kea/src/lib/dns/cpp/tests/rdata_nsec_unittest.cc

// Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.

// $Id$

#include <string>

#include <dns/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 "unittest_util.h"
#include "rdata_unittest.h"

using isc::UnitTestUtil;
using namespace std;
using namespace isc::dns;
using namespace isc::dns::rdata;

namespace {
class Rdata_NSEC_Test : public RdataTest {
    // there's nothing to specialize
};

string nsec_txt("www2.isc.org. CNAME RRSIG NSEC");

TEST_F(Rdata_NSEC_Test, toText_NSEC)
{
    const generic::NSEC rdata_nsec(nsec_txt);
    EXPECT_EQ(nsec_txt, rdata_nsec.toText());
}

TEST_F(Rdata_NSEC_Test, badText_NSEC)
{
    EXPECT_THROW(generic::NSEC rdata_nsec("www.isc.org. BIFF POW SPOON"),
                 InvalidRRType);
    EXPECT_THROW(generic::NSEC rdata_nsec("www.isc.org."),
                 InvalidRRType);
}

TEST_F(Rdata_NSEC_Test, createFromWire_NSEC)
{
    const generic::NSEC rdata_nsec(nsec_txt);
    EXPECT_EQ(0, rdata_nsec.compare(
                  *rdataFactoryFromFile(RRType("NSEC"), RRClass("IN"),
                                        "testdata/rdata_nsec_fromWire1")));

    // Too short RDLENGTH
    EXPECT_THROW(rdataFactoryFromFile(RRType("NSEC"), RRClass("IN"),
                                      "testdata/rdata_nsec_fromWire2"),
                 InvalidRdataLength);
}

TEST_F(Rdata_NSEC_Test, toWireRenderer_NSEC)
{
    renderer.skip(2);
    const generic::NSEC rdata_nsec(nsec_txt);
    rdata_nsec.toWire(renderer);

    vector<unsigned char> data;
    UnitTestUtil::readWireData("testdata/rdata_nsec_fromWire1", data);
    EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData,
                        static_cast<const uint8_t *>(obuffer.getData()) + 2,
                        obuffer.getLength() - 2, &data[2], data.size() - 2);
}

TEST_F(Rdata_NSEC_Test, toWireBuffer_NSEC)
{
    const generic::NSEC rdata_nsec(nsec_txt);
    rdata_nsec.toWire(obuffer);
}

TEST_F(Rdata_NSEC_Test, assign)
{
    generic::NSEC rdata_nsec(nsec_txt);
    generic::NSEC rdata_nsec2 = rdata_nsec;
    EXPECT_EQ(0, rdata_nsec.compare(rdata_nsec2));
}

}