Sweden-Number/dlls/kernel/tests/mailslot.c

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