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// 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
}
}
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