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kernel32/tests: Add a test to show that WaitCommEvent should succeed after SetCommMask(EV_TXEMPTY)+WriteFile+FlushFileBuffers.

This commit is contained in:
Dmitry Timoshkov 2013-09-02 18:25:31 +09:00 committed by Alexandre Julliard
parent 156206592a
commit 663dbd9f1c
1 changed files with 95 additions and 2 deletions
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97
dlls/kernel32/tests/comm.c
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@ -780,10 +780,11 @@ static void test_waittxempty(void)
DCB dcb;
COMMTIMEOUTS timeouts;
char tbuf[]="test_waittxempty";
DWORD before, after, bytes, timediff, evtmask;
DWORD before, after, bytes, timediff, evtmask, errors, i;
BOOL res;
DWORD baud = SLOWBAUD;
OVERLAPPED ovl_write, ovl_wait;
COMSTAT stat;
hcom = test_OpenComm(TRUE);
if (hcom == INVALID_HANDLE_VALUE) return;
@ -855,7 +856,19 @@ todo_wine
ok(bytes == sizeof(evtmask), "expected %u, written %u\n", (UINT)sizeof(evtmask), bytes);
res = TRUE;
}
else res = FALSE;
else
{
/* unblock pending wait */
trace("recovering after WAIT_TIMEOUT...\n");
/* FIXME: Wine fails to unblock with new mask being equal to the old one */
res = SetCommMask(hcom, 0);
ok(res, "SetCommMask error %d\n", GetLastError());
res = WaitForSingleObject(ovl_wait.hEvent, TIMEOUT);
ok(res == WAIT_OBJECT_0, "WaitCommEvent failed with a timeout\n");
res = FALSE;
}
after = GetTickCount();
todo_wine
ok(res, "WaitCommEvent error %d\n", GetLastError());
@ -876,6 +889,86 @@ todo_wine
CloseHandle(ovl_write.hEvent);
CloseHandle(hcom);
for (i = 0; i < 2; i++)
{
hcom = test_OpenComm(TRUE);
if (hcom == INVALID_HANDLE_VALUE) return;
res = SetCommMask(hcom, EV_TXEMPTY);
ok(res, "SetCommMask error %d\n", GetLastError());
if (i == 0)
{
S(U(ovl_write)).Offset = 0;
S(U(ovl_write)).OffsetHigh = 0;
ovl_write.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
before = GetTickCount();
SetLastError(0xdeadbeef);
res = WriteFile(hcom, tbuf, sizeof(tbuf), &bytes, &ovl_write);
todo_wine
ok(!res && GetLastError() == ERROR_IO_PENDING, "WriteFile returned %d, error %d\n", res, GetLastError());
todo_wine
ok(!bytes, "expected 0, got %u\n", bytes);
ClearCommError(hcom, &errors, &stat);
ok(stat.cbInQue == 0, "InQueue should be empty, got %d bytes\n", stat.cbInQue);
ok(stat.cbOutQue != 0 || broken(stat.cbOutQue == 0) /* VM */, "OutQueue should not be empty\n");
ok(errors == 0, "ClearCommErrors: Unexpected error 0x%08x\n", errors);
res = GetOverlappedResult(hcom, &ovl_write, &bytes, TRUE);
ok(res, "GetOverlappedResult reported error %d\n", GetLastError());
ok(bytes == sizeof(tbuf), "expected %u, written %u\n", (UINT)sizeof(tbuf), bytes);
CloseHandle(ovl_write.hEvent);
res = FlushFileBuffers(hcom);
ok(res, "FlushFileBuffers error %d\n", GetLastError());
}
ClearCommError(hcom, &errors, &stat);
ok(stat.cbInQue == 0, "InQueue should be empty, got %d bytes\n", stat.cbInQue);
ok(stat.cbOutQue == 0, "OutQueue should be empty, got %d bytes\n", stat.cbOutQue);
ok(errors == 0, "ClearCommErrors: Unexpected error 0x%08x\n", errors);
S(U(ovl_wait)).Offset = 0;
S(U(ovl_wait)).OffsetHigh = 0;
ovl_wait.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
evtmask = 0;
SetLastError(0xdeadbeef);
res = WaitCommEvent(hcom, &evtmask, &ovl_wait);
ok(!res && GetLastError() == ERROR_IO_PENDING, "%d: WaitCommEvent error %d\n", i, GetLastError());
res = WaitForSingleObject(ovl_wait.hEvent, TIMEOUT);
if (i == 0)
todo_wine
ok(res == WAIT_OBJECT_0, "WaitCommEvent failed with a timeout\n");
else
ok(res == WAIT_TIMEOUT, "WaitCommEvent should fail with a timeout\n");
if (res == WAIT_OBJECT_0)
{
res = GetOverlappedResult(hcom, &ovl_wait, &bytes, FALSE);
ok(res, "GetOverlappedResult reported error %d\n", GetLastError());
ok(bytes == sizeof(evtmask), "expected %u, written %u\n", (UINT)sizeof(evtmask), bytes);
ok(res, "WaitCommEvent error %d\n", GetLastError());
ok(evtmask & EV_TXEMPTY, "WaitCommEvent: expected EV_TXEMPTY, got %#x\n", evtmask);
}
else
{
ok(!evtmask, "WaitCommEvent: expected 0, got %#x\n", evtmask);
/* unblock pending wait */
trace("recovering after WAIT_TIMEOUT...\n");
/* FIXME: Wine fails to unblock with new mask being equal to the old one */
res = SetCommMask(hcom, 0);
ok(res, "SetCommMask error %d\n", GetLastError());
res = WaitForSingleObject(ovl_wait.hEvent, TIMEOUT);
ok(res == WAIT_OBJECT_0, "WaitCommEvent failed with a timeout\n");
CloseHandle(ovl_wait.hEvent);
}
CloseHandle(hcom);
}
}
/* A new open handle should not return error or have bytes in the Queues */