1 files changed, 100 insertions, 0 deletions
diff --git a/src/net/parse_test.go b/src/net/parse_test.go
new file mode 100644
index 0000000..c5f8bfd
--- /dev/null
+++ b/src/net/parse_test.go
@@ -0,0 +1,100 @@
+// 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"
+	"runtime"
+	"testing"
+)
+
+func TestReadLine(t *testing.T) {
+	// /etc/services file does not exist on android, plan9, windows.
+	switch runtime.GOOS {
+	case "android", "plan9", "windows":
+		t.Skipf("not supported on %s", runtime.GOOS)
+	}
+	filename := "/etc/services" // a nice big file
+
+	fd, err := os.Open(filename)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer fd.Close()
+	br := bufio.NewReader(fd)
+
+	file, err := open(filename)
+	if file == nil {
+		t.Fatal(err)
+	}
+	defer file.close()
+
+	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
+	}
+}
+
+func TestGoDebugString(t *testing.T) {
+	defer os.Setenv("GODEBUG", os.Getenv("GODEBUG"))
+	tests := []struct {
+		godebug string
+		key     string
+		want    string
+	}{
+		{"", "foo", ""},
+		{"foo=", "foo", ""},
+		{"foo=bar", "foo", "bar"},
+		{"foo=bar,", "foo", "bar"},
+		{"foo,foo=bar,", "foo", "bar"},
+		{"foo1=bar,foo=bar,", "foo", "bar"},
+		{"foo=bar,foo=bar,", "foo", "bar"},
+		{"foo=", "foo", ""},
+		{"foo", "foo", ""},
+		{",foo", "foo", ""},
+		{"foo=bar,baz", "loooooooong", ""},
+	}
+	for _, tt := range tests {
+		os.Setenv("GODEBUG", tt.godebug)
+		if got := goDebugString(tt.key); got != tt.want {
+			t.Errorf("for %q, goDebugString(%q) = %q; want %q", tt.godebug, tt.key, got, tt.want)
+		}
+	}
+}
+
+func TestDtoi(t *testing.T) {
+	for _, tt := range []struct {
+		in  string
+		out int
+		off int
+		ok  bool
+	}{
+		{"", 0, 0, false},
+		{"0", 0, 1, true},
+		{"65536", 65536, 5, true},
+		{"123456789", big, 8, false},
+		{"-0", 0, 0, false},
+		{"-1234", 0, 0, false},
+	} {
+		n, i, ok := dtoi(tt.in)
+		if n != tt.out || i != tt.off || ok != tt.ok {
+			t.Errorf("got %d, %d, %v; want %d, %d, %v", n, i, ok, tt.out, tt.off, tt.ok)
+		}
+	}
+}