| // Copyright 2015 The Vanadium 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 discovery |
| |
| import ( |
| "testing" |
| "unicode/utf8" |
| ) |
| |
| func TestInstanceId(t *testing.T) { |
| instanceIds := make(map[string]struct{}) |
| for x := 0; x < 100; x++ { |
| id, err := newInstanceId() |
| if err != nil { |
| t.Error(err) |
| continue |
| } |
| |
| if !utf8.ValidString(id) { |
| t.Errorf("newInstanceId returned invalid utf-8 string %x", id) |
| } |
| |
| if _, ok := instanceIds[id]; ok { |
| t.Errorf("newInstanceId returned duplicated id %x", id) |
| } |
| instanceIds[id] = struct{}{} |
| } |
| } |
