| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
| /** |
| * Copyright (c) 2013-2014 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 "encoding/encoding-buffer.hpp" |
| #include "encoding/buffer-stream.hpp" |
| |
| #include "boost-test.hpp" |
| |
| using namespace std; |
| namespace ndn { |
| |
| BOOST_AUTO_TEST_SUITE(TestBlock) |
| |
| BOOST_AUTO_TEST_CASE(BlockBasic) |
| { |
| EncodingBuffer buffer; |
| EncodingEstimator estimator; |
| size_t s1, s2; |
| |
| // VarNumber checks |
| |
| s1 = buffer.prependVarNumber(252); |
| s2 = estimator.prependVarNumber(252); |
| BOOST_CHECK_EQUAL(buffer.size(), 1); |
| BOOST_CHECK_EQUAL(s1, 1); |
| BOOST_CHECK_EQUAL(s2, 1); |
| buffer = EncodingBuffer(); |
| |
| s1 = buffer.prependVarNumber(253); |
| s2 = estimator.prependVarNumber(253); |
| BOOST_CHECK_EQUAL(buffer.size(), 3); |
| BOOST_CHECK_EQUAL(s1, 3); |
| BOOST_CHECK_EQUAL(s2, 3); |
| buffer = EncodingBuffer(); |
| |
| s1 = buffer.prependVarNumber(255); |
| s2 = estimator.prependVarNumber(255); |
| BOOST_CHECK_EQUAL(buffer.size(), 3); |
| BOOST_CHECK_EQUAL(s1, 3); |
| BOOST_CHECK_EQUAL(s2, 3); |
| buffer = EncodingBuffer(); |
| |
| s1 = buffer.prependVarNumber(65535); |
| s2 = estimator.prependVarNumber(65535); |
| BOOST_CHECK_EQUAL(buffer.size(), 3); |
| BOOST_CHECK_EQUAL(s1, 3); |
| BOOST_CHECK_EQUAL(s2, 3); |
| buffer = EncodingBuffer(); |
| |
| s1 = buffer.prependVarNumber(65536); |
| s2 = estimator.prependVarNumber(65536); |
| BOOST_CHECK_EQUAL(buffer.size(), 5); |
| BOOST_CHECK_EQUAL(s1, 5); |
| BOOST_CHECK_EQUAL(s2, 5); |
| buffer = EncodingBuffer(); |
| |
| s1 = buffer.prependVarNumber(4294967295LL); |
| s2 = estimator.prependVarNumber(4294967295LL); |
| BOOST_CHECK_EQUAL(buffer.size(), 5); |
| BOOST_CHECK_EQUAL(s1, 5); |
| BOOST_CHECK_EQUAL(s2, 5); |
| buffer = EncodingBuffer(); |
| |
| s1 = buffer.prependVarNumber(4294967296LL); |
| s2 = estimator.prependVarNumber(4294967296LL); |
| BOOST_CHECK_EQUAL(buffer.size(), 9); |
| BOOST_CHECK_EQUAL(s1, 9); |
| BOOST_CHECK_EQUAL(s2, 9); |
| buffer = EncodingBuffer(); |
| |
| // nonNegativeInteger checks |
| |
| s1 = buffer.prependNonNegativeInteger(252); |
| s2 = estimator.prependNonNegativeInteger(252); |
| BOOST_CHECK_EQUAL(buffer.size(), 1); |
| BOOST_CHECK_EQUAL(s1, 1); |
| BOOST_CHECK_EQUAL(s2, 1); |
| buffer = EncodingBuffer(); |
| |
| s1 = buffer.prependNonNegativeInteger(255); |
| s2 = estimator.prependNonNegativeInteger(255); |
| BOOST_CHECK_EQUAL(buffer.size(), 1); |
| BOOST_CHECK_EQUAL(s1, 1); |
| BOOST_CHECK_EQUAL(s2, 1); |
| buffer = EncodingBuffer(); |
| |
| s1 = buffer.prependNonNegativeInteger(256); |
| s2 = estimator.prependNonNegativeInteger(256); |
| BOOST_CHECK_EQUAL(buffer.size(), 2); |
| BOOST_CHECK_EQUAL(s1, 2); |
| BOOST_CHECK_EQUAL(s2, 2); |
| buffer = EncodingBuffer(); |
| |
| s1 = buffer.prependNonNegativeInteger(65535); |
| s2 = estimator.prependNonNegativeInteger(65535); |
| BOOST_CHECK_EQUAL(buffer.size(), 2); |
| BOOST_CHECK_EQUAL(s1, 2); |
| BOOST_CHECK_EQUAL(s2, 2); |
| buffer = EncodingBuffer(); |
| |
| s1 = buffer.prependNonNegativeInteger(65536); |
| s2 = estimator.prependNonNegativeInteger(65536); |
| BOOST_CHECK_EQUAL(buffer.size(), 4); |
| BOOST_CHECK_EQUAL(s1, 4); |
| BOOST_CHECK_EQUAL(s2, 4); |
| buffer = EncodingBuffer(); |
| |
| s1 = buffer.prependNonNegativeInteger(4294967295LL); |
| s2 = estimator.prependNonNegativeInteger(4294967295LL); |
| BOOST_CHECK_EQUAL(buffer.size(), 4); |
| BOOST_CHECK_EQUAL(s1, 4); |
| BOOST_CHECK_EQUAL(s2, 4); |
| buffer = EncodingBuffer(); |
| |
| s1 = buffer.prependNonNegativeInteger(4294967296LL); |
| s2 = estimator.prependNonNegativeInteger(4294967296LL); |
| BOOST_CHECK_EQUAL(buffer.size(), 8); |
| BOOST_CHECK_EQUAL(s1, 8); |
| BOOST_CHECK_EQUAL(s2, 8); |
| buffer = EncodingBuffer(); |
| } |
| |
| BOOST_AUTO_TEST_CASE(EncodingBufferToBlock) |
| { |
| uint8_t value[4]; |
| |
| EncodingBuffer buffer; |
| size_t length = buffer.prependByteArray(value, sizeof(value)); |
| buffer.prependVarNumber(length); |
| buffer.prependVarNumber(0xe0); |
| |
| Block block; |
| BOOST_REQUIRE_NO_THROW(block = buffer.block()); |
| BOOST_CHECK_EQUAL(block.type(), 0xe0); |
| BOOST_CHECK_EQUAL(block.value_size(), sizeof(value)); |
| |
| BOOST_REQUIRE_NO_THROW(block = Block(buffer)); |
| BOOST_CHECK_EQUAL(block.type(), 0xe0); |
| BOOST_CHECK_EQUAL(block.value_size(), sizeof(value)); |
| } |
| |
| BOOST_AUTO_TEST_CASE(BlockToBuffer) |
| { |
| shared_ptr<Buffer> buf = make_shared<Buffer>(10); |
| for (int i = 0; i < 10; i++) (*buf)[i] = i; |
| |
| Block block(0xab, buf); |
| block.encode(); |
| |
| EncodingBuffer buffer(0,0); |
| BOOST_REQUIRE_NO_THROW(buffer = EncodingBuffer(block)); |
| BOOST_CHECK_EQUAL(buffer.size(), 12); |
| BOOST_CHECK_EQUAL(buffer.capacity(), 12); |
| |
| (*buf)[1] = 0xe0; |
| (*buf)[2] = 2; |
| BOOST_REQUIRE_NO_THROW(block = Block(buf, buf->begin() + 1, buf->begin() + 5)); |
| BOOST_CHECK_EQUAL(block.type(), 0xe0); |
| |
| BOOST_REQUIRE_NO_THROW(buffer = EncodingBuffer(block)); |
| BOOST_CHECK_EQUAL(buffer.size(), 4); |
| BOOST_CHECK_EQUAL(buffer.capacity(), 10); |
| } |
| |
| BOOST_AUTO_TEST_CASE(FromBuffer) |
| { |
| const uint8_t TEST_BUFFER[] = {0x00, 0x01, 0xfa, // ok |
| 0x01, 0x01, 0xfb, // ok |
| 0x03, 0x02, 0xff}; // not ok |
| BufferPtr buffer(new Buffer(TEST_BUFFER, sizeof(TEST_BUFFER))); |
| |
| // using BufferPtr (avoids memory copy) |
| size_t offset = 0; |
| Block testBlock; |
| BOOST_CHECK(Block::fromBuffer(buffer, offset, testBlock)); |
| BOOST_CHECK_EQUAL(testBlock.type(), 0); |
| BOOST_CHECK_EQUAL(testBlock.size(), 3); |
| BOOST_CHECK_EQUAL(testBlock.value_size(), 1); |
| BOOST_CHECK_EQUAL(*testBlock.wire(), 0x00); |
| BOOST_CHECK_EQUAL(*testBlock.value(), 0xfa); |
| offset += testBlock.size(); |
| |
| BOOST_CHECK(Block::fromBuffer(buffer, offset, testBlock)); |
| BOOST_CHECK_EQUAL(testBlock.type(), 1); |
| BOOST_CHECK_EQUAL(testBlock.size(), 3); |
| BOOST_CHECK_EQUAL(testBlock.value_size(), 1); |
| BOOST_CHECK_EQUAL(*testBlock.wire(), 0x01); |
| BOOST_CHECK_EQUAL(*testBlock.value(), 0xfb); |
| offset += testBlock.size(); |
| |
| BOOST_CHECK(!Block::fromBuffer(buffer, offset, testBlock)); |
| |
| // just buffer, copies memory |
| offset = 0; |
| BOOST_CHECK(Block::fromBuffer(TEST_BUFFER + offset, sizeof(TEST_BUFFER) - offset, testBlock)); |
| BOOST_CHECK_EQUAL(testBlock.type(), 0); |
| BOOST_CHECK_EQUAL(testBlock.size(), 3); |
| BOOST_CHECK_EQUAL(testBlock.value_size(), 1); |
| BOOST_CHECK_EQUAL(*testBlock.wire(), 0x00); |
| BOOST_CHECK_EQUAL(*testBlock.value(), 0xfa); |
| offset += testBlock.size(); |
| |
| BOOST_CHECK(Block::fromBuffer(TEST_BUFFER + offset, sizeof(TEST_BUFFER) - offset, testBlock)); |
| BOOST_CHECK_EQUAL(testBlock.type(), 1); |
| BOOST_CHECK_EQUAL(testBlock.size(), 3); |
| BOOST_CHECK_EQUAL(testBlock.value_size(), 1); |
| BOOST_CHECK_EQUAL(*testBlock.wire(), 0x01); |
| BOOST_CHECK_EQUAL(*testBlock.value(), 0xfb); |
| offset += testBlock.size(); |
| |
| BOOST_CHECK(!Block::fromBuffer(TEST_BUFFER + offset, sizeof(TEST_BUFFER) - offset, testBlock)); |
| } |
| |
| BOOST_AUTO_TEST_CASE(BlockFromStream) |
| { |
| const uint8_t TEST_BUFFER[] = {0x00, 0x01, 0xfa, // ok |
| 0x01, 0x01, 0xfb, // ok |
| 0x03, 0x02, 0xff}; // not ok |
| |
| typedef boost::iostreams::stream<boost::iostreams::array_source> ArrayStream; |
| ArrayStream stream(reinterpret_cast<const char*>(TEST_BUFFER), sizeof(TEST_BUFFER)); |
| |
| |
| Block testBlock; |
| BOOST_REQUIRE_NO_THROW(testBlock = Block::fromStream(stream)); |
| BOOST_CHECK_EQUAL(testBlock.type(), 0); |
| BOOST_CHECK_EQUAL(testBlock.size(), 3); |
| BOOST_CHECK_EQUAL(testBlock.value_size(), 1); |
| BOOST_CHECK_EQUAL(*testBlock.wire(), 0x00); |
| BOOST_CHECK_EQUAL(*testBlock.value(), 0xfa); |
| |
| BOOST_REQUIRE_NO_THROW(testBlock = Block::fromStream(stream)); |
| BOOST_CHECK_EQUAL(testBlock.type(), 1); |
| BOOST_CHECK_EQUAL(testBlock.size(), 3); |
| BOOST_CHECK_EQUAL(testBlock.value_size(), 1); |
| BOOST_CHECK_EQUAL(*testBlock.wire(), 0x01); |
| BOOST_CHECK_EQUAL(*testBlock.value(), 0xfb); |
| |
| BOOST_CHECK_THROW(Block::fromStream(stream), tlv::Error); |
| } |
| |
| BOOST_AUTO_TEST_CASE(Equality) |
| { |
| BOOST_CONCEPT_ASSERT((boost::EqualityComparable<Block>)); |
| |
| Block a("\x08\x00", 2); |
| Block b("\x08\x00", 2);; |
| BOOST_CHECK_EQUAL(a == b, true); |
| BOOST_CHECK_EQUAL(a != b, false); |
| |
| Block c("\x06\x00", 2); |
| Block d("\x08\x00", 2);; |
| BOOST_CHECK_EQUAL(c == d, false); |
| BOOST_CHECK_EQUAL(c != d, true); |
| |
| Block e("\x06\x00", 2); |
| Block f("\x06\x01\xcc", 3);; |
| BOOST_CHECK_EQUAL(e == f, false); |
| BOOST_CHECK_EQUAL(e != f, true); |
| } |
| |
| BOOST_AUTO_TEST_SUITE_END() |
| |
| } // namespace ndn |