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test-misc: Allow big endian WTF-16, too #753

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merged 2 commits into from
Jan 24, 2025
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test-misc: Allow big endian WTF-16, too #753

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d561e8d
test-misc: Allow big endian WTF-16, too
squeek502 Jan 24, 2025
e9f5254
docs: Add notes to wtf8<->wtf16 functions about endianness
squeek502 Jan 24, 2025
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7 changes: 4 additions & 3 deletions tests/test-misc.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -230,7 +230,8 @@ return require('lib/tap')(function (test)
-- The utf8 content is "中文"
local utf16 = uv.wtf8_to_utf16(utf8)
assert(#utf16==4, #utf16)
assert(utf16==string.char(0x2d, 0x4e, 0x87, 0x65))
-- little-endian or big-endian
assert(utf16==string.char(0x2d, 0x4e, 0x87, 0x65) or utf16==string.char(0x4e, 0x2d, 0x65, 0x87))
assert(uv.utf16_length_as_wtf8(utf16) == 6, uv.utf16_length_as_wtf8(utf16))
utf8 = uv.utf16_to_wtf8(utf16)
assert(utf8=='中文', utf8)
Expand All @@ -242,8 +243,8 @@ return require('lib/tap')(function (test)
local wtf8 = string.char(0xed, 0xa0, 0xbd)
local utf16 = uv.wtf8_to_utf16(wtf8)
assert(#utf16==2, #utf16)
-- U+D83D as little-endian WTF-16
assert(utf16==string.char(0x3d, 0xd8))
-- U+D83D as little-endian or big-endian WTF-16
assert(utf16==string.char(0x3d, 0xd8) or utf16==string.char(0xd8, 0x3d))
assert(uv.utf16_length_as_wtf8(utf16) == #wtf8, uv.utf16_length_as_wtf8(utf16))
assert(uv.wtf8_length_as_utf16(wtf8) == 1, uv.wtf8_length_as_utf16(wtf8))
local roundtrip_wtf8 = uv.utf16_to_wtf8(utf16)
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