upload android base code part6

android/system/bt/osi/test/rand_test.cc

@@ -0,0 +1,17 @@
+#include <gtest/gtest.h>
+
+#include "AllocationTestHarness.h"
+
+#include "osi/include/osi.h"
+
+class RandTest : public AllocationTestHarness {};
+
+TEST_F(RandTest, test_rand) {
+  // We can't guarantee any distribution
+  // We'd like it to not crash though.
+  for (int i = 0; i < 10; i++) {
+    int x;
+    x = osi_rand();
+    EXPECT_TRUE(x >= 0);
+  }
+}