reactos/modules/rostests/apitests/ws2_32/ioctlsocket.c

/*
 * PROJECT:         ReactOS api tests
 * LICENSE:         GPL - See COPYING in the top level directory
 * PURPOSE:         Test for ioctlsocket
 * PROGRAMMERS:     Colin Finck
 */

#include "ws2_32.h"

int Test_ioctlsocket()
{
    LPSTR pszBuf;
    int iResult;
    SOCKET sck;
    ULONG BytesAvailable;
    ULONG BytesToRead;
    WSADATA wdata;

    /* Start up Winsock */
    iResult = WSAStartup(MAKEWORD(2, 2), &wdata);
    ok(iResult == 0, "WSAStartup failed. iResult = %d\n", iResult);

    /* If we call ioctlsocket without a socket, it should return with an error and do nothing. */
    BytesAvailable = 0xdeadbeef;
    iResult = ioctlsocket(0, FIONREAD, &BytesAvailable);
    ok(iResult == SOCKET_ERROR, "iResult = %d\n", iResult);
    ok(BytesAvailable == 0xdeadbeef, "BytesAvailable = %ld\n", BytesAvailable);

    /* Create the socket */
    if (!CreateSocket(&sck))
    {
        ok(0, "CreateSocket failed. Aborting test.\n");
        return 0;
    }

    /* Now we can pass at least a socket, but we have no connection yet. The function should return 0. */
    BytesAvailable = 0xdeadbeef;
    iResult = ioctlsocket(sck, FIONREAD, &BytesAvailable);
    ok(iResult == 0, "iResult = %d\n", iResult);
    ok(BytesAvailable == 0, "BytesAvailable = %ld\n", BytesAvailable);

    /* Connect to "www.reactos.org" */
    if (!ConnectToReactOSWebsite(sck))
    {
        ok(0, "ConnectToReactOSWebsite failed. Aborting test.\n");
        return 0;
    }

    /* Even with a connection, there shouldn't be any bytes available. */
    iResult = ioctlsocket(sck, FIONREAD, &BytesAvailable);
    ok(iResult == 0, "iResult = %d\n", iResult);
    ok(BytesAvailable == 0, "BytesAvailable = %ld\n", BytesAvailable);

    /* Send the GET request */
    if (!GetRequestAndWait(sck))
    {
        ok(0, "GetRequestAndWait failed. Aborting test.\n");
        return 0;
    }

    /* Try ioctlsocket with FIONREAD. There should be bytes available now. */
    SCKTEST(ioctlsocket(sck, FIONREAD, &BytesAvailable));
    ok(BytesAvailable != 0, "BytesAvailable = %ld\n", BytesAvailable);

    /* Get half of the data */
    BytesToRead = BytesAvailable / 2;
    pszBuf = (LPSTR) HeapAlloc(GetProcessHeap(), 0, BytesToRead);
    SCKTEST(recv(sck, pszBuf, BytesToRead, 0));
    HeapFree(GetProcessHeap(), 0, pszBuf);

    BytesToRead = BytesAvailable - BytesToRead;

    /* Now try ioctlsocket again. BytesAvailable should be at the value saved in BytesToRead now. */
    SCKTEST(ioctlsocket(sck, FIONREAD, &BytesAvailable));
    ok(BytesAvailable == BytesToRead, "BytesAvailable = %ld\n", BytesAvailable);

    /* Read those bytes */
    pszBuf = (LPSTR) HeapAlloc(GetProcessHeap(), 0, BytesToRead);
    SCKTEST(recv(sck, pszBuf, BytesToRead, 0));
    HeapFree(GetProcessHeap(), 0, pszBuf);

    /* Try it for the last time. BytesAvailable should be at 0 now. */
    SCKTEST(ioctlsocket(sck, FIONREAD, &BytesAvailable));
    ok(BytesAvailable == 0, "BytesAvailable = %ld\n", BytesAvailable);

    closesocket(sck);
    WSACleanup();
    return 1;
}

START_TEST(ioctlsocket)
{
    Test_ioctlsocket();
}