add test case...

diff --git a/test/nestedpromise.c b/test/nestedpromise.c
new file mode 100644 (file)
index 0000000..e87cce9
--- /dev/null
+++ b/test/nestedpromise.c
@@ -0,0 +1,42 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <threads.h>
+#include <stdatomic.h>
+
+#include "librace.h"
+#include "model-assert.h"
+
+atomic_int x;
+atomic_int y;
+atomic_int z;
+static void a(void *obj)
+{
+       atomic_load_explicit(&z, memory_order_relaxed); // this is only for schedule control
+       int t1=atomic_load_explicit(&x, memory_order_relaxed);
+       atomic_store_explicit(&y, 1, memory_order_relaxed);
+       printf("t1=%d\n",t1);
+}
+
+static void b(void *obj)
+{
+       int t2=atomic_load_explicit(&y, memory_order_relaxed);
+       atomic_store_explicit(&x, t2, memory_order_relaxed);
+}
+
+int user_main(int argc, char **argv)
+{
+       thrd_t t1, t2;
+
+
+       atomic_init(&x, 0);
+       atomic_init(&y, 0);
+       atomic_init(&z, 0);
+       thrd_create(&t1, (thrd_start_t)&a, NULL);
+       thrd_create(&t2, (thrd_start_t)&b, NULL);
+
+       thrd_join(t1);
+       thrd_join(t2);
+
+
+       return 0;
+}