1 // Copyright 2017 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package edit 6 7 import "testing" 8 9 func TestEdit(t *testing.T) { 10 b := NewBuffer([]byte("0123456789")) 11 b.Insert(8, ",7,") 12 b.Replace(9, 10, "the-end") 13 b.Insert(10, "!") 14 b.Insert(4, "3.14,") 15 b.Insert(4, ",") 16 b.Insert(4, "3.15,") 17 b.Replace(3, 4, "three,") 18 want := "012three,3.14,,3.15,4567,7,8the-end!" 19 20 s := b.String() 21 if s != want { 22 t.Errorf("b.String() = %q, want %q", s, want) 23 } 24 sb := b.Bytes() 25 if string(sb) != want { 26 t.Errorf("b.Bytes() = %q, want %q", sb, want) 27 } 28 } 29
