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291 lines
11 KiB
C
Executable file
291 lines
11 KiB
C
Executable file
/*
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* Mailslot regression test
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*
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* Copyright 2003 Mike McCormack
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <windef.h>
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#include <winbase.h>
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#include "wine/test.h"
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static const char szmspath[] = "\\\\.\\mailslot\\wine_mailslot_test";
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static int mailslot_test(void)
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{
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HANDLE hSlot, hSlot2, hWriter, hWriter2;
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unsigned char buffer[16];
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DWORD count, dwMax, dwNext, dwMsgCount, dwTimeout;
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/* sanity check on GetMailslotInfo */
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dwMax = dwNext = dwMsgCount = dwTimeout = 0;
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ok( !GetMailslotInfo( INVALID_HANDLE_VALUE, &dwMax, &dwNext,
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&dwMsgCount, &dwTimeout ), "getmailslotinfo succeeded\n");
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/* open a mailslot that doesn't exist */
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hWriter = CreateFile(szmspath, GENERIC_READ|GENERIC_WRITE,
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FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
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ok( hWriter == INVALID_HANDLE_VALUE, "nonexistent mailslot\n");
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/* open a mailslot without the right name */
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hSlot = CreateMailslot( "blah", 0, 0, NULL );
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ok( hSlot == INVALID_HANDLE_VALUE,
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"Created mailslot with invalid name\n");
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ok( GetLastError() == ERROR_INVALID_NAME,
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"error should be ERROR_INVALID_NAME\n");
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/* open a mailslot with a null name */
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hSlot = CreateMailslot( NULL, 0, 0, NULL );
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ok( hSlot == INVALID_HANDLE_VALUE,
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"Created mailslot with invalid name\n");
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ok( GetLastError() == ERROR_PATH_NOT_FOUND,
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"error should be ERROR_PATH_NOT_FOUND\n");
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/* valid open, but with wacky parameters ... then check them */
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hSlot = CreateMailslot( szmspath, -1, -1, NULL );
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ok( hSlot != INVALID_HANDLE_VALUE , "mailslot with valid name failed\n");
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dwMax = dwNext = dwMsgCount = dwTimeout = 0;
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ok( GetMailslotInfo( hSlot, &dwMax, &dwNext, &dwMsgCount, &dwTimeout ),
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"getmailslotinfo failed\n");
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ok( dwMax == ~0UL, "dwMax incorrect\n");
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ok( dwNext == MAILSLOT_NO_MESSAGE, "dwNext incorrect\n");
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ok( dwMsgCount == 0, "dwMsgCount incorrect\n");
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ok( dwTimeout == ~0UL, "dwTimeout incorrect\n");
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ok( GetMailslotInfo( hSlot, NULL, NULL, NULL, NULL ),
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"getmailslotinfo failed\n");
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ok( CloseHandle(hSlot), "failed to close mailslot\n");
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/* now open it for real */
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hSlot = CreateMailslot( szmspath, 0, 0, NULL );
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ok( hSlot != INVALID_HANDLE_VALUE , "valid mailslot failed\n");
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/* try and read/write to it */
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count = 0;
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memset(buffer, 0, sizeof buffer);
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ok( !ReadFile( hSlot, buffer, sizeof buffer, &count, NULL),
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"slot read\n");
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ok( !WriteFile( hSlot, buffer, sizeof buffer, &count, NULL),
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"slot write\n");
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/* now try and openthe client, but with the wrong sharing mode */
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hWriter = CreateFile(szmspath, GENERIC_READ|GENERIC_WRITE,
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0, NULL, OPEN_EXISTING, 0, NULL);
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ok( hWriter == INVALID_HANDLE_VALUE, "bad sharing mode\n");
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ok( GetLastError() == ERROR_SHARING_VIOLATION,
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"error should be ERROR_SHARING_VIOLATION\n");
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/* now open the client with the correct sharing mode */
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hWriter = CreateFile(szmspath, GENERIC_READ|GENERIC_WRITE,
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FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
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ok( hWriter != INVALID_HANDLE_VALUE, "existing mailslot\n");
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/*
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* opening a client should make no difference to
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* whether we can read or write the mailslot
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*/
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ok( !ReadFile( hSlot, buffer, sizeof buffer/2, &count, NULL),
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"slot read\n");
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ok( !WriteFile( hSlot, buffer, sizeof buffer/2, &count, NULL),
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"slot write\n");
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/*
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* we can't read from this client,
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* but we should be able to write to it
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*/
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ok( !ReadFile( hWriter, buffer, sizeof buffer/2, &count, NULL),
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"can read client\n");
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ok( WriteFile( hWriter, buffer, sizeof buffer/2, &count, NULL),
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"can't write client\n");
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ok( !ReadFile( hWriter, buffer, sizeof buffer/2, &count, NULL),
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"can read client\n");
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/*
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* seeing as there's something in the slot,
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* we should be able to read it once
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*/
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ok( ReadFile( hSlot, buffer, sizeof buffer, &count, NULL),
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"slot read\n");
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ok( count == (sizeof buffer/2), "short read\n" );
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/* but not again */
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ok( !ReadFile( hSlot, buffer, sizeof buffer, &count, NULL),
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"slot read\n");
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/* now try open another writer... should fail */
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hWriter2 = CreateFile(szmspath, GENERIC_READ|GENERIC_WRITE,
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FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
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ok( hWriter2 == INVALID_HANDLE_VALUE, "two writers\n");
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/* now try open another as a reader ... also fails */
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hWriter2 = CreateFile(szmspath, GENERIC_READ,
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FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
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ok( hWriter2 == INVALID_HANDLE_VALUE, "writer + reader\n");
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/* now try open another as a writer ... still fails */
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hWriter2 = CreateFile(szmspath, GENERIC_WRITE,
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FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
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ok( hWriter2 == INVALID_HANDLE_VALUE, "writer\n");
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/* now open another one */
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hSlot2 = CreateMailslot( szmspath, 0, 0, NULL );
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ok( hSlot2 == INVALID_HANDLE_VALUE , "opened two mailslots\n");
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/* close the client again */
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ok( CloseHandle( hWriter ), "closing the client\n");
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/*
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* now try reopen it with slightly different permissions ...
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* shared writing
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*/
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hWriter = CreateFile(szmspath, GENERIC_WRITE,
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FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
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ok( hWriter != INVALID_HANDLE_VALUE, "sharing writer\n");
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/*
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* now try open another as a writer ...
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* but don't share with the first ... fail
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*/
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hWriter2 = CreateFile(szmspath, GENERIC_WRITE,
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FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
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ok( hWriter2 == INVALID_HANDLE_VALUE, "greedy writer succeeded\n");
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/* now try open another as a writer ... and share with the first */
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hWriter2 = CreateFile(szmspath, GENERIC_WRITE,
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FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
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ok( hWriter2 != INVALID_HANDLE_VALUE, "2nd sharing writer\n");
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/* check the mailslot info */
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dwMax = dwNext = dwMsgCount = dwTimeout = 0;
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ok( GetMailslotInfo( hSlot, &dwMax, &dwNext, &dwMsgCount, &dwTimeout ),
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"getmailslotinfo failed\n");
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ok( dwNext == MAILSLOT_NO_MESSAGE, "dwNext incorrect\n");
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ok( dwMax == 0, "dwMax incorrect\n");
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ok( dwMsgCount == 0, "dwMsgCount incorrect\n");
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ok( dwTimeout == 0, "dwTimeout incorrect\n");
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/* check there's still no data */
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ok( !ReadFile( hSlot, buffer, sizeof buffer, &count, NULL), "slot read\n");
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/* write two messages */
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buffer[0] = 'a';
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ok( WriteFile( hWriter, buffer, 1, &count, NULL), "1st write failed\n");
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/* check the mailslot info */
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dwNext = dwMsgCount = 0;
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ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ),
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"getmailslotinfo failed\n");
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ok( dwNext == 1, "dwNext incorrect\n");
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ok( dwMsgCount == 1, "dwMsgCount incorrect\n");
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buffer[0] = 'b';
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buffer[1] = 'c';
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ok( WriteFile( hWriter2, buffer, 2, &count, NULL), "2nd write failed\n");
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/* check the mailslot info */
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dwNext = dwMsgCount = 0;
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ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ),
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"getmailslotinfo failed\n");
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ok( dwNext == 1, "dwNext incorrect\n");
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todo_wine {
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ok( dwMsgCount == 2, "dwMsgCount incorrect\n");
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}
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/* write a 3rd message with zero size */
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ok( WriteFile( hWriter2, buffer, 0, &count, NULL), "3rd write failed\n");
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/* check the mailslot info */
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dwNext = dwMsgCount = 0;
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ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ),
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"getmailslotinfo failed\n");
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ok( dwNext == 1, "dwNext incorrect\n");
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todo_wine {
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ok( dwMsgCount == 3, "dwMsgCount incorrect\n");
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}
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buffer[0]=buffer[1]=0;
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/*
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* then check that they come out with the correct order and size,
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* then the slot is empty
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*/
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ok( ReadFile( hSlot, buffer, sizeof buffer, &count, NULL),
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"1st slot read failed\n");
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ok( count == 1, "failed to get 1st message\n");
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ok( buffer[0] == 'a', "1st message wrong\n");
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/* check the mailslot info */
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dwNext = dwMsgCount = 0;
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ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ),
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"getmailslotinfo failed\n");
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ok( dwNext == 2, "dwNext incorrect\n");
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todo_wine {
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ok( dwMsgCount == 2, "dwMsgCount incorrect\n");
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}
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/* read the second message */
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ok( ReadFile( hSlot, buffer, sizeof buffer, &count, NULL),
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"2nd slot read failed\n");
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ok( count == 2, "failed to get 2nd message\n");
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ok( ( buffer[0] == 'b' ) && ( buffer[1] == 'c' ), "2nd message wrong\n");
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/* check the mailslot info */
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dwNext = dwMsgCount = 0;
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ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ),
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"getmailslotinfo failed\n");
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todo_wine {
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ok( dwNext == 0, "dwNext incorrect\n");
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ok( dwMsgCount == 1, "dwMsgCount incorrect\n");
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}
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/* read the 3rd (zero length) message */
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todo_wine {
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ok( ReadFile( hSlot, buffer, sizeof buffer, &count, NULL),
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"3rd slot read failed\n");
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}
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ok( count == 0, "failed to get 3rd message\n");
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/*
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* now there should be no more messages
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* check the mailslot info
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*/
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dwNext = dwMsgCount = 0;
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ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ),
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"getmailslotinfo failed\n");
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ok( dwNext == MAILSLOT_NO_MESSAGE, "dwNext incorrect\n");
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ok( dwMsgCount == 0, "dwMsgCount incorrect\n");
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/* check that reads fail */
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ok( !ReadFile( hSlot, buffer, sizeof buffer, &count, NULL),
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"3rd slot read succeeded\n");
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/* finally close the mailslot and its client */
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ok( CloseHandle( hWriter2 ), "closing 2nd client\n");
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ok( CloseHandle( hWriter ), "closing the client\n");
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ok( CloseHandle( hSlot ), "closing the mailslot\n");
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return 0;
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}
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START_TEST(mailslot)
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{
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mailslot_test();
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}
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