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-/*
- This file is part of cpp-ethereum.
-
- cpp-ethereum is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- cpp-ethereum 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
-*/
-/** @file rlp.cpp
- * @author Gav Wood <i@gavwood.com>
- * @date 2014
- * RLP test functions.
- */
-
-#include <fstream>
-#include <sstream>
-
-#include <boost/test/unit_test.hpp>
-
-#include <libdevcore/Log.h>
-#include <libdevcore/RLP.h>
-#include <libdevcore/Common.h>
-#include <libdevcore/CommonIO.h>
-#include <algorithm>
-#include "JsonSpiritHeaders.h"
-#include "TestHelper.h"
-
-using namespace std;
-using namespace dev;
-namespace js = json_spirit;
-
-namespace dev
-{
- namespace test
- {
- static void buildRLP(js::mValue& _v, RLPStream& _rlp)
- {
- if (_v.type() == js::array_type)
- {
- RLPStream s;
- for (auto& i: _v.get_array())
- buildRLP(i, s);
- _rlp.appendList(s.out());
- }
- else if (_v.type() == js::int_type)
- _rlp.append(_v.get_uint64());
- else if (_v.type() == js::str_type)
- {
- auto s = _v.get_str();
- if (s.size() && s[0] == '#')
- _rlp.append(bigint(s.substr(1)));
- else
- _rlp.append(s);
- }
- }
-
- static void getRLPTestCases(js::mValue& v)
- {
- string testPath = getTestPath();
- testPath += "/BasicTests";
-
- string s = asString(contents(testPath + "/rlptest.json"));
- BOOST_REQUIRE_MESSAGE( s.length() > 0,
- "Contents of 'rlptest.json' is empty. Have you cloned the 'tests' repo branch develop?");
- js::read_string(s, v);
- }
-
- static void checkRLPTestCase(js::mObject& o)
- {
- BOOST_REQUIRE( o.count("in") > 0 );
- BOOST_REQUIRE( o.count("out") > 0 );
- BOOST_REQUIRE(!o["out"].is_null());
- }
-
- static void checkRLPAgainstJson(js::mValue& v, RLP& u)
- {
- if ( v.type() == js::str_type )
- {
- const std::string& expectedText = v.get_str();
- if ( !expectedText.empty() && expectedText.front() == '#' )
- {
- // Deal with bigint instead of a raw string
- std::string bigIntStr = expectedText.substr(1,expectedText.length()-1);
- std::stringstream bintStream(bigIntStr);
- bigint val;
- bintStream >> val;
- BOOST_CHECK( !u.isList() );
- BOOST_CHECK( !u.isNull() );
- BOOST_CHECK( u ); // operator bool()
- BOOST_CHECK(u == val);
- }
- else
- {
- BOOST_CHECK( !u.isList() );
- BOOST_CHECK( !u.isNull() );
- BOOST_CHECK( u.isData() );
- BOOST_CHECK( u );
- BOOST_CHECK( u.size() == expectedText.length() );
- BOOST_CHECK(u == expectedText);
- }
- }
- else if ( v.type() == js::int_type )
- {
- const int expectedValue = v.get_int();
- BOOST_CHECK( u.isInt() );
- BOOST_CHECK( !u.isList() );
- BOOST_CHECK( !u.isNull() );
- BOOST_CHECK( u ); // operator bool()
- BOOST_CHECK(u == expectedValue);
- }
- else if ( v.type() == js::array_type )
- {
- BOOST_CHECK( u.isList() );
- BOOST_CHECK( !u.isInt() );
- BOOST_CHECK( !u.isData() );
- js::mArray& arr = v.get_array();
- BOOST_CHECK( u.itemCount() == arr.size() );
- unsigned i;
- for( i = 0; i < arr.size(); i++ )
- {
- RLP item = u[i];
- checkRLPAgainstJson(arr[i], item);
- }
- }
- else
- {
- BOOST_ERROR("Invalid Javascript object!");
- }
-
- }
- }
-}
-
-BOOST_AUTO_TEST_SUITE(BasicTests)
-
-BOOST_AUTO_TEST_CASE(rlp_encoding_test)
-{
- cnote << "Testing RLP Encoding...";
- js::mValue v;
- dev::test::getRLPTestCases(v);
-
- for (auto& i: v.get_obj())
- {
- js::mObject& o = i.second.get_obj();
- cnote << i.first;
- dev::test::checkRLPTestCase(o);
-
- RLPStream s;
- dev::test::buildRLP(o["in"], s);
-
- std::string expectedText(o["out"].get_str());
- std::transform(expectedText.begin(), expectedText.end(), expectedText.begin(), ::tolower );
-
- const std::string& computedText = toHex(s.out());
-
- std::stringstream msg;
- msg << "Encoding Failed: expected: " << expectedText << std::endl;
- msg << " But Computed: " << computedText;
-
- BOOST_CHECK_MESSAGE(
- expectedText == computedText,
- msg.str()
- );
- }
-
-}
-
-BOOST_AUTO_TEST_CASE(rlp_decoding_test)
-{
- cnote << "Testing RLP decoding...";
- // Uses the same test cases as encoding but in reverse.
- // We read into the string of hex values, convert to bytes,
- // and then compare the output structure to the json of the
- // input object.
- js::mValue v;
- dev::test::getRLPTestCases(v);
- for (auto& i: v.get_obj())
- {
- js::mObject& o = i.second.get_obj();
- cnote << i.first;
- dev::test::checkRLPTestCase(o);
-
- js::mValue& inputData = o["in"];
- bytes payloadToDecode = fromHex(o["out"].get_str());
-
- RLP payload(payloadToDecode);
-
- dev::test::checkRLPAgainstJson(inputData, payload);
-
- }
-}
-
-BOOST_AUTO_TEST_SUITE_END()
-