Sebastian Lackner : kernel32/tests: Repeat test for SignalObjectAndWait multiple times to test wineserver wakeup cookie management.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4ccdc0c03681dbdf4dd5239a923764f7555e2da4
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4ccdc0c03681dbdf4dd5239a92...

Author: Sebastian Lackner 
Date:   Wed Jul 15 06:20:08 2015 +0200

kernel32/tests: Repeat test for SignalObjectAndWait multiple times to test wineserver wakeup cookie management.

---

dlls/kernel32/tests/sync.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/dlls/kernel32/tests/sync.c b/dlls/kernel32/tests/sync.c
index cbe0acb..a9d2377 100644
--- a/dlls/kernel32/tests/sync.c
+++ b/dlls/kernel32/tests/sync.c
@@ -64,6 +64,7 @@ static void test_signalandwait(void)
     HMODULE kernel32;
     DWORD r;
     HANDLE event[2], semaphore[2], file;
+    int i;

kernel32 = GetModuleHandleA("kernel32.dll");
     pSignalObjectAndWait = (void*) GetProcAddress(kernel32, "SignalObjectAndWait");
@@ -96,9 +97,13 @@ static void test_signalandwait(void)
     r = pSignalObjectAndWait(event[0], event[1], 0, FALSE);
     ok( r == WAIT_OBJECT_0, "should succeed\n");

-    /* event[0] is now signalled */
-    r = pSignalObjectAndWait(event[0], event[0], 0, FALSE);
-    ok( r == WAIT_OBJECT_0, "should succeed\n");
+    /* event[0] is now signalled - we repeat this test multiple times
+     * to ensure that the wineserver handles this situation properly. */
+    for (i = 0; i < 10000; i++)
+    {
+        r = pSignalObjectAndWait(event[0], event[0], 0, FALSE);
+        ok(r == WAIT_OBJECT_0, "should succeed\n");
+    }

/* event[0] is not signalled */
     r = WaitForSingleObject(event[0], 0);