mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
265 lines
7.5 KiB
C++
265 lines
7.5 KiB
C++
/*
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This file is part of solidity.
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solidity 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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solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* Unit tests for FixedHash.
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*/
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#include <libsolutil/FixedHash.h>
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#include <boost/test/unit_test.hpp>
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#include <cstdint>
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#include <sstream>
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using namespace std;
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namespace solidity::util::test
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{
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static_assert(std::is_same<h160, FixedHash<20>>());
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static_assert(std::is_same<h256, FixedHash<32>>());
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BOOST_AUTO_TEST_SUITE(FixedHashTest)
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BOOST_AUTO_TEST_CASE(default_constructor)
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{
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BOOST_CHECK_EQUAL(
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FixedHash<1>{}.hex(),
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"00"
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);
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BOOST_CHECK_EQUAL(
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FixedHash<1>{}.size,
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1
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);
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BOOST_CHECK_EQUAL(
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FixedHash<8>{}.hex(),
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"0000000000000000"
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);
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BOOST_CHECK_EQUAL(
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FixedHash<8>{}.size,
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8
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);
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BOOST_CHECK_EQUAL(
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FixedHash<20>{}.hex(),
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"0000000000000000000000000000000000000000"
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);
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BOOST_CHECK_EQUAL(
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FixedHash<20>{}.size,
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20
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);
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BOOST_CHECK_EQUAL(
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FixedHash<32>{}.hex(),
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"0000000000000000000000000000000000000000000000000000000000000000"
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);
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BOOST_CHECK_EQUAL(
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FixedHash<32>{}.size,
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32
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);
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}
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BOOST_AUTO_TEST_CASE(bytes_constructor)
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{
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FixedHash<8> a(bytes{});
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BOOST_CHECK_EQUAL(a.size, 8);
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BOOST_CHECK_EQUAL(a.hex(), "0000000000000000");
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FixedHash<8> b(bytes{0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88});
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BOOST_CHECK_EQUAL(b.size, 8);
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BOOST_CHECK_EQUAL(b.hex(), "1122334455667788");
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// TODO: short input, this should fail
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FixedHash<8> c(bytes{0x11, 0x22, 0x33, 0x44, 0x55, 0x66});
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BOOST_CHECK_EQUAL(c.size, 8);
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BOOST_CHECK_EQUAL(c.hex(), "0000000000000000");
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// TODO: oversized input, this should fail
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FixedHash<8> d(bytes{0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99});
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BOOST_CHECK_EQUAL(d.size, 8);
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BOOST_CHECK_EQUAL(d.hex(), "0000000000000000");
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}
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// TODO: add FixedHash(bytesConstRef) constructor
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BOOST_AUTO_TEST_CASE(string_constructor_fromhex)
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{
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// TODO: this tests the default settings ConstructFromStringType::fromHex, ConstructFromHashType::FailIfDifferent
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// should test other options too
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FixedHash<8> a("");
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BOOST_CHECK_EQUAL(a.size, 8);
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BOOST_CHECK_EQUAL(a.hex(), "0000000000000000");
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FixedHash<8> b("1122334455667788");
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BOOST_CHECK_EQUAL(b.size, 8);
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BOOST_CHECK_EQUAL(b.hex(), "1122334455667788");
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FixedHash<8> c("0x1122334455667788");
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BOOST_CHECK_EQUAL(c.size, 8);
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BOOST_CHECK_EQUAL(c.hex(), "1122334455667788");
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// TODO: short input, this should fail
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FixedHash<8> d("112233445566");
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BOOST_CHECK_EQUAL(d.size, 8);
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BOOST_CHECK_EQUAL(d.hex(), "0000000000000000");
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// TODO: oversized input, this should fail
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FixedHash<8> e("112233445566778899");
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BOOST_CHECK_EQUAL(e.size, 8);
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BOOST_CHECK_EQUAL(e.hex(), "0000000000000000");
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}
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BOOST_AUTO_TEST_CASE(string_constructor_frombytes)
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{
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FixedHash<8> b("", FixedHash<8>::FromBinary);
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BOOST_CHECK_EQUAL(b.size, 8);
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BOOST_CHECK_EQUAL(b.hex(), "0000000000000000");
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FixedHash<8> c("abcdefgh", FixedHash<8>::FromBinary);
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BOOST_CHECK_EQUAL(c.size, 8);
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BOOST_CHECK_EQUAL(c.hex(), "6162636465666768");
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// TODO: short input, this should fail
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FixedHash<8> d("abcdefg", FixedHash<8>::FromBinary);
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BOOST_CHECK_EQUAL(d.size, 8);
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BOOST_CHECK_EQUAL(d.hex(), "0000000000000000");
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// TODO: oversized input, this should fail
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FixedHash<8> e("abcdefghi", FixedHash<8>::FromBinary);
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BOOST_CHECK_EQUAL(e.size, 8);
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BOOST_CHECK_EQUAL(e.hex(), "0000000000000000");
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}
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BOOST_AUTO_TEST_CASE(converting_constructor)
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{
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// Left-aligned truncation
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FixedHash<8> a = FixedHash<8>(FixedHash<12>("112233445566778899001122"), FixedHash<8>::AlignLeft);
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BOOST_CHECK_EQUAL(a.size, 8);
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BOOST_CHECK_EQUAL(a.hex(), "1122334455667788");
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// Right-aligned truncation
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FixedHash<8> b = FixedHash<8>(FixedHash<12>("112233445566778899001122"), FixedHash<8>::AlignRight);
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BOOST_CHECK_EQUAL(b.size, 8);
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BOOST_CHECK_EQUAL(b.hex(), "5566778899001122");
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// Left-aligned extension
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FixedHash<12> c = FixedHash<12>(FixedHash<8>("1122334455667788"), FixedHash<12>::AlignLeft);
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BOOST_CHECK_EQUAL(c.size, 12);
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BOOST_CHECK_EQUAL(c.hex(), "112233445566778800000000");
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// Right-aligned extension
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FixedHash<12> d = FixedHash<12>(FixedHash<8>("1122334455667788"), FixedHash<12>::AlignRight);
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BOOST_CHECK_EQUAL(d.size, 12);
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BOOST_CHECK_EQUAL(d.hex(), "000000001122334455667788");
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// FailIfDifferent setting
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// TODO: Shouldn't this throw?
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FixedHash<12> e = FixedHash<12>(FixedHash<8>("1122334455667788"), FixedHash<12>::FailIfDifferent);
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BOOST_CHECK_EQUAL(e, c);
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}
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BOOST_AUTO_TEST_CASE(arith_constructor)
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{
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FixedHash<32> b(u256(0x12340000));
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BOOST_CHECK_EQUAL(
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b.hex(),
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"0000000000000000000000000000000000000000000000000000000012340000"
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);
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// NOTE: size-mismatched constructor is not available
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}
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BOOST_AUTO_TEST_CASE(to_arith)
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{
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FixedHash<32> b("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");
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BOOST_CHECK_EQUAL(u256(b), u256("0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"));
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}
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BOOST_AUTO_TEST_CASE(comparison)
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{
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FixedHash<32> a("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");
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FixedHash<32> b("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");
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FixedHash<32> c("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a471");
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FixedHash<32> d("233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470c5d2460186f7");
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BOOST_CHECK(a == a);
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BOOST_CHECK(b == b);
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BOOST_CHECK(a == b);
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BOOST_CHECK(b == a);
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BOOST_CHECK(a != c);
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BOOST_CHECK(c != a);
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BOOST_CHECK(a != d);
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BOOST_CHECK(d != a);
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// Only equal size comparison is supported.
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BOOST_CHECK(FixedHash<8>{} == FixedHash<8>{});
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BOOST_CHECK(FixedHash<32>{} != b);
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// Only equal size less than comparison is supported.
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BOOST_CHECK(!(a < b));
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BOOST_CHECK(d < c);
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BOOST_CHECK(FixedHash<32>{} < a);
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}
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BOOST_AUTO_TEST_CASE(indexing)
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{
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// NOTE: uses std::array, so "Accessing a nonexistent element through this operator is undefined behavior."
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FixedHash<32> a("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");
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BOOST_CHECK_EQUAL(a[0], 0xc5);
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BOOST_CHECK_EQUAL(a[1], 0xd2);
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BOOST_CHECK_EQUAL(a[31], 0x70);
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a[0] = 0xff;
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a[31] = 0x54;
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BOOST_CHECK_EQUAL(a[0], 0xff);
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BOOST_CHECK_EQUAL(a[1], 0xd2);
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BOOST_CHECK_EQUAL(a[31], 0x54);
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}
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BOOST_AUTO_TEST_CASE(misc)
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{
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FixedHash<32> a("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470");
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uint8_t* mut_a = a.data();
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uint8_t const* const_a = a.data();
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BOOST_CHECK_EQUAL(mut_a, const_a);
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BOOST_CHECK_EQUAL(memcmp(mut_a, const_a, a.size), 0);
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bytes bytes_a = a.asBytes();
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bytesRef bytesref_a = a.ref();
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bytesConstRef bytesconstref_a = a.ref();
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// There's no printing for bytesRef/bytesConstRef
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BOOST_CHECK(bytes(a.data(), a.data() + a.size) == bytes_a);
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BOOST_CHECK(bytesRef(a.data(), a.size) == bytesref_a);
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BOOST_CHECK(bytesConstRef(a.data(), a.size) == bytesconstref_a);
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}
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BOOST_AUTO_TEST_CASE(tostream)
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{
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std::ostringstream out;
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out << FixedHash<4>("44114411");
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out << FixedHash<32>{};
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out << FixedHash<2>("f77f");
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out << FixedHash<1>("1");
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BOOST_CHECK_EQUAL(out.str(), "441144110000000000000000000000000000000000000000000000000000000000000000f77f01");
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}
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BOOST_AUTO_TEST_SUITE_END()
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}
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