kernel: Added a basic test for exception handling in threads.

dlls/kernel/tests/thread.c

@@ -119,6 +119,10 @@ static DWORD WINAPI threadFunc1(LPVOID p)
    for(i=0;i<NUM_THREADS;i++) {
      while(tstruct->threadmem[i]==0) ;
    }
+
+   /* lstrlenA contains an exception handler so this makes sure exceptions work in threads */
+   ok( lstrlenA( (char *)0xdeadbeef ) == 0, "lstrlenA: unexpected success\n" );
+
 /* Check that noone changed our tls memory */
    ok((int)TlsGetValue(tlsIndex)-1==tstruct->threadnum,
       "TlsGetValue failed\n");
@@ -180,6 +184,9 @@ static VOID test_CreateThread_basic(void)
    DWORD i,j;
    DWORD GLE, ret;
 
+   /* lstrlenA contains an exception handler so this makes sure exceptions work in the main thread */
+   ok( lstrlenA( (char *)0xdeadbeef ) == 0, "lstrlenA: unexpected success\n" );
+
 /* Retrieve current Thread ID for later comparisons */
   curthreadId=GetCurrentThreadId();
 /* Allocate some local storage */