/*
This file is part of solidity.
solidity 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.
solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @author Christian <c@ethdev.com>
* @date 2015
* Unit tests for the type system of Solidity.
*/
#include <libsolidity/ast/Types.h>
#include <libsolidity/ast/AST.h>
#include <libdevcore/Keccak256.h>
#include <boost/test/unit_test.hpp>
using namespace std;
using namespace langutil;
namespace dev
{
namespace solidity
{
namespace test
{
BOOST_AUTO_TEST_SUITE(SolidityTypes)
BOOST_AUTO_TEST_CASE(int_types)
{
BOOST_CHECK(*Type::fromElementaryTypeName(ElementaryTypeNameToken(Token::Int, 0, 0)) == *make_shared<IntegerType>(256, IntegerType::Modifier::Signed));
for (unsigned i = 8; i <= 256; i += 8)
BOOST_CHECK(*Type::fromElementaryTypeName(ElementaryTypeNameToken(Token::IntM, i, 0)) == *make_shared<IntegerType>(i, IntegerType::Modifier::Signed));
}
BOOST_AUTO_TEST_CASE(uint_types)
{
BOOST_CHECK(*Type::fromElementaryTypeName(ElementaryTypeNameToken(Token::UInt, 0, 0)) == *make_shared<IntegerType>(256, IntegerType::Modifier::Unsigned));
for (unsigned i = 8; i <= 256; i += 8)
BOOST_CHECK(*Type::fromElementaryTypeName(ElementaryTypeNameToken(Token::UIntM, i, 0)) == *make_shared<IntegerType>(i, IntegerType::Modifier::Unsigned));
}
BOOST_AUTO_TEST_CASE(byte_types)
{
BOOST_CHECK(*Type::fromElementaryTypeName(ElementaryTypeNameToken(Token::Byte, 0, 0)) == *make_shared<FixedBytesType>(1));
for (unsigned i = 1; i <= 32; i++)
BOOST_CHECK(*Type::fromElementaryTypeName(ElementaryTypeNameToken(Token::BytesM, i, 0)) == *make_shared<FixedBytesType>(i));
}
BOOST_AUTO_TEST_CASE(fixed_types)
{
BOOST_CHECK(*Type::fromElementaryTypeName(ElementaryTypeNameToken(Token::Fixed, 0, 0)) == *make_shared<FixedPointType>(128, 18, FixedPointType::Modifier::Signed));
for (unsigned i = 8; i <= 256; i += 8)
{
BOOST_CHECK(*Type::fromElementaryTypeName(ElementaryTypeNameToken(Token::FixedMxN, i, 0)) == *make_shared<FixedPointType>(i, 0, FixedPointType::Modifier::Signed));
BOOST_CHECK(*Type::fromElementaryTypeName(ElementaryTypeNameToken(Token::FixedMxN, i, 2)) == *make_shared<FixedPointType>(i, 2, FixedPointType::Modifier::Signed));
}
}
BOOST_AUTO_TEST_CASE(ufixed_types)
{
BOOST_CHECK(*Type::fromElementaryTypeName(ElementaryTypeNameToken(Token::UFixed, 0, 0)) == *make_shared<FixedPointType>(128, 18, FixedPointType::Modifier::Unsigned));
for (unsigned i = 8; i <= 256; i += 8)
{
BOOST_CHECK(*Type::fromElementaryTypeName(ElementaryTypeNameToken(Token::UFixedMxN, i, 0)) == *make_shared<FixedPointType>(i, 0, FixedPointType::Modifier::Unsigned));
BOOST_CHECK(*Type::fromElementaryTypeName(ElementaryTypeNameToken(Token::UFixedMxN, i, 2)) == *make_shared<FixedPointType>(i, 2, FixedPointType::Modifier::Unsigned));
}
}
BOOST_AUTO_TEST_CASE(storage_layout_simple)
{
MemberList members(MemberList::MemberMap({
{string("first"), Type::fromElementaryTypeName("uint128")},
{string("second"), Type::fromElementaryTypeName("uint120")},
{string("wraps"), Type::fromElementaryTypeName("uint16")}
}));
BOOST_REQUIRE_EQUAL(u256(2), members.storageSize());
BOOST_REQUIRE(members.memberStorageOffset("first") != nullptr);
BOOST_REQUIRE(members.memberStorageOffset("second") != nullptr);
BOOST_REQUIRE(members.memberStorageOffset("wraps") != nullptr);
BOOST_CHECK(*members.memberStorageOffset("first") == make_pair(u256(0), unsigned(0)));
BOOST_CHECK(*members.memberStorageOffset("second") == make_pair(u256(0), unsigned(16)));
BOOST_CHECK(*members.memberStorageOffset("wraps") == make_pair(u256(1), unsigned(0)));
}
BOOST_AUTO_TEST_CASE(storage_layout_mapping)
{
MemberList members(MemberList::MemberMap({
{string("first"), Type::fromElementaryTypeName("uint128")},
{string("second"), make_shared<MappingType>(
Type::fromElementaryTypeName("uint8"),
Type::fromElementaryTypeName("uint8")
)},
{string("third"), Type::fromElementaryTypeName("uint16")},
{string("final"), make_shared<MappingType>(
Type::fromElementaryTypeName("uint8"),
Type::fromElementaryTypeName("uint8")
)},
}));
BOOST_REQUIRE_EQUAL(u256(4), members.storageSize());
BOOST_REQUIRE(members.memberStorageOffset("first") != nullptr);
BOOST_REQUIRE(members.memberStorageOffset("second") != nullptr);
BOOST_REQUIRE(members.memberStorageOffset("third") != nullptr);
BOOST_REQUIRE(members.memberStorageOffset("final") != nullptr);
BOOST_CHECK(*members.memberStorageOffset("first") == make_pair(u256(0), unsigned(0)));
BOOST_CHECK(*members.memberStorageOffset("second") == make_pair(u256(1), unsigned(0)));
BOOST_CHECK(*members.memberStorageOffset("third") == make_pair(u256(2), unsigned(0)));
BOOST_CHECK(*members.memberStorageOffset("final") == make_pair(u256(3), unsigned(0)));
}
BOOST_AUTO_TEST_CASE(storage_layout_arrays)
{
BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(1), 32).storageSize() == 1);
BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(1), 33).storageSize() == 2);
BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(2), 31).storageSize() == 2);
BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(7), 8).storageSize() == 2);
BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(7), 9).storageSize() == 3);
BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(31), 9).storageSize() == 9);
BOOST_CHECK(ArrayType(DataLocation::Storage, make_shared<FixedBytesType>(32), 9).storageSize() == 9);
}
BOOST_AUTO_TEST_CASE(type_identifier_escaping)
{
BOOST_CHECK_EQUAL(Type::escapeIdentifier("("), "$_");
BOOST_CHECK_EQUAL(Type::escapeIdentifier(")"), "_$");
BOOST_CHECK_EQUAL(Type::escapeIdentifier(","), "_$_");
BOOST_CHECK_EQUAL(Type::escapeIdentifier("$"), "$$$");
BOOST_CHECK_EQUAL(Type::escapeIdentifier(")$("), "_$$$$$_");
BOOST_CHECK_EQUAL(Type::escapeIdentifier("()"), "$__$");
BOOST_CHECK_EQUAL(Type::escapeIdentifier("(,)"), "$__$__$");
BOOST_CHECK_EQUAL(Type::escapeIdentifier("(,$,)"), "$__$_$$$_$__$");
BOOST_CHECK_EQUAL(
Type::escapeIdentifier("((__(_$_$$,__($$,,,$$),$,,,)))$$,$$"),
"$_$___$__$$$_$$$$$$_$___$_$$$$$$_$__$__$_$$$$$$_$_$_$$$_$__$__$__$_$_$$$$$$$_$_$$$$$$"
);
}
BOOST_AUTO_TEST_CASE(type_identifiers)
{
ASTNode::resetID();
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("uint128")->identifier(), "t_uint128");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("int128")->identifier(), "t_int128");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("address")->identifier(), "t_address");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("uint8")->identifier(), "t_uint8");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("ufixed64x2")->identifier(), "t_ufixed64x2");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("fixed128x8")->identifier(), "t_fixed128x8");
BOOST_CHECK_EQUAL(RationalNumberType(rational(7, 1)).identifier(), "t_rational_7_by_1");
BOOST_CHECK_EQUAL(RationalNumberType(rational(200, 77)).identifier(), "t_rational_200_by_77");
BOOST_CHECK_EQUAL(RationalNumberType(rational(2 * 200, 2 * 77)).identifier(), "t_rational_200_by_77");
BOOST_CHECK_EQUAL(RationalNumberType(rational(-2 * 200, 2 * 77)).identifier(), "t_rational_minus_200_by_77");
BOOST_CHECK_EQUAL(
StringLiteralType(Literal(SourceLocation{}, Token::StringLiteral, make_shared<string>("abc - def"))).identifier(),
"t_stringliteral_196a9142ee0d40e274a6482393c762b16dd8315713207365e1e13d8d85b74fc4"
);
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("byte")->identifier(), "t_bytes1");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("bytes8")->identifier(), "t_bytes8");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("bytes32")->identifier(), "t_bytes32");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("bool")->identifier(), "t_bool");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("bytes")->identifier(), "t_bytes_storage_ptr");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("bytes memory")->identifier(), "t_bytes_memory_ptr");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("bytes storage")->identifier(), "t_bytes_storage_ptr");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("bytes calldata")->identifier(), "t_bytes_calldata_ptr");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("string")->identifier(), "t_string_storage_ptr");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("string memory")->identifier(), "t_string_memory_ptr");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("string storage")->identifier(), "t_string_storage_ptr");
BOOST_CHECK_EQUAL(Type::fromElementaryTypeName("string calldata")->identifier(), "t_string_calldata_ptr");
ArrayType largeintArray(DataLocation::Memory, Type::fromElementaryTypeName("int128"), u256("2535301200456458802993406410752"));
BOOST_CHECK_EQUAL(largeintArray.identifier(), "t_array$_t_int128_$2535301200456458802993406410752_memory_ptr");
TypePointer stringArray = make_shared<ArrayType>(DataLocation::Storage, Type::fromElementaryTypeName("string"), u256("20"));
TypePointer multiArray = make_shared<ArrayType>(DataLocation::Storage, stringArray);
BOOST_CHECK_EQUAL(multiArray->identifier(), "t_array$_t_array$_t_string_storage_$20_storage_$dyn_storage_ptr");
ContractDefinition c(SourceLocation{}, make_shared<string>("MyContract$"), {}, {}, {}, ContractDefinition::ContractKind::Contract);
BOOST_CHECK_EQUAL(c.type()->identifier(), "t_type$_t_contract$_MyContract$$$_$2_$");
BOOST_CHECK_EQUAL(ContractType(c, true).identifier(), "t_super$_MyContract$$$_$2");
StructDefinition s({}, make_shared<string>("Struct"), {});
BOOST_CHECK_EQUAL(s.type()->identifier(), "t_type$_t_struct$_Struct_$3_storage_ptr_$");
EnumDefinition e({}, make_shared<string>("Enum"), {});
BOOST_CHECK_EQUAL(e.type()->identifier(), "t_type$_t_enum$_Enum_$4_$");
TupleType t({e.type(), s.type(), stringArray, nullptr});
BOOST_CHECK_EQUAL(t.identifier(), "t_tuple$_t_type$_t_enum$_Enum_$4_$_$_t_type$_t_struct$_Struct_$3_storage_ptr_$_$_t_array$_t_string_storage_$20_storage_ptr_$__$");
TypePointer keccak256fun = make_shared<FunctionType>(strings{}, strings{}, FunctionType::Kind::KECCAK256);
BOOST_CHECK_EQUAL(keccak256fun->identifier(), "t_function_keccak256_nonpayable$__$returns$__$");
FunctionType metaFun(TypePointers{keccak256fun}, TypePointers{s.type()});
BOOST_CHECK_EQUAL(metaFun.identifier(), "t_function_internal_nonpayable$_t_function_keccak256_nonpayable$__$returns$__$_$returns$_t_type$_t_struct$_Struct_$3_storage_ptr_$_$");
TypePointer m = make_shared<MappingType>(Type::fromElementaryTypeName("bytes32"), s.type());
MappingType m2(Type::fromElementaryTypeName("uint64"), m);
BOOST_CHECK_EQUAL(m2.identifier(), "t_mapping$_t_uint64_$_t_mapping$_t_bytes32_$_t_type$_t_struct$_Struct_$3_storage_ptr_$_$_$");
// TypeType is tested with contract
auto emptyParams = make_shared<ParameterList>(SourceLocation(), std::vector<ASTPointer<VariableDeclaration>>());
ModifierDefinition mod(SourceLocation{}, make_shared<string>("modif"), {}, emptyParams, {});
BOOST_CHECK_EQUAL(ModifierType(mod).identifier(), "t_modifier$__$");
SourceUnit su({}, {});
BOOST_CHECK_EQUAL(ModuleType(su).identifier(), "t_module_7");
BOOST_CHECK_EQUAL(MagicType(MagicType::Kind::Block).identifier(), "t_magic_block");
BOOST_CHECK_EQUAL(MagicType(MagicType::Kind::Message).identifier(), "t_magic_message");
BOOST_CHECK_EQUAL(MagicType(MagicType::Kind::Transaction).identifier(), "t_magic_transaction");
BOOST_CHECK_EQUAL(InaccessibleDynamicType().identifier(), "t_inaccessible");
}
BOOST_AUTO_TEST_SUITE_END()
}
}
}
