());
 context.close();
 CHECK(NULL == context.handle());
}

#ifdef ZMQ_CPP11
TEST_CASE("context swap", "[context]")
{
 zmq::context_t context1;
 zmq::context_t context2;
 using std::swap;
 swap(context1, context2);
}

TEST_CASE("context - use socket after shutdown", "[context]")
{
 zmq::context_t context;
 zmq::socket_t sock(context, zmq::socket_type::rep);
 context.shutdown();
 try
 {
 sock.connect("inproc://test");
 zmq::message_t msg;
 (void)sock.recv(msg, zmq::recv_flags::dontwait);
 REQUIRE(false);
 }
 catch (const zmq::error_t& e)
 {
 REQUIRE(e.num() == ETERM);
 }
}

TEST_CASE("context set/get options", "[context]")
{
 zmq::context_t context;
#if defined(ZMQ_BLOCKY) && defined(ZMQ_IO_THREADS)
 context.set(zmq::ctxopt::blocky, false);
 context.set(zmq::ctxopt::io_threads, 5);
 CHECK(context.get(zmq::ctxopt::io_threads) == 5);
#endif

 CHECK_THROWS_AS(
 context.set(static_cast<zmq::ctxopt>(-42), 5),
 zmq::error_t);

 CHECK_THROWS_AS(
 context.get(static_cast<zmq::ctxopt>(-42)),
 zmq::error_t);
}
#endif