1 // Copyright 2010 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 textproto 6 7 import ( 8 "bufio" 9 "bytes" 10 "testing" 11 ) 12 13 func TestPrintfLine(t *testing.T) { 14 var buf bytes.Buffer 15 w := NewWriter(bufio.NewWriter(&buf)) 16 err := w.PrintfLine("foo %d", 123) 17 if s := buf.String(); s != "foo 123\r\n" || err != nil { 18 t.Fatalf("s=%q; err=%s", s, err) 19 } 20 } 21 22 func TestDotWriter(t *testing.T) { 23 var buf bytes.Buffer 24 w := NewWriter(bufio.NewWriter(&buf)) 25 d := w.DotWriter() 26 n, err := d.Write([]byte("abc\n.def\n..ghi\n.jkl\n.")) 27 if n != 21 || err != nil { 28 t.Fatalf("Write: %d, %s", n, err) 29 } 30 d.Close() 31 want := "abc\r\n..def\r\n...ghi\r\n..jkl\r\n..\r\n.\r\n" 32 if s := buf.String(); s != want { 33 t.Fatalf("wrote %q", s) 34 } 35 } 36