root/tools/testing/selftests/bpf/prog_tests/inner_array_lookup.c
// SPDX-License-Identifier: GPL-2.0-only

#include <test_progs.h>

#include "inner_array_lookup.skel.h"

void test_inner_array_lookup(void)
{
        int map1_fd, err;
        int key = 3;
        int val = 1;
        struct inner_array_lookup *skel;

        skel = inner_array_lookup__open_and_load();
        if (!ASSERT_OK_PTR(skel, "open_load_skeleton"))
                return;

        err = inner_array_lookup__attach(skel);
        if (!ASSERT_OK(err, "skeleton_attach"))
                goto cleanup;

        map1_fd = bpf_map__fd(skel->maps.inner_map1);
        bpf_map_update_elem(map1_fd, &key, &val, 0);

        /* Probe should have set the element at index 3 to 2 */
        bpf_map_lookup_elem(map1_fd, &key, &val);
        ASSERT_EQ(val, 2, "value_is_2");

cleanup:
        inner_array_lookup__destroy(skel);
}