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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/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_MX_Test : public RdataTest {
public:
Rdata_MX_Test() :
rdata_mx(10, Name("mx.example.com"))
{}
const generic::MX rdata_mx;
};
TEST_F(Rdata_MX_Test, createFromText) {
const generic::MX rdata_mx2("10 mx.example.com.");
EXPECT_EQ(0, rdata_mx2.compare(rdata_mx));
}
TEST_F(Rdata_MX_Test, badText) {
EXPECT_THROW(const generic::MX rdata_mx("99999999 mx."), InvalidRdataText);
EXPECT_THROW(const generic::MX rdata_mx("10"), InvalidRdataText);
EXPECT_THROW(const generic::MX rdata_mx("SPOON"), InvalidRdataText);
EXPECT_THROW(const generic::MX rdata_mx("10 mx. example.com."),
InvalidRdataText);
// No origin and relative
EXPECT_THROW(const generic::MX rdata_mx("10 mx.example.com"),
MissingNameOrigin);
// Extra text at end of line
EXPECT_THROW(const generic::MX rdata_mx("10 mx.example.com. extra."),
InvalidRdataText);
}
TEST_F(Rdata_MX_Test, copy) {
const generic::MX rdata_mx2(rdata_mx);
EXPECT_EQ(0, rdata_mx.compare(rdata_mx2));
}
TEST_F(Rdata_MX_Test, createFromWire) {
EXPECT_EQ(0, rdata_mx.compare(
*rdataFactoryFromFile(RRType("MX"), RRClass("IN"),
"rdata_mx_fromWire")));
// TBD: more tests
}
TEST_F(Rdata_MX_Test, createFromLexer) {
EXPECT_EQ(0, rdata_mx.compare(
*test::createRdataUsingLexer(RRType::MX(), RRClass::IN(),
"10 mx.example.com.")));
// test::createRdataUsingLexer() constructs relative to
// "example.org." origin.
EXPECT_EQ(0, generic::MX("10 mx2.example.org.").compare(
*test::createRdataUsingLexer(RRType::MX(), RRClass::IN(),
"10 mx2")));
// Exceptions cause NULL to be returned.
EXPECT_FALSE(test::createRdataUsingLexer(RRType::MX(), RRClass::IN(),
"10 mx. example.com."));
// 65536 is larger than maximum possible preference
EXPECT_FALSE(test::createRdataUsingLexer(RRType::MX(), RRClass::IN(),
"65536 mx.example.com."));
// Extra text at end of line
EXPECT_FALSE(test::createRdataUsingLexer(RRType::MX(), RRClass::IN(),
"10 mx.example.com. extra."));
}
TEST_F(Rdata_MX_Test, toWireRenderer) {
renderer.writeName(Name("example.com"));
rdata_mx.toWire(renderer);
vector<unsigned char> data;
UnitTestUtil::readWireData("rdata_mx_toWire1", data);
matchWireData(&data[0], data.size(),
renderer.getData(), renderer.getLength());
}
TEST_F(Rdata_MX_Test, toWireBuffer) {
Name("example.com").toWire(obuffer);
rdata_mx.toWire(obuffer);
vector<unsigned char> data;
UnitTestUtil::readWireData("rdata_mx_toWire2", data);
matchWireData(&data[0], data.size(),
obuffer.getData(), obuffer.getLength());
}
TEST_F(Rdata_MX_Test, toText) {
EXPECT_EQ("10 mx.example.com.", rdata_mx.toText());
}
TEST_F(Rdata_MX_Test, getMXName) {
EXPECT_EQ(Name("mx.example.com."), rdata_mx.getMXName());
}
TEST_F(Rdata_MX_Test, getMXPref) {
EXPECT_EQ(10, rdata_mx.getMXPref());
}
TEST_F(Rdata_MX_Test, compare) {
generic::MX small1(1, Name("mx.example.com"));
generic::MX small2(10, Name("mx.example.com"));
generic::MX large1(65535, Name("mx.example.com"));
generic::MX large2(256, Name("mx.example.com"));
// 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_mx.compare(*rdata_nomatch), bad_cast);
}
}
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