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package idn
import (
"strings"
"testing"
)
var testcases = [][2]string{
{"", ""},
{"a", "a"},
{"a-b", "a-b"},
{"a-b-c", "a-b-c"},
{"abc", "abc"},
{"я", "xn--41a"},
{"zя", "xn--z-0ub"},
{"яZ", "xn--z-zub"},
{"а-я", "xn----7sb8g"},
{"إختبار", "xn--kgbechtv"},
{"آزمایشی", "xn--hgbk6aj7f53bba"},
{"测试", "xn--0zwm56d"},
{"測試", "xn--g6w251d"},
{"испытание", "xn--80akhbyknj4f"},
{"परीक्षा", "xn--11b5bs3a9aj6g"},
{"δοκιμή", "xn--jxalpdlp"},
{"테스트", "xn--9t4b11yi5a"},
{"טעסט", "xn--deba0ad"},
{"テスト", "xn--zckzah"},
{"பரிட்சை", "xn--hlcj6aya9esc7a"},
{"mamão-com-açúcar", "xn--mamo-com-acar-yeb1e6q"},
{"σ", "xn--4xa"},
}
func TestEncodeDecodePunycode(t *testing.T) {
for _, tst := range testcases {
enc := encode([]byte(tst[0]))
if string(enc) != tst[1] {
t.Errorf("%s encodeded as %s but should be %s", tst[0], enc, tst[1])
}
dec := decode([]byte(tst[1]))
if string(dec) != strings.ToLower(tst[0]) {
t.Errorf("%s decoded as %s but should be %s", tst[1], dec, strings.ToLower(tst[0]))
}
}
}
func TestToFromPunycode(t *testing.T) {
for _, tst := range testcases {
// assert unicode.com == punycode.com
full := ToPunycode(tst[0] + ".com")
if full != tst[1]+".com" {
t.Errorf("invalid result from string conversion to punycode, %s and should be %s.com", full, tst[1])
}
// assert punycode.punycode == unicode.unicode
decoded := FromPunycode(tst[1] + "." + tst[1])
if decoded != strings.ToLower(tst[0]+"."+tst[0]) {
t.Errorf("invalid result from string conversion to punycode, %s and should be %s.%s", decoded, tst[0], tst[0])
}
}
}
func TestEncodeDecodeFinalPeriod(t *testing.T) {
for _, tst := range testcases {
// assert unicode.com. == punycode.com.
full := ToPunycode(tst[0] + ".")
if full != tst[1]+"." {
t.Errorf("invalid result from string conversion to punycode when period added at the end, %#v and should be %#v", full, tst[1]+".")
}
// assert punycode.com. == unicode.com.
decoded := FromPunycode(tst[1] + ".")
if decoded != strings.ToLower(tst[0]+".") {
t.Errorf("invalid result from string conversion to punycode when period added, %#v and should be %#v", decoded, tst[0]+".")
}
full = ToPunycode(tst[0])
if full != tst[1] {
t.Errorf("invalid result from string conversion to punycode when no period added at the end, %#v and should be %#v", full, tst[1]+".")
}
// assert punycode.com. == unicode.com.
decoded = FromPunycode(tst[1])
if decoded != strings.ToLower(tst[0]) {
t.Errorf("invalid result from string conversion to punycode when no period added, %#v and should be %#v", decoded, tst[0]+".")
}
}
}
var invalidACEs = []string{
"xn--*",
"xn--",
"xn---",
"xn--a000000000",
}
func TestInvalidPunycode(t *testing.T) {
for _, d := range invalidACEs {
s := FromPunycode(d)
if s != d {
t.Errorf("Changed invalid name %s to %#v", d, s)
}
}
}
// You can verify the labels that are valid or not comparing to the Verisign
// website: http://mct.verisign-grs.com/
var invalidUnicodes = []string{
"Σ",
"ЯZ",
"Испытание",
}
func TestInvalidUnicodes(t *testing.T) {
for _, d := range invalidUnicodes {
s := ToPunycode(d)
if s != "" {
t.Errorf("Changed invalid name %s to %#v", d, s)
}
}
}
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