24 #define STRCMP_TEST_EXPECT_EQUAL(test, fn, ...) KUNIT_EXPECT_EQ(test, fn(__VA_ARGS__), 0)  argument
25 #define STRCMP_TEST_EXPECT_LOWER(test, fn, ...) KUNIT_EXPECT_LT(test, fn(__VA_ARGS__), 0)  argument
26 #define STRCMP_TEST_EXPECT_GREATER(test, fn, ...) KUNIT_EXPECT_GT(test, fn(__VA_ARGS__), 0)  argument
34 static void string_test_memset16(struct kunit *test)  in string_test_memset16()  argument
39 	p = kunit_kzalloc(test, 256 * 2 * 2, GFP_KERNEL);  in string_test_memset16()
40 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, p);  in string_test_memset16()
49 					KUNIT_ASSERT_EQ_MSG(test, v, 0xa1a1,  in string_test_memset16()
52 					KUNIT_ASSERT_EQ_MSG(test, v, 0xb1b2,  in string_test_memset16()
55 					KUNIT_ASSERT_EQ_MSG(test, v, 0xa1a1,  in string_test_memset16()
63 static void string_test_memset32(struct kunit *test)  in string_test_memset32()  argument
68 	p = kunit_kzalloc(test, 256 * 2 * 4, GFP_KERNEL);  in string_test_memset32()
69 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, p);  in string_test_memset32()
78 					KUNIT_ASSERT_EQ_MSG(test, v, 0xa1a1a1a1,  in string_test_memset32()
81 					KUNIT_ASSERT_EQ_MSG(test, v, 0xb1b2b3b4,  in string_test_memset32()
84 					KUNIT_ASSERT_EQ_MSG(test, v, 0xa1a1a1a1,  in string_test_memset32()
92 static void string_test_memset64(struct kunit *test)  in string_test_memset64()  argument
97 	p = kunit_kzalloc(test, 256 * 2 * 8, GFP_KERNEL);  in string_test_memset64()
98 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, p);  in string_test_memset64()
107 					KUNIT_ASSERT_EQ_MSG(test, v, 0xa1a1a1a1a1a1a1a1ULL,  in string_test_memset64()
110 					KUNIT_ASSERT_EQ_MSG(test, v, 0xb1b2b3b4b5b6b7b8ULL,  in string_test_memset64()
113 					KUNIT_ASSERT_EQ_MSG(test, v, 0xa1a1a1a1a1a1a1a1ULL,  in string_test_memset64()
121 static void string_test_strlen(struct kunit *test)  in string_test_strlen()  argument
128 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);  in string_test_strlen()
136 			KUNIT_EXPECT_EQ_MSG(test, strlen(s), len,  in string_test_strlen()
145 static void string_test_strnlen(struct kunit *test)  in string_test_strnlen()  argument
152 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);  in string_test_strnlen()
162 				KUNIT_EXPECT_EQ(test, strnlen(s, len - 1), len - 1);  in string_test_strnlen()
164 				KUNIT_EXPECT_EQ(test, strnlen(s, len - 2), len - 2);  in string_test_strnlen()
166 			KUNIT_EXPECT_EQ(test, strnlen(s, len), len);  in string_test_strnlen()
168 			KUNIT_EXPECT_EQ(test, strnlen(s, len + 1), len);  in string_test_strnlen()
169 			KUNIT_EXPECT_EQ(test, strnlen(s, len + 2), len);  in string_test_strnlen()
170 			KUNIT_EXPECT_EQ(test, strnlen(s, len + 10), len);  in string_test_strnlen()
179 static void string_test_strchr(struct kunit *test)  in string_test_strchr()  argument
188 		KUNIT_ASSERT_EQ_MSG(test, result - test_string, i,  in string_test_strchr()
193 	KUNIT_ASSERT_PTR_EQ(test, result, empty_string);  in string_test_strchr()
196 	KUNIT_ASSERT_NULL(test, result);  in string_test_strchr()
199 	KUNIT_ASSERT_NULL(test, result);  in string_test_strchr()
202 static void string_test_strrchr(struct kunit *test)  in string_test_strrchr()  argument
209 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf);  in string_test_strrchr()
218 			KUNIT_EXPECT_PTR_EQ(test, strrchr(s, 'Z'), NULL);  in string_test_strrchr()
221 				KUNIT_EXPECT_PTR_EQ(test, strrchr(s, 'A'), s + len - 1);  in string_test_strrchr()
223 				KUNIT_EXPECT_PTR_EQ(test, strrchr(s, 'A'), NULL);  in string_test_strrchr()
232 static void string_test_strnchr(struct kunit *test)  in string_test_strnchr()  argument
243 				KUNIT_ASSERT_NULL_MSG(test, result,  in string_test_strnchr()
246 				KUNIT_ASSERT_EQ_MSG(test, result - test_string, i,  in string_test_strnchr()
253 	KUNIT_ASSERT_NULL(test, result);  in string_test_strnchr()
256 	KUNIT_ASSERT_PTR_EQ(test, result, empty_string);  in string_test_strnchr()
259 	KUNIT_ASSERT_NULL(test, result);  in string_test_strnchr()
262 	KUNIT_ASSERT_NULL(test, result);  in string_test_strnchr()
265 static void string_test_strspn(struct kunit *test)  in string_test_strspn()  argument
283 		KUNIT_ASSERT_EQ_MSG(test, s->a, strspn(s->str, s->accept),  in string_test_strspn()
285 		KUNIT_ASSERT_EQ_MSG(test, s->r, strcspn(s->str, s->reject),  in string_test_strspn()
301 static void string_test_strcmp(struct kunit *test)  in string_test_strcmp()  argument
304 	STRCMP_TEST_EXPECT_EQUAL(test, strcmp, "Hello, Kernel!", "Hello, Kernel!");  in string_test_strcmp()
306 	STRCMP_TEST_EXPECT_LOWER(test, strcmp, "Hello, KUnit!", "Hello, Kernel!");  in string_test_strcmp()
308 	STRCMP_TEST_EXPECT_GREATER(test, strcmp, "Hello, Kernel!", "Hello, KUnit!");  in string_test_strcmp()
310 	STRCMP_TEST_EXPECT_LOWER(test, strcmp, "", "Non-empty string");  in string_test_strcmp()
312 	STRCMP_TEST_EXPECT_EQUAL(test, strcmp, "", "");  in string_test_strcmp()
314 	STRCMP_TEST_EXPECT_LOWER(test, strcmp, "Abacaba", "Abadaba");  in string_test_strcmp()
316 	STRCMP_TEST_EXPECT_LOWER(test, strcmp, "Just a string", "Just a string and something else");  in string_test_strcmp()
319 static void string_test_strcmp_long_strings(struct kunit *test)  in string_test_strcmp_long_strings()  argument
322 	STRCMP_TEST_EXPECT_EQUAL(test, strcmp, strcmp_buffer1, strcmp_buffer2);  in string_test_strcmp_long_strings()
325 	STRCMP_TEST_EXPECT_LOWER(test, strcmp, strcmp_buffer1, strcmp_buffer2);  in string_test_strcmp_long_strings()
328 	STRCMP_TEST_EXPECT_GREATER(test, strcmp, strcmp_buffer1, strcmp_buffer2);  in string_test_strcmp_long_strings()
331 static void string_test_strncmp(struct kunit *test)  in string_test_strncmp()  argument
334 	STRCMP_TEST_EXPECT_EQUAL(test, strncmp, "Hello, KUnit!", "Hello, KUnit!", 13);  in string_test_strncmp()
336 	STRCMP_TEST_EXPECT_LOWER(test, strncmp, "Hello, KUnit!", "Hello, Kernel!", 13);  in string_test_strncmp()
338 	STRCMP_TEST_EXPECT_EQUAL(test, strncmp, "Hello, Kernel!", "Hello, KUnit!", 0);  in string_test_strncmp()
340 	STRCMP_TEST_EXPECT_EQUAL(test, strncmp, "Abacaba", "Abadaba", 3);  in string_test_strncmp()
342 	STRCMP_TEST_EXPECT_LOWER(test, strncmp, "Abacaba", "Abadaba", 4);  in string_test_strncmp()
344 	STRCMP_TEST_EXPECT_LOWER(test, strncmp, "Just a string", "Just a string and something else",  in string_test_strncmp()
350 	STRCMP_TEST_EXPECT_EQUAL(test, strncmp, "Just a string", "Just a string and something else",  in string_test_strncmp()
354 static void string_test_strncmp_long_strings(struct kunit *test)  in string_test_strncmp_long_strings()  argument
357 	STRCMP_TEST_EXPECT_EQUAL(test, strncmp, strcmp_buffer1,  in string_test_strncmp_long_strings()
361 	STRCMP_TEST_EXPECT_LOWER(test, strncmp, strcmp_buffer1,  in string_test_strncmp_long_strings()
365 	STRCMP_TEST_EXPECT_GREATER(test, strncmp, strcmp_buffer1,  in string_test_strncmp_long_strings()
368 	STRCMP_TEST_EXPECT_EQUAL(test, strncmp, strcmp_buffer1,  in string_test_strncmp_long_strings()
370 	STRCMP_TEST_EXPECT_GREATER(test, strncmp, strcmp_buffer1,  in string_test_strncmp_long_strings()
374 static void string_test_strcasecmp(struct kunit *test)  in string_test_strcasecmp()  argument
377 	STRCMP_TEST_EXPECT_EQUAL(test, strcasecmp, "Hello, Kernel!", "HeLLO, KErNeL!");  in string_test_strcasecmp()
379 	STRCMP_TEST_EXPECT_EQUAL(test, strcasecmp, "", "");  in string_test_strcasecmp()
381 	STRCMP_TEST_EXPECT_LOWER(test, strcasecmp, "a", "B");  in string_test_strcasecmp()
382 	STRCMP_TEST_EXPECT_GREATER(test, strcasecmp, "B", "a");  in string_test_strcasecmp()
384 	STRCMP_TEST_EXPECT_EQUAL(test, strcasecmp, "-+**.1230ghTTT~^", "-+**.1230Ghttt~^");  in string_test_strcasecmp()
387 static void string_test_strcasecmp_long_strings(struct kunit *test)  in string_test_strcasecmp_long_strings()  argument
390 	STRCMP_TEST_EXPECT_EQUAL(test, strcasecmp, strcmp_buffer1, strcmp_buffer2);  in string_test_strcasecmp_long_strings()
393 	STRCMP_TEST_EXPECT_LOWER(test, strcasecmp, strcmp_buffer1, strcmp_buffer2);  in string_test_strcasecmp_long_strings()
396 	STRCMP_TEST_EXPECT_GREATER(test, strcasecmp, strcmp_buffer1, strcmp_buffer2);  in string_test_strcasecmp_long_strings()
399 static void string_test_strncasecmp(struct kunit *test)  in string_test_strncasecmp()  argument
402 	STRCMP_TEST_EXPECT_EQUAL(test, strncasecmp, "AbAcAbA", "Abacaba", strlen("Abacaba"));  in string_test_strncasecmp()
404 	STRCMP_TEST_EXPECT_EQUAL(test, strncasecmp, "AbaCaBa", "abaCaDa", 5);  in string_test_strncasecmp()
405 	STRCMP_TEST_EXPECT_LOWER(test, strncasecmp, "a", "B", 1);  in string_test_strncasecmp()
406 	STRCMP_TEST_EXPECT_GREATER(test, strncasecmp, "B", "a", 1);  in string_test_strncasecmp()
408 	STRCMP_TEST_EXPECT_EQUAL(test, strncasecmp, "Abacaba", "Not abacaba", 0);  in string_test_strncasecmp()
411 static void string_test_strncasecmp_long_strings(struct kunit *test)  in string_test_strncasecmp_long_strings()  argument
414 	STRCMP_TEST_EXPECT_EQUAL(test, strncasecmp, strcmp_buffer1,  in string_test_strncasecmp_long_strings()
418 	STRCMP_TEST_EXPECT_LOWER(test, strncasecmp, strcmp_buffer1,  in string_test_strncasecmp_long_strings()
422 	STRCMP_TEST_EXPECT_GREATER(test, strncasecmp, strcmp_buffer1,  in string_test_strncasecmp_long_strings()
425 	STRCMP_TEST_EXPECT_EQUAL(test, strncasecmp, strcmp_buffer1,  in string_test_strncasecmp_long_strings()
427 	STRCMP_TEST_EXPECT_GREATER(test, strncasecmp, strcmp_buffer1,  in string_test_strncasecmp_long_strings()
446 static void strscpy_check(struct kunit *test, char *src, int count,  in strscpy_check()  argument
457 	KUNIT_ASSERT_TRUE_MSG(test, src != NULL,  in strscpy_check()
465 	KUNIT_ASSERT_LE_MSG(test, count, max_count,  in strscpy_check()
467 	KUNIT_EXPECT_LE_MSG(test, expected, max_expected,  in strscpy_check()
472 	KUNIT_ASSERT_EQ(test, written, expected);  in strscpy_check()
475 		KUNIT_ASSERT_EQ_MSG(test, 0, strncmp(buf, src, count - 1),  in strscpy_check()
477 		KUNIT_ASSERT_EQ_MSG(test, buf[count - 1], '\0',  in strscpy_check()
482 		KUNIT_ASSERT_EQ_MSG(test, buf[i], src[i],  in strscpy_check()
486 		KUNIT_ASSERT_EQ_MSG(test, buf[count - 1], '\0',  in strscpy_check()
491 		KUNIT_ASSERT_EQ_MSG(test, buf[index], '\0',  in strscpy_check()
498 		KUNIT_ASSERT_EQ_MSG(test, buf[index], POISON,  in strscpy_check()
503 static void string_test_strscpy(struct kunit *test)  in string_test_strscpy()  argument
517 	strscpy_check(test, "a", 0, -E2BIG, 0, 0, 0);  in string_test_strscpy()
518 	strscpy_check(test, "",  0, -E2BIG, 0, 0, 0);  in string_test_strscpy()
520 	strscpy_check(test, "a", 1, -E2BIG, 0, 1, 0);  in string_test_strscpy()
521 	strscpy_check(test, "",  1, 0,	 0, 1, 0);  in string_test_strscpy()
523 	strscpy_check(test, "ab", 2, -E2BIG, 1, 1, 0);  in string_test_strscpy()
524 	strscpy_check(test, "a",  2, 1,	  1, 1, 0);  in string_test_strscpy()
525 	strscpy_check(test, "",   2, 0,	  0, 1, 1);  in string_test_strscpy()
527 	strscpy_check(test, "abc", 3, -E2BIG, 2, 1, 0);  in string_test_strscpy()
528 	strscpy_check(test, "ab",  3, 2,	   2, 1, 0);  in string_test_strscpy()
529 	strscpy_check(test, "a",   3, 1,	   1, 1, 1);  in string_test_strscpy()
530 	strscpy_check(test, "",    3, 0,	   0, 1, 2);  in string_test_strscpy()
532 	strscpy_check(test, "abcd", 4, -E2BIG, 3, 1, 0);  in string_test_strscpy()
533 	strscpy_check(test, "abc",  4, 3,	    3, 1, 0);  in string_test_strscpy()
534 	strscpy_check(test, "ab",   4, 2,	    2, 1, 1);  in string_test_strscpy()
535 	strscpy_check(test, "a",    4, 1,	    1, 1, 2);  in string_test_strscpy()
536 	strscpy_check(test, "",     4, 0,	    0, 1, 3);  in string_test_strscpy()
539 	KUNIT_EXPECT_EQ(test, strscpy(dest, "", ARRAY_SIZE(dest)), 0);  in string_test_strscpy()
540 	KUNIT_EXPECT_EQ(test, strscpy(dest, "", 3), 0);  in string_test_strscpy()
541 	KUNIT_EXPECT_EQ(test, strscpy(dest, "", 1), 0);  in string_test_strscpy()
542 	KUNIT_EXPECT_EQ(test, strscpy(dest, "", 0), -E2BIG);  in string_test_strscpy()
543 	KUNIT_EXPECT_EQ(test, strscpy(dest, "Fixed", ARRAY_SIZE(dest)), 5);  in string_test_strscpy()
544 	KUNIT_EXPECT_EQ(test, strscpy(dest, "Fixed", 3), -E2BIG);  in string_test_strscpy()
545 	KUNIT_EXPECT_EQ(test, strscpy(dest, "Fixed", 1), -E2BIG);  in string_test_strscpy()
546 	KUNIT_EXPECT_EQ(test, strscpy(dest, "Fixed", 0), -E2BIG);  in string_test_strscpy()
547 	KUNIT_EXPECT_EQ(test, strscpy(dest, "This is too long", ARRAY_SIZE(dest)), -E2BIG);  in string_test_strscpy()
552 static void string_test_strcat(struct kunit *test)  in string_test_strcat()  argument
558 	KUNIT_EXPECT_EQ(test, strlen(dest), 0);  in string_test_strcat()
560 	KUNIT_EXPECT_TRUE(test, strcat(dest, "") == dest);  in string_test_strcat()
561 	KUNIT_EXPECT_STREQ(test, dest, "");  in string_test_strcat()
563 	KUNIT_EXPECT_TRUE(test, strcat(dest, "four\000123") == dest);  in string_test_strcat()
564 	KUNIT_EXPECT_STREQ(test, dest, "four");  in string_test_strcat()
565 	KUNIT_EXPECT_EQ(test, dest[5], '\0');  in string_test_strcat()
567 	KUNIT_EXPECT_TRUE(test, strcat(dest, "AB") == dest);  in string_test_strcat()
568 	KUNIT_EXPECT_STREQ(test, dest, "fourAB");  in string_test_strcat()
571 static void string_test_strncat(struct kunit *test)  in string_test_strncat()  argument
577 	KUNIT_EXPECT_EQ(test, strlen(dest), 0);  in string_test_strncat()
579 	KUNIT_EXPECT_TRUE(test, strncat(dest, "", 0 + unconst) == dest);  in string_test_strncat()
580 	KUNIT_EXPECT_STREQ(test, dest, "");  in string_test_strncat()
582 	KUNIT_EXPECT_TRUE(test, strncat(dest, "", 1 + unconst) == dest);  in string_test_strncat()
583 	KUNIT_EXPECT_STREQ(test, dest, "");  in string_test_strncat()
585 	KUNIT_EXPECT_TRUE(test, strncat(dest, "asdf", 0 + unconst) == dest);  in string_test_strncat()
586 	KUNIT_EXPECT_STREQ(test, dest, "");  in string_test_strncat()
589 	KUNIT_EXPECT_TRUE(test, strncat(dest, "four\000123", 8 + unconst) == dest);  in string_test_strncat()
590 	KUNIT_EXPECT_STREQ(test, dest, "four");  in string_test_strncat()
591 	KUNIT_EXPECT_EQ(test, dest[5], '\0');  in string_test_strncat()
592 	KUNIT_EXPECT_EQ(test, dest[6], '\0');  in string_test_strncat()
594 	KUNIT_EXPECT_TRUE(test, strncat(dest, "ABCD", 2 + unconst) == dest);  in string_test_strncat()
595 	KUNIT_EXPECT_STREQ(test, dest, "fourAB");  in string_test_strncat()
598 static void string_test_strlcat(struct kunit *test)  in string_test_strlcat()  argument
604 	KUNIT_EXPECT_EQ(test, strlen(dest), 0);  in string_test_strlcat()
606 	KUNIT_EXPECT_EQ(test, strlcat(dest, "", len), 0);  in string_test_strlcat()
607 	KUNIT_EXPECT_STREQ(test, dest, "");  in string_test_strlcat()
609 	KUNIT_EXPECT_EQ(test, strlcat(dest, "four", 1 + unconst), 4);  in string_test_strlcat()
610 	KUNIT_EXPECT_STREQ(test, dest, "");  in string_test_strlcat()
613 	KUNIT_EXPECT_EQ(test, strlcat(dest, "four", len), 4);  in string_test_strlcat()
614 	KUNIT_EXPECT_STREQ(test, dest, "four");  in string_test_strlcat()
616 	KUNIT_EXPECT_EQ(test, strlcat(dest, "AB", len), 6);  in string_test_strlcat()
617 	KUNIT_EXPECT_STREQ(test, dest, "fourAB");  in string_test_strlcat()
619 	KUNIT_EXPECT_EQ(test, strlcat(dest, "CD", 7 + unconst), 8);  in string_test_strlcat()
620 	KUNIT_EXPECT_STREQ(test, dest, "fourAB");  in string_test_strlcat()
622 	KUNIT_EXPECT_EQ(test, strlcat(dest, "EFG", len), 9);  in string_test_strlcat()
623 	KUNIT_EXPECT_STREQ(test, dest, "fourABE");  in string_test_strlcat()
625 	KUNIT_EXPECT_EQ(test, strlcat(dest, "1234", len), 11);  in string_test_strlcat()
626 	KUNIT_EXPECT_STREQ(test, dest, "fourABE");  in string_test_strlcat()
629 static void string_test_strtomem(struct kunit *test)  in string_test_strtomem()  argument
640 	KUNIT_EXPECT_EQ_MSG(test, wrap.canary1, ULONG_MAX,  in string_test_strtomem()
642 	KUNIT_EXPECT_EQ_MSG(test, wrap.canary2, ULONG_MAX,  in string_test_strtomem()
647 	KUNIT_EXPECT_EQ(test, wrap.canary1, ULONG_MAX);  in string_test_strtomem()
648 	KUNIT_EXPECT_EQ(test, wrap.output[0], input[0]);  in string_test_strtomem()
649 	KUNIT_EXPECT_EQ(test, wrap.output[1], input[1]);  in string_test_strtomem()
651 		KUNIT_EXPECT_EQ(test, wrap.output[i], 0xFF);  in string_test_strtomem()
652 	KUNIT_EXPECT_EQ(test, wrap.canary2, ULONG_MAX);  in string_test_strtomem()
657 	KUNIT_EXPECT_EQ(test, wrap.canary1, ULONG_MAX);  in string_test_strtomem()
659 		KUNIT_EXPECT_EQ(test, wrap.output[i], truncate[i]);  in string_test_strtomem()
660 	KUNIT_EXPECT_EQ(test, wrap.canary2, ULONG_MAX);  in string_test_strtomem()
665 	KUNIT_EXPECT_EQ(test, wrap.canary1, ULONG_MAX);  in string_test_strtomem()
666 	KUNIT_EXPECT_EQ(test, wrap.output[0], input[0]);  in string_test_strtomem()
667 	KUNIT_EXPECT_EQ(test, wrap.output[1], input[1]);  in string_test_strtomem()
669 		KUNIT_EXPECT_EQ(test, wrap.output[i], 0xAA);  in string_test_strtomem()
670 	KUNIT_EXPECT_EQ(test, wrap.canary2, ULONG_MAX);  in string_test_strtomem()
675 	KUNIT_EXPECT_EQ(test, wrap.canary1, ULONG_MAX);  in string_test_strtomem()
677 		KUNIT_EXPECT_EQ(test, wrap.output[i], truncate[i]);  in string_test_strtomem()
678 	KUNIT_EXPECT_EQ(test, wrap.canary2, ULONG_MAX);  in string_test_strtomem()
682 static void string_test_memtostr(struct kunit *test)  in string_test_memtostr()  argument
689 	KUNIT_EXPECT_EQ(test, sizeof(dest), sizeof(nonstring) + 1);  in string_test_memtostr()
692 	KUNIT_EXPECT_STREQ(test, dest, "abcdefg");  in string_test_memtostr()
695 	KUNIT_EXPECT_STREQ(test, dest, "abc");  in string_test_memtostr()
696 	KUNIT_EXPECT_EQ(test, dest[7], 'X');  in string_test_memtostr()
700 	KUNIT_EXPECT_STREQ(test, dest, "abcdefg");  in string_test_memtostr()
703 	KUNIT_EXPECT_STREQ(test, dest, "abc");  in string_test_memtostr()
704 	KUNIT_EXPECT_EQ(test, dest[7], '\0');  in string_test_memtostr()
707 static void string_test_strends(struct kunit *test)  in string_test_strends()  argument
709 	KUNIT_EXPECT_TRUE(test, strends("foo-bar", "bar"));  in string_test_strends()
710 	KUNIT_EXPECT_TRUE(test, strends("foo-bar", "-bar"));  in string_test_strends()
711 	KUNIT_EXPECT_TRUE(test, strends("foobar", "foobar"));  in string_test_strends()
712 	KUNIT_EXPECT_TRUE(test, strends("foobar", ""));  in string_test_strends()
713 	KUNIT_EXPECT_FALSE(test, strends("bar", "foobar"));  in string_test_strends()
714 	KUNIT_EXPECT_FALSE(test, strends("", "foo"));  in string_test_strends()
715 	KUNIT_EXPECT_FALSE(test, strends("foobar", "ba"));  in string_test_strends()
716 	KUNIT_EXPECT_TRUE(test, strends("", ""));  in string_test_strends()
735 static void *alloc_max_bench_buffer(struct kunit *test, const size_t *lens,  in alloc_max_bench_buffer()  argument
747 	buf = kunit_kzalloc(test, max_len, GFP_KERNEL);  in alloc_max_bench_buffer()
831 #define STRING_BENCH_BUF(test, buf_name, buf_size, func, ...)		\  argument
837 	_bn_buf = alloc_max_bench_buffer(test, bench_lens,		\
839 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, _bn_buf);			\
855 		kunit_info(test, "len=%zu: %llu MB/s (%llu ns/call)\n",	\
860 #define STRING_BENCH_BUF(test, buf_name, buf_size, func, ...)		\  argument
861 	kunit_skip(test, "not enabled")
864 static void string_bench_strlen(struct kunit *test)  in string_bench_strlen()  argument
866 	STRING_BENCH_BUF(test, buf, len, strlen, buf);  in string_bench_strlen()
869 static void string_bench_strnlen(struct kunit *test)  in string_bench_strnlen()  argument
871 	STRING_BENCH_BUF(test, buf, len, strnlen, buf, len);  in string_bench_strnlen()
874 static void string_bench_strchr(struct kunit *test)  in string_bench_strchr()  argument
876 	STRING_BENCH_BUF(test, buf, len, strchr, buf, '\0');  in string_bench_strchr()
879 static void string_bench_strrchr(struct kunit *test)  in string_bench_strrchr()  argument
881 	STRING_BENCH_BUF(test, buf, len, strrchr, buf, '\0');  in string_bench_strrchr()