1 /* SPDX-License-Identifier: GPL-2.0 */
3 * DAMON Debugfs Interface Unit Tests
5 * Author: SeongJae Park <sjpark@amazon.de>
8 #ifdef CONFIG_DAMON_DBGFS_KUNIT_TEST
10 #ifndef _DAMON_DBGFS_TEST_H
11 #define _DAMON_DBGFS_TEST_H
13 #include <kunit/test.h>
15 static void damon_dbgfs_test_str_to_target_ids(struct kunit *test)
18 unsigned long *answers;
19 unsigned long expected[] = {12, 35, 46};
20 ssize_t nr_integers = 0, i;
23 answers = str_to_target_ids(question, strlen(question),
25 KUNIT_EXPECT_EQ(test, (ssize_t)1, nr_integers);
26 KUNIT_EXPECT_EQ(test, 123ul, answers[0]);
30 answers = str_to_target_ids(question, strlen(question),
32 KUNIT_EXPECT_EQ(test, (ssize_t)1, nr_integers);
33 KUNIT_EXPECT_EQ(test, 123ul, answers[0]);
37 answers = str_to_target_ids(question, strlen(question),
39 KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers);
43 answers = str_to_target_ids(question, strlen(question),
45 KUNIT_EXPECT_EQ(test, (ssize_t)2, nr_integers);
46 for (i = 0; i < nr_integers; i++)
47 KUNIT_EXPECT_EQ(test, expected[i], answers[i]);
50 question = "12 35 46";
51 answers = str_to_target_ids(question, strlen(question),
53 KUNIT_EXPECT_EQ(test, (ssize_t)3, nr_integers);
54 for (i = 0; i < nr_integers; i++)
55 KUNIT_EXPECT_EQ(test, expected[i], answers[i]);
58 question = "12 35 abc 46";
59 answers = str_to_target_ids(question, strlen(question),
61 KUNIT_EXPECT_EQ(test, (ssize_t)2, nr_integers);
62 for (i = 0; i < 2; i++)
63 KUNIT_EXPECT_EQ(test, expected[i], answers[i]);
67 answers = str_to_target_ids(question, strlen(question),
69 KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers);
73 answers = str_to_target_ids(question, strlen(question),
75 KUNIT_EXPECT_EQ(test, (ssize_t)0, nr_integers);
79 static void damon_dbgfs_test_set_targets(struct kunit *test)
81 struct damon_ctx *ctx = dbgfs_new_ctx();
82 unsigned long ids[] = {1, 2, 3};
85 /* Make DAMON consider target id as plain number */
86 ctx->primitive.target_valid = NULL;
87 ctx->primitive.cleanup = NULL;
89 damon_set_targets(ctx, ids, 3);
90 sprint_target_ids(ctx, buf, 64);
91 KUNIT_EXPECT_STREQ(test, (char *)buf, "1 2 3\n");
93 damon_set_targets(ctx, NULL, 0);
94 sprint_target_ids(ctx, buf, 64);
95 KUNIT_EXPECT_STREQ(test, (char *)buf, "\n");
97 damon_set_targets(ctx, (unsigned long []){1, 2}, 2);
98 sprint_target_ids(ctx, buf, 64);
99 KUNIT_EXPECT_STREQ(test, (char *)buf, "1 2\n");
101 damon_set_targets(ctx, (unsigned long []){2}, 1);
102 sprint_target_ids(ctx, buf, 64);
103 KUNIT_EXPECT_STREQ(test, (char *)buf, "2\n");
105 damon_set_targets(ctx, NULL, 0);
106 sprint_target_ids(ctx, buf, 64);
107 KUNIT_EXPECT_STREQ(test, (char *)buf, "\n");
109 dbgfs_destroy_ctx(ctx);
112 static struct kunit_case damon_test_cases[] = {
113 KUNIT_CASE(damon_dbgfs_test_str_to_target_ids),
114 KUNIT_CASE(damon_dbgfs_test_set_targets),
118 static struct kunit_suite damon_test_suite = {
119 .name = "damon-dbgfs",
120 .test_cases = damon_test_cases,
122 kunit_test_suite(damon_test_suite);
124 #endif /* _DAMON_TEST_H */
126 #endif /* CONFIG_DAMON_KUNIT_TEST */