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kernel32/tests: Add a FlushFileBuffers test for a COM port.

This commit is contained in:
Dmitry Timoshkov 2013-08-30 18:20:26 +09:00 committed by Alexandre Julliard
parent 82710124e3
commit f69ec2c61c
1 changed files with 26 additions and 0 deletions
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26
dlls/kernel32/tests/comm.c
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@ -1872,9 +1872,35 @@ done:
CloseHandle(hcom);
}
static void test_FlushFileBuffers(void)
{
HANDLE hcom;
DWORD ret, bytes, errors;
COMSTAT stat;
hcom = test_OpenComm(FALSE);
if (hcom == INVALID_HANDLE_VALUE) return;
ret = WriteFile(hcom, "\0\0\0\0\0\0\0", 7, &bytes, NULL);
ok(ret, "WriteFile error %d\n", GetLastError());
ok(bytes == 7, "expected 7, got %u\n", bytes);
ret = FlushFileBuffers(hcom);
ok(ret, "FlushFileBuffers error %d\n", GetLastError());
ret = ClearCommError(hcom, &errors, &stat);
ok(ret, "ClearCommError error %d\n", GetLastError());
ok(stat.cbInQue == 0, "expected 0, got %d bytes in InQueue\n", stat.cbInQue);
ok(stat.cbOutQue == 0, "expected 0, got %d bytes in OutQueue\n", stat.cbOutQue);
ok(errors == 0, "expected errors 0, got %#x\n", errors);
CloseHandle(hcom);
}
START_TEST(comm)
{
test_ClearCommError(); /* keep it the very first test */
test_FlushFileBuffers();
test_BuildCommDCB();
test_ReadTimeOut();
test_waittxempty();