48b4c725
 Peter M. Groen
Setting up Socket-pp
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// test_tcp_socket.cpp
//
// Unit tests for the `tcp_socket` class(es).
//
// --------------------------------------------------------------------------
// 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.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 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.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// --------------------------------------------------------------------------
//
#include "sockpp/tcp_socket.h"
#include "sockpp/tcp_connector.h"
#include "sockpp/tcp_acceptor.h"
#include "catch2/catch.hpp"
#include <string>
using namespace sockpp;
static const in_port_t TEST_PORT = 12345;
TEST_CASE("tcp_socket default constructor", "[tcp_socket]") {
tcp_socket sock;
REQUIRE(!sock);
REQUIRE(!sock.is_open());
//REQUIRE(sock.family() == AF_INET);
}
TEST_CASE("tcp_socket handle constructor", "[tcp_socket]") {
constexpr auto HANDLE = socket_t(3);
SECTION("valid handle") {
tcp_socket sock(HANDLE);
REQUIRE(sock);
REQUIRE(sock.is_open());
//REQUIRE(sock.family() == AF_INET);
}
SECTION("invalid handle") {
tcp_socket sock(INVALID_SOCKET);
REQUIRE(!sock);
REQUIRE(!sock.is_open());
// TODO: Should this set an error?
REQUIRE(sock.last_error() == 0);
//REQUIRE(sock.family() == AF_INET);
}
}
// --------------------------------------------------------------------------
// Connected tests
TEST_CASE("tcp_socket read/write", "[stream_socket]") {
const std::string STR { "This is a test. This is only a test." };
const size_t N = STR.length();
inet_address addr { "localhost", TEST_PORT };
tcp_acceptor asock{ addr };
tcp_connector csock;
csock.set_non_blocking();
REQUIRE(csock.connect(addr));
auto ssock = asock.accept();
REQUIRE(ssock);
SECTION("read_n/write_n") {
char buf[512]; // N
REQUIRE(csock.write_n(STR.data(), N) == N);
REQUIRE(ssock.read_n(buf, N) == N);
std::string str { buf, buf+N };
REQUIRE(str == STR);
char buf2[512]; // N
// string write is a write_n()
REQUIRE(csock.write(STR) == N);
REQUIRE(ssock.read_n(buf2, N) == N);
std::string str2 { buf2, buf2+N };
REQUIRE(str2 == STR);
}
SECTION("scatter/gather") {
const std::string HEADER { "<start>" },
FOOTER { "<end>" };
const size_t N_HEADER = HEADER.length(),
N_FOOTER = FOOTER.length(),
N_TOT = N_HEADER + N + N_FOOTER;
std::vector<iovec> outv {
iovec { (void*) HEADER.data(), N_HEADER },
iovec { (void*) STR.data(), N },
iovec { (void*) FOOTER.data(), N_FOOTER }
};
char hbuf[512], // N_HEADER
buf[512], // N
fbuf[512]; // N_FOOTER
std::vector<iovec> inv {
iovec { (void*) hbuf, N_HEADER },
iovec { (void*) buf, N },
iovec { (void*) fbuf, N_FOOTER }
};
REQUIRE(csock.write(outv) == N_TOT);
REQUIRE(csock.write(outv) == N_TOT);
REQUIRE(csock.write(outv) == N_TOT);
REQUIRE(ssock.read(inv) == N_TOT);
REQUIRE(std::string(hbuf, N_HEADER) == HEADER);
REQUIRE(std::string(buf, N) == STR);
REQUIRE(std::string(fbuf, N_FOOTER) == FOOTER);
}
}
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