1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2020 Google LLC
4 */
5
6 #include <common.h>
7 #include <vsprintf.h>
8 #include <test/suites.h>
9 #include <test/test.h>
10 #include <test/ut.h>
11
12 /* This is large enough for any of the test strings */
13 #define TEST_STR_SIZE 200
14
15 static const char str1[] = "I'm sorry I'm late.";
16 static const char str2[] = "1099abNo, don't bother apologising.";
17 static const char str3[] = "0xbI'm sorry you're alive.";
18 static const char str4[] = "1234567890123 I lost closer friends";
19 static const char str5[] = "0x9876543210the last time I was deloused";
20 static const char str6[] = "0778octal is seldom used";
21 static const char str7[] = "707it is a piece of computing history";
22
23 /* Declare a new str test */
24 #define STR_TEST(_name, _flags) UNIT_TEST(_name, _flags, str_test)
25
str_upper(struct unit_test_state * uts)26 static int str_upper(struct unit_test_state *uts)
27 {
28 char out[TEST_STR_SIZE];
29
30 /* Make sure it adds a terminator */
31 out[strlen(str1)] = 'a';
32 str_to_upper(str1, out, SIZE_MAX);
33 ut_asserteq_str("I'M SORRY I'M LATE.", out);
34
35 /* In-place operation */
36 strcpy(out, str2);
37 str_to_upper(out, out, SIZE_MAX);
38 ut_asserteq_str("1099ABNO, DON'T BOTHER APOLOGISING.", out);
39
40 /* Limited length */
41 str_to_upper(str1, out, 7);
42 ut_asserteq_str("I'M SORO, DON'T BOTHER APOLOGISING.", out);
43
44 /* In-place with limited length */
45 strcpy(out, str2);
46 str_to_upper(out, out, 7);
47 ut_asserteq_str("1099ABNo, don't bother apologising.", out);
48
49 /* Copy an empty string to a buffer with space*/
50 out[1] = 0x7f;
51 str_to_upper("", out, SIZE_MAX);
52 ut_asserteq('\0', *out);
53 ut_asserteq(0x7f, out[1]);
54
55 /* Copy an empty string to a buffer with no space*/
56 out[0] = 0x7f;
57 str_to_upper("", out, 0);
58 ut_asserteq(0x7f, out[0]);
59
60 return 0;
61 }
62 STR_TEST(str_upper, 0);
63
run_strtoul(struct unit_test_state * uts,const char * str,int base,ulong expect_val,int expect_endp_offset,bool upper)64 static int run_strtoul(struct unit_test_state *uts, const char *str, int base,
65 ulong expect_val, int expect_endp_offset, bool upper)
66 {
67 char out[TEST_STR_SIZE];
68 char *endp;
69 ulong val;
70
71 strcpy(out, str);
72 if (upper)
73 str_to_upper(out, out, -1);
74
75 val = simple_strtoul(out, &endp, base);
76 ut_asserteq(expect_val, val);
77 ut_asserteq(expect_endp_offset, endp - out);
78
79 return 0;
80 }
81
str_simple_strtoul(struct unit_test_state * uts)82 static int str_simple_strtoul(struct unit_test_state *uts)
83 {
84 int upper;
85
86 /* Check that it is case-insentive */
87 for (upper = 0; upper < 2; upper++) {
88 /* Base 10 and base 16 */
89 ut_assertok(run_strtoul(uts, str2, 10, 1099, 4, upper));
90 ut_assertok(run_strtoul(uts, str2, 16, 0x1099ab, 6, upper));
91 ut_assertok(run_strtoul(uts, str3, 16, 0xb, 3, upper));
92 ut_assertok(run_strtoul(uts, str3, 10, 0xb, 3, upper));
93
94 /* Octal */
95 ut_assertok(run_strtoul(uts, str6, 0, 63, 3, upper));
96 ut_assertok(run_strtoul(uts, str7, 8, 0x1c7, 3, upper));
97
98 /* Invalid string */
99 ut_assertok(run_strtoul(uts, str1, 10, 0, 0, upper));
100
101 /* Base 0 */
102 ut_assertok(run_strtoul(uts, str1, 0, 0, 0, upper));
103 ut_assertok(run_strtoul(uts, str2, 0, 1099, 4, upper));
104 ut_assertok(run_strtoul(uts, str3, 0, 0xb, 3, upper));
105
106 /* Base 2 */
107 ut_assertok(run_strtoul(uts, str1, 2, 0, 0, upper));
108 ut_assertok(run_strtoul(uts, str2, 2, 2, 2, upper));
109 }
110
111 /* Check endp being NULL */
112 ut_asserteq(1099, simple_strtoul(str2, NULL, 0));
113
114 return 0;
115 }
116 STR_TEST(str_simple_strtoul, 0);
117
run_strtoull(struct unit_test_state * uts,const char * str,int base,unsigned long long expect_val,int expect_endp_offset,bool upper)118 static int run_strtoull(struct unit_test_state *uts, const char *str, int base,
119 unsigned long long expect_val, int expect_endp_offset,
120 bool upper)
121 {
122 char out[TEST_STR_SIZE];
123 char *endp;
124 unsigned long long val;
125
126 strcpy(out, str);
127 if (upper)
128 str_to_upper(out, out, -1);
129
130 val = simple_strtoull(out, &endp, base);
131 ut_asserteq(expect_val, val);
132 ut_asserteq(expect_endp_offset, endp - out);
133
134 return 0;
135 }
136
str_simple_strtoull(struct unit_test_state * uts)137 static int str_simple_strtoull(struct unit_test_state *uts)
138 {
139 int upper;
140
141 /* Check that it is case-insentive */
142 for (upper = 0; upper < 2; upper++) {
143 /* Base 10 and base 16 */
144 ut_assertok(run_strtoull(uts, str2, 10, 1099, 4, upper));
145 ut_assertok(run_strtoull(uts, str2, 16, 0x1099ab, 6, upper));
146 ut_assertok(run_strtoull(uts, str3, 16, 0xb, 3, upper));
147 ut_assertok(run_strtoull(uts, str3, 10, 0xb, 3, upper));
148
149 /* Octal */
150 ut_assertok(run_strtoull(uts, str6, 0, 63, 3, upper));
151 ut_assertok(run_strtoull(uts, str7, 8, 0x1c7, 3, upper));
152
153 /* Large values */
154 ut_assertok(run_strtoull(uts, str4, 10, 1234567890123, 13,
155 upper));
156 ut_assertok(run_strtoull(uts, str4, 16, 0x1234567890123, 13,
157 upper));
158 ut_assertok(run_strtoull(uts, str5, 0, 0x9876543210, 12,
159 upper));
160
161 /* Invalid string */
162 ut_assertok(run_strtoull(uts, str1, 10, 0, 0, upper));
163
164 /* Base 0 */
165 ut_assertok(run_strtoull(uts, str1, 0, 0, 0, upper));
166 ut_assertok(run_strtoull(uts, str2, 0, 1099, 4, upper));
167 ut_assertok(run_strtoull(uts, str3, 0, 0xb, 3, upper));
168
169 /* Base 2 */
170 ut_assertok(run_strtoull(uts, str1, 2, 0, 0, upper));
171 ut_assertok(run_strtoull(uts, str2, 2, 2, 2, upper));
172 }
173
174 /* Check endp being NULL */
175 ut_asserteq(1099, simple_strtoull(str2, NULL, 0));
176
177 return 0;
178 }
179 STR_TEST(str_simple_strtoull, 0);
180
str_hextoul(struct unit_test_state * uts)181 static int str_hextoul(struct unit_test_state *uts)
182 {
183 char *endp;
184
185 /* Just a simple test, since we know this uses simple_strtoul() */
186 ut_asserteq(0x1099ab, hextoul(str2, &endp));
187 ut_asserteq(6, endp - str2);
188
189 return 0;
190 }
191 STR_TEST(str_hextoul, 0);
192
str_dectoul(struct unit_test_state * uts)193 static int str_dectoul(struct unit_test_state *uts)
194 {
195 char *endp;
196
197 /* Just a simple test, since we know this uses simple_strtoul() */
198 ut_asserteq(1099, dectoul(str2, &endp));
199 ut_asserteq(4, endp - str2);
200
201 return 0;
202 }
203 STR_TEST(str_dectoul, 0);
204
do_ut_str(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])205 int do_ut_str(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
206 {
207 struct unit_test *tests = UNIT_TEST_SUITE_START(str_test);
208 const int n_ents = UNIT_TEST_SUITE_COUNT(str_test);
209
210 return cmd_ut_category("str", "str_", tests, n_ents, argc, argv);
211 }
212