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// Copyright (C) 2010-2015 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 <util/buffer.h>
#include <dns/exceptions.h>
#include <dns/messagerenderer.h>
#include <dns/rdata.h>
#include <dns/rdataclass.h>
#include <dns/rrclass.h>
#include <dns/rrtype.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::dns;
using namespace isc::util;
using namespace isc::dns::rdata;
using isc::UnitTestUtil;
using isc::util::unittests::matchWireData;
namespace {
class Rdata_DNAME_Test : public RdataTest {
public:
Rdata_DNAME_Test() :
rdata_dname("dn.example.com."),
rdata_dname2("dn2.example.com.")
{}
const generic::DNAME rdata_dname;
const generic::DNAME rdata_dname2;
};
const uint8_t wiredata_dname[] = {
0x02, 0x64, 0x6e, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03,
0x63, 0x6f, 0x6d, 0x00 };
const uint8_t wiredata_dname2[] = {
// first name: dn.example.com.
0x02, 0x64, 0x6e, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03,
0x63, 0x6f, 0x6d, 0x00,
// second name: dn2.example.com. The "example.com" shouldn't be compressed
// because DNAME is not a well know type per RFC3597.
0x03, 0x64, 0x6e, 0x32,
0x07, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03,
0x63, 0x6f, 0x6d, 0x00 };
TEST_F(Rdata_DNAME_Test, createFromText) {
EXPECT_EQ(0, rdata_dname.compare(generic::DNAME("dn.example.com.")));
// explicitly add a trailing dot. should be the same RDATA.
EXPECT_EQ(0, rdata_dname.compare(generic::DNAME("dn.example.com.")));
// should be case sensitive.
EXPECT_EQ(0, rdata_dname.compare(generic::DNAME("DN.EXAMPLE.COM.")));
// RDATA of a class-independent type should be recognized for any
// "unknown" class.
EXPECT_EQ(0, rdata_dname.compare(*createRdata(RRType("DNAME"),
RRClass(65000),
"dn.example.com.")));
}
TEST_F(Rdata_DNAME_Test, badText) {
// Extra text at end of line
EXPECT_THROW(generic::DNAME("dname.example.com. extra."), InvalidRdataText);
}
TEST_F(Rdata_DNAME_Test, createFromWire) {
EXPECT_EQ(0, rdata_dname.compare(
*rdataFactoryFromFile(RRType("DNAME"), RRClass("IN"),
"rdata_dname_fromWire")));
// RDLENGTH is too short
EXPECT_THROW(rdataFactoryFromFile(RRType("DNAME"), RRClass("IN"),
"rdata_dname_fromWire", 18),
InvalidRdataLength);
// RDLENGTH is too long
EXPECT_THROW(rdataFactoryFromFile(RRType("DNAME"), RRClass("IN"),
"rdata_dname_fromWire", 36),
InvalidRdataLength);
// incomplete name. the error should be detected in the name constructor
EXPECT_THROW(rdataFactoryFromFile(RRType("DNAME"), RRClass("IN"),
"rdata_dname_fromWire", 71),
DNSMessageFORMERR);
EXPECT_EQ(0, generic::DNAME("dn2.example.com.").compare(
*rdataFactoryFromFile(RRType("DNAME"), RRClass("IN"),
"rdata_dname_fromWire", 55)));
EXPECT_THROW(*rdataFactoryFromFile(RRType("DNAME"), RRClass("IN"),
"rdata_dname_fromWire", 63),
InvalidRdataLength);
}
TEST_F(Rdata_DNAME_Test, createFromLexer) {
EXPECT_EQ(0, rdata_dname.compare(
*test::createRdataUsingLexer(RRType::DNAME(), RRClass::IN(),
"dn.example.com.")));
// test::createRdataUsingLexer() constructs relative to
// "example.org." origin.
EXPECT_EQ(0, generic::DNAME("dname8.example.org.").compare(
*test::createRdataUsingLexer(RRType::DNAME(), RRClass::IN(),
"dname8")));
// Extra text at end of line
EXPECT_FALSE(test::createRdataUsingLexer(RRType::DNAME(), RRClass::IN(),
"dname.example.com. extra."));
}
TEST_F(Rdata_DNAME_Test, toWireBuffer) {
rdata_dname.toWire(obuffer);
matchWireData(wiredata_dname, sizeof(wiredata_dname),
obuffer.getData(), obuffer.getLength());
}
TEST_F(Rdata_DNAME_Test, toWireRenderer) {
rdata_dname.toWire(renderer);
matchWireData(wiredata_dname, sizeof(wiredata_dname),
renderer.getData(), renderer.getLength());
rdata_dname2.toWire(renderer);
matchWireData(wiredata_dname2, sizeof(wiredata_dname2),
renderer.getData(), renderer.getLength());
}
TEST_F(Rdata_DNAME_Test, toText) {
EXPECT_EQ("dn.example.com.", rdata_dname.toText());
}
TEST_F(Rdata_DNAME_Test, getDname) {
EXPECT_EQ(Name("dn.example.com."), rdata_dname.getDname());
}
}
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