1 | Imports System.Text
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2 | Imports System.Text.Detail
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3 |
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4 | Namespace EncodingTest
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5 |
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6 | Sub TestMain()
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7 | 'abcαβγアイウ(漢字拡張Bから3文字)
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8 | Dim chars[ELM(15)] = [
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9 | &h61, &h62, &h63,
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10 | &h03b1, &h03b2, &h03b3,
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11 | &h30a2, &h30a4, &h30a6,
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12 | &hd840, &hdc00, &hd840, &hdc01, &hd840, &hdc02] As WCHAR
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13 | Dim utf32bytes[ELM(12)] = [
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14 | &h61, &h62, &h63,
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15 | &h03b1, &h03b2, &h03b3,
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16 | &h30a2, &h30a4, &h30a6,
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17 | &h20000, &h20001, &h20002] As DWORD
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18 | Dim utf8bytes[ELM(30)] = [
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19 | &h61, &h62, &h63,
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20 | &hce, &hb1, &hce, &hb2, &hce, &hb3,
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21 | &he3, &h82, &ha2, &he3, &h82, &ha4, &he3, &h82, &ha6,
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22 | &hf0, &ha0, &h80, &h80, &hf0, &ha0, &h80, &h81, &hf0, &ha0, &h80, &h82] As Byte
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23 | Dim cp932bytes[ELM(15)] = [
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24 | &h61, &h62, &h63,
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25 | &h83, &hbf, &h83, &hc0, &h83, &hc1,
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26 | &h83, &h41, &h83, &h43, &h83, &h45] As Byte '拡張Bは省略
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27 |
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28 | Dim utf8 = New UTF8Encoding
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29 | Dim e = utf8.GetEncoder
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30 | Dim d = utf8.GetDecoder
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31 | Dim b[256] As Byte
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32 | Dim u16[256] As WCHAR
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33 | e.GetBytes(chars, Len(chars) \ SizeOf (WCHAR), b, Len(b), False)
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34 | UnitTest("UTF8 Encode", memcmp(b, utf8bytes, Len(utf8bytes)) = 0)
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35 | d.GetChars(utf8bytes, Len(utf8bytes), u16, Len(u16) \ SizeOf (WCHAR), False)
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36 | UnitTest("UTF8 Decode", memcmp(u16, chars, Len(chars)) = 0)
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37 | End Sub
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38 |
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39 | End Namespace
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40 |
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41 | EncodingTest.TestMain()
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