// 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 ( "testing" ) type testCase struct { name string result bool } var tests = []testCase{ // RFC2181, section 11. {"_xmpp-server._tcp.google.com", true}, {"_xmpp-server._tcp.google.com", true}, {"foo.com", true}, {"1foo.com", true}, {"26.0.0.73.com", true}, {"fo-o.com", true}, {"fo1o.com", true}, {"foo1.com", true}, {"a.b..com", false}, } func getTestCases(ch chan<- testCase) { defer close(ch) var char59 = "" var char63 = "" var char64 = "" for i := 0; i < 59; i++ { char59 += "a" } char63 = char59 + "aaaa" char64 = char63 + "a" for _, tc := range tests { ch <- tc } ch <- testCase{char63 + ".com", true} ch <- testCase{char64 + ".com", false} // 255 char name is fine: ch <- testCase{char59 + "." + char63 + "." + char63 + "." + char63 + ".com", true} // 256 char name is bad: ch <- testCase{char59 + "a." + char63 + "." + char63 + "." + char63 + ".com", false} } func TestDNSNames(t *testing.T) { ch := make(chan testCase) go getTestCases(ch) for tc := range ch { if isDomainName(tc.name) != tc.result { t.Errorf("isDomainName(%v) failed: Should be %v", tc.name, tc.result) } } }