// test_unix_dgram_socket.cpp
//
// Unit tests for the `unix_dgram_socket` class.
//

// --------------------------------------------------------------------------
// This file is part of the "sockpp" C++ socket library.
//
// Copyright (c) 2019 Frank Pagliughi
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
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// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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// --------------------------------------------------------------------------
//

#include "sockpp/unix_dgram_socket.h"
#include "catch2/catch.hpp"
#include <string>

using namespace sockpp;

// Test that we can create a Unix-domain datagram socket pair and send data
// from one of the sockets to the other.
TEST_CASE("unix dgram socket pair", "[unix_dgram_socket]") {
	unix_dgram_socket sock1, sock2;
	std::tie(sock1, sock2) = std::move(unix_dgram_socket::pair());

	REQUIRE(sock1);
	REQUIRE(sock2);

	REQUIRE(sock1.is_open());
	REQUIRE(sock2.is_open());

	const std::string MSG { "Hello there!" };
	const size_t N = MSG.length();

	char buf[512];

	REQUIRE(sock1.send(MSG) == N);
	REQUIRE(sock2.recv(buf, N) == N);

	std::string msg { buf, buf+N };
	REQUIRE(msg == MSG);
}