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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/dns/dns_hosts.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace {
TEST(DnsHostsTest, ParseHosts) {
std::string contents =
"127.0.0.1 localhost\tlocalhost.localdomain # standard\n"
"\n"
"1.0.0.1 localhost # ignored, first hit above\n"
"fe00::x example company # ignored, malformed IPv6\n"
"1.0.0.300 company # ignored, malformed IPv4\n"
"1.0.0.1 # ignored, missing hostname\n"
"1.0.0.1\t CoMpANy # normalized to 'company' \n"
"::1\tlocalhost ip6-localhost ip6-loopback # comment # within a comment\n"
"\t fe00::0 ip6-localnet\r\n"
"2048::2 example\n"
"2048::1 company example # ignored for 'example' \n"
"gibberish";
const struct {
const char* host;
AddressFamily family;
const char* ip;
} entries[] = {
{ "localhost", ADDRESS_FAMILY_IPV4, "127.0.0.1" },
{ "localhost.localdomain", ADDRESS_FAMILY_IPV4, "127.0.0.1" },
{ "company", ADDRESS_FAMILY_IPV4, "1.0.0.1" },
{ "localhost", ADDRESS_FAMILY_IPV6, "::1" },
{ "ip6-localhost", ADDRESS_FAMILY_IPV6, "::1" },
{ "ip6-loopback", ADDRESS_FAMILY_IPV6, "::1" },
{ "ip6-localnet", ADDRESS_FAMILY_IPV6, "fe00::0" },
{ "company", ADDRESS_FAMILY_IPV6, "2048::1" },
{ "example", ADDRESS_FAMILY_IPV6, "2048::2" },
};
DnsHosts expected;
for (size_t i = 0; i < ARRAYSIZE_UNSAFE(entries); ++i) {
DnsHostsKey key(entries[i].host, entries[i].family);
IPAddressNumber& ip = expected[key];
ASSERT_TRUE(ip.empty());
ASSERT_TRUE(ParseIPLiteralToNumber(entries[i].ip, &ip));
ASSERT_EQ(ip.size(), (entries[i].family == ADDRESS_FAMILY_IPV4) ? 4u : 16u);
}
DnsHosts hosts;
ParseHosts(contents, &hosts);
ASSERT_EQ(expected, hosts);
}
} // namespace
} // namespace net
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