m1ngsama 2535d8bfd4 test: add comprehensive unit tests for UTF-8 and message functions ...

Add 31 unit tests covering core functionality:
- UTF-8 byte length detection
- UTF-8 character decoding (1-4 byte sequences)
- Character width calculation (ASCII, CJK, Hangul, Hiragana, Katakana)
- String width calculation
- Character/word removal functions
- UTF-8 validation
- Message formatting and edge cases

Test results: 31/31 passed ✓

Files:
- tests/unit/test_utf8.c (20 tests)
- tests/unit/test_message.c (11 tests)
- tests/unit/Makefile (build configuration)

2026-02-08 10:29:19 +08:00

51 KiB

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