tools/testing/selftests/bpf/prog_tests/inner_array_lookup.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2
   3 #include <test_progs.h>
   4
   5 #include "inner_array_lookup.skel.h"
   6
   7 void test_inner_array_lookup(void)
   8 {
   9         int map1_fd, err;
  10         int key = 3;
  11         int val = 1;
  12         struct inner_array_lookup *skel;
  13
  14         skel = inner_array_lookup__open_and_load();
  15         if (!ASSERT_OK_PTR(skel, "open_load_skeleton"))
  16                 return;
  17
  18         err = inner_array_lookup__attach(skel);
  19         if (!ASSERT_OK(err, "skeleton_attach"))
  20                 goto cleanup;
  21
  22         map1_fd = bpf_map__fd(skel->maps.inner_map1);
  23         bpf_map_update_elem(map1_fd, &key, &val, 0);
  24
  25         /* Probe should have set the element at index 3 to 2 */
  26         bpf_map_lookup_elem(map1_fd, &key, &val);
  27         ASSERT_EQ(val, 2, "value_is_2");
  28
  29 cleanup:
  30         inner_array_lookup__destroy(skel);
  31 }