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37 lines
881 B
NASM
37 lines
881 B
NASM
assert bytelen("") == 0
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assert bytelen("ABC") == 3
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assert strbyte("ABC", 0) == $41
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assert strbyte("ABC", -1) == $43
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charmap "ABC", 42
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assert bytelen("ABC") == 3
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; characters:
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; 1: U+72AC kanji (0xE7 0x8A 0xAC)
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; 2: U+1F499 emoji (0xF0 0x9F 0x92 0x99)
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; 3: U+0021
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def utf8 equs "犬💙!"
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assert bytelen(#utf8) == 8
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assert strbyte(#utf8, 0) == $e7
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assert strbyte(#utf8, 4) == $9f
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assert strbyte(#utf8, -2) == $99
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assert strbyte(#utf8, -1) == $21
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; characters:
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; 1: U+0041 A
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; 2: U+0020 space
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; 3: invalid byte 0xFE
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; 4: invalid byte 0x81
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; 5: invalid byte 0xFF
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; 6: U+0020 space
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; 7: U+6F22 kanji (0xE6 0xBC 0xA2)
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def invalid EQUS "A þ<>ÿ æ¼¢"
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assert bytelen(#invalid) == 9
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assert strbyte(#invalid, 0) == $41
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assert strbyte(#invalid, 4) == $ff
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assert strbyte(#invalid, 8) == $a2
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; out of bounds
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assert strbyte("abc", -10) == $61 ; -10 clamped to 0
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assert strbyte("abc", 10) == 0
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