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rclone/vendor/golang.org/x/text/language/lookup_test.go

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// 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 (
"testing"
"golang.org/x/text/internal/tag"
)
func b(s string) []byte {
return []byte(s)
}
func TestLangID(t *testing.T) {
tests := []struct {
id, bcp47, iso3, norm string
err error
}{
{id: "", bcp47: "und", iso3: "und", err: errSyntax},
{id: " ", bcp47: "und", iso3: "und", err: errSyntax},
{id: " ", bcp47: "und", iso3: "und", err: errSyntax},
{id: " ", bcp47: "und", iso3: "und", err: errSyntax},
{id: "xxx", bcp47: "und", iso3: "und", err: mkErrInvalid([]byte("xxx"))},
{id: "und", bcp47: "und", iso3: "und"},
{id: "aju", bcp47: "aju", iso3: "aju", norm: "jrb"},
{id: "jrb", bcp47: "jrb", iso3: "jrb"},
{id: "es", bcp47: "es", iso3: "spa"},
{id: "spa", bcp47: "es", iso3: "spa"},
{id: "ji", bcp47: "ji", iso3: "yid-", norm: "yi"},
{id: "jw", bcp47: "jw", iso3: "jav-", norm: "jv"},
{id: "ar", bcp47: "ar", iso3: "ara"},
{id: "kw", bcp47: "kw", iso3: "cor"},
{id: "arb", bcp47: "arb", iso3: "arb", norm: "ar"},
{id: "ar", bcp47: "ar", iso3: "ara"},
{id: "kur", bcp47: "ku", iso3: "kur"},
{id: "nl", bcp47: "nl", iso3: "nld"},
{id: "NL", bcp47: "nl", iso3: "nld"},
{id: "gsw", bcp47: "gsw", iso3: "gsw"},
{id: "gSW", bcp47: "gsw", iso3: "gsw"},
{id: "und", bcp47: "und", iso3: "und"},
{id: "sh", bcp47: "sh", iso3: "hbs", norm: "sr"},
{id: "hbs", bcp47: "sh", iso3: "hbs", norm: "sr"},
{id: "no", bcp47: "no", iso3: "nor", norm: "no"},
{id: "nor", bcp47: "no", iso3: "nor", norm: "no"},
{id: "cmn", bcp47: "cmn", iso3: "cmn", norm: "zh"},
}
for i, tt := range tests {
want, err := getLangID(b(tt.id))
if err != tt.err {
t.Errorf("%d:err(%s): found %q; want %q", i, tt.id, err, tt.err)
}
if err != nil {
continue
}
if id, _ := getLangISO2(b(tt.bcp47)); len(tt.bcp47) == 2 && want != id {
t.Errorf("%d:getISO2(%s): found %v; want %v", i, tt.bcp47, id, want)
}
if len(tt.iso3) == 3 {
if id, _ := getLangISO3(b(tt.iso3)); want != id {
t.Errorf("%d:getISO3(%s): found %q; want %q", i, tt.iso3, id, want)
}
if id, _ := getLangID(b(tt.iso3)); want != id {
t.Errorf("%d:getID3(%s): found %v; want %v", i, tt.iso3, id, want)
}
}
norm := want
if tt.norm != "" {
norm, _ = getLangID(b(tt.norm))
}
id, _ := normLang(want)
if id != norm {
t.Errorf("%d:norm(%s): found %v; want %v", i, tt.id, id, norm)
}
if id := want.String(); tt.bcp47 != id {
t.Errorf("%d:String(): found %s; want %s", i, id, tt.bcp47)
}
if id := want.ISO3(); tt.iso3[:3] != id {
t.Errorf("%d:iso3(): found %s; want %s", i, id, tt.iso3[:3])
}
}
}
func TestGrandfathered(t *testing.T) {
for _, tt := range []struct{ in, out string }{
{"art-lojban", "jbo"},
{"i-ami", "ami"},
{"i-bnn", "bnn"},
{"i-hak", "hak"},
{"i-klingon", "tlh"},
{"i-lux", "lb"},
{"i-navajo", "nv"},
{"i-pwn", "pwn"},
{"i-tao", "tao"},
{"i-tay", "tay"},
{"i-tsu", "tsu"},
{"no-bok", "nb"},
{"no-nyn", "nn"},
{"sgn-BE-FR", "sfb"},
{"sgn-BE-NL", "vgt"},
{"sgn-CH-DE", "sgg"},
{"sgn-ch-de", "sgg"},
{"zh-guoyu", "cmn"},
{"zh-hakka", "hak"},
{"zh-min-nan", "nan"},
{"zh-xiang", "hsn"},
// Grandfathered tags with no modern replacement will be converted as follows:
{"cel-gaulish", "xtg-x-cel-gaulish"},
{"en-GB-oed", "en-GB-oxendict"},
{"en-gb-oed", "en-GB-oxendict"},
{"i-default", "en-x-i-default"},
{"i-enochian", "und-x-i-enochian"},
{"i-mingo", "see-x-i-mingo"},
{"zh-min", "nan-x-zh-min"},
{"root", "und"},
{"en_US_POSIX", "en-US-u-va-posix"},
{"en_us_posix", "en-US-u-va-posix"},
{"en-us-posix", "en-US-u-va-posix"},
} {
got := Raw.Make(tt.in)
want := Raw.MustParse(tt.out)
if got != want {
t.Errorf("%s: got %q; want %q", tt.in, got, want)
}
}
}
func TestRegionID(t *testing.T) {
tests := []struct {
in, out string
}{
{"_ ", ""},
{"_000", ""},
{"419", "419"},
{"AA", "AA"},
{"ATF", "TF"},
{"HV", "HV"},
{"CT", "CT"},
{"DY", "DY"},
{"IC", "IC"},
{"FQ", "FQ"},
{"JT", "JT"},
{"ZZ", "ZZ"},
{"EU", "EU"},
{"QO", "QO"},
{"FX", "FX"},
}
for i, tt := range tests {
if tt.in[0] == '_' {
id := tt.in[1:]
if _, err := getRegionID(b(id)); err == nil {
t.Errorf("%d:err(%s): found nil; want error", i, id)
}
continue
}
want, _ := getRegionID(b(tt.in))
if s := want.String(); s != tt.out {
t.Errorf("%d:%s: found %q; want %q", i, tt.in, s, tt.out)
}
if len(tt.in) == 2 {
want, _ := getRegionISO2(b(tt.in))
if s := want.String(); s != tt.out {
t.Errorf("%d:getISO2(%s): found %q; want %q", i, tt.in, s, tt.out)
}
}
}
}
func TestRegionType(t *testing.T) {
for _, tt := range []struct {
r string
t byte
}{
{"NL", bcp47Region | ccTLD},
{"EU", bcp47Region | ccTLD}, // exceptionally reserved
{"AN", bcp47Region | ccTLD}, // transitionally reserved
{"DD", bcp47Region}, // deleted in ISO, deprecated in BCP 47
{"NT", bcp47Region}, // transitionally reserved, deprecated in BCP 47
{"XA", iso3166UserAssigned | bcp47Region},
{"ZZ", iso3166UserAssigned | bcp47Region},
{"AA", iso3166UserAssigned | bcp47Region},
{"QO", iso3166UserAssigned | bcp47Region},
{"QM", iso3166UserAssigned | bcp47Region},
{"XK", iso3166UserAssigned | bcp47Region},
{"CT", 0}, // deleted in ISO, not in BCP 47, canonicalized in CLDR
} {
r := MustParseRegion(tt.r)
if tp := r.typ(); tp != tt.t {
t.Errorf("Type(%s): got %x; want %x", tt.r, tp, tt.t)
}
}
}
func TestRegionISO3(t *testing.T) {
tests := []struct {
from, iso3, to string
}{
{" ", "ZZZ", "ZZ"},
{"000", "ZZZ", "ZZ"},
{"AA", "AAA", ""},
{"CT", "CTE", ""},
{"DY", "DHY", ""},
{"EU", "QUU", ""},
{"HV", "HVO", ""},
{"IC", "ZZZ", "ZZ"},
{"JT", "JTN", ""},
{"PZ", "PCZ", ""},
{"QU", "QUU", "EU"},
{"QO", "QOO", ""},
{"YD", "YMD", ""},
{"FQ", "ATF", "TF"},
{"TF", "ATF", ""},
{"FX", "FXX", ""},
{"ZZ", "ZZZ", ""},
{"419", "ZZZ", "ZZ"},
}
for _, tt := range tests {
r, _ := getRegionID(b(tt.from))
if s := r.ISO3(); s != tt.iso3 {
t.Errorf("iso3(%q): found %q; want %q", tt.from, s, tt.iso3)
}
if tt.iso3 == "" {
continue
}
want := tt.to
if tt.to == "" {
want = tt.from
}
r, _ = getRegionID(b(want))
if id, _ := getRegionISO3(b(tt.iso3)); id != r {
t.Errorf("%s: found %q; want %q", tt.iso3, id, want)
}
}
}
func TestRegionM49(t *testing.T) {
fromTests := []struct {
m49 int
id string
}{
{0, ""},
{-1, ""},
{1000, ""},
{10000, ""},
{001, "001"},
{104, "MM"},
{180, "CD"},
{230, "ET"},
{231, "ET"},
{249, "FX"},
{250, "FR"},
{276, "DE"},
{278, "DD"},
{280, "DE"},
{419, "419"},
{626, "TL"},
{736, "SD"},
{840, "US"},
{854, "BF"},
{891, "CS"},
{899, ""},
{958, "AA"},
{966, "QT"},
{967, "EU"},
{999, "ZZ"},
}
for _, tt := range fromTests {
id, err := getRegionM49(tt.m49)
if want, have := err != nil, tt.id == ""; want != have {
t.Errorf("error(%d): have %v; want %v", tt.m49, have, want)
continue
}
r, _ := getRegionID(b(tt.id))
if r != id {
t.Errorf("region(%d): have %s; want %s", tt.m49, id, r)
}
}
toTests := []struct {
m49 int
id string
}{
{0, "000"},
{0, "IC"}, // Some codes don't have an ID
{001, "001"},
{104, "MM"},
{104, "BU"},
{180, "CD"},
{180, "ZR"},
{231, "ET"},
{250, "FR"},
{249, "FX"},
{276, "DE"},
{278, "DD"},
{419, "419"},
{626, "TL"},
{626, "TP"},
{729, "SD"},
{826, "GB"},
{840, "US"},
{854, "BF"},
{891, "YU"},
{891, "CS"},
{958, "AA"},
{966, "QT"},
{967, "EU"},
{967, "QU"},
{999, "ZZ"},
// For codes that don't have an M49 code use the replacement value,
// if available.
{854, "HV"}, // maps to Burkino Faso
}
for _, tt := range toTests {
r, _ := getRegionID(b(tt.id))
if r.M49() != tt.m49 {
t.Errorf("m49(%q): have %d; want %d", tt.id, r.M49(), tt.m49)
}
}
}
func TestRegionDeprecation(t *testing.T) {
tests := []struct{ in, out string }{
{"BU", "MM"},
{"BUR", "MM"},
{"CT", "KI"},
{"DD", "DE"},
{"DDR", "DE"},
{"DY", "BJ"},
{"FX", "FR"},
{"HV", "BF"},
{"JT", "UM"},
{"MI", "UM"},
{"NH", "VU"},
{"NQ", "AQ"},
{"PU", "UM"},
{"PZ", "PA"},
{"QU", "EU"},
{"RH", "ZW"},
{"TP", "TL"},
{"UK", "GB"},
{"VD", "VN"},
{"WK", "UM"},
{"YD", "YE"},
{"NL", "NL"},
}
for _, tt := range tests {
rIn, _ := getRegionID([]byte(tt.in))
rOut, _ := getRegionISO2([]byte(tt.out))
r := normRegion(rIn)
if rOut == rIn && r != 0 {
t.Errorf("%s: was %q; want %q", tt.in, r, tt.in)
}
if rOut != rIn && r != rOut {
t.Errorf("%s: was %q; want %q", tt.in, r, tt.out)
}
}
}
func TestGetScriptID(t *testing.T) {
idx := tag.Index("0000BbbbDdddEeeeZzzz\xff\xff\xff\xff")
tests := []struct {
in string
out scriptID
}{
{" ", 0},
{" ", 0},
{" ", 0},
{"", 0},
{"Aaaa", 0},
{"Bbbb", 1},
{"Dddd", 2},
{"dddd", 2},
{"dDDD", 2},
{"Eeee", 3},
{"Zzzz", 4},
}
for i, tt := range tests {
if id, err := getScriptID(idx, b(tt.in)); id != tt.out {
t.Errorf("%d:%s: found %d; want %d", i, tt.in, id, tt.out)
} else if id == 0 && err == nil {
t.Errorf("%d:%s: no error; expected one", i, tt.in)
}
}
}
func TestIsPrivateUse(t *testing.T) {
type test struct {
s string
private bool
}
tests := []test{
{"en", false},
{"und", false},
{"pzn", false},
{"qaa", true},
{"qtz", true},
{"qua", false},
}
for i, tt := range tests {
x, _ := getLangID([]byte(tt.s))
if b := x.IsPrivateUse(); b != tt.private {
t.Errorf("%d: langID.IsPrivateUse(%s) was %v; want %v", i, tt.s, b, tt.private)
}
}
tests = []test{
{"001", false},
{"419", false},
{"899", false},
{"900", false},
{"957", false},
{"958", true},
{"AA", true},
{"AC", false},
{"EU", false}, // CLDR grouping, exceptionally reserved in ISO.
{"QU", true}, // Canonicalizes to EU, User-assigned in ISO.
{"QO", true}, // CLDR grouping, User-assigned in ISO.
{"QA", false},
{"QM", true},
{"QZ", true},
{"XA", true},
{"XK", true}, // Assigned to Kosovo in CLDR, User-assigned in ISO.
{"XZ", true},
{"ZW", false},
{"ZZ", true},
}
for i, tt := range tests {
x, _ := getRegionID([]byte(tt.s))
if b := x.IsPrivateUse(); b != tt.private {
t.Errorf("%d: regionID.IsPrivateUse(%s) was %v; want %v", i, tt.s, b, tt.private)
}
}
tests = []test{
{"Latn", false},
{"Laaa", false}, // invalid
{"Qaaa", true},
{"Qabx", true},
{"Qaby", false},
{"Zyyy", false},
{"Zzzz", false},
}
for i, tt := range tests {
x, _ := getScriptID(script, []byte(tt.s))
if b := x.IsPrivateUse(); b != tt.private {
t.Errorf("%d: scriptID.IsPrivateUse(%s) was %v; want %v", i, tt.s, b, tt.private)
}
}
}
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