/usr/share/gocode/src/golang.org/x/text/encoding/japanese/all_test.go is in golang-golang-x-text-dev 0.0~git20170627.0.6353ef0-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 | // Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package japanese
import (
"fmt"
"strings"
"testing"
"golang.org/x/text/encoding"
"golang.org/x/text/encoding/internal"
"golang.org/x/text/encoding/internal/enctest"
"golang.org/x/text/transform"
)
func dec(e encoding.Encoding) (dir string, t transform.Transformer, err error) {
return "Decode", e.NewDecoder(), nil
}
func enc(e encoding.Encoding) (dir string, t transform.Transformer, err error) {
return "Encode", e.NewEncoder(), internal.ErrASCIIReplacement
}
func TestNonRepertoire(t *testing.T) {
// Pick n to cause the destination buffer in transform.String to overflow.
const n = 100
long := strings.Repeat(".", n)
testCases := []struct {
init func(e encoding.Encoding) (string, transform.Transformer, error)
e encoding.Encoding
src, want string
}{
{enc, EUCJP, "갂", ""},
{enc, EUCJP, "a갂", "a"},
{enc, EUCJP, "丌갂", "\x8f\xb0\xa4"},
{enc, ISO2022JP, "갂", ""},
{enc, ISO2022JP, "a갂", "a"},
{enc, ISO2022JP, "朗갂", "\x1b$BzF\x1b(B"}, // switch back to ASCII mode at end
{enc, ShiftJIS, "갂", ""},
{enc, ShiftJIS, "a갂", "a"},
{enc, ShiftJIS, "\u2190갂", "\x81\xa9"},
// Continue correctly after errors
{dec, EUCJP, "\x8e\xa0", "\ufffd\ufffd"},
{dec, EUCJP, "\x8e\xe0", "\ufffd"},
{dec, EUCJP, "\x8e\xff", "\ufffd\ufffd"},
{dec, EUCJP, "\x8ea", "\ufffda"},
{dec, EUCJP, "\x8f\xa0", "\ufffd\ufffd"},
{dec, EUCJP, "\x8f\xa1\xa0", "\ufffd\ufffd"},
{dec, EUCJP, "\x8f\xa1a", "\ufffda"},
{dec, EUCJP, "\x8f\xa1a", "\ufffda"},
{dec, EUCJP, "\x8f\xa1a", "\ufffda"},
{dec, EUCJP, "\x8f\xa2\xa2", "\ufffd"},
{dec, EUCJP, "\xfe", "\ufffd"},
{dec, EUCJP, "\xfe\xfc", "\ufffd"},
{dec, EUCJP, "\xfe\xff", "\ufffd\ufffd"},
// Correct handling of end of source
{dec, EUCJP, strings.Repeat("\x8e", n), strings.Repeat("\ufffd", n)},
{dec, EUCJP, strings.Repeat("\x8f", n), strings.Repeat("\ufffd", n)},
{dec, EUCJP, strings.Repeat("\x8f\xa0", n), strings.Repeat("\ufffd", 2*n)},
{dec, EUCJP, "a" + strings.Repeat("\x8f\xa1", n), "a" + strings.Repeat("\ufffd", n)},
{dec, EUCJP, "a" + strings.Repeat("\x8f\xa1\xff", n), "a" + strings.Repeat("\ufffd", 2*n)},
// Continue correctly after errors
{dec, ShiftJIS, "\x80", "\u0080"}, // It's what the spec says.
{dec, ShiftJIS, "\x81", "\ufffd"},
{dec, ShiftJIS, "\x81\x7f", "\ufffd\u007f"},
{dec, ShiftJIS, "\xe0", "\ufffd"},
{dec, ShiftJIS, "\xe0\x39", "\ufffd\u0039"},
{dec, ShiftJIS, "\xe0\x9f", "燹"},
{dec, ShiftJIS, "\xe0\xfd", "\ufffd"},
{dec, ShiftJIS, "\xef\xfc", "\ufffd"},
{dec, ShiftJIS, "\xfc\xfc", "\ufffd"},
{dec, ShiftJIS, "\xfc\xfd", "\ufffd"},
{dec, ShiftJIS, "\xfdaa", "\ufffdaa"},
{dec, ShiftJIS, strings.Repeat("\x81\x81", n), strings.Repeat("=", n)},
{dec, ShiftJIS, strings.Repeat("\xe0\xfd", n), strings.Repeat("\ufffd", n)},
{dec, ShiftJIS, "a" + strings.Repeat("\xe0\xfd", n), "a" + strings.Repeat("\ufffd", n)},
{dec, ISO2022JP, "\x1b$", "\ufffd$"},
{dec, ISO2022JP, "\x1b(", "\ufffd("},
{dec, ISO2022JP, "\x1b@", "\ufffd@"},
{dec, ISO2022JP, "\x1bZ", "\ufffdZ"},
// incomplete escapes
{dec, ISO2022JP, "\x1b$", "\ufffd$"},
{dec, ISO2022JP, "\x1b$J.", "\ufffd$J."}, // illegal
{dec, ISO2022JP, "\x1b$B.", "\ufffd"}, // JIS208
{dec, ISO2022JP, "\x1b$(", "\ufffd$("}, // JIS212
{dec, ISO2022JP, "\x1b$(..", "\ufffd$(.."}, // JIS212
{dec, ISO2022JP, "\x1b$(" + long, "\ufffd$(" + long}, // JIS212
{dec, ISO2022JP, "\x1b$(D.", "\ufffd"}, // JIS212
{dec, ISO2022JP, "\x1b$(D..", "\ufffd"}, // JIS212
{dec, ISO2022JP, "\x1b$(D...", "\ufffd\ufffd"}, // JIS212
{dec, ISO2022JP, "\x1b(B.", "."}, // ascii
{dec, ISO2022JP, "\x1b(B..", ".."}, // ascii
{dec, ISO2022JP, "\x1b(J.", "."}, // roman
{dec, ISO2022JP, "\x1b(J..", ".."}, // roman
{dec, ISO2022JP, "\x1b(I\x20", "\ufffd"}, // katakana
{dec, ISO2022JP, "\x1b(I\x20\x20", "\ufffd\ufffd"}, // katakana
// recover to same state
{dec, ISO2022JP, "\x1b(B\x1b.", "\ufffd."},
{dec, ISO2022JP, "\x1b(I\x1b.", "\ufffdョ"},
{dec, ISO2022JP, "\x1b(I\x1b$.", "\ufffd、ョ"},
{dec, ISO2022JP, "\x1b(I\x1b(.", "\ufffdィョ"},
{dec, ISO2022JP, "\x1b$B\x7e\x7e", "\ufffd"},
{dec, ISO2022JP, "\x1b$@\x0a.", "\x0a."},
{dec, ISO2022JP, "\x1b$B\x0a.", "\x0a."},
{dec, ISO2022JP, "\x1b$(D\x0a.", "\x0a."},
{dec, ISO2022JP, "\x1b$(D\x7e\x7e", "\ufffd"},
{dec, ISO2022JP, "\x80", "\ufffd"},
// TODO: according to https://encoding.spec.whatwg.org/#iso-2022-jp,
// these should all be correct.
// {dec, ISO2022JP, "\x1b(B\x0E", "\ufffd"},
// {dec, ISO2022JP, "\x1b(B\x0F", "\ufffd"},
{dec, ISO2022JP, "\x1b(B\x5C", "\u005C"},
{dec, ISO2022JP, "\x1b(B\x7E", "\u007E"},
// {dec, ISO2022JP, "\x1b(J\x0E", "\ufffd"},
// {dec, ISO2022JP, "\x1b(J\x0F", "\ufffd"},
// {dec, ISO2022JP, "\x1b(J\x5C", "\u00A5"},
// {dec, ISO2022JP, "\x1b(J\x7E", "\u203E"},
}
for _, tc := range testCases {
dir, tr, wantErr := tc.init(tc.e)
t.Run(fmt.Sprintf("%s/%v/%q", dir, tc.e, tc.src), func(t *testing.T) {
dst := make([]byte, 100000)
src := []byte(tc.src)
for i := 0; i <= len(tc.src); i++ {
nDst, nSrc, err := tr.Transform(dst, src[:i], false)
if err != nil && err != transform.ErrShortSrc && err != wantErr {
t.Fatalf("error on first call to Transform: %v", err)
}
n, _, err := tr.Transform(dst[nDst:], src[nSrc:], true)
nDst += n
if err != wantErr {
t.Fatalf("(%q|%q): got %v; want %v", tc.src[:i], tc.src[i:], err, wantErr)
}
if got := string(dst[:nDst]); got != tc.want {
t.Errorf("(%q|%q):\ngot %q\nwant %q", tc.src[:i], tc.src[i:], got, tc.want)
}
}
})
}
}
func TestCorrect(t *testing.T) {
testCases := []struct {
init func(e encoding.Encoding) (string, transform.Transformer, error)
e encoding.Encoding
src, want string
}{
{dec, ShiftJIS, "\x9f\xfc", "滌"},
{dec, ShiftJIS, "\xfb\xfc", "髙"},
{dec, ShiftJIS, "\xfa\xb1", "﨑"},
{enc, ShiftJIS, "滌", "\x9f\xfc"},
{enc, ShiftJIS, "﨑", "\xed\x95"},
}
for _, tc := range testCases {
dir, tr, _ := tc.init(tc.e)
dst, _, err := transform.String(tr, tc.src)
if err != nil {
t.Errorf("%s %v(%q): got %v; want %v", dir, tc.e, tc.src, err, nil)
}
if got := string(dst); got != tc.want {
t.Errorf("%s %v(%q):\ngot %q\nwant %q", dir, tc.e, tc.src, got, tc.want)
}
}
}
func TestBasics(t *testing.T) {
// The encoded forms can be verified by the iconv program:
// $ echo 月日は百代 | iconv -f UTF-8 -t SHIFT-JIS | xxd
testCases := []struct {
e encoding.Encoding
encPrefix string
encSuffix string
encoded string
utf8 string
}{{
// "A。カ゚ 0208: etc 0212: etc" is a nonsense string that contains ASCII, half-width
// kana, JIS X 0208 (including two near the kink in the Shift JIS second byte
// encoding) and JIS X 0212 encodable codepoints.
//
// "月日は百代の過客にして、行かふ年も又旅人也。" is from the 17th century poem
// "Oku no Hosomichi" and contains both hiragana and kanji.
e: EUCJP,
encoded: "A\x8e\xa1\x8e\xb6\x8e\xdf " +
"0208: \xa1\xa1\xa1\xa2\xa1\xdf\xa1\xe0\xa1\xfd\xa1\xfe\xa2\xa1\xa2\xa2\xf4\xa6 " +
"0212: \x8f\xa2\xaf\x8f\xed\xe3",
utf8: "A。カ゚ " +
"0208: \u3000\u3001\u00d7\u00f7\u25ce\u25c7\u25c6\u25a1\u7199 " +
"0212: \u02d8\u9fa5",
}, {
e: EUCJP,
encoded: "\xb7\xee\xc6\xfc\xa4\xcf\xc9\xb4\xc2\xe5\xa4\xce\xb2\xe1\xb5\xd2" +
"\xa4\xcb\xa4\xb7\xa4\xc6\xa1\xa2\xb9\xd4\xa4\xab\xa4\xd5\xc7\xaf" +
"\xa4\xe2\xcb\xf4\xce\xb9\xbf\xcd\xcc\xe9\xa1\xa3",
utf8: "月日は百代の過客にして、行かふ年も又旅人也。",
}, {
e: ISO2022JP,
encSuffix: "\x1b\x28\x42",
encoded: "\x1b\x28\x49\x21\x36\x5f\x1b\x28\x42 " +
"0208: \x1b\x24\x42\x21\x21\x21\x22\x21\x5f\x21\x60\x21\x7d\x21\x7e\x22\x21\x22\x22\x74\x26",
utf8: "。カ゚ " +
"0208: \u3000\u3001\u00d7\u00f7\u25ce\u25c7\u25c6\u25a1\u7199",
}, {
e: ISO2022JP,
encPrefix: "\x1b\x24\x42",
encSuffix: "\x1b\x28\x42",
encoded: "\x37\x6e\x46\x7c\x24\x4f\x49\x34\x42\x65\x24\x4e\x32\x61\x35\x52" +
"\x24\x4b\x24\x37\x24\x46\x21\x22\x39\x54\x24\x2b\x24\x55\x47\x2f" +
"\x24\x62\x4b\x74\x4e\x39\x3f\x4d\x4c\x69\x21\x23",
utf8: "月日は百代の過客にして、行かふ年も又旅人也。",
}, {
e: ShiftJIS,
encoded: "A\xa1\xb6\xdf " +
"0208: \x81\x40\x81\x41\x81\x7e\x81\x80\x81\x9d\x81\x9e\x81\x9f\x81\xa0\xea\xa4",
utf8: "A。カ゚ " +
"0208: \u3000\u3001\u00d7\u00f7\u25ce\u25c7\u25c6\u25a1\u7199",
}, {
e: ShiftJIS,
encoded: "\x8c\x8e\x93\xfa\x82\xcd\x95\x53\x91\xe3\x82\xcc\x89\xdf\x8b\x71" +
"\x82\xc9\x82\xb5\x82\xc4\x81\x41\x8d\x73\x82\xa9\x82\xd3\x94\x4e" +
"\x82\xe0\x96\x94\x97\xb7\x90\x6c\x96\xe7\x81\x42",
utf8: "月日は百代の過客にして、行かふ年も又旅人也。",
}}
for _, tc := range testCases {
enctest.TestEncoding(t, tc.e, tc.encoded, tc.utf8, tc.encPrefix, tc.encSuffix)
}
}
func TestFiles(t *testing.T) {
enctest.TestFile(t, EUCJP)
enctest.TestFile(t, ISO2022JP)
enctest.TestFile(t, ShiftJIS)
}
func BenchmarkEncoding(b *testing.B) {
enctest.Benchmark(b, EUCJP)
enctest.Benchmark(b, ISO2022JP)
enctest.Benchmark(b, ShiftJIS)
}
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