// SPDX-License-Identifier: GPL-2.0

#include <test_progs.h>
#include "bad_struct_ops.skel.h"
#include "bad_struct_ops2.skel.h"

static void invalid_prog_reuse(void)
{
        struct bad_struct_ops *skel;
        char *log = NULL;
        int err;

        skel = bad_struct_ops__open();
        if (!ASSERT_OK_PTR(skel, "bad_struct_ops__open"))
                return;

        if (start_libbpf_log_capture())
                goto cleanup;

        err = bad_struct_ops__load(skel);
        log = stop_libbpf_log_capture();
        ASSERT_ERR(err, "bad_struct_ops__load should fail");
        ASSERT_HAS_SUBSTR(log,
                "struct_ops init_kern testmod_2 func ptr test_1: invalid reuse of prog test_1",
                "expected init_kern message");

cleanup:
        free(log);
        bad_struct_ops__destroy(skel);
}

static void unused_program(void)
{
        struct bad_struct_ops2 *skel;
        char *log = NULL;
        int err;

        skel = bad_struct_ops2__open();
        if (!ASSERT_OK_PTR(skel, "bad_struct_ops2__open"))
                return;

        /* struct_ops programs not referenced from any maps are open
         * with autoload set to true.
         */
        ASSERT_TRUE(bpf_program__autoload(skel->progs.foo), "foo autoload == true");

        if (start_libbpf_log_capture())
                goto cleanup;

        err = bad_struct_ops2__load(skel);
        ASSERT_ERR(err, "bad_struct_ops2__load should fail");
        log = stop_libbpf_log_capture();
        ASSERT_HAS_SUBSTR(log, "prog 'foo': failed to load",
                          "message about 'foo' failing to load");

cleanup:
        free(log);
        bad_struct_ops2__destroy(skel);
}

void test_bad_struct_ops(void)
{
        if (test__start_subtest("invalid_prog_reuse"))
                invalid_prog_reuse();
        if (test__start_subtest("unused_program"))
                unused_program();
}