xref: /aosp_15_r20/external/AFLplusplus/test/unittests/unit_list.c (revision 08b48e0b10e97b33e7b60c5b6e2243bd915777f2)
1 #include <stdarg.h>
2 #include <stddef.h>
3 #include <setjmp.h>
4 #include <assert.h>
5 #include <cmocka.h>
6 /* cmocka < 1.0 didn't support these features we need */
7 #ifndef assert_ptr_equal
8 #define assert_ptr_equal(a, b) \
9     _assert_int_equal(cast_ptr_to_largest_integral_type(a), \
10                       cast_ptr_to_largest_integral_type(b), \
11                       __FILE__, __LINE__)
12 #define CMUnitTest UnitTest
13 #define cmocka_unit_test unit_test
14 #define cmocka_run_group_tests(t, setup, teardown) run_tests(t)
15 #endif
16 
17 
18 extern void mock_assert(const int result, const char* const expression,
19                         const char * const file, const int line);
20 #undef assert
21 #define assert(expression) \
22     mock_assert((int)(expression), #expression, __FILE__, __LINE__);
23 
24 #include "list.h"
25 
26 /* remap exit -> assert, then use cmocka's mock_assert
27     (compile with `--wrap=exit`) */
28 extern void exit(int status);
29 extern void __real_exit(int status);
30 //void __wrap_exit(int status);
__wrap_exit(int status)31 void __wrap_exit(int status) {
32     (void)status;
33     assert(0);
34 }
35 
36 /* ignore all printfs */
37 #undef printf
38 extern int printf(const char *format, ...);
39 //extern int __real_printf(const char *format, ...);
40 int __wrap_printf(const char *format, ...);
__wrap_printf(const char * format,...)41 int __wrap_printf(const char *format, ...) {
42     (void)format;
43     return 1;
44 }
45 
46 static list_t testlist = {.element_prealloc_count = 0};
47 
test_contains(void ** state)48 static void test_contains(void **state) {
49     (void)state;
50 
51     u32 one = 1;
52     u32 two = 2;
53 
54     list_append(&testlist, &one);
55     assert_true(list_contains(&testlist, &one));
56     assert_false(list_contains(&testlist, &two));
57     list_remove(&testlist, &one);
58     assert_false(list_contains(&testlist, &one));
59 }
60 
test_foreach(void ** state)61 static void test_foreach(void **state) {
62     (void)state;
63 
64     u32 one = 1;
65     u32 two = 2;
66     u32 result = 0;
67 
68     list_append(&testlist, &one);
69     list_append(&testlist, &two);
70     list_append(&testlist, &one);
71 
72     /* The list is for pointers, so int doesn't work as type directly */
73     LIST_FOREACH(&testlist, u32, {
74         result += *el;
75     });
76 
77     assert_int_equal(result, 4);
78 
79 }
80 
test_long_list(void ** state)81 static void test_long_list(void **state) {
82     (void)state;
83 
84     u32 result1 = 0;
85     u32 result2 = 0;
86     u32 i;
87 
88     u32 vals[100];
89 
90     for (i = 0; i < 100; i++) {
91         vals[i] = i;
92     }
93 
94     LIST_FOREACH_CLEAR(&testlist, void, {});
95     for (i = 0; i < 100; i++) {
96         list_append(&testlist, &vals[i]);
97     }
98     LIST_FOREACH(&testlist, u32, {
99         result1 += *el;
100     });
101     //printf("removing %d\n", vals[50]);
102     list_remove(&testlist, &vals[50]);
103 
104     LIST_FOREACH(&testlist, u32, {
105         // printf("var: %d\n", *el);
106         result2 += *el;
107     });
108     assert_int_not_equal(result1, result2);
109     assert_int_equal(result1, result2 + 50);
110 
111     result1 = 0;
112     LIST_FOREACH_CLEAR(&testlist, u32, {
113         result1 += *el;
114     });
115     assert_int_equal(result1, result2);
116 
117     result1 = 0;
118     LIST_FOREACH(&testlist, u32, {
119         result1 += *el;
120     });
121     assert_int_equal(result1, 0);
122 
123 }
124 
main(int argc,char ** argv)125 int main(int argc, char **argv) {
126     (void)argc;
127     (void)argv;
128 
129 	const struct CMUnitTest tests[] = {
130         cmocka_unit_test(test_contains),
131         cmocka_unit_test(test_foreach),
132         cmocka_unit_test(test_long_list),
133 	};
134 
135     //return cmocka_run_group_tests (tests, setup, teardown);
136     __real_exit( cmocka_run_group_tests (tests, NULL, NULL) );
137 
138     // fake return for dumb compilers
139     return 0;
140 }
141