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Commit 50de7df4 authored by Marcin Siodelski's avatar Marcin Siodelski
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[master] Merge branch 'trac3246' 

Conflicts:
	src/bin/dhcp6/tests/Makefile.am
parents b8ce9d26 dc9a9575
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Showing with 341 additions and 55 deletions
src/bin/dhcp6/dhcp6_srv.cc
View file @ 50de7df4
......@@ -1365,16 +1365,16 @@ Dhcpv6Srv::assignIA_PD(const Subnet6Ptr& subnet, const DuidPtr& duid,
// Check if the client sent us a hint in his IA_PD. Clients may send an
// address in their IA_NA options as a suggestion (e.g. the last address
// they used before).
boost::shared_ptr<Option6IAPrefix> hintOpt =
boost::shared_ptr<Option6IAPrefix> hint_opt =
boost::dynamic_pointer_cast<Option6IAPrefix>(ia->getOption(D6O_IAPREFIX));
IOAddress hint("::");
if (hintOpt) {
hint = hintOpt->getAddress();
if (hint_opt) {
hint = hint_opt->getAddress();
}
LOG_DEBUG(dhcp6_logger, DBG_DHCP6_DETAIL, DHCP6_PROCESS_IA_PD_REQUEST)
.arg(duid ? duid->toText() : "(no-duid)").arg(ia->getIAID())
.arg(hintOpt ? hint.toText() : "(no hint)");
.arg(hint_opt ? hint.toText() : "(no hint)");
// "Fake" allocation is processing of SOLICIT message. We pretend to do an
// allocation, but we do not put the lease in the database. That is ok,
......
src/bin/dhcp6/tests/Makefile.am
View file @ 50de7df4
......@@ -85,6 +85,7 @@ dhcp6_unittests_SOURCES += ctrl_dhcp6_srv_unittest.cc
dhcp6_unittests_SOURCES += wireshark.cc
dhcp6_unittests_SOURCES += dhcp6_client.cc dhcp6_client.h
dhcp6_unittests_SOURCES += rebind_unittest.cc
dhcp6_unittests_SOURCES += sarr_unittest.cc
dhcp6_unittests_SOURCES += ../json_config_parser.cc ../json_config_parser.h
dhcp6_unittests_SOURCES += config_parser_unittest.cc
......
src/bin/dhcp6/tests/dhcp6_client.cc
View file @ 50de7df4
......@@ -39,7 +39,8 @@ Dhcp6Client::Dhcp6Client() :
srv_(boost::shared_ptr<NakedDhcpv6Srv>(new NakedDhcpv6Srv(0))),
use_na_(false),
use_pd_(false),
use_relay_(false) {
use_relay_(false),
prefix_hint_() {
}
Dhcp6Client::Dhcp6Client(boost::shared_ptr<NakedDhcpv6Srv>& srv) :
......@@ -234,8 +235,11 @@ Dhcp6Client::doSolicit() {
1234)));
}
if (use_pd_) {
context_.query_->addOption(Option6IAPtr(new Option6IA(D6O_IA_PD,
5678)));
Option6IAPtr ia(new Option6IA(D6O_IA_PD, 5678));
if (prefix_hint_) {
ia->addOption(prefix_hint_);
}
context_.query_->addOption(ia);
}
sendMsg(context_.query_);
context_.response_ = receiveOneMsg();
......@@ -358,6 +362,14 @@ Dhcp6Client::sendMsg(const Pkt6Ptr& msg) {
srv_->run();
}
void
Dhcp6Client::useHint(const uint32_t pref_lft, const uint32_t valid_lft,
const uint8_t len, const std::string& prefix) {
prefix_hint_.reset(new Option6IAPrefix(D6O_IAPREFIX,
asiolink::IOAddress(prefix),
len, pref_lft, valid_lft));
}
} // end of namespace isc::dhcp::test
} // end of namespace isc::dhcp
......
src/bin/dhcp6/tests/dhcp6_client.h
View file @ 50de7df4
......@@ -26,7 +26,6 @@ namespace isc {
namespace dhcp {
namespace test {
/// @brief DHCPv6 client used for unit testing.
///
/// This class implements a DHCPv6 "client" which interoperates with the
......@@ -76,6 +75,11 @@ public:
/// Currently it simply contains the collection of leases acquired.
struct Configuration {
std::vector<LeaseInfo> leases_;
/// @brief Clears configuration.
void clear() {
leases_.clear();
}
};
/// @brief Holds the DHCPv6 messages taking part in transaction between
......@@ -175,6 +179,13 @@ public:
/// @todo Perform sanity checks on returned messages.
void doRequest();
/// @brief Removes the stateful configuration obtained from the server.
///
/// It removes all leases held by the client.
void clearConfig() {
config_.clear();
}
/// @brief Simulates aging of leases by the specified number of seconds.
///
/// This function moves back the time of acquired leases by the specified
......@@ -250,6 +261,15 @@ public:
dest_addr_ = dest_addr;
}
/// @brief Sets a prefix hint to be sent to a server.
///
/// @param pref_lft Preferred lifetime.
/// @param valid_lft Valid lifetime.
/// @param len Prefix length.
/// @param prefix Prefix for which the client has a preference.
void useHint(const uint32_t pref_lft, const uint32_t valid_lft,
const uint8_t len, const std::string& prefix);
/// @brief Place IA_NA options to request address assignment.
///
/// This function configures the client to place IA_NA options in its
......@@ -383,6 +403,9 @@ private:
bool use_na_; ///< Enable address assignment.
bool use_pd_; ///< Enable prefix delegation.
bool use_relay_; ///< Enable relaying messages to the server.
/// @brief Pointer to the option holding a prefix hint.
Option6IAPrefixPtr prefix_hint_;
};
} // end of namespace isc::dhcp::test
......
src/bin/dhcp6/tests/dhcp6_test_utils.cc
View file @ 50de7df4
......@@ -590,18 +590,22 @@ Dhcpv6SrvTest::testReleaseReject(Lease::Type type, const IOAddress& addr) {
void
Dhcpv6SrvTest::configure(const std::string& config) {
configure(config, srv_);
}
void
Dhcpv6SrvTest::configure(const std::string& config, NakedDhcpv6Srv& srv) {
ElementPtr json = data::Element::fromJSON(config);
ConstElementPtr status;
// Configure the server and make sure the config is accepted
EXPECT_NO_THROW(status = configureDhcp6Server(srv_, json));
EXPECT_NO_THROW(status = configureDhcp6Server(srv, json));
ASSERT_TRUE(status);
int rcode;
ConstElementPtr comment = config::parseAnswer(rcode, status);
ASSERT_EQ(0, rcode);
}
// Generate IA_NA option with specified parameters
boost::shared_ptr<Option6IA>
NakedDhcpv6SrvTest::generateIA(uint16_t type, uint32_t iaid, uint32_t t1,
......
src/bin/dhcp6/tests/dhcp6_test_utils.h
View file @ 50de7df4
......@@ -354,8 +354,13 @@ public:
/// @brief Runs DHCPv6 configuration from the JSON string.
///
/// @param config String holding server configuration in JSON format.
void
configure(const std::string& config);
void configure(const std::string& config);
/// @brief Configure the DHCPv6 server using the JSON string.
///
/// @param config String holding server configuration in JSON format.
/// @param srv Server to be configured.
void configure(const std::string& config, NakedDhcpv6Srv& srv);
/// @brief Checks that server response (ADVERTISE or REPLY) contains proper
/// IA_NA option
......
src/bin/dhcp6/tests/rebind_unittest.cc
View file @ 50de7df4
......@@ -208,12 +208,6 @@ public:
iface_mgr_test_config_(true) {
}
/// @brief Configure the DHCPv6 server using the JSON string.
///
/// @param config New configuration in JSON format.
/// @param srv Server to be configured.
void configure(const std::string& config, NakedDhcpv6Srv& srv);
/// @brief Make 4-way exchange to obtain a lease.
///
/// @param config_index Index of the configuration held in @c REBIND_CONFIGS
......@@ -229,19 +223,6 @@ public:
};
void
RebindTest::configure(const std::string& config, NakedDhcpv6Srv& srv) {
ElementPtr json = Element::fromJSON(config);
ConstElementPtr status;
// Configure the server and make sure the config is accepted
EXPECT_NO_THROW(status = configureDhcp6Server(srv, json));
ASSERT_TRUE(status);
int rcode;
ConstElementPtr comment = config::parseAnswer(rcode, status);
ASSERT_EQ(0, rcode);
}
void
RebindTest::requestLease(const int config_index, const int subnets_num,
Dhcp6Client& client) {
......
src/bin/dhcp6/tests/sarr_unittest.cc 0 → 100644
View file @ 50de7df4
// Copyright (C) 2014 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/tests/iface_mgr_test_config.h>
#include <dhcp6/tests/dhcp6_test_utils.h>
#include <dhcp6/tests/dhcp6_client.h>
using namespace isc;
using namespace isc::dhcp;
using namespace isc::dhcp::test;
using namespace isc::test;
namespace {
/// @brief Set of JSON configurations used by the SARR unit tests.
///
/// - Configuration 0:
/// - one subnet used on eth0 interface
/// - prefixes of length 64, delegated from the pool: 2001:db8:3::/48
const char* CONFIGS[] = {
// Configuration 0
"{ \"interfaces\": [ \"all\" ],"
"\"preferred-lifetime\": 3000,"
"\"rebind-timer\": 2000, "
"\"renew-timer\": 1000, "
"\"subnet6\": [ { "
" \"pd-pools\": ["
" { \"prefix\": \"2001:db8:3::\", "
" \"prefix-len\": 48, "
" \"delegated-len\": 64"
" } ],"
" \"subnet\": \"2001:db8::/32\", "
" \"interface-id\": \"\","
" \"interface\": \"eth0\""
" } ],"
"\"valid-lifetime\": 4000 }"
};
/// @brief Test fixture class for testing 4-way exchange: Solicit-Advertise,
/// Request-Reply.
class SARRTest : public Dhcpv6SrvTest {
public:
/// @brief Constructor.
///
/// Sets up fake interfaces.
SARRTest()
: Dhcpv6SrvTest(),
iface_mgr_test_config_(true) {
}
/// @brief Interface Manager's fake configuration control.
IfaceMgrTestConfig iface_mgr_test_config_;
};
/// Check that server processes correctly a prefix hint sent by the client.
/// This test checks that the server doesn't allocate colliding prefixes
/// as a result of receiving hints from two clients which set the
/// non-significant bytes of the prefix in their hints. The server should zero
/// the non-significant bytes of the hint and allocate the prefix of the
/// correct (configured) length.
TEST_F(SARRTest, directClientPrefixHint) {
Dhcp6Client client;
// Configure client to request IA_PD.
client.usePD();
configure(CONFIGS[0], *client.getServer());
// Make sure we ended-up having expected number of subnets configured.
const Subnet6Collection* subnets = CfgMgr::instance().getSubnets6();
ASSERT_EQ(1, subnets->size());
// Append IAPREFIX option to the client's message.
ASSERT_NO_THROW(client.useHint(100, 200, 64, "2001:db8:3:33::33"));
// Perform 4-way exchange.
ASSERT_NO_THROW(client.doSARR());
// Server should have assigned a prefix.
ASSERT_EQ(1, client.getLeaseNum());
Lease6 lease_client = client.getLease(0);
// The server should correctly deal with the least significant bytes
// of the hint being set. It should set them to zero and use the
// valid portion of the hint.
EXPECT_EQ("2001:db8:3:33::", lease_client.addr_.toText());
// Server ignores other parts of the IAPREFIX option.
EXPECT_EQ(64, lease_client.prefixlen_);
EXPECT_EQ(3000, lease_client.preferred_lft_);
EXPECT_EQ(4000, lease_client.valid_lft_);
Lease6Ptr lease_server = checkLease(lease_client);
// Check that the server recorded the lease.
ASSERT_TRUE(lease_server);
// Remove existing lease and modify the DUID of the client to simulate
// the case that different client is trying to get the prefix.
client.clearConfig();
client.modifyDUID();
// Use the hint with some least significant bytes set.
ASSERT_NO_THROW(client.useHint(100, 200, 64, "2001:db8:3:33::34"));
ASSERT_NO_THROW(client.doSARR());
// Server should assign a lease.
ASSERT_EQ(1, client.getLeaseNum());
lease_client = client.getLease(0);
// The hint collides with the existing lease, so the server should not
// assign for the second client.
EXPECT_NE("2001:db8:3:33::", lease_client.addr_.toText());
EXPECT_NE("2001:db8:3:33::34", lease_client.addr_.toText());
// Check that the assigned prefix belongs to the pool.
(*subnets)[0]->inPool(Lease::TYPE_PD, lease_client.addr_);
EXPECT_EQ(64, lease_client.prefixlen_);
EXPECT_EQ(3000, lease_client.preferred_lft_);
EXPECT_EQ(4000, lease_client.valid_lft_);
lease_server = checkLease(lease_client);
ASSERT_TRUE(lease_server);
}
} // end of anonymous namespace
src/lib/dhcp/option6_iaprefix.cc
View file @ 50de7df4
// Copyright (C) 2013 Internet Systems Consortium, Inc. ("ISC")
// Copyright (C) 2013-2014 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
......@@ -86,7 +86,9 @@ void Option6IAPrefix::unpack(OptionBuffer::const_iterator begin,
begin += sizeof(uint8_t);
// 16 bytes: IPv6 address
addr_ = IOAddress::fromBytes(AF_INET6, &(*begin));
OptionBuffer address_with_mask;
mask(begin, begin + V6ADDRESS_LEN, prefix_len_, address_with_mask);
addr_ = IOAddress::fromBytes(AF_INET6, &(*address_with_mask.begin()));
begin += V6ADDRESS_LEN;
// unpack encapsulated options (the only defined so far is PD_EXCLUDE)
......@@ -122,5 +124,30 @@ uint16_t Option6IAPrefix::len() {
return (length);
}
void
Option6IAPrefix::mask(OptionBuffer::const_iterator begin,
OptionBuffer::const_iterator end,
const uint8_t len,
OptionBuffer& output_address) {
output_address.resize(16, 0);
if (len >= 128) {
std::copy(begin, end, output_address.begin());
} else if (len > 0) {
// All the bits that represent whole octets of the prefix are copied with
// no change.
std::copy(begin, begin + static_cast<uint8_t>(len/8), output_address.begin());
// The remaining significant bits of the last octet have to be left unchanged,
// but the remaining bits of this octet must be set to zero. The number of
// significant bits is calculated as a reminder from the devision of the
// prefix length by 8 (by size of the octet). The number of bits to be set
// to zero is therefore calculated as: 8 - (len % 8).
// Next, the mask is created by shifting the 0xFF by the number of bits
// to be set to 0. By performing logical AND of this mask with the original
// value of the last octet we get the final value for the new octet.
output_address[len/8] = (*(begin + len/8) & (0xFF << (8 - (len % 8))));
}
}
} // end of namespace isc::dhcp
} // end of namespace isc
src/lib/dhcp/option6_iaprefix.h
View file @ 50de7df4
// Copyright (C) 2013 Internet Systems Consortium, Inc. ("ISC")
// Copyright (C) 2013-2014 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
......@@ -33,9 +33,29 @@ namespace dhcp {
/// a prefix length) 2 methods are used: getAddress() and getLength(). Although
/// using getAddress() to obtain base prefix is somewhat counter-intuitive at
/// first, it becomes obvious when one realizes that an address is a special
/// case of a prefix with /128. It makes everyone's like much easier, because
/// case of a prefix with /128. It makes everyone's life much easier, because
/// the base prefix doubles as a regular address in many cases, e.g. when
/// searching for a lease.
///
/// When searching for a prefix in the database or simply comparing two prefixes
/// for equality, it is important that only the significant parts of the
/// prefixes are compared. It is possible that the client or a server sends a
/// prefix which has non-significant bits (beyond prefix length) set. The
/// server or client receiving such a prefix should be liberal and not discard
/// this prefix. It should rather ignore the non-significant bits. Therefore
/// the unpack() function, which parses the prefix from the wire, always sets
/// the non-significant bits to 0 so as two prefixes received on the wire can
/// be compared without additional processing.
///
/// @todo Currently, the constructor which creates the option from the textual
/// format doesn't set non-significant bits to 0. This is because it is assumed
/// that the prefixes from the string are created locally (not received over the
/// wire) and should be validated before the option is created. If we wanted
/// to set non-significant bits to 0 when the prefix is created from the textual
/// format it would have some peformance implications, because the option would
/// need to be turned into wire format, appropriate bits set to 0 and then
/// option would need to be created again from the wire format. We may consider
/// doing it if we find a use case where it is required.
class Option6IAPrefix : public Option6IAAddr {
public:
......@@ -74,6 +94,11 @@ public:
/// @brief Parses received buffer.
///
/// This function calls the @c Option6IAPrefix::mask function to set the
/// non-significant bits of the prefix (bits beyond the length of the
/// prefix) to zero. See the @c Option6IAPrefix class documentation for
/// details why it is done.
///
/// @throw OutOfRange when buffer is shorter than 25 bytes
///
/// @param begin iterator to first byte of option data
......@@ -100,7 +125,21 @@ public:
/// returns data length (data length + DHCPv4/DHCPv6 option header)
virtual uint16_t len();
protected:
private:
/// @brief Apply mask of the specific length to the IPv6 address.
///
/// @param begin Iterator pointing to the buffer holding IPv6 address.
/// @param end Iterator pointing to the end of the buffer holding IPv6
/// address.
/// @param len Length of the mask to be applied.
/// @param [out] output_address Reference to the buffer where the address
/// with a mask applied is output.
void mask(OptionBuffer::const_iterator begin,
OptionBuffer::const_iterator end,
const uint8_t len,
OptionBuffer& output_address);
uint8_t prefix_len_;
};
......
src/lib/dhcp/tests/option6_iaprefix_unittest.cc
View file @ 50de7df4
// Copyright (C) 2011-2013 Internet Systems Consortium, Inc. ("ISC")
// Copyright (C) 2011-2014 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
......@@ -36,7 +36,7 @@ using namespace isc::asiolink;
namespace {
class Option6IAPrefixTest : public ::testing::Test {
public:
Option6IAPrefixTest() : buf_(255), outBuf_(255) {
Option6IAPrefixTest() : buf_(255), out_buf_(255) {
for (int i = 0; i < 255; i++) {
buf_[i] = 255 - i;
}
......@@ -45,7 +45,7 @@ public:
/// @brief creates on-wire representation of IAPREFIX option
///
/// buf_ field is set up to have IAPREFIX with preferred=1000,
/// valid=3000000000 and prefix beign 2001:db8:1::dead:beef/77
/// valid=3000000000 and prefix being 2001:db8:1:0:afaf:0:dead:beef/77
void setExampleBuffer() {
for (int i = 0; i < 255; i++) {
buf_[i] = 0;
......@@ -69,10 +69,12 @@ public:
buf_[12] = 0xb8;
buf_[13] = 0x00;
buf_[14] = 0x01;
buf_[17] = 0xaf;
buf_[18] = 0xaf;
buf_[21] = 0xde;
buf_[22] = 0xad;
buf_[23] = 0xbe;
buf_[24] = 0xef; // 2001:db8:1::dead:beef
buf_[24] = 0xef; // 2001:db8:1:0:afaf:0:dead:beef
}
......@@ -82,15 +84,22 @@ public:
///
/// @param opt IAPREFIX option being tested
/// @param expected_type expected option type
void checkOption(Option6IAPrefix& opt, uint16_t expected_type) {
/// @param expected_length Expected length of the prefix.
/// @param expected_address Expected prefix value in the textual format.
void checkOption(Option6IAPrefix& opt, const uint16_t expected_type,
const uint8_t expected_length,
const std::string& expected_address) {
// Check if all fields have expected values
EXPECT_EQ(Option::V6, opt.getUniverse());
EXPECT_EQ(expected_type, opt.getType());
EXPECT_EQ("2001:db8:1::dead:beef", opt.getAddress().toText());
EXPECT_EQ(expected_address, opt.getAddress().toText());
EXPECT_EQ(1000, opt.getPreferred());
EXPECT_EQ(3000000000U, opt.getValid());
EXPECT_EQ(77, opt.getLength());
// uint8_t is often represented as a character type (char). Convert it
// to integer so as it is logged as a numeric value instead.
EXPECT_EQ(static_cast<int>(expected_length),
static_cast<int>(opt.getLength()));
// 4 bytes header + 25 bytes content
EXPECT_EQ(Option::OPTION6_HDR_LEN + Option6IAPrefix::OPTION6_IAPREFIX_LEN,
......@@ -105,7 +114,7 @@ public:
/// @param expected_type expected option type
void checkOutputBuffer(uint16_t expected_type) {
// Check if pack worked properly:
const uint8_t* out = (const uint8_t*)outBuf_.getData();
const uint8_t* out = static_cast<const uint8_t*>(out_buf_.getData());
// - if option type is correct
EXPECT_EQ(expected_type, out[0]*256 + out[1]);
......@@ -118,11 +127,12 @@ public:
}
OptionBuffer buf_;
OutputBuffer outBuf_;
OutputBuffer out_buf_;
};
// Tests if receiving option can be parsed correctly
TEST_F(Option6IAPrefixTest, basic) {
// Tests if a received option is parsed correctly. For the prefix length between
// 0 and 128 the non-significant bits should be set to 0.
TEST_F(Option6IAPrefixTest, parseShort) {
setExampleBuffer();
......@@ -133,17 +143,75 @@ TEST_F(Option6IAPrefixTest, basic) {
ASSERT_TRUE(opt);
// Pack this option
opt->pack(outBuf_);
EXPECT_EQ(29, outBuf_.getLength());
opt->pack(out_buf_);
EXPECT_EQ(29, out_buf_.getLength());
checkOption(*opt, D6O_IAPREFIX);
// The non-significant bits (above 77) of the received prefix should be
// set to zero.
checkOption(*opt, D6O_IAPREFIX, 77, "2001:db8:1:0:afa8::");
// Set non-significant bits in the reference buffer to 0, so as the buffer
// can be directly compared with the option buffer.
buf_[18] = 0xa8;
buf_.insert(buf_.begin() + 19, 5, 0);
checkOutputBuffer(D6O_IAPREFIX);
// Check that option can be disposed safely
EXPECT_NO_THROW(opt.reset());
}
// Tests if a received option holding prefix of 128 bits is parsed correctly.
TEST_F(Option6IAPrefixTest, parseLong) {
setExampleBuffer();
// Set prefix length to the maximal value.
buf_[8] = 128;
// Create an option (unpack content)
boost::scoped_ptr<Option6IAPrefix> opt;
ASSERT_NO_THROW(opt.reset(new Option6IAPrefix(D6O_IAPREFIX, buf_.begin(),
buf_.begin() + 25)));
ASSERT_TRUE(opt);
// Pack this option
opt->pack(out_buf_);
EXPECT_EQ(29, out_buf_.getLength());
checkOption(*opt, D6O_IAPREFIX, 128, "2001:db8:1:0:afaf:0:dead:beef");
checkOutputBuffer(D6O_IAPREFIX);
// Check that option can be disposed safely
EXPECT_NO_THROW(opt.reset());
}
// Check that the prefix having length of zero is represented as a "::".
TEST_F(Option6IAPrefixTest, parseZero) {
setExampleBuffer();
// Set prefix length to 0.
buf_[8] = 0;
// Create an option (unpack content)
boost::scoped_ptr<Option6IAPrefix> opt;
ASSERT_NO_THROW(opt.reset(new Option6IAPrefix(D6O_IAPREFIX, buf_.begin(),
buf_.begin() + 25)));
ASSERT_TRUE(opt);
// Pack this option
opt->pack(out_buf_);
EXPECT_EQ(29, out_buf_.getLength());
checkOption(*opt, D6O_IAPREFIX, 0, "::");
// Fill the address in the reference buffer with zeros.
buf_.insert(buf_.begin() + 9, 16, 0);
checkOutputBuffer(D6O_IAPREFIX);
// Check that option can be disposed safely
EXPECT_NO_THROW(opt.reset());
}
// Checks whether a new option can be built correctly
TEST_F(Option6IAPrefixTest, build) {
......@@ -151,14 +219,15 @@ TEST_F(Option6IAPrefixTest, build) {
setExampleBuffer();
ASSERT_NO_THROW(opt.reset(new Option6IAPrefix(12345,
IOAddress("2001:d