1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "net/dns/dns_query.h"
6
7 #include "base/bind.h"
8 #include "net/base/dns_util.h"
9 #include "net/base/io_buffer.h"
10 #include "net/dns/dns_protocol.h"
11 #include "testing/gtest/include/gtest/gtest.h"
12
13 namespace net {
14
15 namespace {
16
TEST(DnsQueryTest,Constructor)17 TEST(DnsQueryTest, Constructor) {
18 // This includes \0 at the end.
19 const char qname_data[] = "\x03""www""\x07""example""\x03""com";
20 const uint8 query_data[] = {
21 // Header
22 0xbe, 0xef,
23 0x01, 0x00, // Flags -- set RD (recursion desired) bit.
24 0x00, 0x01, // Set QDCOUNT (question count) to 1, all the
25 // rest are 0 for a query.
26 0x00, 0x00,
27 0x00, 0x00,
28 0x00, 0x00,
29
30 // Question
31 0x03, 'w', 'w', 'w', // QNAME: www.example.com in DNS format.
32 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
33 0x03, 'c', 'o', 'm',
34 0x00,
35
36 0x00, 0x01, // QTYPE: A query.
37 0x00, 0x01, // QCLASS: IN class.
38 };
39
40 base::StringPiece qname(qname_data, sizeof(qname_data));
41 DnsQuery q1(0xbeef, qname, dns_protocol::kTypeA);
42 EXPECT_EQ(dns_protocol::kTypeA, q1.qtype());
43
44 ASSERT_EQ(static_cast<int>(sizeof(query_data)), q1.io_buffer()->size());
45 EXPECT_EQ(0, memcmp(q1.io_buffer()->data(), query_data, sizeof(query_data)));
46 EXPECT_EQ(qname, q1.qname());
47
48 base::StringPiece question(reinterpret_cast<const char*>(query_data) + 12,
49 21);
50 EXPECT_EQ(question, q1.question());
51 }
52
TEST(DnsQueryTest,Clone)53 TEST(DnsQueryTest, Clone) {
54 // This includes \0 at the end.
55 const char qname_data[] = "\x03""www""\x07""example""\x03""com";
56 base::StringPiece qname(qname_data, sizeof(qname_data));
57
58 DnsQuery q1(0, qname, dns_protocol::kTypeA);
59 EXPECT_EQ(0, q1.id());
60 scoped_ptr<DnsQuery> q2(q1.CloneWithNewId(42));
61 EXPECT_EQ(42, q2->id());
62 EXPECT_EQ(q1.io_buffer()->size(), q2->io_buffer()->size());
63 EXPECT_EQ(q1.qtype(), q2->qtype());
64 EXPECT_EQ(q1.question(), q2->question());
65 }
66
67 } // namespace
68
69 } // namespace net
70