| // Copyright 2009 The Go 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 net |
| |
| import ( |
| "bufio" |
| "os" |
| "testing" |
| "runtime" |
| ) |
| |
| func TestReadLine(t *testing.T) { |
| // /etc/services file does not exist on windows. |
| if runtime.GOOS == "windows" { |
| return |
| } |
| filename := "/etc/services" // a nice big file |
| |
| fd, err := os.Open(filename, os.O_RDONLY, 0) |
| if err != nil { |
| t.Fatalf("open %s: %v", filename, err) |
| } |
| br := bufio.NewReader(fd) |
| |
| file, err := open(filename) |
| if file == nil { |
| t.Fatalf("net.open(%s) = nil", filename) |
| } |
| |
| lineno := 1 |
| byteno := 0 |
| for { |
| bline, berr := br.ReadString('\n') |
| if n := len(bline); n > 0 { |
| bline = bline[0 : n-1] |
| } |
| line, ok := file.readLine() |
| if (berr != nil) != !ok || bline != line { |
| t.Fatalf("%s:%d (#%d)\nbufio => %q, %v\nnet => %q, %v", |
| filename, lineno, byteno, bline, berr, line, ok) |
| } |
| if !ok { |
| break |
| } |
| lineno++ |
| byteno += len(line) + 1 |
| } |
| } |