go.charczuk.com@v0.0.0-20240327042549-bc490516bd1a/sdk/uuid/v4_test.go (about) 1 /* 2 3 Copyright (c) 2023 - Present. Will Charczuk. All rights reserved. 4 Use of this source code is governed by a MIT license that can be found in the LICENSE file at the root of the repository. 5 6 */ 7 8 package uuid 9 10 import ( 11 "fmt" 12 "testing" 13 ) 14 15 func Test_V4(t *testing.T) { 16 m := make(map[string]bool) 17 for x := 1; x < 32; x++ { 18 uuid := V4() 19 s := fmt.Sprintf("%+v", uuid) 20 if m[s] { 21 t.Errorf("NewRandom returned duplicated UUID %s\n", s) 22 } 23 m[s] = true 24 if v := uuid.Version(); v != 4 { 25 t.Errorf("Random UUID of version %v\n", v) 26 } 27 } 28 }