package deviceconfig

import (
	"strings"
	"testing"
)

func TestDisplayName(t *testing.T) {
	for _, name := range []string{"", "客厅陪伴设备", strings.Repeat("名", 32), "卧室 · EchoEar"} {
		if !ValidDisplayName(name) {
			t.Fatalf("rejected %q", name)
		}
	}
	for _, name := range []string{strings.Repeat("名", 33), " leading", "trailing ", "\u3000名称", "a\x00b", "a\nb", "a\u0085b", string([]byte{0xff})} {
		if ValidDisplayName(name) {
			t.Fatalf("accepted %q", name)
		}
	}
}