[PATCH v11 2/2] kernel32: add simple sync barrier test

[quininer]

From: quininer

---
 dlls/kernel32/tests/sync.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/dlls/kernel32/tests/sync.c b/dlls/kernel32/tests/sync.c
index 56a9d6e4859..c15cfd14c0b 100644
--- a/dlls/kernel32/tests/sync.c
+++ b/dlls/kernel32/tests/sync.c
@@ -2841,6 +2841,42 @@ static void test_QueueUserAPC(void)
     ok(apc_count == 1, "APC count %u\n", apc_count);
 }

+static DWORD WINAPI barrier_worker(LPVOID b) {
+    SYNCHRONIZATION_BARRIER *barrier = (SYNCHRONIZATION_BARRIER*)b;
+    EnterSynchronizationBarrier(barrier, 0);
+    return 0;
+}
+
+static void test_barrier(void)
+{
+    SYNCHRONIZATION_BARRIER barrier;
+    DWORD dummy;
+    DWORD r;
+
+    r = InitializeSynchronizationBarrier(&barrier, 3, 0);
+    ok( r == TRUE, "init sync barrier failed\n");
+
+    CreateThread(NULL, 0, barrier_worker, &barrier, 0, &dummy);
+    CreateThread(NULL, 0, barrier_worker, &barrier, 0, &dummy);
+
+    EnterSynchronizationBarrier(&barrier, 0);
+    r = DeleteSynchronizationBarrier(&barrier);
+    ok( r == TRUE, "delete sync barrier failed\n");
+
+    // reuse barrier object
+    r = InitializeSynchronizationBarrier(&barrier, 5, 0);
+    ok( r == TRUE, "init sync barrier failed\n");
+
+    CreateThread(NULL, 0, barrier_worker, &barrier, 0, &dummy);
+    CreateThread(NULL, 0, barrier_worker, &barrier, 0, &dummy);
+    CreateThread(NULL, 0, barrier_worker, &barrier, 0, &dummy);
+    CreateThread(NULL, 0, barrier_worker, &barrier, 0, &dummy);
+
+    EnterSynchronizationBarrier(&barrier, 0);
+    r = DeleteSynchronizationBarrier(&barrier);
+    ok( r == TRUE, "delete sync barrier failed\n");
+}
+
 START_TEST(sync)
 {
     char **argv;
@@ -2912,4 +2948,5 @@ START_TEST(sync)
     test_alertable_wait();
     test_apc_deadlock();
     test_crit_section();
+    test_barrier();
 }