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1// Copyright 2016 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package net
6
7import "testing"
8
9var parsePortTests = []struct {
10	service     string
11	port        int
12	needsLookup bool
13}{
14	{"", 0, false},
15
16	// Decimal number literals
17	{"-1073741825", -1 << 30, false},
18	{"-1073741824", -1 << 30, false},
19	{"-1073741823", -(1<<30 - 1), false},
20	{"-123456789", -123456789, false},
21	{"-1", -1, false},
22	{"-0", 0, false},
23	{"0", 0, false},
24	{"+0", 0, false},
25	{"+1", 1, false},
26	{"65535", 65535, false},
27	{"65536", 65536, false},
28	{"123456789", 123456789, false},
29	{"1073741822", 1<<30 - 2, false},
30	{"1073741823", 1<<30 - 1, false},
31	{"1073741824", 1<<30 - 1, false},
32	{"1073741825", 1<<30 - 1, false},
33
34	// Others
35	{"abc", 0, true},
36	{"9pfs", 0, true},
37	{"123badport", 0, true},
38	{"bad123port", 0, true},
39	{"badport123", 0, true},
40	{"123456789badport", 0, true},
41	{"-2147483649badport", 0, true},
42	{"2147483649badport", 0, true},
43}
44
45func TestParsePort(t *testing.T) {
46	// The following test cases are cribbed from the strconv
47	for _, tt := range parsePortTests {
48		if port, needsLookup := parsePort(tt.service); port != tt.port || needsLookup != tt.needsLookup {
49			t.Errorf("parsePort(%q) = %d, %t; want %d, %t", tt.service, port, needsLookup, tt.port, tt.needsLookup)
50		}
51	}
52}
53