52 lines
1.0 KiB
Go
52 lines
1.0 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package net
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import (
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"bufio"
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"os"
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"runtime"
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"testing"
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)
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func TestReadLine(t *testing.T) {
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// /etc/services file does not exist on windows and Plan 9.
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switch runtime.GOOS {
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case "plan9", "windows":
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t.Skipf("skipping test on %q", runtime.GOOS)
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}
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filename := "/etc/services" // a nice big file
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fd, err := os.Open(filename)
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if err != nil {
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t.Fatalf("open %s: %v", filename, err)
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}
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br := bufio.NewReader(fd)
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file, err := open(filename)
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if file == nil {
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t.Fatalf("net.open(%s) = nil", filename)
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}
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lineno := 1
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byteno := 0
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for {
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bline, berr := br.ReadString('\n')
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if n := len(bline); n > 0 {
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bline = bline[0 : n-1]
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}
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line, ok := file.readLine()
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if (berr != nil) != !ok || bline != line {
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t.Fatalf("%s:%d (#%d)\nbufio => %q, %v\nnet => %q, %v",
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filename, lineno, byteno, bline, berr, line, ok)
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}
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if !ok {
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break
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}
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lineno++
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byteno += len(line) + 1
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}
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}
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