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
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
|
// Copyright 2013 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 language
import (
"bytes"
"strings"
"testing"
"golang.org/x/text/internal/tag"
)
type scanTest struct {
ok bool // true if scanning does not result in an error
in string
tok []string // the expected tokens
}
var tests = []scanTest{
{true, "", []string{}},
{true, "1", []string{"1"}},
{true, "en", []string{"en"}},
{true, "root", []string{"root"}},
{true, "maxchars", []string{"maxchars"}},
{false, "bad/", []string{}},
{false, "morethan8", []string{}},
{false, "-", []string{}},
{false, "----", []string{}},
{false, "_", []string{}},
{true, "en-US", []string{"en", "US"}},
{true, "en_US", []string{"en", "US"}},
{false, "en-US-", []string{"en", "US"}},
{false, "en-US--", []string{"en", "US"}},
{false, "en-US---", []string{"en", "US"}},
{false, "en--US", []string{"en", "US"}},
{false, "-en-US", []string{"en", "US"}},
{false, "-en--US-", []string{"en", "US"}},
{false, "-en--US-", []string{"en", "US"}},
{false, "en-.-US", []string{"en", "US"}},
{false, ".-en--US-.", []string{"en", "US"}},
{false, "en-u.-US", []string{"en", "US"}},
{true, "en-u1-US", []string{"en", "u1", "US"}},
{true, "maxchar1_maxchar2-maxchar3", []string{"maxchar1", "maxchar2", "maxchar3"}},
{false, "moreThan8-moreThan8-e", []string{"e"}},
}
func TestScan(t *testing.T) {
for i, tt := range tests {
scan := makeScannerString(tt.in)
for j := 0; !scan.done; j++ {
if j >= len(tt.tok) {
t.Errorf("%d: extra token %q", i, scan.token)
} else if tag.Compare(tt.tok[j], scan.token) != 0 {
t.Errorf("%d: token %d: found %q; want %q", i, j, scan.token, tt.tok[j])
break
}
scan.scan()
}
if s := strings.Join(tt.tok, "-"); tag.Compare(s, bytes.Replace(scan.b, b("_"), b("-"), -1)) != 0 {
t.Errorf("%d: input: found %q; want %q", i, scan.b, s)
}
if (scan.err == nil) != tt.ok {
t.Errorf("%d: ok: found %v; want %v", i, scan.err == nil, tt.ok)
}
}
}
func TestAcceptMinSize(t *testing.T) {
for i, tt := range tests {
// count number of successive tokens with a minimum size.
for sz := 1; sz <= 8; sz++ {
scan := makeScannerString(tt.in)
scan.end, scan.next = 0, 0
end := scan.acceptMinSize(sz)
n := 0
for i := 0; i < len(tt.tok) && len(tt.tok[i]) >= sz; i++ {
n += len(tt.tok[i])
if i > 0 {
n++
}
}
if end != n {
t.Errorf("%d:%d: found len %d; want %d", i, sz, end, n)
}
}
}
}
type parseTest struct {
i int // the index of this test
in string
lang, script, region string
variants, ext string
extList []string // only used when more than one extension is present
invalid bool
rewrite bool // special rewrite not handled by parseTag
changed bool // string needed to be reformatted
}
func parseTests() []parseTest {
tests := []parseTest{
{in: "root", lang: "und"},
{in: "und", lang: "und"},
{in: "en", lang: "en"},
{in: "xy", lang: "und", invalid: true},
{in: "en-ZY", lang: "en", invalid: true},
{in: "gsw", lang: "gsw"},
{in: "sr_Latn", lang: "sr", script: "Latn"},
{in: "af-Arab", lang: "af", script: "Arab"},
{in: "nl-BE", lang: "nl", region: "BE"},
{in: "es-419", lang: "es", region: "419"},
{in: "und-001", lang: "und", region: "001"},
{in: "de-latn-be", lang: "de", script: "Latn", region: "BE"},
// Variants
{in: "de-1901", lang: "de", variants: "1901"},
// Accept with unsuppressed script.
{in: "de-Latn-1901", lang: "de", script: "Latn", variants: "1901"},
// Specialized.
{in: "sl-rozaj", lang: "sl", variants: "rozaj"},
{in: "sl-rozaj-lipaw", lang: "sl", variants: "rozaj-lipaw"},
{in: "sl-rozaj-biske", lang: "sl", variants: "rozaj-biske"},
{in: "sl-rozaj-biske-1994", lang: "sl", variants: "rozaj-biske-1994"},
{in: "sl-rozaj-1994", lang: "sl", variants: "rozaj-1994"},
// Maximum number of variants while adhering to prefix rules.
{in: "sl-rozaj-biske-1994-alalc97-fonipa-fonupa-fonxsamp", lang: "sl", variants: "rozaj-biske-1994-alalc97-fonipa-fonupa-fonxsamp"},
// Sorting.
{in: "sl-1994-biske-rozaj", lang: "sl", variants: "rozaj-biske-1994", changed: true},
{in: "sl-rozaj-biske-1994-alalc97-fonupa-fonipa-fonxsamp", lang: "sl", variants: "rozaj-biske-1994-alalc97-fonipa-fonupa-fonxsamp", changed: true},
{in: "nl-fonxsamp-alalc97-fonipa-fonupa", lang: "nl", variants: "alalc97-fonipa-fonupa-fonxsamp", changed: true},
// Duplicates variants are removed, but not an error.
{in: "nl-fonupa-fonupa", lang: "nl", variants: "fonupa"},
// Variants that do not have correct prefixes. We still accept these.
{in: "de-Cyrl-1901", lang: "de", script: "Cyrl", variants: "1901"},
{in: "sl-rozaj-lipaw-1994", lang: "sl", variants: "rozaj-lipaw-1994"},
{in: "sl-1994-biske-rozaj-1994-biske-rozaj", lang: "sl", variants: "rozaj-biske-1994", changed: true},
{in: "de-Cyrl-1901", lang: "de", script: "Cyrl", variants: "1901"},
// Invalid variant.
{in: "de-1902", lang: "de", variants: "", invalid: true},
{in: "EN_CYRL", lang: "en", script: "Cyrl"},
// private use and extensions
{in: "x-a-b-c-d", ext: "x-a-b-c-d"},
{in: "x_A.-B-C_D", ext: "x-b-c-d", invalid: true, changed: true},
{in: "x-aa-bbbb-cccccccc-d", ext: "x-aa-bbbb-cccccccc-d"},
{in: "en-c_cc-b-bbb-a-aaa", lang: "en", changed: true, extList: []string{"a-aaa", "b-bbb", "c-cc"}},
{in: "en-x_cc-b-bbb-a-aaa", lang: "en", ext: "x-cc-b-bbb-a-aaa", changed: true},
{in: "en-c_cc-b-bbb-a-aaa-x-x", lang: "en", changed: true, extList: []string{"a-aaa", "b-bbb", "c-cc", "x-x"}},
{in: "en-v-c", lang: "en", ext: "", invalid: true},
{in: "en-v-abcdefghi", lang: "en", ext: "", invalid: true},
{in: "en-v-abc-x", lang: "en", ext: "v-abc", invalid: true},
{in: "en-v-abc-x-", lang: "en", ext: "v-abc", invalid: true},
{in: "en-v-abc-w-x-xx", lang: "en", extList: []string{"v-abc", "x-xx"}, invalid: true, changed: true},
{in: "en-v-abc-w-y-yx", lang: "en", extList: []string{"v-abc", "y-yx"}, invalid: true, changed: true},
{in: "en-v-c-abc", lang: "en", ext: "c-abc", invalid: true, changed: true},
{in: "en-v-w-abc", lang: "en", ext: "w-abc", invalid: true, changed: true},
{in: "en-v-x-abc", lang: "en", ext: "x-abc", invalid: true, changed: true},
{in: "en-v-x-a", lang: "en", ext: "x-a", invalid: true, changed: true},
{in: "en-9-aa-0-aa-z-bb-x-a", lang: "en", extList: []string{"0-aa", "9-aa", "z-bb", "x-a"}, changed: true},
{in: "en-u-c", lang: "en", ext: "", invalid: true},
{in: "en-u-co-phonebk", lang: "en", ext: "u-co-phonebk"},
{in: "en-u-co-phonebk-ca", lang: "en", ext: "u-ca-co-phonebk", changed: true},
{in: "en-u-nu-arabic-co-phonebk-ca", lang: "en", ext: "u-ca-co-phonebk-nu-arabic", changed: true},
{in: "en-u-nu-arabic-co-phonebk-ca-x", lang: "en", ext: "u-ca-co-phonebk-nu-arabic", invalid: true, changed: true},
{in: "en-u-nu-arabic-co-phonebk-ca-s", lang: "en", ext: "u-ca-co-phonebk-nu-arabic", invalid: true, changed: true},
{in: "en-u-nu-arabic-co-phonebk-ca-a12345678", lang: "en", ext: "u-ca-co-phonebk-nu-arabic", invalid: true, changed: true},
{in: "en-u-co-phonebook", lang: "en", ext: "u-co", invalid: true},
{in: "en-u-co-phonebook-cu-xau", lang: "en", ext: "u-co-cu-xau", invalid: true, changed: true},
{in: "en-Cyrl-u-co-phonebk", lang: "en", script: "Cyrl", ext: "u-co-phonebk"},
{in: "en-US-u-co-phonebk", lang: "en", region: "US", ext: "u-co-phonebk"},
{in: "en-US-u-co-phonebk-cu-xau", lang: "en", region: "US", ext: "u-co-phonebk-cu-xau"},
{in: "en-scotland-u-co-phonebk", lang: "en", variants: "scotland", ext: "u-co-phonebk"},
{in: "en-u-cu-xua-co-phonebk", lang: "en", ext: "u-co-phonebk-cu-xua", changed: true},
{in: "en-u-def-abc-cu-xua-co-phonebk", lang: "en", ext: "u-abc-def-co-phonebk-cu-xua", changed: true},
{in: "en-u-def-abc", lang: "en", ext: "u-abc-def", changed: true},
{in: "en-u-cu-xua-co-phonebk-a-cd", lang: "en", extList: []string{"a-cd", "u-co-phonebk-cu-xua"}, changed: true},
{in: "en-u-cu-co-phonebk", lang: "en", extList: []string{"u-co-phonebk-cu"}, changed: true},
{in: "en-u-cu-xau-co", lang: "en", extList: []string{"u-co-cu-xau"}, changed: true},
// LDML spec is not specific about it, but remove duplicates and return an error if the values differ.
{in: "en-u-cu-xau-co-phonebk-cu-xau", lang: "en", ext: "u-co-phonebk-cu-xau", changed: true},
// No change as the result is a substring of the original!
{in: "en-US-u-cu-xau-cu-eur", lang: "en", region: "US", ext: "u-cu-xau", invalid: true, changed: false},
{in: "en-t-en-Cyrl-NL-fonipa", lang: "en", ext: "t-en-cyrl-nl-fonipa", changed: true},
{in: "en-t-en-Cyrl-NL-fonipa-t0-abc-def", lang: "en", ext: "t-en-cyrl-nl-fonipa-t0-abc-def", changed: true},
{in: "en-t-t0-abcd", lang: "en", ext: "t-t0-abcd"},
// Not necessary to have changed here.
{in: "en-t-nl-abcd", lang: "en", ext: "t-nl", invalid: true},
{in: "en-t-nl-latn", lang: "en", ext: "t-nl-latn"},
{in: "en-t-t0-abcd-x-a", lang: "en", extList: []string{"t-t0-abcd", "x-a"}},
{in: "en_t_pt_MLt", lang: "en", ext: "t-pt-mlt", changed: true},
{in: "en-t-fr-est", lang: "en", ext: "t-fr-est", changed: false},
{in: "fr-est", lang: "et", changed: false},
{in: "fr-est-Cyrl", lang: "et", script: "Cyrl", changed: false},
// The same input here is used in both TestParse and TestParseExtensions.
// changed should be true for this input in TestParse but changed should be false for this input in TestParseExtensions
// because the entire input has been reformatted but the extension part hasn't.
// {in: "fr-est-t-fr-est", lang: "et", ext: "t-fr-est", changed: true},
// invalid
{in: "", lang: "und", invalid: true},
{in: "-", lang: "und", invalid: true},
{in: "x", lang: "und", invalid: true},
{in: "x-", lang: "und", invalid: true},
{in: "x--", lang: "und", invalid: true},
{in: "a-a-b-c-d", lang: "und", invalid: true},
{in: "en-", lang: "en", invalid: true},
{in: "enne-", lang: "und", invalid: true},
{in: "en.", lang: "und", invalid: true},
{in: "en.-latn", lang: "und", invalid: true},
{in: "en.-en", lang: "en", invalid: true},
{in: "x-a-tooManyChars-c-d", ext: "x-a-c-d", invalid: true, changed: true},
{in: "a-tooManyChars-c-d", lang: "und", invalid: true},
// TODO: check key-value validity
// { in: "en-u-cu-xd", lang: "en", ext: "u-cu-xd", invalid: true },
{in: "en-t-abcd", lang: "en", invalid: true},
{in: "en-Latn-US-en", lang: "en", script: "Latn", region: "US", invalid: true},
// rewrites (more tests in TestGrandfathered)
{in: "zh-min-nan", lang: "nan"},
{in: "zh-yue", lang: "yue"},
{in: "zh-xiang", lang: "hsn", rewrite: true},
{in: "zh-guoyu", lang: "cmn", rewrite: true},
{in: "iw", lang: "iw"},
{in: "sgn-BE-FR", lang: "sfb", rewrite: true},
{in: "i-klingon", lang: "tlh", rewrite: true},
}
for i, tt := range tests {
tests[i].i = i
if tt.extList != nil {
tests[i].ext = strings.Join(tt.extList, "-")
}
if tt.ext != "" && tt.extList == nil {
tests[i].extList = []string{tt.ext}
}
}
return tests
}
func TestParseExtensions(t *testing.T) {
for i, tt := range parseTests() {
if tt.ext == "" || tt.rewrite {
continue
}
scan := makeScannerString(tt.in)
if len(scan.b) > 1 && scan.b[1] != '-' {
scan.end = nextExtension(string(scan.b), 0)
scan.next = scan.end + 1
scan.scan()
}
start := scan.start
scan.toLower(start, len(scan.b))
parseExtensions(&scan)
ext := string(scan.b[start:])
if ext != tt.ext {
t.Errorf("%d(%s): ext was %v; want %v", i, tt.in, ext, tt.ext)
}
if changed := !strings.HasPrefix(tt.in[start:], ext); changed != tt.changed {
t.Errorf("%d(%s): changed was %v; want %v", i, tt.in, changed, tt.changed)
}
}
}
// partChecks runs checks for each part by calling the function returned by f.
func partChecks(t *testing.T, f func(*testing.T, *parseTest) (Tag, bool)) {
for i, tt := range parseTests() {
t.Run(tt.in, func(t *testing.T) {
tag, skip := f(t, &tt)
if skip {
return
}
if l, _ := getLangID(b(tt.lang)); l != tag.LangID {
t.Errorf("%d: lang was %q; want %q", i, tag.LangID, l)
}
if sc, _ := getScriptID(script, b(tt.script)); sc != tag.ScriptID {
t.Errorf("%d: script was %q; want %q", i, tag.ScriptID, sc)
}
if r, _ := getRegionID(b(tt.region)); r != tag.RegionID {
t.Errorf("%d: region was %q; want %q", i, tag.RegionID, r)
}
if tag.str == "" {
return
}
p := int(tag.pVariant)
if p < int(tag.pExt) {
p++
}
if s, g := tag.str[p:tag.pExt], tt.variants; s != g {
t.Errorf("%d: variants was %q; want %q", i, s, g)
}
p = int(tag.pExt)
if p > 0 && p < len(tag.str) {
p++
}
if s, g := (tag.str)[p:], tt.ext; s != g {
t.Errorf("%d: extensions were %q; want %q", i, s, g)
}
})
}
}
func TestParseTag(t *testing.T) {
partChecks(t, func(t *testing.T, tt *parseTest) (id Tag, skip bool) {
if strings.HasPrefix(tt.in, "x-") || tt.rewrite {
return Tag{}, true
}
scan := makeScannerString(tt.in)
id, end := parseTag(&scan, true)
id.str = string(scan.b[:end])
tt.ext = ""
tt.extList = []string{}
return id, false
})
}
func TestParse(t *testing.T) {
partChecks(t, func(t *testing.T, tt *parseTest) (id Tag, skip bool) {
id, err := Parse(tt.in)
ext := ""
if id.str != "" {
if strings.HasPrefix(id.str, "x-") {
ext = id.str
} else if int(id.pExt) < len(id.str) && id.pExt > 0 {
ext = id.str[id.pExt+1:]
}
}
if tag, _ := Parse(id.String()); tag.String() != id.String() {
t.Errorf("%d:%s: reparse was %q; want %q", tt.i, tt.in, id.String(), tag.String())
}
if ext != tt.ext {
t.Errorf("%d:%s: ext was %q; want %q", tt.i, tt.in, ext, tt.ext)
}
changed := id.str != "" && !strings.HasPrefix(tt.in, id.str)
if changed != tt.changed {
t.Errorf("%d:%s: changed was %v; want %v", tt.i, tt.in, changed, tt.changed)
}
if (err != nil) != tt.invalid {
t.Errorf("%d:%s: invalid was %v; want %v. Error: %v", tt.i, tt.in, err != nil, tt.invalid, err)
}
return id, false
})
}
func TestErrors(t *testing.T) {
mkInvalid := func(s string) error {
return NewValueError([]byte(s))
}
tests := []struct {
in string
out error
}{
// invalid subtags.
{"ac", mkInvalid("ac")},
{"AC", mkInvalid("ac")},
{"aa-Uuuu", mkInvalid("Uuuu")},
{"aa-AB", mkInvalid("AB")},
// ill-formed wins over invalid.
{"ac-u", ErrSyntax},
{"ac-u-ca", mkInvalid("ac")},
{"ac-u-ca-co-pinyin", mkInvalid("ac")},
{"noob", ErrSyntax},
}
for _, tt := range tests {
_, err := Parse(tt.in)
if err != tt.out {
t.Errorf("%s: was %q; want %q", tt.in, err, tt.out)
}
}
}
|
