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// Copyright (C) 2011-2015 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 <config.h>
#include <dhcp/dhcp6.h>
#include <dhcp/option.h>
#include <dhcp/option_int.h>
#include <dhcp/option6_iaaddr.h>
#include <util/buffer.h>
#include <boost/scoped_ptr.hpp>
#include <gtest/gtest.h>
#include <iostream>
#include <sstream>
#include <arpa/inet.h>
using namespace std;
using namespace isc;
using namespace isc::asiolink;
using namespace isc::dhcp;
using namespace isc::util;
namespace {
class Option6IAAddrTest : public ::testing::Test {
public:
Option6IAAddrTest() : buf_(255), outBuf_(255) {
for (unsigned i = 0; i < 255; i++) {
buf_[i] = 255 - i;
}
}
OptionBuffer buf_;
OutputBuffer outBuf_;
};
TEST_F(Option6IAAddrTest, basic) {
for (int i = 0; i < 255; i++) {
buf_[i] = 0;
}
buf_[0] = 0x20;
buf_[1] = 0x01;
buf_[2] = 0x0d;
buf_[3] = 0xb8;
buf_[4] = 0x00;
buf_[5] = 0x01;
buf_[12] = 0xde;
buf_[13] = 0xad;
buf_[14] = 0xbe;
buf_[15] = 0xef; // 2001:db8:1::dead:beef
buf_[16] = 0x00;
buf_[17] = 0x00;
buf_[18] = 0x03;
buf_[19] = 0xe8; // 1000
buf_[20] = 0xb2;
buf_[21] = 0xd0;
buf_[22] = 0x5e;
buf_[23] = 0x00; // 3,000,000,000
// Create an option (unpack content)
boost::scoped_ptr<Option6IAAddr> opt(new Option6IAAddr(D6O_IAADDR,
buf_.begin(),
buf_.begin() + 24));
// Pack this option
opt->pack(outBuf_);
EXPECT_EQ(28, outBuf_.getLength());
EXPECT_EQ(Option::V6, opt->getUniverse());
// 4 bytes header + 4 bytes content
EXPECT_EQ("2001:db8:1::dead:beef", opt->getAddress().toText());
EXPECT_EQ(1000, opt->getPreferred());
EXPECT_EQ(3000000000U, opt->getValid());
EXPECT_EQ(D6O_IAADDR, opt->getType());
EXPECT_EQ(Option::OPTION6_HDR_LEN + Option6IAAddr::OPTION6_IAADDR_LEN,
opt->len());
// Check if pack worked properly:
const uint8_t* out = (const uint8_t*)outBuf_.getData();
// - if option type is correct
EXPECT_EQ(D6O_IAADDR, out[0]*256 + out[1]);
// - if option length is correct
EXPECT_EQ(24, out[2]*256 + out[3]);
// - if option content is correct
EXPECT_EQ(0, memcmp(out + 4, &buf_[0], 24));
EXPECT_NO_THROW(opt.reset());
}
/// @todo: Write test for (type, addr, pref, valid) constructor
/// See option6_iaprefix_unittest.cc for similar test
// Tests if broken usage causes exception to be thrown
TEST_F(Option6IAAddrTest, negative) {
// Too short. Minimum length is 24
EXPECT_THROW(Option6IAAddr(D6O_IAADDR, buf_.begin(), buf_.begin() + 23),
OutOfRange);
// This option is for IPv6 addresses only
EXPECT_THROW(Option6IAAddr(D6O_IAADDR, isc::asiolink::IOAddress("192.0.2.1"),
1000, 2000), BadValue);
}
// Tests that option can be converted to textual format.
TEST_F(Option6IAAddrTest, toText) {
// Create option without suboptions.
Option6IAAddr opt(D6O_IAADDR, IOAddress("2001:db8:1::1"), 300, 400);
EXPECT_EQ("type=00005(IAADDR), len=00024: address=2001:db8:1::1,"
" preferred-lft=300, valid-lft=400",
opt.toText());
// Add suboptions and make sure they are printed.
opt.addOption(OptionPtr(new OptionUint32(Option::V6, 123, 234)));
opt.addOption(OptionPtr(new OptionUint32(Option::V6, 222, 333)));
EXPECT_EQ("type=00005(IAADDR), len=00040: address=2001:db8:1::1,"
" preferred-lft=300, valid-lft=400,\noptions:\n"
" type=00123, len=00004: 234 (uint32)\n"
" type=00222, len=00004: 333 (uint32)",
opt.toText());
}
}
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