1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
// Copyright (C) 2011-2015 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <string>
#include <util/buffer.h>
#include <dns/exceptions.h>
#include <dns/rdataclass.h>
#include <gtest/gtest.h>
#include <dns/tests/unittest_util.h>
#include <dns/tests/rdata_unittest.h>
#include <util/unittests/wiredata.h>
using namespace std;
using namespace isc::util;
using namespace isc::dns;
using namespace isc::dns::rdata;
using isc::UnitTestUtil;
using isc::util::unittests::matchWireData;
namespace {
class Rdata_RP_Test : public RdataTest {
protected:
Rdata_RP_Test() :
mailbox_name("root.example.com."),
text_name("rp-text.example.com."),
// this also serves as a test for "from text" constructor in a normal
// case.
rdata_rp("root.example.com. rp-text.example.com."),
obuffer(0)
{}
void checkFromText_None(const string& rdata_str) {
checkFromText<generic::RP, isc::Exception, isc::Exception>(
rdata_str, rdata_rp, false, false);
}
void checkFromText_LexerError(const string& rdata_str) {
checkFromText
<generic::RP, InvalidRdataText, MasterLexer::LexerError>(
rdata_str, rdata_rp, true, true);
}
void checkFromText_BadString(const string& rdata_str) {
checkFromText<generic::RP, InvalidRdataText, isc::Exception>(
rdata_str, rdata_rp, true, false);
}
void checkFromText_EmptyLabel(const string& rdata_str) {
checkFromText<generic::RP, EmptyLabel, EmptyLabel>(
rdata_str, rdata_rp, true, true);
}
void checkFromText_MissingOrigin(const string& rdata_str) {
checkFromText
<generic::RP, MissingNameOrigin, MissingNameOrigin>(
rdata_str, rdata_rp, true, true);
}
void checkFromText_Origin(const string& rdata_str, const Name* origin) {
checkFromText<generic::RP, MissingNameOrigin, isc::Exception>(
rdata_str, rdata_rp, true, false, origin);
}
const Name mailbox_name, text_name;
const generic::RP rdata_rp; // commonly used test RDATA
OutputBuffer obuffer;
MessageRenderer renderer;
vector<uint8_t> expected_wire;
};
TEST_F(Rdata_RP_Test, createFromText) {
EXPECT_EQ(mailbox_name, rdata_rp.getMailbox());
EXPECT_EQ(text_name, rdata_rp.getText());
checkFromText_None("root.example.com. rp-text.example.com.");
// origin defined for lexer constructor, but not string constructor
const Name origin("example.com");
checkFromText_Origin("root rp-text", &origin);
// lexer constructor accepts extra text, but string constructor doesn't
checkFromText_BadString("root.example.com. rp-text.example.com. "
"extra.example.com.");
}
TEST_F(Rdata_RP_Test, badText) {
// invalid names
checkFromText_EmptyLabel("root..example.com. rp-text.example.com.");
checkFromText_EmptyLabel("root.example.com. rp-text..example.com.");
// missing field
checkFromText_LexerError("root.example.com.");
// missing origin
checkFromText_MissingOrigin("root.example.com rp-text.example.com.");
checkFromText_MissingOrigin("root.example.com. rp-text.example.com");
}
TEST_F(Rdata_RP_Test, createFromWire) {
RdataPtr rdata(rdataFactoryFromFile(RRType::RP(), RRClass::IN(),
"rdata_rp_fromWire1.wire"));
EXPECT_EQ(mailbox_name, dynamic_cast<generic::RP&>(*rdata).getMailbox());
EXPECT_EQ(text_name, dynamic_cast<generic::RP&>(*rdata).getText());
// a similar test with names being compressed
rdata = rdataFactoryFromFile(RRType::RP(), RRClass::IN(),
"rdata_rp_fromWire2.wire", 30);
EXPECT_EQ(mailbox_name, dynamic_cast<generic::RP&>(*rdata).getMailbox());
EXPECT_EQ(Name("rp-text.example.net"),
dynamic_cast<generic::RP&>(*rdata).getText());
}
TEST_F(Rdata_RP_Test, badFromWire) {
// RDLEN is too short
EXPECT_THROW(rdataFactoryFromFile(RRType::RP(), RRClass::IN(),
"rdata_rp_fromWire3.wire"),
InvalidRdataLength);
// RDLEN is too long
EXPECT_THROW(rdataFactoryFromFile(RRType::RP(), RRClass::IN(),
"rdata_rp_fromWire4.wire"),
InvalidRdataLength);
// bogus mailbox name
EXPECT_THROW(rdataFactoryFromFile(RRType::RP(), RRClass::IN(),
"rdata_rp_fromWire5.wire"),
DNSMessageFORMERR);
// bogus text name
EXPECT_THROW(rdataFactoryFromFile(RRType::RP(), RRClass::IN(),
"rdata_rp_fromWire6.wire"),
DNSMessageFORMERR);
}
TEST_F(Rdata_RP_Test, createFromParams) {
EXPECT_EQ(mailbox_name, generic::RP(mailbox_name, text_name).getMailbox());
EXPECT_EQ(text_name, generic::RP(mailbox_name, text_name).getText());
}
TEST_F(Rdata_RP_Test, toWireBuffer) {
// construct expected data
UnitTestUtil::readWireData("rdata_rp_toWire1.wire", expected_wire);
// construct actual data
rdata_rp.toWire(obuffer);
// then compare them
matchWireData(&expected_wire[0], expected_wire.size(),
obuffer.getData(), obuffer.getLength());
}
TEST_F(Rdata_RP_Test, toWireRenderer) {
// similar to toWireBuffer, but names in RDATA could be compressed due to
// preceding names. Actually they must not be compressed according to
// RFC3597, and this test checks that.
UnitTestUtil::readWireData("rdata_rp_toWire2.wire", expected_wire);
renderer.writeName(Name("a.example.com"));
renderer.writeName(Name("b.example.net"));
generic::RP(mailbox_name, Name("rp-text.example.net")).toWire(renderer);
matchWireData(&expected_wire[0], expected_wire.size(),
renderer.getData(), renderer.getLength());
}
TEST_F(Rdata_RP_Test, toText) {
// there's not much to test for this method. Only checking a simple case.
EXPECT_EQ("root.example.com. rp-text.example.com.", rdata_rp.toText());
}
TEST_F(Rdata_RP_Test, compare) {
// check reflexivity
EXPECT_EQ(0, rdata_rp.compare(rdata_rp));
// names must be compared in case-insensitive manner
EXPECT_EQ(0, rdata_rp.compare(generic::RP("ROOT.example.com. "
"rp-text.EXAMPLE.com.")));
// another RP whose mailbox name is larger than that of rdata_rp.
const generic::RP large1_rp("zzzz.example.com. rp-text.example.com.");
EXPECT_GT(0, rdata_rp.compare(large1_rp));
EXPECT_LT(0, large1_rp.compare(rdata_rp));
// yet another RP whose text name is larger than that of rdata_rp.
const generic::RP large2_rp("root.example.com. zzzzzzz.example.com.");
EXPECT_GT(0, rdata_rp.compare(large2_rp));
EXPECT_LT(0, large2_rp.compare(rdata_rp));
// comparison attempt between incompatible RR types should be rejected
EXPECT_THROW(rdata_rp.compare(*RdataTest::rdata_nomatch), bad_cast);
}
}
|
