Dmitry Timoshkov : kernel32/tests: Add a test to show that WaitCommEvent should fail if there is a pending wait .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4135900235c58859fffe39290c9089151eeaf666
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4135900235c58859fffe39290c9089151eeaf666

Author: Dmitry Timoshkov <dmitry at baikal.ru>
Date:   Mon Sep  2 18:27:01 2013 +0900

kernel32/tests: Add a test to show that WaitCommEvent should fail if there is a pending wait.

---

 dlls/kernel32/tests/comm.c |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/dlls/kernel32/tests/comm.c b/dlls/kernel32/tests/comm.c
index 882b652..e54be7a 100644
--- a/dlls/kernel32/tests/comm.c
+++ b/dlls/kernel32/tests/comm.c
@@ -783,7 +783,7 @@ static void test_waittxempty(void)
     DWORD before, after, bytes, timediff, evtmask, errors, i;
     BOOL res;
     DWORD baud = SLOWBAUD;
-    OVERLAPPED ovl_write, ovl_wait;
+    OVERLAPPED ovl_write, ovl_wait, ovl_wait2;
     COMSTAT stat;
 
     hcom = test_OpenComm(TRUE);
@@ -956,6 +956,16 @@ todo_wine
         {
             ok(!evtmask, "WaitCommEvent: expected 0, got %#x\n", evtmask);
 
+            S(U(ovl_wait2)).Offset = 0;
+            S(U(ovl_wait2)).OffsetHigh = 0;
+            ovl_wait2.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
+            SetLastError(0xdeadbeef);
+            res = WaitCommEvent(hcom, &evtmask, &ovl_wait2);
+            ok(!res, "WaitCommEvent should fail if there is a pending wait\n");
+todo_wine
+            ok(GetLastError() == ERROR_INVALID_PARAMETER, "expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
+            CloseHandle(ovl_wait2.hEvent);
+
             /* unblock pending wait */
             trace("recovering after WAIT_TIMEOUT...\n");
             /* FIXME: Wine fails to unblock with new mask being equal to the old one */