net/dns/dns_query_unittest.cc

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