Hi,
Just incase anybody is interested, here is a regression test for
mailslots. There's not much point to include it into Wine until we
support mailslots properly (which I'm working on).
Mike
/*
* Mailslot regression test
*
* Copyright 2003 Mike McCormack
*/
#include <windows.h>
#include <stdio.h>
#define ok(cond,str) do{ if(!(cond)) printf("line %d: %s\n",__LINE__,str); }while (0)
const char szmspath[] = "\\\\.\\mailslot\\wine_mailslot_test";
int main(int argc, char **argv)
{
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, &dwMsgCount, &dwTimeout ), "getmailslotinfo succeeded");
// open a mailslot that doesn't exist
hWriter = CreateFile(szmspath, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
ok( hWriter == INVALID_HANDLE_VALUE, "non-existing mailslot");
// open a mailslot without the right name
hSlot = CreateMailslot( "blah", 0, 0, NULL );
ok( hSlot == INVALID_HANDLE_VALUE , "Created mailslot with invalid name");
ok( GetLastError() == ERROR_INVALID_NAME, "error should be ERROR_INVALID_NAME");
// open a mailslot with a null name
hSlot = CreateMailslot( NULL, 0, 0, NULL );
ok( hSlot == INVALID_HANDLE_VALUE , "Created mailslot with invalid name");
ok( GetLastError() == ERROR_PATH_NOT_FOUND, "error should be ERROR_PATH_NOT_FOUND");
// valid open, but with wacky parameters ... then check them
hSlot = CreateMailslot( szmspath, -1, -1, NULL );
ok( hSlot != INVALID_HANDLE_VALUE , "mailslot with valid name failed");
dwMax = dwNext = dwMsgCount = dwTimeout = 0;
ok( GetMailslotInfo( hSlot, &dwMax, &dwNext, &dwMsgCount, &dwTimeout ), "getmailslotinfo failed");
ok( dwMax == -1, "dwMax incorrect");
ok( dwNext == MAILSLOT_NO_MESSAGE, "dwNext incorrect");
ok( dwMsgCount == 0, "dwMsgCount incorrect");
ok( dwTimeout == -1, "dwTimeout incorrect");
ok( GetMailslotInfo( hSlot, NULL, NULL, NULL, NULL ), "getmailslotinfo failed");
ok( CloseHandle(hSlot), "failed to close mailslot");
// now open it for real
hSlot = CreateMailslot( szmspath, 0, 0, NULL );
ok( hSlot != INVALID_HANDLE_VALUE , "valid mailslot failed");
// try and read/write to it
count = 0;
memset(buffer, 0, sizeof buffer);
ok( !ReadFile( hSlot, buffer, sizeof buffer, &count, NULL), "slot read");
ok( !WriteFile( hSlot, buffer, sizeof buffer, &count, NULL), "slot write");
// now try and openthe client, but with the wrong sharing mode
hWriter = CreateFile(szmspath, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
ok( hWriter == INVALID_HANDLE_VALUE, "bad sharing mode");
ok( GetLastError() == ERROR_SHARING_VIOLATION, "error should be ERROR_SHARING_VIOLATION");
// now open the client with the correct sharing mode
hWriter = CreateFile(szmspath, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
ok( hWriter != INVALID_HANDLE_VALUE, "existing mailslot");
// 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), "slot read");
ok( !WriteFile( hSlot, buffer, sizeof buffer/2, &count, NULL), "slot write");
// 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), "can read client");
ok( WriteFile( hWriter, buffer, sizeof buffer/2, &count, NULL), "can't write client");
ok( !ReadFile( hWriter, buffer, sizeof buffer/2, &count, NULL), "can read client");
// seeing as there's something in the slot, we should be able to read it once
ok( ReadFile( hSlot, buffer, sizeof buffer, &count, NULL), "slot read");
ok( count == (sizeof buffer/2), "short read" );
// but not again
ok( !ReadFile( hSlot, buffer, sizeof buffer, &count, NULL), "slot read");
// now try open another writer... should fail
hWriter2 = CreateFile(szmspath, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
ok( hWriter2 == INVALID_HANDLE_VALUE, "two writers");
// now try open another as a reader ... also fails
hWriter2 = CreateFile(szmspath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
ok( hWriter2 == INVALID_HANDLE_VALUE, "writer + reader");
// now try open another as a writer ... still fails
hWriter2 = CreateFile(szmspath, GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
ok( hWriter2 == INVALID_HANDLE_VALUE, "writer");
// now open another one
hSlot2 = CreateMailslot( szmspath, 0, 0, NULL );
ok( hSlot2 == INVALID_HANDLE_VALUE , "opened two mailslots");
// close the client again
ok( CloseHandle( hWriter ), "closing the client");
// 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);
ok( hWriter != INVALID_HANDLE_VALUE, "sharing writer");
// 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);
ok( hWriter2 == INVALID_HANDLE_VALUE, "greedy writer succeeded");
// 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);
ok( hWriter2 != INVALID_HANDLE_VALUE, "2nd sharing writer");
// check the mailslot info
dwMax = dwNext = dwMsgCount = dwTimeout = 0;
ok( GetMailslotInfo( hSlot, &dwMax, &dwNext, &dwMsgCount, &dwTimeout ), "getmailslotinfo failed");
ok( dwMax == 0, "dwMax incorrect");
ok( dwNext == MAILSLOT_NO_MESSAGE, "dwNext incorrect");
ok( dwMsgCount == 0, "dwMsgCount incorrect");
ok( dwTimeout == 0, "dwTimeout incorrect");
// check there's still no data
ok( !ReadFile( hSlot, buffer, sizeof buffer, &count, NULL), "slot read");
// write two messages
buffer[0] = 'a';
ok( WriteFile( hWriter, buffer, 1, &count, NULL), "1st write failed");
// check the mailslot info
dwNext = dwMsgCount = 0;
ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ), "getmailslotinfo failed");
ok( dwNext == 1, "dwNext incorrect");
ok( dwMsgCount == 1, "dwMsgCount incorrect");
buffer[0] = 'b';
buffer[1] = 'c';
ok( WriteFile( hWriter2, buffer, 2, &count, NULL), "2nd write failed");
// check the mailslot info
dwNext = dwMsgCount = 0;
ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ), "getmailslotinfo failed");
ok( dwNext == 1, "dwNext incorrect");
ok( dwMsgCount == 2, "dwMsgCount incorrect");
// write a 3rd message with zero size
ok( WriteFile( hWriter2, buffer, 0, &count, NULL), "3rd write failed");
// check the mailslot info
dwNext = dwMsgCount = 0;
ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ), "getmailslotinfo failed");
ok( dwNext == 1, "dwNext incorrect");
ok( dwMsgCount == 3, "dwMsgCount incorrect");
// 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), "1st slot read failed");
ok( count == 1, "failed to get 1st message");
ok( buffer[0] == 'a', "1st message wrong");
// check the mailslot info
dwNext = dwMsgCount = 0;
ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ), "getmailslotinfo failed");
ok( dwNext == 2, "dwNext incorrect");
ok( dwMsgCount == 2, "dwMsgCount incorrect");
// read the second message
ok( ReadFile( hSlot, buffer, sizeof buffer, &count, NULL), "2nd slot read failed");
ok( count == 2, "failed to get 2nd message");
ok( ( buffer[0] == 'b' ) && ( buffer[1] == 'c' ), "2nd message wrong");
// check the mailslot info
dwNext = dwMsgCount = 0;
ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ), "getmailslotinfo failed");
ok( dwNext == 0, "dwNext incorrect");
ok( dwMsgCount == 1, "dwMsgCount incorrect");
// read the 3rd (zero length) message
ok( ReadFile( hSlot, buffer, sizeof buffer, &count, NULL), "3rd slot read failed");
ok( count == 0, "failed to get 3rd message");
// now there should be no more messages
// check the mailslot info
dwNext = dwMsgCount = 0;
ok( GetMailslotInfo( hSlot, NULL, &dwNext, &dwMsgCount, NULL ), "getmailslotinfo failed");
ok( dwNext == MAILSLOT_NO_MESSAGE, "dwNext incorrect");
ok( dwMsgCount == 0, "dwMsgCount incorrect");
// check that reads fail
ok( !ReadFile( hSlot, buffer, sizeof buffer, &count, NULL), "3rd slot read succeeded");
// finally close the mailslot and its client
ok( CloseHandle( hWriter2 ), "closing 2nd client");
ok( CloseHandle( hWriter ), "closing the client");
ok( CloseHandle( hSlot ), "closing the mailslot");
return 0;
}
