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146 lines
3.1 KiB
146 lines
3.1 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file FixedHash.cpp
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* @author Lefterus <lefteris@ethdev.com>
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* @date 2015
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*/
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#include <libdevcore/FixedHash.h>
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#include "../TestHelper.h"
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using namespace std;
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using namespace dev;
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namespace dev
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{
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namespace test
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{
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BOOST_AUTO_TEST_SUITE(FixedHashTests)
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BOOST_AUTO_TEST_CASE(FixedHashComparisons)
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{
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FixedHash<4> h1(sha3("abcd"));
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FixedHash<4> h2(sha3("abcd"));
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FixedHash<4> h3(sha3("aadd"));
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FixedHash<4> h4(0xBAADF00D);
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FixedHash<4> h5(0xAAAAAAAA);
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FixedHash<4> h6(0xBAADF00D);
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BOOST_CHECK(h1 == h2);
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BOOST_CHECK(h2 != h3);
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BOOST_CHECK(h4 > h5);
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BOOST_CHECK(h5 < h4);
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BOOST_CHECK(h6 <= h4);
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BOOST_CHECK(h6 >= h4);
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}
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BOOST_AUTO_TEST_CASE(FixedHashXOR)
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{
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FixedHash<2> h1("0xAAAA");
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FixedHash<2> h2("0xBBBB");
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BOOST_CHECK((h1 ^ h2) == FixedHash<2>("0x1111"));
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h1 ^= h2;
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BOOST_CHECK(h1 == FixedHash<2>("0x1111"));
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}
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BOOST_AUTO_TEST_CASE(FixedHashOR)
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{
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FixedHash<4> h1("0xD3ADB33F");
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FixedHash<4> h2("0xBAADF00D");
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FixedHash<4> res("0xFBADF33F");
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BOOST_CHECK((h1 | h2) == res);
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h1 |= h2;
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BOOST_CHECK(h1 == res);
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}
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BOOST_AUTO_TEST_CASE(FixedHashAND)
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{
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FixedHash<4> h1("0xD3ADB33F");
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FixedHash<4> h2("0xBAADF00D");
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FixedHash<4> h3("0x92aDB00D");
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BOOST_CHECK((h1 & h2) == h3);
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h1 &= h2;
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BOOST_CHECK(h1 = h3);
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}
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BOOST_AUTO_TEST_CASE(FixedHashInvert)
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{
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FixedHash<4> h1("0xD3ADB33F");
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FixedHash<4> h2("0x2C524CC0");
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BOOST_CHECK(~h1 == h2);
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}
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BOOST_AUTO_TEST_CASE(FixedHashContains)
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{
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FixedHash<4> h1("0xD3ADB331");
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FixedHash<4> h2("0x0000B331");
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FixedHash<4> h3("0x0000000C");
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BOOST_CHECK(h1.contains(h2));
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BOOST_CHECK(!h1.contains(h3));
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}
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void incrementSingleIteration(unsigned seed)
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{
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unsigned next = seed + 1;
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FixedHash<4> h1(seed);
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FixedHash<4> h2 = h1;
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FixedHash<4> h3(next);
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FixedHash<32> hh1(seed);
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FixedHash<32> hh2 = hh1;
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FixedHash<32> hh3(next);
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BOOST_CHECK_EQUAL(++h2, h3);
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BOOST_CHECK_EQUAL(++hh2, hh3);
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BOOST_CHECK(h2 > h1);
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BOOST_CHECK(hh2 > hh1);
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unsigned reverse1 = ((FixedHash<4>::Arith)h2).convert_to<unsigned>();
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unsigned reverse2 = ((FixedHash<32>::Arith)hh2).convert_to<unsigned>();
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BOOST_CHECK_EQUAL(next, reverse1);
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BOOST_CHECK_EQUAL(next, reverse2);
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}
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BOOST_AUTO_TEST_CASE(FixedHashIncrement)
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{
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incrementSingleIteration(0);
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incrementSingleIteration(1);
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incrementSingleIteration(0xBAD);
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incrementSingleIteration(0xBEEF);
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incrementSingleIteration(0xFFFF);
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incrementSingleIteration(0xFEDCBA);
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incrementSingleIteration(0x7FFFFFFF);
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FixedHash<4> h(0xFFFFFFFF);
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FixedHash<4> zero;
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BOOST_CHECK_EQUAL(++h, zero);
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}
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BOOST_AUTO_TEST_SUITE_END()
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}
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}
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