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package token
import (
"strings"
"testing"
)
func TestNormalize(t *testing.T) {
for _, table := range [][2]string{
{"foo.com", "foo.com"}, // No-op
{"foO.coM", "foo.com"}, // ASCII to lower
{"räka.se", "räka.se"}, // No-op
{"rÄKa.se", "räka.se"}, // Unicode to lower
{"Ra\u0308ka.se", "räka.se"}, // Combining char
{"\u212bngström.se", "ångström.se"}, // Compatibility char
{"FAß.de", "faß.de"}, // IDNA2008 (not IDNA2003)
} {
out, err := NormalizeDomainName(table[0])
if err != nil {
t.Fatalf("normalization failed on %q: %v", table[0], err)
}
if out != table[1] {
t.Errorf("unexpected normalization of %q, got %q, wanted %q",
table[0], out, table[1])
}
}
}
func TestNormalizeReject(t *testing.T) {
for _, table := range [][2]string{
{"xn--72g.com", "un-normalized unicode"}, // Compatibility char
{"xn--RKA-2ha.se", "not all-lowercase"}, // Uppercase characters
} {
out, err := NormalizeDomainName(table[0])
if err == nil {
t.Errorf("accepted invalid domain %q, returned %q", table[0], out)
continue
}
if !strings.Contains(err.Error(), table[1]) {
t.Errorf("unexpected error type for %q, got %v, expected substring %q\n",
table[0], err, table[1])
}
}
}
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