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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_IN_AAAA_Test : public RdataTest {
protected:
Rdata_IN_AAAA_Test() : rdata_in_aaaa("2001:db8::1234") {}
// Common check to see the result of in::A Rdata construction either from
// std::string or with MasterLexer object. If it's expected to succeed
// the result should be identical to the commonly used test data
// (rdata_in_a); otherwise it should result in the exception specified as
// the template parameter.
void checkFromTextIN_AAAA(const string& in_aaaa_txt,
bool throw_str_version = true,
bool throw_lexer_version = true)
{
checkFromText<in::AAAA, InvalidRdataText, InvalidRdataText>(
in_aaaa_txt, rdata_in_aaaa, throw_str_version,
throw_lexer_version);
}
const in::AAAA rdata_in_aaaa;
};
const uint8_t wiredata_in_aaaa[] = {
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x12, 0x34 };
TEST_F(Rdata_IN_AAAA_Test, createFromText) {
// Normal case: no exception for either case, so the exception type
// doesn't matter.
checkFromText<in::AAAA, isc::Exception, isc::Exception>(
"2001:db8::1234", rdata_in_aaaa, false, false);
// should reject an IP4 address.
checkFromTextIN_AAAA("192.0.2.1");
// or any meaningless text as an IPv6 address
checkFromTextIN_AAAA("xxx");
// trailing white space: only string version throws
checkFromTextIN_AAAA("2001:db8::1234 ", true, false);
// same for beginning white space.
checkFromTextIN_AAAA(" 2001:db8::1234", true, false);
// same for trailing non-space garbage (note that lexer version still
// ignore it; it's expected to be detected at a higher layer).
checkFromTextIN_AAAA("2001:db8::1234 xxx", true, false);
// nul character after a valid textual representation.
string nul_after_addr = "2001:db8::1234";
nul_after_addr.push_back(0);
checkFromTextIN_AAAA(nul_after_addr, true, true);
// a valid address surrounded by parentheses; only okay with lexer
checkFromTextIN_AAAA("(2001:db8::1234)", true, false);
// input that would cause lexer-specific error; it's bad text as an
// address so should result in the string version, too.
checkFromText<in::AAAA, InvalidRdataText, MasterLexer::LexerError>(
")2001:db8::1234", rdata_in_aaaa);
}
TEST_F(Rdata_IN_AAAA_Test, createFromWire) {
// Valid data
EXPECT_EQ(0, rdata_in_aaaa.compare(
*rdataFactoryFromFile(RRType::AAAA(), RRClass::IN(),
"rdata_in_aaaa_fromWire")));
// RDLENGTH is too short
EXPECT_THROW(rdataFactoryFromFile(RRType::AAAA(), RRClass::IN(),
"rdata_in_aaaa_fromWire", 18),
DNSMessageFORMERR);
// RDLENGTH is too long
EXPECT_THROW(rdataFactoryFromFile(RRType::AAAA(), RRClass::IN(),
"rdata_in_aaaa_fromWire", 36),
DNSMessageFORMERR);
// buffer too short.
EXPECT_THROW(rdataFactoryFromFile(RRType::AAAA(), RRClass::IN(),
"rdata_in_aaaa_fromWire", 55),
DNSMessageFORMERR);
}
TEST_F(Rdata_IN_AAAA_Test, createFromLexer) {
EXPECT_EQ(0, rdata_in_aaaa.compare(
*test::createRdataUsingLexer(RRType::AAAA(), RRClass::IN(),
"2001:db8::1234")));
}
TEST_F(Rdata_IN_AAAA_Test, toWireBuffer) {
rdata_in_aaaa.toWire(obuffer);
matchWireData(wiredata_in_aaaa, sizeof (wiredata_in_aaaa),
obuffer.getData(), obuffer.getLength());
}
TEST_F(Rdata_IN_AAAA_Test, toWireRenderer) {
rdata_in_aaaa.toWire(renderer);
matchWireData(wiredata_in_aaaa, sizeof (wiredata_in_aaaa),
renderer.getData(), renderer.getLength());
}
TEST_F(Rdata_IN_AAAA_Test, toText) {
EXPECT_EQ("2001:db8::1234", rdata_in_aaaa.toText());
}
TEST_F(Rdata_IN_AAAA_Test, compare) {
in::AAAA small1("::1");
in::AAAA small2("1:2:3:4:5:6:7:8");
in::AAAA large1("ffff::");
in::AAAA large2("8:7:6:5:4:3:2:1");
// trivial case: self equivalence
// cppcheck-suppress uselessCallsCompare
EXPECT_EQ(0, small1.compare(small1));
// confirm these are compared as unsigned values
EXPECT_GT(0, small1.compare(large1));
EXPECT_LT(0, large1.compare(small1));
// confirm these are compared in network byte order
EXPECT_GT(0, small2.compare(large2));
EXPECT_LT(0, large2.compare(small2));
// comparison attempt between incompatible RR types should be rejected
EXPECT_THROW(rdata_in_aaaa.compare(*RdataTest::rdata_nomatch), bad_cast);
}
}
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