blob: 2c759444d18380ab6679777c34401811fed058e1 [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2013-2022 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
* ndn-cxx library is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received copies of the GNU General Public License and GNU Lesser
* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
* <http://www.gnu.org/licenses/>.
*
* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
*/
#include "ndn-cxx/encoding/block.hpp"
#include "ndn-cxx/encoding/block-helpers.hpp"
#include "tests/boost-test.hpp"
#include <boost/asio/buffer.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/test/data/test_case.hpp>
#include <cstring>
#include <sstream>
namespace ndn {
namespace tests {
BOOST_AUTO_TEST_SUITE(Encoding)
BOOST_AUTO_TEST_SUITE(TestBlock)
BOOST_AUTO_TEST_SUITE(Construction)
static const uint8_t TEST_BUFFER[] = {
0x42, 0x01, 0xfa,
0x01, 0x01, 0xfb,
0xfe, 0xff, 0xff, 0xff, 0xff, 0x00, // bug #4726
};
BOOST_AUTO_TEST_CASE(Default)
{
Block b;
BOOST_CHECK_EQUAL(b.isValid(), false);
BOOST_CHECK_EQUAL(b.type(), tlv::Invalid);
BOOST_CHECK_EQUAL(b.hasValue(), false);
BOOST_CHECK_EQUAL(b.value_size(), 0);
BOOST_CHECK_EQUAL(b.value_bytes().empty(), true);
BOOST_CHECK(b.value() == nullptr);
BOOST_CHECK_THROW(b.begin(), Block::Error);
BOOST_CHECK_THROW(b.end(), Block::Error);
BOOST_CHECK_THROW(b.data(), Block::Error);
BOOST_CHECK_THROW(b.size(), Block::Error);
BOOST_CHECK_THROW(b.blockFromValue(), Block::Error);
}
BOOST_AUTO_TEST_CASE(FromEncodingBuffer)
{
EncodingBuffer encoder;
BOOST_CHECK_THROW(Block{encoder}, tlv::Error);
const uint8_t VALUE[] = {0x11, 0x12, 0x13, 0x14};
size_t length = encoder.prependBytes(VALUE);
encoder.prependVarNumber(length);
encoder.prependVarNumber(0xe0);
Block b = encoder.block();
BOOST_CHECK_EQUAL(b.type(), 0xe0);
BOOST_CHECK_EQUAL(b.value_size(), sizeof(VALUE));
BOOST_CHECK_EQUAL_COLLECTIONS(b.value_begin(), b.value_end(),
VALUE, VALUE + sizeof(VALUE));
b = Block(encoder);
BOOST_CHECK_EQUAL(b.type(), 0xe0);
BOOST_CHECK_EQUAL(b.value_size(), sizeof(VALUE));
BOOST_CHECK_EQUAL_COLLECTIONS(b.value_begin(), b.value_end(),
VALUE, VALUE + sizeof(VALUE));
}
BOOST_AUTO_TEST_CASE(FromBlock)
{
const uint8_t buf[] = {0x80, 0x06, 0x81, 0x01, 0x01, 0x82, 0x01, 0x01};
Block block(buf);
Block derivedBlock(block, block.begin(), block.end());
BOOST_CHECK_EQUAL(derivedBlock.data(), block.data()); // pointers should match
BOOST_CHECK_EQUAL(derivedBlock, block); // blocks should match
derivedBlock = Block(block, block.begin() + 2, block.begin() + 5);
BOOST_CHECK(derivedBlock.begin() == block.begin() + 2);
BOOST_CHECK_EQUAL(derivedBlock, Block(make_span(buf + 2, 3)));
Buffer otherBuffer(buf, sizeof(buf));
BOOST_CHECK_THROW(Block(block, otherBuffer.begin(), block.end()), std::invalid_argument);
BOOST_CHECK_THROW(Block(block, block.begin(), otherBuffer.end()), std::invalid_argument);
BOOST_CHECK_THROW(Block(block, otherBuffer.begin(), otherBuffer.end()), std::invalid_argument);
}
BOOST_AUTO_TEST_CASE(FromBlockCopyOnWriteModifyOriginal)
{
const uint8_t buf[] = {
0x05, 0x0b, 0x07, 0x03, 0x01, 0x02, 0x03, 0x0a, 0x04, 0x04, 0x05, 0x06, 0x07,
};
Block b1(buf);
Block b2(b1, b1.begin(), b1.end());
auto buf2 = b2.getBuffer();
b1.parse();
b1.remove(tlv::Name);
b1.encode();
b2.parse();
BOOST_TEST(b2 == buf, boost::test_tools::per_element());
BOOST_TEST(buf2 == b2.getBuffer()); // check pointers
}
BOOST_AUTO_TEST_CASE(FromBlockCopyOnWriteModifyCopy)
{
const uint8_t buf[] = {
0x05, 0x0b, 0x07, 0x03, 0x01, 0x02, 0x03, 0x0a, 0x04, 0x04, 0x05, 0x06, 0x07,
};
Block b1(buf);
auto buf1 = b1.getBuffer();
Block b2(b1, b1.begin(), b1.end());
b2.parse();
b2.remove(tlv::Name);
b2.encode();
b1.parse();
BOOST_TEST(b1 == buf, boost::test_tools::per_element());
BOOST_TEST(buf1 == b1.getBuffer()); // check pointers
}
BOOST_AUTO_TEST_CASE(FromType)
{
Block b1(4);
BOOST_CHECK_EQUAL(b1.isValid(), true);
BOOST_CHECK_EQUAL(b1.type(), 4);
BOOST_CHECK_EQUAL(b1.size(), 2); // 1-octet TLV-TYPE and 1-octet TLV-LENGTH
BOOST_CHECK_EQUAL(b1.hasValue(), false);
BOOST_CHECK_EQUAL(b1.value_size(), 0);
BOOST_CHECK_EQUAL(b1.value_bytes().empty(), true);
BOOST_CHECK(b1.value() == nullptr);
Block b2(258);
BOOST_CHECK_EQUAL(b2.isValid(), true);
BOOST_CHECK_EQUAL(b2.type(), 258);
BOOST_CHECK_EQUAL(b2.size(), 4); // 3-octet TLV-TYPE and 1-octet TLV-LENGTH
BOOST_CHECK_EQUAL(b2.hasValue(), false);
BOOST_CHECK_EQUAL(b2.value_size(), 0);
BOOST_CHECK_EQUAL(b2.value_bytes().empty(), true);
BOOST_CHECK(b2.value() == nullptr);
Block b3(tlv::Invalid);
BOOST_CHECK_EQUAL(b3.isValid(), false);
BOOST_CHECK_EQUAL(b3.type(), tlv::Invalid);
BOOST_CHECK_EXCEPTION(b3.size(), Block::Error, [] (const auto& e) {
return e.what() == "Cannot determine size of invalid block"s;
});
BOOST_CHECK_EQUAL(b3.hasValue(), false);
BOOST_CHECK_EQUAL(b3.value_size(), 0);
BOOST_CHECK_EQUAL(b3.value_bytes().empty(), true);
BOOST_CHECK(b3.value() == nullptr);
}
BOOST_AUTO_TEST_CASE(FromTypeAndBuffer)
{
const uint8_t VALUE[] = {0x11, 0x12, 0x13, 0x14};
auto bufferPtr = std::make_shared<Buffer>(VALUE, sizeof(VALUE));
Block b1(42, std::move(bufferPtr));
BOOST_CHECK_EQUAL(b1.isValid(), true);
BOOST_CHECK_EQUAL(b1.type(), 42);
BOOST_CHECK_EQUAL(b1.size(), 6);
BOOST_CHECK_EQUAL(b1.hasValue(), true);
BOOST_CHECK_EQUAL(b1.value_size(), sizeof(VALUE));
BOOST_CHECK_EQUAL(b1.value_bytes().size(), sizeof(VALUE));
BOOST_CHECK_EQUAL(b1.value_bytes().front(), 0x11);
BOOST_CHECK(b1.value() != nullptr);
// empty buffer as TLV-VALUE
Block b2(63, std::make_shared<Buffer>());
BOOST_CHECK_EQUAL(b2.isValid(), true);
BOOST_CHECK_EQUAL(b2.type(), 63);
BOOST_CHECK_EQUAL(b2.size(), 2);
BOOST_CHECK_EQUAL(b2.hasValue(), true);
BOOST_CHECK_EQUAL(b2.value_size(), 0);
BOOST_CHECK_EQUAL(b2.value_bytes().empty(), true);
BOOST_CHECK(b2.value() == nullptr);
}
BOOST_AUTO_TEST_CASE(FromTypeAndBlock)
{
const uint8_t buf[] = {0x80, 0x06, 0x81, 0x01, 0x01, 0x82, 0x01, 0x01};
Block nested(buf);
Block b(84, nested);
BOOST_CHECK_EQUAL(b.isValid(), true);
BOOST_CHECK_EQUAL(b.type(), 84);
BOOST_CHECK_EQUAL(b.size(), 10);
BOOST_CHECK_EQUAL(b.hasValue(), true);
BOOST_CHECK_EQUAL(b.value_size(), sizeof(buf));
BOOST_CHECK_EQUAL(b.value_bytes().size(), sizeof(buf));
BOOST_CHECK_EQUAL(b.value_bytes().front(), 0x80);
BOOST_CHECK(b.value() != nullptr);
}
BOOST_AUTO_TEST_CASE(FromStream)
{
std::stringstream stream;
stream.write(reinterpret_cast<const char*>(TEST_BUFFER), sizeof(TEST_BUFFER));
stream.seekg(0);
Block b = Block::fromStream(stream);
BOOST_CHECK_EQUAL(b.type(), 66);
BOOST_CHECK_EQUAL(b.size(), 3);
BOOST_CHECK_EQUAL(b.value_size(), 1);
BOOST_CHECK_EQUAL(b.value_bytes().size(), 1);
BOOST_CHECK_EQUAL(*b.data(), 0x42);
BOOST_CHECK_EQUAL(*b.value(), 0xfa);
BOOST_CHECK_EQUAL(b.value_bytes().front(), 0xfa);
b = Block::fromStream(stream);
BOOST_CHECK_EQUAL(b.type(), 1);
BOOST_CHECK_EQUAL(b.size(), 3);
BOOST_CHECK_EQUAL(b.value_size(), 1);
BOOST_CHECK_EQUAL(b.value_bytes().size(), 1);
BOOST_CHECK_EQUAL(*b.data(), 0x01);
BOOST_CHECK_EQUAL(*b.value(), 0xfb);
BOOST_CHECK_EQUAL(b.value_bytes().front(), 0xfb);
b = Block::fromStream(stream);
BOOST_CHECK_EQUAL(b.type(), 0xffffffff);
BOOST_CHECK_EQUAL(b.size(), 6);
BOOST_CHECK_EQUAL(b.value_size(), 0);
BOOST_CHECK_EQUAL(b.value_bytes().size(), 0);
BOOST_CHECK_EQUAL(*b.data(), 0xfe);
BOOST_CHECK(b.value() == nullptr);
BOOST_CHECK(stream.eof());
BOOST_CHECK_EXCEPTION(Block::fromStream(stream), tlv::Error, [] (const auto& e) {
return e.what() == "Empty buffer during TLV parsing"s;
});
}
BOOST_AUTO_TEST_CASE(FromStreamWhitespace) // Bug 2728
{
const uint8_t PACKET[] = {
0x06, 0x20, // Data
0x07, 0x11, // Name
0x08, 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f, // GenericNameComponent 'hello'
0x08, 0x01, 0x31, // GenericNameComponent '1'
0x08, 0x05, 0x77, 0x6f, 0x72, 0x6c, 0x64, // GenericNameComponent 'world'
0x14, 0x00, // MetaInfo empty
0x15, 0x00, // Content empty
0x16, 0x05, // SignatureInfo
0x1b, 0x01, 0x01, // SignatureType RSA
0x1c, 0x00, // KeyLocator empty
0x17, 0x00 // SignatureValue empty
};
// TLV-LENGTH of <Data> is 0x20 which happens to be ASCII whitespace
std::stringstream stream;
stream.write(reinterpret_cast<const char*>(PACKET), sizeof(PACKET));
stream.seekg(0);
Block b = Block::fromStream(stream);
BOOST_CHECK_EQUAL(b.type(), 6);
BOOST_CHECK_EQUAL(b.value_size(), 32);
b.parse();
BOOST_CHECK_EQUAL(b.elements_size(), 5);
}
BOOST_AUTO_TEST_CASE(FromStreamZeroLength)
{
const uint8_t BUFFER[] = {0x70, 0x00,
0x71, 0x03, 0x86, 0x11, 0x24,
0x72, 0x00};
std::stringstream stream;
stream.write(reinterpret_cast<const char*>(BUFFER), sizeof(BUFFER));
stream.seekg(0);
Block b1 = Block::fromStream(stream);
BOOST_CHECK_EQUAL(b1.type(), 0x70);
BOOST_CHECK_EQUAL(b1.value_size(), 0);
BOOST_CHECK_EQUAL(b1.value_bytes().size(), 0);
BOOST_CHECK(b1.value() == nullptr);
Block b2 = Block::fromStream(stream);
BOOST_CHECK_EQUAL(b2.type(), 0x71);
BOOST_CHECK_EQUAL(b2.value_size(), 3);
BOOST_CHECK_EQUAL(b2.value_bytes().size(), 3);
const uint8_t EXPECTED_VALUE2[] = {0x86, 0x11, 0x24};
BOOST_TEST(b2.value_bytes() == EXPECTED_VALUE2, boost::test_tools::per_element());
Block b3 = Block::fromStream(stream);
BOOST_CHECK_EQUAL(b3.type(), 0x72);
BOOST_CHECK_EQUAL(b3.value_size(), 0);
BOOST_CHECK_EQUAL(b3.value_bytes().size(), 0);
BOOST_CHECK(b3.value() == nullptr);
BOOST_CHECK_EXCEPTION(Block::fromStream(stream), tlv::Error, [] (const auto& e) {
return e.what() == "Empty buffer during TLV parsing"s;
});
}
BOOST_AUTO_TEST_CASE(FromStreamPacketTooLarge)
{
const uint8_t BUFFER[] = {0x07, 0xfe, 0x00, 0x01, 0x00, 0x00};
std::stringstream stream;
stream.write(reinterpret_cast<const char*>(BUFFER), sizeof(BUFFER));
for (int i = 0; i < 0x10000; ++i) {
stream.put('\0');
}
stream.seekg(0);
BOOST_CHECK_EXCEPTION(Block::fromStream(stream), tlv::Error, [] (const auto& e) {
return e.what() == "TLV-LENGTH from stream exceeds limit"s;
});
}
BOOST_AUTO_TEST_CASE(FromWireBuffer)
{
auto buffer = std::make_shared<Buffer>(TEST_BUFFER, sizeof(TEST_BUFFER));
bool isOk = false;
Block b;
std::tie(isOk, b) = Block::fromBuffer(buffer);
BOOST_CHECK(isOk);
BOOST_CHECK_EQUAL(b.type(), 66);
BOOST_CHECK_EQUAL(b.size(), 3);
BOOST_CHECK_EQUAL(b.value_size(), 1);
BOOST_CHECK_EQUAL(b.value_bytes().size(), 1);
BOOST_CHECK_EQUAL(*b.data(), 0x42);
BOOST_CHECK_EQUAL(*b.value(), 0xfa);
BOOST_CHECK_EQUAL(b.value_bytes().front(), 0xfa);
size_t offset = b.size();
std::tie(isOk, b) = Block::fromBuffer(buffer, offset);
BOOST_CHECK(isOk);
BOOST_CHECK_EQUAL(b.type(), 1);
BOOST_CHECK_EQUAL(b.size(), 3);
BOOST_CHECK_EQUAL(b.value_size(), 1);
BOOST_CHECK_EQUAL(b.value_bytes().size(), 1);
BOOST_CHECK_EQUAL(*b.data(), 0x01);
BOOST_CHECK_EQUAL(*b.value(), 0xfb);
BOOST_CHECK_EQUAL(b.value_bytes().front(), 0xfb);
offset += b.size();
std::tie(isOk, b) = Block::fromBuffer(buffer, offset);
BOOST_CHECK(isOk);
BOOST_CHECK_EQUAL(b.type(), 0xffffffff);
BOOST_CHECK_EQUAL(b.size(), 6);
BOOST_CHECK_EQUAL(b.value_size(), 0);
BOOST_CHECK_EQUAL(b.value_bytes().empty(), true);
BOOST_CHECK_EQUAL(*b.data(), 0xfe);
BOOST_CHECK(b.value() == nullptr);
}
BOOST_AUTO_TEST_CASE(FromRawBuffer)
{
bool isOk = false;
Block b;
std::tie(isOk, b) = Block::fromBuffer(TEST_BUFFER);
BOOST_CHECK(isOk);
BOOST_CHECK_EQUAL(b.type(), 66);
BOOST_CHECK_EQUAL(b.size(), 3);
BOOST_CHECK_EQUAL(b.value_size(), 1);
BOOST_CHECK_EQUAL(b.value_bytes().size(), 1);
BOOST_CHECK_EQUAL(*b.data(), 0x42);
BOOST_CHECK_EQUAL(*b.value(), 0xfa);
BOOST_CHECK_EQUAL(b.value_bytes().front(), 0xfa);
auto offset = b.size();
std::tie(isOk, b) = Block::fromBuffer(make_span(TEST_BUFFER).subspan(offset));
BOOST_CHECK(isOk);
BOOST_CHECK_EQUAL(b.type(), 1);
BOOST_CHECK_EQUAL(b.size(), 3);
BOOST_CHECK_EQUAL(b.value_size(), 1);
BOOST_CHECK_EQUAL(b.value_bytes().size(), 1);
BOOST_CHECK_EQUAL(*b.data(), 0x01);
BOOST_CHECK_EQUAL(*b.value(), 0xfb);
BOOST_CHECK_EQUAL(b.value_bytes().front(), 0xfb);
offset += b.size();
std::tie(isOk, b) = Block::fromBuffer(make_span(TEST_BUFFER).subspan(offset));
BOOST_CHECK(isOk);
BOOST_CHECK_EQUAL(b.type(), 0xffffffff);
BOOST_CHECK_EQUAL(b.size(), 6);
BOOST_CHECK_EQUAL(b.value_size(), 0);
BOOST_CHECK_EQUAL(b.value_bytes().empty(), true);
BOOST_CHECK_EQUAL(*b.data(), 0xfe);
BOOST_CHECK(b.value() == nullptr);
}
static const Buffer MalformedInputs[] = {
{0x00, 0x00}, // invalid TLV type (zero)
{0xff, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00}, // TLV type too large
{0x01, 0xff, 0x42, 0x42}, // bad TLV length
{0x01, 0x02, 0x03}, // truncated TLV value
};
BOOST_DATA_TEST_CASE(Malformed, MalformedInputs)
{
// constructor from span
BOOST_CHECK_THROW(Block{sample}, tlv::Error);
// fromStream()
std::stringstream stream;
stream.write(sample.template get<char>(), sample.size());
stream.seekg(0);
BOOST_CHECK_THROW(Block::fromStream(stream), tlv::Error);
// fromBuffer(), ConstBufferPtr overload
auto buf = std::make_shared<Buffer>(sample.begin(), sample.end());
bool isOk;
Block b;
std::tie(isOk, b) = Block::fromBuffer(buf);
BOOST_CHECK(!isOk);
BOOST_CHECK(!b.isValid());
// fromBuffer(), span overload
std::tie(isOk, b) = Block::fromBuffer(sample);
BOOST_CHECK(!isOk);
BOOST_CHECK(!b.isValid());
}
BOOST_AUTO_TEST_SUITE_END() // Construction
BOOST_AUTO_TEST_CASE(BlockFromValue)
{
Block b1(301);
BOOST_CHECK_EXCEPTION(b1.blockFromValue(), Block::Error, [] (const auto& e) {
return e.what() == "Cannot construct block from empty TLV-VALUE"s;
});
Block b2(302, std::make_shared<Buffer>());
BOOST_CHECK_EXCEPTION(b2.blockFromValue(), Block::Error, [] (const auto& e) {
return e.what() == "Cannot construct block from empty TLV-VALUE"s;
});
b1.encode();
Block b3(303, b1);
b3.encode();
Block nested = b3.blockFromValue();
BOOST_CHECK_EQUAL(nested.type(), 301);
BOOST_CHECK_EQUAL(nested.size(), 4);
BOOST_CHECK_EQUAL(nested.value_size(), 0);
BOOST_CHECK(nested == b1);
}
BOOST_AUTO_TEST_SUITE(SubElements)
BOOST_AUTO_TEST_CASE(Parse)
{
const uint8_t PACKET[] = {
0x06, 0x20, // Data
0x07, 0x11, // Name
0x08, 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f, // GenericNameComponent 'hello'
0x08, 0x01, 0x31, // GenericNameComponent '1'
0x08, 0x05, 0x77, 0x6f, 0x72, 0x6c, 0x64, // GenericNameComponent 'world'
0x14, 0x00, // MetaInfo empty
0x15, 0x00, // Content empty
0x16, 0x05, // SignatureInfo
0x1b, 0x01, 0x01, // SignatureType RSA
0x1c, 0x00, // KeyLocator empty
0x17, 0x00 // SignatureValue empty
};
Block data(PACKET);
data.parse();
BOOST_CHECK_EQUAL(data.elements_size(), 5);
BOOST_CHECK_EQUAL(data.elements().at(0).type(), 0x07);
BOOST_CHECK_EQUAL(data.elements().at(0).elements().size(), 0); // parse is not recursive
BOOST_CHECK(data.get(0x15) == data.elements().at(2));
BOOST_CHECK_EXCEPTION(data.get(0x01), Block::Error, [] (const auto& e) {
return e.what() == "No sub-element of type 1 found in block of type 6"s;
});
BOOST_CHECK(data.find(0x15) == data.elements_begin() + 2);
BOOST_CHECK(data.find(0x01) == data.elements_end());
const uint8_t MALFORMED[] = {
// TLV-LENGTH of nested element is greater than TLV-LENGTH of enclosing element
0x05, 0x05, 0x07, 0x07, 0x08, 0x05, 0x68, 0x65, 0x6c, 0x6c, 0x6f
};
Block bad(MALFORMED);
BOOST_CHECK_EXCEPTION(bad.parse(), Block::Error, [] (const auto& e) {
return e.what() == "TLV-LENGTH of sub-element of type 7 exceeds TLV-VALUE boundary of parent block"s;
});
}
BOOST_AUTO_TEST_CASE(InsertBeginning)
{
Block masterBlock(tlv::Name);
Block firstBlock = makeStringBlock(tlv::GenericNameComponent, "firstName");
Block secondBlock = makeStringBlock(tlv::GenericNameComponent, "secondName");
Block thirdBlock = makeStringBlock(tlv::GenericNameComponent, "thirdName");
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 0);
masterBlock.push_back(secondBlock);
masterBlock.push_back(thirdBlock);
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 2);
Block::element_const_iterator it = masterBlock.find(tlv::GenericNameComponent);
BOOST_CHECK_EQUAL(*it == secondBlock, true);
it = masterBlock.insert(it, firstBlock);
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 3);
BOOST_CHECK_EQUAL(*(it + 1) == secondBlock, true);
BOOST_CHECK_EQUAL(*(masterBlock.elements_begin()) == firstBlock, true);
}
BOOST_AUTO_TEST_CASE(InsertEnd)
{
Block masterBlock(tlv::Name);
Block firstBlock = makeStringBlock(tlv::GenericNameComponent, "firstName");
Block secondBlock = makeStringBlock(tlv::GenericNameComponent, "secondName");
Block thirdBlock = makeStringBlock(tlv::GenericNameComponent, "thirdName");
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 0);
masterBlock.push_back(firstBlock);
masterBlock.push_back(secondBlock);
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 2);
Block::element_const_iterator it = masterBlock.elements_end();
BOOST_CHECK_EQUAL(*(it - 1) == secondBlock, true);
it = masterBlock.insert(it, thirdBlock);
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 3);
BOOST_CHECK_EQUAL(*(it - 1) == secondBlock, true);
BOOST_CHECK_EQUAL(*(masterBlock.elements_end() - 1) == thirdBlock, true);
}
BOOST_AUTO_TEST_CASE(InsertMiddle)
{
Block masterBlock(tlv::Name);
Block firstBlock = makeStringBlock(tlv::GenericNameComponent, "firstName");
Block secondBlock = makeStringBlock(tlv::GenericNameComponent, "secondName");
Block thirdBlock = makeStringBlock(tlv::GenericNameComponent, "thirdName");
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 0);
masterBlock.push_back(firstBlock);
masterBlock.push_back(thirdBlock);
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 2);
Block::element_const_iterator it = masterBlock.find(tlv::GenericNameComponent);
BOOST_CHECK_EQUAL(*it == firstBlock, true);
it = masterBlock.insert(it + 1, secondBlock);
BOOST_CHECK_EQUAL(*it == secondBlock, true);
BOOST_CHECK_EQUAL(*(it + 1) == thirdBlock, true);
BOOST_CHECK_EQUAL(*(it - 1) == firstBlock, true);
}
BOOST_AUTO_TEST_CASE(EraseSingleElement)
{
Block masterBlock(tlv::Name);
Block firstBlock = makeStringBlock(tlv::GenericNameComponent, "firstName");
Block secondBlock = makeStringBlock(tlv::GenericNameComponent, "secondName");
Block thirdBlock = makeStringBlock(tlv::GenericNameComponent, "thirdName");
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 0);
masterBlock.push_back(firstBlock);
masterBlock.push_back(secondBlock);
masterBlock.push_back(thirdBlock);
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 3);
Block::element_const_iterator it = masterBlock.find(tlv::GenericNameComponent);
it++;
BOOST_CHECK_EQUAL(*it == secondBlock, true);
it = masterBlock.erase(it);
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 2);
BOOST_CHECK_EQUAL(*(it) == thirdBlock, true);
BOOST_CHECK_EQUAL(*(it - 1) == firstBlock, true);
}
BOOST_AUTO_TEST_CASE(EraseRange)
{
Block masterBlock(tlv::Name);
Block firstBlock = makeStringBlock(tlv::GenericNameComponent, "firstName");
Block secondBlock = makeStringBlock(tlv::GenericNameComponent, "secondName");
Block thirdBlock = makeStringBlock(tlv::GenericNameComponent, "thirdName");
Block fourthBlock = makeStringBlock(tlv::GenericNameComponent, "fourthName");
Block fifthBlock = makeStringBlock(tlv::GenericNameComponent, "fifthName");
Block sixthBlock = makeStringBlock(tlv::GenericNameComponent, "sixthName");
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 0);
masterBlock.push_back(firstBlock);
masterBlock.push_back(secondBlock);
masterBlock.push_back(thirdBlock);
masterBlock.push_back(fourthBlock);
masterBlock.push_back(fifthBlock);
masterBlock.push_back(sixthBlock);
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 6);
Block::element_const_iterator itStart = masterBlock.find(tlv::GenericNameComponent);
itStart++;
Block::element_const_iterator itEnd = itStart + 3;
BOOST_CHECK_EQUAL(*itStart == secondBlock, true);
BOOST_CHECK_EQUAL(*itEnd == fifthBlock, true);
Block::element_const_iterator newIt = masterBlock.erase(itStart, itEnd);
BOOST_CHECK_EQUAL(masterBlock.elements_size(), 3);
BOOST_CHECK_EQUAL(*(newIt) == fifthBlock, true);
BOOST_CHECK_EQUAL(*(newIt - 1) == firstBlock, true);
}
BOOST_AUTO_TEST_CASE(Remove)
{
Block block(tlv::Data);
block.push_back(makeNonNegativeIntegerBlock(tlv::ContentType, 0));
block.push_back(makeNonNegativeIntegerBlock(tlv::FreshnessPeriod, 123));
block.push_back(makeStringBlock(tlv::Name, "/test-prefix"));
block.push_back(makeNonNegativeIntegerBlock(tlv::ContentType, 2));
block.push_back(makeNonNegativeIntegerBlock(tlv::ContentType, 1));
BOOST_CHECK_EQUAL(5, block.elements_size());
BOOST_CHECK_NO_THROW(block.remove(tlv::ContentType));
BOOST_REQUIRE_EQUAL(2, block.elements_size());
auto elements = block.elements();
BOOST_CHECK_EQUAL(tlv::FreshnessPeriod, elements[0].type());
BOOST_CHECK_EQUAL(123, readNonNegativeInteger(elements[0]));
BOOST_CHECK_EQUAL(tlv::Name, elements[1].type());
BOOST_CHECK_EQUAL(readString(elements[1]).compare("/test-prefix"), 0);
}
BOOST_AUTO_TEST_SUITE_END() // SubElements
BOOST_AUTO_TEST_CASE(ToAsioConstBuffer)
{
Block block = "0101A0"_block;
boost::asio::const_buffer buffer(block);
BOOST_CHECK_EQUAL(boost::asio::buffer_cast<const uint8_t*>(buffer), block.data());
BOOST_CHECK_EQUAL(boost::asio::buffer_size(buffer), block.size());
}
BOOST_AUTO_TEST_CASE(Equality)
{
const uint8_t one[] = {0x08, 0x00};
Block a(one);
Block b(one);
BOOST_CHECK_EQUAL(a == b, true);
BOOST_CHECK_EQUAL(a != b, false);
const uint8_t two[] = {0x06, 0x00};
Block c(two);
Block d(one);
BOOST_CHECK_EQUAL(c == d, false);
BOOST_CHECK_EQUAL(c != d, true);
const uint8_t three[] = {0x06, 0x01, 0xcc};
Block e(two);
Block f(three);
BOOST_CHECK_EQUAL(e == f, false);
BOOST_CHECK_EQUAL(e != f, true);
}
BOOST_AUTO_TEST_CASE(Print)
{
// default constructed
Block b;
BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(b), "[invalid]");
// zero length
b = "0700"_block;
BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(b), "7[empty]");
// unparsed
b = "0E10FF7E4E6B3B21C902660F16ED589FCCCC"_block;
BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(b),
"14[16]=FF7E4E6B3B21C902660F16ED589FCCCC");
// set and restore format flags
{
std::ostringstream oss;
oss << std::showbase << std::hex << 0xd23c4 << b << 0x4981e;
BOOST_CHECK_EQUAL(oss.str(), "0xd23c414[16]=FF7E4E6B3B21C902660F16ED589FCCCC0x4981e");
}
// parsed
b = "FD010808 0502CADD 59024E42"_block;
b.parse();
BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(b),
"264[8]={5[2]=CADD,89[2]=4E42}");
// parsed then modified: print modified sub-elements
b = "FD010808 0502CADD 59024E42"_block;
b.parse();
b.erase(b.elements_begin());
b.push_back("10022386"_block);
BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(b),
"264[8]={89[2]=4E42,16[2]=2386}");
}
BOOST_AUTO_TEST_SUITE(BlockLiteral)
BOOST_AUTO_TEST_CASE(Simple)
{
Block b0 = "4200"_block;
BOOST_CHECK_EQUAL(b0.type(), 0x42);
BOOST_CHECK_EQUAL(b0.value_size(), 0);
Block b1 = "0101A0"_block;
BOOST_CHECK_EQUAL(b1.type(), 0x01);
BOOST_REQUIRE_EQUAL(b1.value_size(), 1);
BOOST_CHECK_EQUAL(b1.value()[0], 0xA0);
}
BOOST_AUTO_TEST_CASE(Comment)
{
Block b0 = "a2b0c0d2eBf0G.B 1+"_block;
BOOST_CHECK_EQUAL(b0.type(), 0x20);
BOOST_REQUIRE_EQUAL(b0.value_size(), 2);
BOOST_CHECK_EQUAL(b0.value()[0], 0xB0);
BOOST_CHECK_EQUAL(b0.value()[1], 0xB1);
}
BOOST_AUTO_TEST_CASE(BadInput)
{
BOOST_CHECK_THROW(""_block, std::invalid_argument);
BOOST_CHECK_THROW("1"_block, std::invalid_argument);
BOOST_CHECK_THROW("333"_block, std::invalid_argument);
BOOST_CHECK_THROW("xx yy zz"_block, std::invalid_argument); // only comments
BOOST_CHECK_THROW("0000"_block, tlv::Error); // invalid type
BOOST_CHECK_THROW("0202C0"_block, tlv::Error); // truncated value
BOOST_CHECK_THROW("0201C0C1"_block, tlv::Error); // trailing garbage
}
BOOST_AUTO_TEST_SUITE_END() // BlockLiteral
BOOST_AUTO_TEST_SUITE_END() // TestBlock
BOOST_AUTO_TEST_SUITE_END() // Encoding
} // namespace tests
} // namespace ndn