--- /dev/null
+// 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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