solidity/hexPrefix.cpp
2014-01-31 21:08:16 +00:00

58 lines
2.0 KiB
C++

/*
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 2 of the License, or
(at your option) any later version.
Foobar 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file main.cpp
* @author Gav Wood <i@gavwood.com>
* @date 2014
* Main test functions.
*/
#include "TrieCommon.h"
using namespace std;
using namespace eth;
int hexPrefixTest()
{
/*
* Hex-prefix Notation. First nibble has flags: oddness = 2^0 & termination = 2^1
* [0,0,1,2,3,4,5] 0x10012345
* [0,1,2,3,4,5] 0x00012345
* [1,2,3,4,5] 0x112345
* [0,0,1,2,3,4] 0x00001234
* [0,1,2,3,4] 0x101234
* [1,2,3,4] 0x001234
* [0,0,1,2,3,4,5,T] 0x30012345
* [0,0,1,2,3,4,T] 0x20001234
* [0,1,2,3,4,5,T] 0x20012345
* [1,2,3,4,5,T] 0x312345
* [1,2,3,4,T] 0x201234
*/
assert(asHex(hexPrefixEncode({0, 0, 1, 2, 3, 4, 5}, false)) == "10012345");
assert(asHex(hexPrefixEncode({0, 1, 2, 3, 4, 5}, false)) == "00012345");
assert(asHex(hexPrefixEncode({1, 2, 3, 4, 5}, false)) == "112345");
assert(asHex(hexPrefixEncode({0, 0, 1, 2, 3, 4}, false)) == "00001234");
assert(asHex(hexPrefixEncode({0, 1, 2, 3, 4}, false)) == "101234");
assert(asHex(hexPrefixEncode({1, 2, 3, 4}, false)) == "001234");
assert(asHex(hexPrefixEncode({0, 0, 1, 2, 3, 4, 5}, true)) == "30012345");
assert(asHex(hexPrefixEncode({0, 0, 1, 2, 3, 4}, true)) == "20001234");
assert(asHex(hexPrefixEncode({0, 1, 2, 3, 4, 5}, true)) == "20012345");
assert(asHex(hexPrefixEncode({1, 2, 3, 4, 5}, true)) == "312345");
assert(asHex(hexPrefixEncode({1, 2, 3, 4}, true)) == "201234");
return 0;
}