8 #include <kunit/test.h>
65 /* Test hfsplus_strcasecmp function */
66 static void hfsplus_strcasecmp_test(struct kunit *test)  in hfsplus_strcasecmp_test()  argument
71 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_strcasecmp_test()
73 	/* Test identical strings */  in hfsplus_strcasecmp_test()
76 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
79 	/* Test case insensitive comparison */  in hfsplus_strcasecmp_test()
82 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
87 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
90 	/* Test different strings */  in hfsplus_strcasecmp_test()
93 	KUNIT_EXPECT_LT(test, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
98 	KUNIT_EXPECT_GT(test, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
101 	/* Test different lengths */  in hfsplus_strcasecmp_test()
102 	create_unistr(&mock_env->str1, "test");  in hfsplus_strcasecmp_test()
104 	KUNIT_EXPECT_LT(test, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
108 	create_unistr(&mock_env->str2, "test");  in hfsplus_strcasecmp_test()
109 	KUNIT_EXPECT_GT(test, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
112 	/* Test empty strings */  in hfsplus_strcasecmp_test()
115 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
119 	create_unistr(&mock_env->str2, "test");  in hfsplus_strcasecmp_test()
120 	KUNIT_EXPECT_LT(test, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
123 	/* Test single characters */  in hfsplus_strcasecmp_test()
126 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
131 	KUNIT_EXPECT_LT(test, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
134 	/* Test maximum length strings */  in hfsplus_strcasecmp_test()
139 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
145 	KUNIT_EXPECT_LT(test, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
148 	/* Test corrupted strings */  in hfsplus_strcasecmp_test()
152 	KUNIT_EXPECT_NE(test, 0, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
158 	KUNIT_EXPECT_NE(test, 0, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
161 	create_unistr(&mock_env->str1, "test");  in hfsplus_strcasecmp_test()
164 	KUNIT_EXPECT_GT(test, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
167 	create_unistr(&mock_env->str1, "test");  in hfsplus_strcasecmp_test()
170 	KUNIT_EXPECT_LT(test, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
175 	create_unistr(&mock_env->str2, "test");  in hfsplus_strcasecmp_test()
176 	KUNIT_EXPECT_GT(test, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
180 	create_unistr(&mock_env->str2, "test");  in hfsplus_strcasecmp_test()
182 	KUNIT_EXPECT_LT(test, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_strcasecmp_test()
188 /* Test hfsplus_strcmp function (case-sensitive) */
189 static void hfsplus_strcmp_test(struct kunit *test)  in hfsplus_strcmp_test()  argument
194 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_strcmp_test()
196 	/* Test identical strings */  in hfsplus_strcmp_test()
199 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
202 	/* Test case sensitive comparison - should NOT be equal */  in hfsplus_strcmp_test()
205 	KUNIT_EXPECT_NE(test, 0, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
208 	KUNIT_EXPECT_LT(test, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
211 	/* Test lexicographic ordering */  in hfsplus_strcmp_test()
214 	KUNIT_EXPECT_LT(test, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
219 	KUNIT_EXPECT_GT(test, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
222 	/* Test different lengths with common prefix */  in hfsplus_strcmp_test()
223 	create_unistr(&mock_env->str1, "test");  in hfsplus_strcmp_test()
225 	KUNIT_EXPECT_LT(test, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
229 	create_unistr(&mock_env->str2, "test");  in hfsplus_strcmp_test()
230 	KUNIT_EXPECT_GT(test, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
233 	/* Test empty strings */  in hfsplus_strcmp_test()
236 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
239 	/* Test maximum length strings */  in hfsplus_strcmp_test()
244 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
250 	KUNIT_EXPECT_LT(test, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
253 	/* Test corrupted strings */  in hfsplus_strcmp_test()
257 	KUNIT_EXPECT_NE(test, 0, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
263 	KUNIT_EXPECT_NE(test, 0, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
266 	create_unistr(&mock_env->str1, "test");  in hfsplus_strcmp_test()
269 	KUNIT_EXPECT_LT(test, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
272 	create_unistr(&mock_env->str1, "test");  in hfsplus_strcmp_test()
275 	KUNIT_EXPECT_LT(test, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
280 	create_unistr(&mock_env->str2, "test");  in hfsplus_strcmp_test()
281 	KUNIT_EXPECT_GT(test, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
285 	create_unistr(&mock_env->str2, "test");  in hfsplus_strcmp_test()
287 	KUNIT_EXPECT_GT(test, hfsplus_strcmp(&mock_env->str1,  in hfsplus_strcmp_test()
293 /* Test Unicode edge cases */
294 static void hfsplus_unicode_edge_cases_test(struct kunit *test)  in hfsplus_unicode_edge_cases_test()  argument
299 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_unicode_edge_cases_test()
301 	/* Test with special characters */  in hfsplus_unicode_edge_cases_test()
312 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcmp(&mock_env->str1,  in hfsplus_unicode_edge_cases_test()
314 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_unicode_edge_cases_test()
317 	/* Test with different special characters */  in hfsplus_unicode_edge_cases_test()
319 	KUNIT_EXPECT_NE(test, 0, hfsplus_strcmp(&mock_env->str1,  in hfsplus_unicode_edge_cases_test()
322 	/* Test null characters within string (should be handled correctly) */  in hfsplus_unicode_edge_cases_test()
333 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcmp(&mock_env->str1,  in hfsplus_unicode_edge_cases_test()
339 /* Test boundary conditions */
340 static void hfsplus_unicode_boundary_test(struct kunit *test)  in hfsplus_unicode_boundary_test()  argument
346 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_unicode_boundary_test()
348 	/* Test maximum length boundary */  in hfsplus_unicode_boundary_test()
357 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcmp(&mock_env->str1,  in hfsplus_unicode_boundary_test()
362 	KUNIT_EXPECT_LT(test, hfsplus_strcmp(&mock_env->str1,  in hfsplus_unicode_boundary_test()
365 	/* Test zero length strings */  in hfsplus_unicode_boundary_test()
368 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcmp(&mock_env->str1,  in hfsplus_unicode_boundary_test()
370 	KUNIT_EXPECT_EQ(test, 0, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_unicode_boundary_test()
373 	/* Test one character vs empty */  in hfsplus_unicode_boundary_test()
377 	KUNIT_EXPECT_GT(test, hfsplus_strcmp(&mock_env->str1,  in hfsplus_unicode_boundary_test()
379 	KUNIT_EXPECT_GT(test, hfsplus_strcasecmp(&mock_env->str1,  in hfsplus_unicode_boundary_test()
433 /* Test hfsplus_uni2asc basic functionality */
434 static void hfsplus_uni2asc_basic_test(struct kunit *test)  in hfsplus_uni2asc_basic_test()  argument
441 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_uni2asc_basic_test()
444 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_uni2asc_basic_test()
448 	/* Test simple ASCII string conversion */  in hfsplus_uni2asc_basic_test()
454 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_uni2asc_basic_test()
455 	KUNIT_EXPECT_EQ(test, 5, len);  in hfsplus_uni2asc_basic_test()
456 	KUNIT_EXPECT_STREQ(test, "hello", mock_env->buf);  in hfsplus_uni2asc_basic_test()
458 	/* Test empty string */  in hfsplus_uni2asc_basic_test()
464 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_uni2asc_basic_test()
465 	KUNIT_EXPECT_EQ(test, 0, len);  in hfsplus_uni2asc_basic_test()
467 	/* Test single character */  in hfsplus_uni2asc_basic_test()
473 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_uni2asc_basic_test()
474 	KUNIT_EXPECT_EQ(test, 1, len);  in hfsplus_uni2asc_basic_test()
475 	KUNIT_EXPECT_EQ(test, 'A', mock_env->buf[0]);  in hfsplus_uni2asc_basic_test()
481 /* Test special character handling */
482 static void hfsplus_uni2asc_special_chars_test(struct kunit *test)  in hfsplus_uni2asc_special_chars_test()  argument
489 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_uni2asc_special_chars_test()
492 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_uni2asc_special_chars_test()
496 	/* Test null character conversion (should become 0x2400) */  in hfsplus_uni2asc_special_chars_test()
503 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_uni2asc_special_chars_test()
504 	KUNIT_EXPECT_EQ(test, 1, len);  in hfsplus_uni2asc_special_chars_test()
505 	/* Our test implementation returns '?' for non-ASCII */  in hfsplus_uni2asc_special_chars_test()
506 	KUNIT_EXPECT_EQ(test, '?', mock_env->buf[0]);  in hfsplus_uni2asc_special_chars_test()
508 	/* Test forward slash conversion (should become colon) */  in hfsplus_uni2asc_special_chars_test()
515 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_uni2asc_special_chars_test()
516 	KUNIT_EXPECT_EQ(test, 1, len);  in hfsplus_uni2asc_special_chars_test()
517 	KUNIT_EXPECT_EQ(test, ':', mock_env->buf[0]);  in hfsplus_uni2asc_special_chars_test()
519 	/* Test string with mixed special characters */  in hfsplus_uni2asc_special_chars_test()
528 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_uni2asc_special_chars_test()
529 	KUNIT_EXPECT_EQ(test, 3, len);  in hfsplus_uni2asc_special_chars_test()
530 	KUNIT_EXPECT_EQ(test, 'a', mock_env->buf[0]);  in hfsplus_uni2asc_special_chars_test()
531 	KUNIT_EXPECT_EQ(test, ':', mock_env->buf[1]);  in hfsplus_uni2asc_special_chars_test()
532 	KUNIT_EXPECT_EQ(test, 'b', mock_env->buf[2]);  in hfsplus_uni2asc_special_chars_test()
538 /* Test buffer length handling */
539 static void hfsplus_uni2asc_buffer_test(struct kunit *test)  in hfsplus_uni2asc_buffer_test()  argument
546 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_uni2asc_buffer_test()
549 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_uni2asc_buffer_test()
553 	/* Test insufficient buffer space */  in hfsplus_uni2asc_buffer_test()
559 	KUNIT_EXPECT_EQ(test, -ENAMETOOLONG, result);  in hfsplus_uni2asc_buffer_test()
560 	KUNIT_EXPECT_EQ(test, 5, len); /* Should be set to consumed length */  in hfsplus_uni2asc_buffer_test()
562 	/* Test exact buffer size */  in hfsplus_uni2asc_buffer_test()
568 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_uni2asc_buffer_test()
569 	KUNIT_EXPECT_EQ(test, 5, len);  in hfsplus_uni2asc_buffer_test()
571 	/* Test zero length buffer */  in hfsplus_uni2asc_buffer_test()
572 	create_unistr(&mock_env->str1, "test");  in hfsplus_uni2asc_buffer_test()
577 	KUNIT_EXPECT_EQ(test, -ENAMETOOLONG, result);  in hfsplus_uni2asc_buffer_test()
578 	KUNIT_EXPECT_EQ(test, 0, len);  in hfsplus_uni2asc_buffer_test()
584 /* Test corrupted unicode string handling */
585 static void hfsplus_uni2asc_corrupted_test(struct kunit *test)  in hfsplus_uni2asc_corrupted_test()  argument
592 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_uni2asc_corrupted_test()
595 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_uni2asc_corrupted_test()
599 	/* Test corrupted length (too large) */  in hfsplus_uni2asc_corrupted_test()
600 	create_unistr(&mock_env->str1, "test");  in hfsplus_uni2asc_corrupted_test()
608 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_uni2asc_corrupted_test()
613 	KUNIT_EXPECT_GT(test, len, 0);  in hfsplus_uni2asc_corrupted_test()
619 /* Test edge cases and boundary conditions */
620 static void hfsplus_uni2asc_edge_cases_test(struct kunit *test)  in hfsplus_uni2asc_edge_cases_test()  argument
628 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_uni2asc_edge_cases_test()
631 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_uni2asc_edge_cases_test()
635 	/* Test maximum length string */  in hfsplus_uni2asc_edge_cases_test()
644 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_uni2asc_edge_cases_test()
645 	KUNIT_EXPECT_EQ(test, HFSPLUS_MAX_STRLEN, len);  in hfsplus_uni2asc_edge_cases_test()
649 		KUNIT_EXPECT_EQ(test, 'a', mock_env->buf[i]);  in hfsplus_uni2asc_edge_cases_test()
651 	/* Test string with high Unicode values (non-ASCII) */  in hfsplus_uni2asc_edge_cases_test()
660 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_uni2asc_edge_cases_test()
661 	KUNIT_EXPECT_EQ(test, 3, len);  in hfsplus_uni2asc_edge_cases_test()
662 	/* Our test implementation converts non-ASCII to '?' */  in hfsplus_uni2asc_edge_cases_test()
663 	KUNIT_EXPECT_EQ(test, '?', mock_env->buf[0]);  in hfsplus_uni2asc_edge_cases_test()
664 	KUNIT_EXPECT_EQ(test, '?', mock_env->buf[1]);  in hfsplus_uni2asc_edge_cases_test()
665 	KUNIT_EXPECT_EQ(test, '?', mock_env->buf[2]);  in hfsplus_uni2asc_edge_cases_test()
683 static void check_unistr_content(struct kunit *test,  in check_unistr_content()  argument
691 	KUNIT_EXPECT_EQ(test, expected_len, actual_len);  in check_unistr_content()
697 		KUNIT_EXPECT_EQ(test, expected_char, actual_char);  in check_unistr_content()
701 /* Test hfsplus_asc2uni basic functionality */
702 static void hfsplus_asc2uni_basic_test(struct kunit *test)  in hfsplus_asc2uni_basic_test()  argument
709 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_asc2uni_basic_test()
712 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_asc2uni_basic_test()
716 	/* Test simple ASCII string conversion */  in hfsplus_asc2uni_basic_test()
720 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_basic_test()
721 	check_unistr_content(test, &mock_env->str1, "hello");  in hfsplus_asc2uni_basic_test()
723 	/* Test empty string */  in hfsplus_asc2uni_basic_test()
727 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_basic_test()
728 	KUNIT_EXPECT_EQ(test, 0, be16_to_cpu(mock_env->str1.length));  in hfsplus_asc2uni_basic_test()
730 	/* Test single character */  in hfsplus_asc2uni_basic_test()
734 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_basic_test()
735 	check_unistr_content(test, &mock_env->str1, "A");  in hfsplus_asc2uni_basic_test()
737 	/* Test null-terminated string with explicit length */  in hfsplus_asc2uni_basic_test()
739 				 HFSPLUS_MAX_STRLEN, "test\0extra", 4);  in hfsplus_asc2uni_basic_test()
741 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_basic_test()
742 	check_unistr_content(test, &mock_env->str1, "test");  in hfsplus_asc2uni_basic_test()
748 /* Test special character handling in asc2uni */
749 static void hfsplus_asc2uni_special_chars_test(struct kunit *test)  in hfsplus_asc2uni_special_chars_test()  argument
756 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_asc2uni_special_chars_test()
759 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_asc2uni_special_chars_test()
763 	/* Test colon conversion (should become forward slash) */  in hfsplus_asc2uni_special_chars_test()
767 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_special_chars_test()
768 	KUNIT_EXPECT_EQ(test, 1, be16_to_cpu(mock_env->str1.length));  in hfsplus_asc2uni_special_chars_test()
769 	KUNIT_EXPECT_EQ(test, '/', be16_to_cpu(mock_env->str1.unicode[0]));  in hfsplus_asc2uni_special_chars_test()
771 	/* Test string with mixed special characters */  in hfsplus_asc2uni_special_chars_test()
775 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_special_chars_test()
776 	KUNIT_EXPECT_EQ(test, 3, be16_to_cpu(mock_env->str1.length));  in hfsplus_asc2uni_special_chars_test()
777 	KUNIT_EXPECT_EQ(test, 'a', be16_to_cpu(mock_env->str1.unicode[0]));  in hfsplus_asc2uni_special_chars_test()
778 	KUNIT_EXPECT_EQ(test, '/', be16_to_cpu(mock_env->str1.unicode[1]));  in hfsplus_asc2uni_special_chars_test()
779 	KUNIT_EXPECT_EQ(test, 'b', be16_to_cpu(mock_env->str1.unicode[2]));  in hfsplus_asc2uni_special_chars_test()
781 	/* Test multiple special characters */  in hfsplus_asc2uni_special_chars_test()
785 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_special_chars_test()
786 	KUNIT_EXPECT_EQ(test, 3, be16_to_cpu(mock_env->str1.length));  in hfsplus_asc2uni_special_chars_test()
787 	KUNIT_EXPECT_EQ(test, '/', be16_to_cpu(mock_env->str1.unicode[0]));  in hfsplus_asc2uni_special_chars_test()
788 	KUNIT_EXPECT_EQ(test, '/', be16_to_cpu(mock_env->str1.unicode[1]));  in hfsplus_asc2uni_special_chars_test()
789 	KUNIT_EXPECT_EQ(test, '/', be16_to_cpu(mock_env->str1.unicode[2]));  in hfsplus_asc2uni_special_chars_test()
795 /* Test buffer length limits */
796 static void hfsplus_asc2uni_buffer_limits_test(struct kunit *test)  in hfsplus_asc2uni_buffer_limits_test()  argument
803 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_asc2uni_buffer_limits_test()
806 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_asc2uni_buffer_limits_test()
810 	/* Test exact maximum length */  in hfsplus_asc2uni_buffer_limits_test()
816 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_buffer_limits_test()
817 	KUNIT_EXPECT_EQ(test, HFSPLUS_MAX_STRLEN,  in hfsplus_asc2uni_buffer_limits_test()
820 	/* Test exceeding maximum length */  in hfsplus_asc2uni_buffer_limits_test()
826 	KUNIT_EXPECT_EQ(test, -ENAMETOOLONG, result);  in hfsplus_asc2uni_buffer_limits_test()
827 	KUNIT_EXPECT_EQ(test, HFSPLUS_MAX_STRLEN,  in hfsplus_asc2uni_buffer_limits_test()
830 	/* Test with smaller max_unistr_len */  in hfsplus_asc2uni_buffer_limits_test()
834 	KUNIT_EXPECT_EQ(test, -ENAMETOOLONG, result);  in hfsplus_asc2uni_buffer_limits_test()
835 	KUNIT_EXPECT_EQ(test, 5, be16_to_cpu(mock_env->str1.length));  in hfsplus_asc2uni_buffer_limits_test()
837 	/* Test zero max length */  in hfsplus_asc2uni_buffer_limits_test()
838 	result = hfsplus_asc2uni(&mock_sb->sb, &mock_env->str1, 0, "test", 4);  in hfsplus_asc2uni_buffer_limits_test()
840 	KUNIT_EXPECT_EQ(test, -ENAMETOOLONG, result);  in hfsplus_asc2uni_buffer_limits_test()
841 	KUNIT_EXPECT_EQ(test, 0, be16_to_cpu(mock_env->str1.length));  in hfsplus_asc2uni_buffer_limits_test()
847 /* Test error handling and edge cases */
848 static void hfsplus_asc2uni_edge_cases_test(struct kunit *test)  in hfsplus_asc2uni_edge_cases_test()  argument
856 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_asc2uni_edge_cases_test()
860 	/* Test zero length input */  in hfsplus_asc2uni_edge_cases_test()
862 				 &ustr, HFSPLUS_MAX_STRLEN, "test", 0);  in hfsplus_asc2uni_edge_cases_test()
864 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_edge_cases_test()
865 	KUNIT_EXPECT_EQ(test, 0, be16_to_cpu(ustr.length));  in hfsplus_asc2uni_edge_cases_test()
867 	/* Test input with length mismatch */  in hfsplus_asc2uni_edge_cases_test()
871 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_edge_cases_test()
872 	check_unistr_content(test, &ustr, "hel");  in hfsplus_asc2uni_edge_cases_test()
874 	/* Test with various printable ASCII characters */  in hfsplus_asc2uni_edge_cases_test()
878 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_edge_cases_test()
879 	check_unistr_content(test, &ustr, "ABC123!@#");  in hfsplus_asc2uni_edge_cases_test()
881 	/* Test null character in the middle */  in hfsplus_asc2uni_edge_cases_test()
885 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_edge_cases_test()
886 	KUNIT_EXPECT_EQ(test, 3, be16_to_cpu(ustr.length));  in hfsplus_asc2uni_edge_cases_test()
887 	KUNIT_EXPECT_EQ(test, 'a', be16_to_cpu(ustr.unicode[0]));  in hfsplus_asc2uni_edge_cases_test()
888 	KUNIT_EXPECT_EQ(test, 0, be16_to_cpu(ustr.unicode[1]));  in hfsplus_asc2uni_edge_cases_test()
889 	KUNIT_EXPECT_EQ(test, 'b', be16_to_cpu(ustr.unicode[2]));  in hfsplus_asc2uni_edge_cases_test()
894 /* Test decomposition flag behavior */
895 static void hfsplus_asc2uni_decompose_test(struct kunit *test)  in hfsplus_asc2uni_decompose_test()  argument
902 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_asc2uni_decompose_test()
905 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_asc2uni_decompose_test()
909 	/* Test with decomposition disabled (default) */  in hfsplus_asc2uni_decompose_test()
912 				 HFSPLUS_MAX_STRLEN, "test", 4);  in hfsplus_asc2uni_decompose_test()
914 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_decompose_test()
915 	check_unistr_content(test, &mock_env->str1, "test");  in hfsplus_asc2uni_decompose_test()
917 	/* Test with decomposition enabled */  in hfsplus_asc2uni_decompose_test()
920 				 HFSPLUS_MAX_STRLEN, "test", 4);  in hfsplus_asc2uni_decompose_test()
922 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_asc2uni_decompose_test()
923 	check_unistr_content(test, &mock_env->str2, "test");  in hfsplus_asc2uni_decompose_test()
926 	KUNIT_EXPECT_EQ(test,  in hfsplus_asc2uni_decompose_test()
951 /* Test hfsplus_hash_dentry basic functionality */
952 static void hfsplus_hash_dentry_basic_test(struct kunit *test)  in hfsplus_hash_dentry_basic_test()  argument
959 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_hash_dentry_basic_test()
964 	/* Test basic string hashing */  in hfsplus_hash_dentry_basic_test()
968 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_basic_test()
969 	KUNIT_EXPECT_NE(test, 0, str1.hash);  in hfsplus_hash_dentry_basic_test()
971 	/* Test that identical strings produce identical hashes */  in hfsplus_hash_dentry_basic_test()
975 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_basic_test()
976 	KUNIT_EXPECT_EQ(test, str1.hash, str2.hash);  in hfsplus_hash_dentry_basic_test()
978 	/* Test empty string */  in hfsplus_hash_dentry_basic_test()
983 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_basic_test()
985 	/* Test single character */  in hfsplus_hash_dentry_basic_test()
989 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_basic_test()
990 	KUNIT_EXPECT_NE(test, 0, str1.hash);  in hfsplus_hash_dentry_basic_test()
995 /* Test case folding behavior in hash */
996 static void hfsplus_hash_dentry_casefold_test(struct kunit *test)  in hfsplus_hash_dentry_casefold_test()  argument
1003 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_hash_dentry_casefold_test()
1008 	/* Test with case folding disabled (default) */  in hfsplus_hash_dentry_casefold_test()
1013 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_casefold_test()
1017 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_casefold_test()
1023 	KUNIT_EXPECT_NE(test, str1.hash, str2.hash);  in hfsplus_hash_dentry_casefold_test()
1025 	/* Test with case folding enabled */  in hfsplus_hash_dentry_casefold_test()
1030 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_casefold_test()
1034 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_casefold_test()
1037 	KUNIT_EXPECT_EQ(test, str1.hash, str2.hash);  in hfsplus_hash_dentry_casefold_test()
1039 	/* Test mixed case */  in hfsplus_hash_dentry_casefold_test()
1042 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_casefold_test()
1043 	KUNIT_EXPECT_EQ(test, str1.hash, str2.hash);  in hfsplus_hash_dentry_casefold_test()
1048 /* Test special character handling in hash */
1049 static void hfsplus_hash_dentry_special_chars_test(struct kunit *test)  in hfsplus_hash_dentry_special_chars_test()  argument
1056 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_hash_dentry_special_chars_test()
1061 	/* Test colon conversion (: becomes /) */  in hfsplus_hash_dentry_special_chars_test()
1064 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_special_chars_test()
1068 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_special_chars_test()
1071 	KUNIT_EXPECT_EQ(test, str1.hash, str2.hash);  in hfsplus_hash_dentry_special_chars_test()
1073 	/* Test multiple special characters */  in hfsplus_hash_dentry_special_chars_test()
1076 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_special_chars_test()
1080 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_special_chars_test()
1082 	KUNIT_EXPECT_EQ(test, str1.hash, str2.hash);  in hfsplus_hash_dentry_special_chars_test()
1087 /* Test decomposition flag behavior in hash */
1088 static void hfsplus_hash_dentry_decompose_test(struct kunit *test)  in hfsplus_hash_dentry_decompose_test()  argument
1095 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_hash_dentry_decompose_test()
1100 	/* Test with decomposition disabled (default) */  in hfsplus_hash_dentry_decompose_test()
1103 	create_qstr(&str1, "test");  in hfsplus_hash_dentry_decompose_test()
1105 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_decompose_test()
1107 	/* Test with decomposition enabled */  in hfsplus_hash_dentry_decompose_test()
1110 	create_qstr(&str2, "test");  in hfsplus_hash_dentry_decompose_test()
1112 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_decompose_test()
1118 	KUNIT_EXPECT_NE(test, 0, str2.hash);  in hfsplus_hash_dentry_decompose_test()
1123 /* Test hash consistency and distribution */
1124 static void hfsplus_hash_dentry_consistency_test(struct kunit *test)  in hfsplus_hash_dentry_consistency_test()  argument
1132 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_hash_dentry_consistency_test()
1137 	/* Test that same string always produces same hash */  in hfsplus_hash_dentry_consistency_test()
1140 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_consistency_test()
1145 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_consistency_test()
1147 	KUNIT_EXPECT_EQ(test, hash1, str2.hash);  in hfsplus_hash_dentry_consistency_test()
1149 	/* Test that different strings produce different hashes */  in hfsplus_hash_dentry_consistency_test()
1152 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_consistency_test()
1154 	KUNIT_EXPECT_NE(test, str1.hash, str3.hash);  in hfsplus_hash_dentry_consistency_test()
1156 	/* Test similar strings should have different hashes */  in hfsplus_hash_dentry_consistency_test()
1159 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_consistency_test()
1163 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_consistency_test()
1165 	KUNIT_EXPECT_NE(test, str1.hash, str2.hash);  in hfsplus_hash_dentry_consistency_test()
1170 /* Test edge cases and boundary conditions */
1171 static void hfsplus_hash_dentry_edge_cases_test(struct kunit *test)  in hfsplus_hash_dentry_edge_cases_test()  argument
1179 	KUNIT_ASSERT_NOT_NULL(test, mock_env);  in hfsplus_hash_dentry_edge_cases_test()
1182 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_hash_dentry_edge_cases_test()
1187 	/* Test very long filename */  in hfsplus_hash_dentry_edge_cases_test()
1194 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_edge_cases_test()
1195 	KUNIT_EXPECT_NE(test, 0, str.hash);  in hfsplus_hash_dentry_edge_cases_test()
1197 	/* Test filename with all printable ASCII characters */  in hfsplus_hash_dentry_edge_cases_test()
1201 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_edge_cases_test()
1202 	KUNIT_EXPECT_NE(test, 0, str.hash);  in hfsplus_hash_dentry_edge_cases_test()
1204 	/* Test with embedded null (though not typical for filenames) */  in hfsplus_hash_dentry_edge_cases_test()
1210 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_hash_dentry_edge_cases_test()
1211 	KUNIT_EXPECT_NE(test, 0, str.hash);  in hfsplus_hash_dentry_edge_cases_test()
1217 /* Test hfsplus_compare_dentry basic functionality */
1218 static void hfsplus_compare_dentry_basic_test(struct kunit *test)  in hfsplus_compare_dentry_basic_test()  argument
1225 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_compare_dentry_basic_test()
1230 	/* Test identical strings */  in hfsplus_compare_dentry_basic_test()
1233 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_basic_test()
1235 	/* Test different strings - lexicographic order */  in hfsplus_compare_dentry_basic_test()
1238 	KUNIT_EXPECT_LT(test, result, 0); /* "hello" < "world" */  in hfsplus_compare_dentry_basic_test()
1241 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_basic_test()
1245 	KUNIT_EXPECT_GT(test, result, 0); /* "world" > "hello" */  in hfsplus_compare_dentry_basic_test()
1247 	/* Test empty strings */  in hfsplus_compare_dentry_basic_test()
1250 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_basic_test()
1252 	/* Test one empty, one non-empty */  in hfsplus_compare_dentry_basic_test()
1253 	create_qstr(&name, "test");  in hfsplus_compare_dentry_basic_test()
1255 	KUNIT_EXPECT_LT(test, result, 0); /* "" < "test" */  in hfsplus_compare_dentry_basic_test()
1258 	result = hfsplus_compare_dentry(&test_dentry, 4, "test", &name);  in hfsplus_compare_dentry_basic_test()
1259 	KUNIT_EXPECT_GT(test, result, 0); /* "test" > "" */  in hfsplus_compare_dentry_basic_test()
1264 /* Test case folding behavior in comparison */
1265 static void hfsplus_compare_dentry_casefold_test(struct kunit *test)  in hfsplus_compare_dentry_casefold_test()  argument
1272 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_compare_dentry_casefold_test()
1277 	/* Test with case folding disabled (default) */  in hfsplus_compare_dentry_casefold_test()
1283 	KUNIT_EXPECT_NE(test, 0, result);  in hfsplus_compare_dentry_casefold_test()
1288 	KUNIT_EXPECT_NE(test, 0, result);  in hfsplus_compare_dentry_casefold_test()
1290 	/* Test with case folding enabled */  in hfsplus_compare_dentry_casefold_test()
1296 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_casefold_test()
1301 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_casefold_test()
1303 	/* Test mixed case */  in hfsplus_compare_dentry_casefold_test()
1304 	create_qstr(&name, "TeSt");  in hfsplus_compare_dentry_casefold_test()
1305 	result = hfsplus_compare_dentry(&test_dentry, 4, "test", &name);  in hfsplus_compare_dentry_casefold_test()
1306 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_casefold_test()
1308 	create_qstr(&name, "test");  in hfsplus_compare_dentry_casefold_test()
1309 	result = hfsplus_compare_dentry(&test_dentry, 4, "TEST", &name);  in hfsplus_compare_dentry_casefold_test()
1310 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_casefold_test()
1315 /* Test special character handling in comparison */
1316 static void hfsplus_compare_dentry_special_chars_test(struct kunit *test)  in hfsplus_compare_dentry_special_chars_test()  argument
1323 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_compare_dentry_special_chars_test()
1328 	/* Test colon conversion (: becomes /) */  in hfsplus_compare_dentry_special_chars_test()
1332 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_special_chars_test()
1337 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_special_chars_test()
1339 	/* Test multiple special characters */  in hfsplus_compare_dentry_special_chars_test()
1342 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_special_chars_test()
1344 	/* Test mixed special and regular characters */  in hfsplus_compare_dentry_special_chars_test()
1348 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_special_chars_test()
1353 /* Test length differences */
1354 static void hfsplus_compare_dentry_length_test(struct kunit *test)  in hfsplus_compare_dentry_length_test()  argument
1361 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_compare_dentry_length_test()
1366 	/* Test different lengths with common prefix */  in hfsplus_compare_dentry_length_test()
1368 	result = hfsplus_compare_dentry(&test_dentry, 4, "test", &name);  in hfsplus_compare_dentry_length_test()
1369 	KUNIT_EXPECT_LT(test, result, 0); /* "test" < "testing" */  in hfsplus_compare_dentry_length_test()
1371 	create_qstr(&name, "test");  in hfsplus_compare_dentry_length_test()
1373 	KUNIT_EXPECT_GT(test, result, 0); /* "testing" > "test" */  in hfsplus_compare_dentry_length_test()
1375 	/* Test exact length match */  in hfsplus_compare_dentry_length_test()
1378 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_length_test()
1380 	/* Test length parameter vs actual string content */  in hfsplus_compare_dentry_length_test()
1383 	KUNIT_EXPECT_LT(test, result, 0); /* "hel" < "hello" */  in hfsplus_compare_dentry_length_test()
1385 	/* Test longer first string but shorter length parameter */  in hfsplus_compare_dentry_length_test()
1389 	KUNIT_EXPECT_LT(test, result, 0);  in hfsplus_compare_dentry_length_test()
1394 /* Test decomposition flag behavior */
1395 static void hfsplus_compare_dentry_decompose_test(struct kunit *test)  in hfsplus_compare_dentry_decompose_test()  argument
1402 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_compare_dentry_decompose_test()
1407 	/* Test with decomposition disabled (default) */  in hfsplus_compare_dentry_decompose_test()
1410 	create_qstr(&name, "test");  in hfsplus_compare_dentry_decompose_test()
1411 	result = hfsplus_compare_dentry(&test_dentry, 4, "test", &name);  in hfsplus_compare_dentry_decompose_test()
1412 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_decompose_test()
1414 	/* Test with decomposition enabled */  in hfsplus_compare_dentry_decompose_test()
1417 	create_qstr(&name, "test");  in hfsplus_compare_dentry_decompose_test()
1418 	result = hfsplus_compare_dentry(&test_dentry, 4, "test", &name);  in hfsplus_compare_dentry_decompose_test()
1419 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_decompose_test()
1423 	result = hfsplus_compare_dentry(&test_dentry, 4, "test", &name);  in hfsplus_compare_dentry_decompose_test()
1424 	KUNIT_EXPECT_NE(test, 0, result);  in hfsplus_compare_dentry_decompose_test()
1429 /* Test edge cases and boundary conditions */
1430 static void hfsplus_compare_dentry_edge_cases_test(struct kunit *test)  in hfsplus_compare_dentry_edge_cases_test()  argument
1445 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_compare_dentry_edge_cases_test()
1451 	KUNIT_ASSERT_NOT_NULL(test, long_str);  in hfsplus_compare_dentry_edge_cases_test()
1454 	KUNIT_ASSERT_NOT_NULL(test, long_str2);  in hfsplus_compare_dentry_edge_cases_test()
1456 	/* Test very long strings */  in hfsplus_compare_dentry_edge_cases_test()
1463 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_edge_cases_test()
1465 	/* Test with difference at the end of long strings */  in hfsplus_compare_dentry_edge_cases_test()
1472 	KUNIT_EXPECT_LT(test, result, 0); /* 'a' < 'b' */  in hfsplus_compare_dentry_edge_cases_test()
1474 	/* Test single character differences */  in hfsplus_compare_dentry_edge_cases_test()
1477 	KUNIT_EXPECT_LT(test, result, 0); /* 'a' < 'b' */  in hfsplus_compare_dentry_edge_cases_test()
1481 	KUNIT_EXPECT_GT(test, result, 0); /* 'b' > 'a' */  in hfsplus_compare_dentry_edge_cases_test()
1483 	/* Test with null characters in the middle */  in hfsplus_compare_dentry_edge_cases_test()
1485 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_edge_cases_test()
1487 	/* Test all printable ASCII characters */  in hfsplus_compare_dentry_edge_cases_test()
1490 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_edge_cases_test()
1497 /* Test combined flag behaviors */
1498 static void hfsplus_compare_dentry_combined_flags_test(struct kunit *test)  in hfsplus_compare_dentry_combined_flags_test()  argument
1505 	KUNIT_ASSERT_NOT_NULL(test, mock_sb);  in hfsplus_compare_dentry_combined_flags_test()
1510 	/* Test with both casefold and decompose enabled */  in hfsplus_compare_dentry_combined_flags_test()
1516 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_combined_flags_test()
1518 	/* Test special chars with case folding */  in hfsplus_compare_dentry_combined_flags_test()
1521 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_combined_flags_test()
1523 	/* Test with both flags disabled */  in hfsplus_compare_dentry_combined_flags_test()
1529 	KUNIT_EXPECT_NE(test, 0, result); /* Case sensitive */  in hfsplus_compare_dentry_combined_flags_test()
1534 	KUNIT_EXPECT_EQ(test, 0, result);  in hfsplus_compare_dentry_combined_flags_test()