xref: /linux/tools/testing/selftests/sched_ext/test_example.c (revision 0c436dfe5c25d0931b164b944165259f95e5281f)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2024 Meta Platforms, Inc. and affiliates.
4  * Copyright (c) 2024 Tejun Heo <tj@kernel.org>
5  * Copyright (c) 2024 David Vernet <dvernet@meta.com>
6  */
7 #include <bpf/bpf.h>
8 #include <scx/common.h>
9 #include "scx_test.h"
10 
11 static bool setup_called = false;
12 static bool run_called = false;
13 static bool cleanup_called = false;
14 
15 static int context = 10;
16 
17 static enum scx_test_status setup(void **ctx)
18 {
19 	setup_called = true;
20 	*ctx = &context;
21 
22 	return SCX_TEST_PASS;
23 }
24 
25 static enum scx_test_status run(void *ctx)
26 {
27 	int *arg = ctx;
28 
29 	SCX_ASSERT(setup_called);
30 	SCX_ASSERT(!run_called && !cleanup_called);
31 	SCX_EQ(*arg, context);
32 
33 	run_called = true;
34 	return SCX_TEST_PASS;
35 }
36 
37 static void cleanup (void *ctx)
38 {
39 	SCX_BUG_ON(!run_called || cleanup_called, "Wrong callbacks invoked");
40 }
41 
42 struct scx_test example = {
43 	.name		= "example",
44 	.description	= "Validate the basic function of the test suite itself",
45 	.setup		= setup,
46 	.run		= run,
47 	.cleanup	= cleanup,
48 };
49 REGISTER_SCX_TEST(&example)
50