1 // SPDX-License-Identifier: GPL-2.0-only
23 	u16 v, *p;  in string_test_memset16()  local
25 	p = kunit_kzalloc(test, 256 * 2 * 2, GFP_KERNEL);  in string_test_memset16()
26 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, p);  in string_test_memset16()
28 	for (i = 0; i < 256; i++) {  in string_test_memset16()
29 		for (j = 0; j < 256; j++) {  in string_test_memset16()
30 			memset(p, 0xa1, 256 * 2 * sizeof(v));  in string_test_memset16()
31 			memset16(p + i, 0xb1b2, j);  in string_test_memset16()
33 				v = p[k];  in string_test_memset16()
52 	u32 v, *p;  in string_test_memset32()  local
54 	p = kunit_kzalloc(test, 256 * 2 * 4, GFP_KERNEL);  in string_test_memset32()
55 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, p);  in string_test_memset32()
57 	for (i = 0; i < 256; i++) {  in string_test_memset32()
58 		for (j = 0; j < 256; j++) {  in string_test_memset32()
59 			memset(p, 0xa1, 256 * 2 * sizeof(v));  in string_test_memset32()
60 			memset32(p + i, 0xb1b2b3b4, j);  in string_test_memset32()
62 				v = p[k];  in string_test_memset32()
81 	u64 v, *p;  in string_test_memset64()  local
83 	p = kunit_kzalloc(test, 256 * 2 * 8, GFP_KERNEL);  in string_test_memset64()
84 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, p);  in string_test_memset64()
86 	for (i = 0; i < 256; i++) {  in string_test_memset64()
87 		for (j = 0; j < 256; j++) {  in string_test_memset64()
88 			memset(p, 0xa1, 256 * 2 * sizeof(v));  in string_test_memset64()
89 			memset64(p + i, 0xb1b2b3b4b5b6b7b8ULL, j);  in string_test_memset64()
91 				v = p[k];  in string_test_memset64()
116 		KUNIT_ASSERT_EQ_MSG(test, result - test_string, i,  in string_test_strchr()
144 				KUNIT_ASSERT_EQ_MSG(test, result - test_string, i,  in string_test_strnchr()
181 		KUNIT_ASSERT_EQ_MSG(test, s->a, strspn(s->str, s->accept),  in string_test_strspn()
183 		KUNIT_ASSERT_EQ_MSG(test, s->r, strcspn(s->str, s->reject),  in string_test_strspn()
195 	strcmp_buffer1[STRCMP_LARGE_BUF_LEN - 1] = 0;  in strcmp_fill_buffers()
196 	strcmp_buffer2[STRCMP_LARGE_BUF_LEN - 1] = 0;  in strcmp_fill_buffers()
207 	/* Empty string is always lexicographically less than any non-empty string */  in string_test_strcmp()
208 	STRCMP_TEST_EXPECT_LOWER(test, strcmp, "", "Non-empty string");  in string_test_strcmp()
282 	STRCMP_TEST_EXPECT_EQUAL(test, strcasecmp, "-+**.1230ghTTT~^", "-+**.1230Ghttt~^");  in string_test_strcasecmp()
330  * strscpy_check() - Run a specific test case.
360 	max_count = sizeof(buf) - 2; /* Space for null and to verify overflow */  in strscpy_check()
361 	max_expected = count - 1;    /* Space for the null */  in strscpy_check()
372 	if (count && written == -E2BIG) {  in strscpy_check()
373 		KUNIT_ASSERT_EQ_MSG(test, 0, strncmp(buf, src, count - 1),  in strscpy_check()
374 			"buffer state invalid for -E2BIG");  in strscpy_check()
375 		KUNIT_ASSERT_EQ_MSG(test, buf[count - 1], '\0',  in strscpy_check()
384 		KUNIT_ASSERT_EQ_MSG(test, buf[count - 1], '\0',  in strscpy_check()
393 	nr_bytes_poison = sizeof(buf) - chars - terminator - pad;  in strscpy_check()
395 		index = sizeof(buf) - 1 - i; /* Check from the end back */  in strscpy_check()
415 	strscpy_check(test, "a", 0, -E2BIG, 0, 0, 0);  in string_test_strscpy()
416 	strscpy_check(test, "",  0, -E2BIG, 0, 0, 0);  in string_test_strscpy()
418 	strscpy_check(test, "a", 1, -E2BIG, 0, 1, 0);  in string_test_strscpy()
421 	strscpy_check(test, "ab", 2, -E2BIG, 1, 1, 0);  in string_test_strscpy()
425 	strscpy_check(test, "abc", 3, -E2BIG, 2, 1, 0);  in string_test_strscpy()
430 	strscpy_check(test, "abcd", 4, -E2BIG, 3, 1, 0);  in string_test_strscpy()
436 	/* Compile-time-known source strings. */  in string_test_strscpy()
440 	KUNIT_EXPECT_EQ(test, strscpy(dest, "", 0), -E2BIG);  in string_test_strscpy()
442 	KUNIT_EXPECT_EQ(test, strscpy(dest, "Fixed", 3), -E2BIG);  in string_test_strscpy()
443 	KUNIT_EXPECT_EQ(test, strscpy(dest, "Fixed", 1), -E2BIG);  in string_test_strscpy()
444 	KUNIT_EXPECT_EQ(test, strscpy(dest, "Fixed", 0), -E2BIG);  in string_test_strscpy()
445 	KUNIT_EXPECT_EQ(test, strscpy(dest, "This is too long", ARRAY_SIZE(dest)), -E2BIG);  in string_test_strscpy()
586 	/* Copy in a non-NUL-terminated string into exactly right-sized dest. */  in string_test_memtostr()