host and port name lookup

R=r,presotto
DELTA=1239  (935 added, 281 deleted, 23 changed)
OCL=21041
CL=21539

src/lib/net/parse_test.go

@@ -0,0 +1,46 @@
+// 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";
+	"net";
+	"os";
+	"testing";
+)
+
+export func TestReadLine(t *testing.T) {
+	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, err1 := bufio.NewBufRead(fd);
+	if err1 != nil {
+		t.Fatalf("bufio.NewBufRead: %v", err1);
+	}
+
+	file := Open(filename);
+	if file == nil {
+		t.Fatalf("net.Open(%s) = nil", filename);
+	}
+
+	lineno := 1;
+	byteno := 0;
+	for {
+		bline, berr := br.ReadLineString('\n', false);
+		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;
+	}
+}