| 1 | program test_utf8 |
| 2 | use utf8_module |
| 3 | implicit none |
| 4 | |
| 5 | character(len=:), allocatable :: test_str |
| 6 | integer :: char_count, byte_idx, char_idx, width |
| 7 | |
| 8 | ! Test 1: ASCII string |
| 9 | test_str = "Hello" |
| 10 | char_count = utf8_char_count(test_str) |
| 11 | width = utf8_display_width(test_str) |
| 12 | print *, "Test 1: 'Hello'" |
| 13 | print *, " Bytes:", len_trim(test_str), "Chars:", char_count, "Width:", width |
| 14 | if (char_count /= 5 .or. width /= 5) then |
| 15 | print *, " FAILED!" |
| 16 | stop 1 |
| 17 | else |
| 18 | print *, " PASSED" |
| 19 | end if |
| 20 | |
| 21 | ! Test 2: Box drawing characters |
| 22 | test_str = "├──" |
| 23 | char_count = utf8_char_count(test_str) |
| 24 | width = utf8_display_width(test_str) |
| 25 | print *, "Test 2: '├──' (box chars)" |
| 26 | print *, " Bytes:", len_trim(test_str), "Chars:", char_count, "Width:", width |
| 27 | if (char_count /= 3 .or. width /= 3) then |
| 28 | print *, " FAILED! Expected 3 chars, 3 width" |
| 29 | stop 1 |
| 30 | else |
| 31 | print *, " PASSED" |
| 32 | end if |
| 33 | |
| 34 | ! Test 3: Mixed content |
| 35 | test_str = " ├── Tab 1" |
| 36 | char_count = utf8_char_count(test_str) |
| 37 | width = utf8_display_width(test_str) |
| 38 | print *, "Test 3: ' ├── Tab 1'" |
| 39 | print *, " Bytes:", len_trim(test_str), "Chars:", char_count, "Width:", width |
| 40 | if (char_count /= 13) then |
| 41 | print *, " FAILED! Expected 13 chars, got", char_count |
| 42 | stop 1 |
| 43 | else |
| 44 | print *, " PASSED" |
| 45 | end if |
| 46 | |
| 47 | ! Test 4: Character to byte index conversion |
| 48 | test_str = "├──" |
| 49 | byte_idx = utf8_char_to_byte_index(test_str, 2) ! 2nd character |
| 50 | print *, "Test 4: Char to byte index" |
| 51 | print *, " 2nd char in '├──' starts at byte:", byte_idx |
| 52 | if (byte_idx /= 4) then ! First char is 3 bytes, so 2nd starts at byte 4 |
| 53 | print *, " FAILED! Expected byte 4, got", byte_idx |
| 54 | stop 1 |
| 55 | else |
| 56 | print *, " PASSED" |
| 57 | end if |
| 58 | |
| 59 | ! Test 5: Byte to character index conversion |
| 60 | test_str = "├──" |
| 61 | char_idx = utf8_byte_to_char_index(test_str, 4) ! Byte 4 |
| 62 | print *, "Test 5: Byte to char index" |
| 63 | print *, " Byte 4 in '├──' is char:", char_idx |
| 64 | if (char_idx /= 2) then |
| 65 | print *, " FAILED! Expected char 2, got", char_idx |
| 66 | stop 1 |
| 67 | else |
| 68 | print *, " PASSED" |
| 69 | end if |
| 70 | |
| 71 | print *, "" |
| 72 | print *, "All UTF-8 tests passed!" |
| 73 | |
| 74 | end program test_utf8 |
| 75 |