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// Copyright (C) 2011-2013 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.
#include <string>
#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>
using isc::UnitTestUtil;
using namespace std;
using namespace isc::util;
using namespace isc::dns;
using namespace isc::dns::rdata;
namespace {
class Rdata_MINFO_Test : public RdataTest {
protected:
Rdata_MINFO_Test():
minfo_txt("rmailbox.example.com. emailbox.example.com."),
minfo_txt2("root.example.com. emailbox.example.com."),
too_long_label("01234567890123456789012345678901234567"
"89012345678901234567890123."),
rdata_minfo(minfo_txt),
rdata_minfo2(minfo_txt2)
{}
void checkFromText_None(const string& rdata_str) {
checkFromText<generic::MINFO, isc::Exception, isc::Exception>(
rdata_str, rdata_minfo, false, false);
}
void checkFromText_LexerError(const string& rdata_str) {
checkFromText
<generic::MINFO, InvalidRdataText, MasterLexer::LexerError>(
rdata_str, rdata_minfo, true, true);
}
void checkFromText_TooLongLabel(const string& rdata_str) {
checkFromText<generic::MINFO, TooLongLabel, TooLongLabel>(
rdata_str, rdata_minfo, true, true);
}
void checkFromText_BadString(const string& rdata_str) {
checkFromText<generic::MINFO, InvalidRdataText, isc::Exception>(
rdata_str, rdata_minfo, true, false);
}
void checkFromText_EmptyLabel(const string& rdata_str) {
checkFromText<generic::MINFO, EmptyLabel, EmptyLabel>(
rdata_str, rdata_minfo, true, true);
}
void checkFromText_MissingOrigin(const string& rdata_str) {
checkFromText
<generic::MINFO, MissingNameOrigin, MissingNameOrigin>(
rdata_str, rdata_minfo, true, true);
}
void checkFromText_Origin(const string& rdata_str, const Name* origin) {
checkFromText<generic::MINFO, MissingNameOrigin, isc::Exception>(
rdata_str, rdata_minfo, true, false, origin);
}
const string minfo_txt;
const string minfo_txt2;
const string too_long_label;
const generic::MINFO rdata_minfo;
const generic::MINFO rdata_minfo2;
};
TEST_F(Rdata_MINFO_Test, createFromText) {
EXPECT_EQ(Name("rmailbox.example.com."), rdata_minfo.getRmailbox());
EXPECT_EQ(Name("emailbox.example.com."), rdata_minfo.getEmailbox());
EXPECT_EQ(Name("root.example.com."), rdata_minfo2.getRmailbox());
EXPECT_EQ(Name("emailbox.example.com."), rdata_minfo2.getEmailbox());
checkFromText_None(minfo_txt);
// origin defined for lexer constructor, but not string constructor
const Name origin("example.com");
checkFromText_Origin("rmailbox emailbox", &origin);
// lexer constructor accepts extra text, but string constructor doesn't
checkFromText_BadString("rmailbox.example.com. emailbox.example.com. "
"extra.example.com.");
}
TEST_F(Rdata_MINFO_Test, badText) {
// too long names
checkFromText_TooLongLabel("root.example.com." + too_long_label +
" emailbox.example.com.");
checkFromText_TooLongLabel("root.example.com. emailbox.example.com." +
too_long_label);
// invalid names
checkFromText_EmptyLabel("root..example.com. emailbox.example.com.");
checkFromText_EmptyLabel("root.example.com. emailbox..example.com.");
// missing name
checkFromText_LexerError("root.example.com.");
// missing origin
checkFromText_MissingOrigin("root.example.com emailbox.example.com.");
checkFromText_MissingOrigin("root.example.com. emailbox.example.com");
}
TEST_F(Rdata_MINFO_Test, createFromWire) {
// uncompressed names
EXPECT_EQ(0, rdata_minfo.compare(
*rdataFactoryFromFile(RRType::MINFO(), RRClass::IN(),
"rdata_minfo_fromWire1.wire")));
// compressed names
EXPECT_EQ(0, rdata_minfo.compare(
*rdataFactoryFromFile(RRType::MINFO(), RRClass::IN(),
"rdata_minfo_fromWire2.wire", 15)));
// RDLENGTH is too short
EXPECT_THROW(rdataFactoryFromFile(RRType::MINFO(), RRClass::IN(),
"rdata_minfo_fromWire3.wire"),
InvalidRdataLength);
// RDLENGTH is too long
EXPECT_THROW(rdataFactoryFromFile(RRType::MINFO(), RRClass::IN(),
"rdata_minfo_fromWire4.wire"),
InvalidRdataLength);
// bogus rmailbox name, the error should be detected in the name
// constructor
EXPECT_THROW(rdataFactoryFromFile(RRType::MINFO(), RRClass::IN(),
"rdata_minfo_fromWire5.wire"),
DNSMessageFORMERR);
// bogus emailbox name, the error should be detected in the name
// constructor
EXPECT_THROW(rdataFactoryFromFile(RRType::MINFO(), RRClass::IN(),
"rdata_minfo_fromWire6.wire"),
DNSMessageFORMERR);
}
TEST_F(Rdata_MINFO_Test, assignment) {
generic::MINFO copy((string(minfo_txt2)));
copy = rdata_minfo;
EXPECT_EQ(0, copy.compare(rdata_minfo));
// Check if the copied data is valid even after the original is deleted
generic::MINFO* copy2 = new generic::MINFO(rdata_minfo);
generic::MINFO copy3((string(minfo_txt2)));
copy3 = *copy2;
delete copy2;
EXPECT_EQ(0, copy3.compare(rdata_minfo));
// Self assignment
copy = copy;
EXPECT_EQ(0, copy.compare(rdata_minfo));
}
TEST_F(Rdata_MINFO_Test, toWireBuffer) {
rdata_minfo.toWire(obuffer);
vector<unsigned char> data;
UnitTestUtil::readWireData("rdata_minfo_toWireUncompressed1.wire", data);
EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData,
static_cast<const uint8_t *>(obuffer.getData()),
obuffer.getLength(), &data[0], data.size());
obuffer.clear();
rdata_minfo2.toWire(obuffer);
vector<unsigned char> data2;
UnitTestUtil::readWireData("rdata_minfo_toWireUncompressed2.wire", data2);
EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData,
static_cast<const uint8_t *>(obuffer.getData()),
obuffer.getLength(), &data2[0], data2.size());
}
TEST_F(Rdata_MINFO_Test, toWireRenderer) {
rdata_minfo.toWire(renderer);
vector<unsigned char> data;
UnitTestUtil::readWireData("rdata_minfo_toWire1.wire", data);
EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData,
static_cast<const uint8_t *>(renderer.getData()),
renderer.getLength(), &data[0], data.size());
renderer.clear();
rdata_minfo2.toWire(renderer);
vector<unsigned char> data2;
UnitTestUtil::readWireData("rdata_minfo_toWire2.wire", data2);
EXPECT_PRED_FORMAT4(UnitTestUtil::matchWireData,
static_cast<const uint8_t *>(renderer.getData()),
renderer.getLength(), &data2[0], data2.size());
}
TEST_F(Rdata_MINFO_Test, toText) {
EXPECT_EQ(minfo_txt, rdata_minfo.toText());
EXPECT_EQ(minfo_txt2, rdata_minfo2.toText());
}
TEST_F(Rdata_MINFO_Test, compare) {
// check reflexivity
EXPECT_EQ(0, rdata_minfo.compare(rdata_minfo));
// names must be compared in case-insensitive manner
EXPECT_EQ(0, rdata_minfo.compare(generic::MINFO("RMAILBOX.example.com. "
"emailbox.EXAMPLE.com.")));
// another MINFO whose rmailbox name is larger than that of rdata_minfo.
const generic::MINFO large1_minfo("zzzzzzzz.example.com. "
"emailbox.example.com.");
EXPECT_GT(0, rdata_minfo.compare(large1_minfo));
EXPECT_LT(0, large1_minfo.compare(rdata_minfo));
// another MINFO whose emailbox name is larger than that of rdata_minfo.
const generic::MINFO large2_minfo("rmailbox.example.com. "
"zzzzzzzzzzz.example.com.");
EXPECT_GT(0, rdata_minfo.compare(large2_minfo));
EXPECT_LT(0, large2_minfo.compare(rdata_minfo));
// comparison attempt between incompatible RR types should be rejected
EXPECT_THROW(rdata_minfo.compare(*RdataTest::rdata_nomatch), bad_cast);
}
}
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