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/*
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 2016
* Unit tests for inline assembly.
*/
#include <string>
#include <memory>
#include <libevmasm/Assembly.h>
#include <libsolidity/parsing/Scanner.h>
#include <libsolidity/inlineasm/AsmStack.h>
#include <libsolidity/interface/Exceptions.h>
#include <libsolidity/ast/AST.h>
#include "../TestHelper.h"
using namespace std;
namespace dev
{
namespace solidity
{
namespace test
{
namespace
{
bool successParse(std::string const& _source, bool _assemble = false, bool _allowWarnings = true)
{
assembly::InlineAssemblyStack stack;
try
{
if (!stack.parse(std::make_shared<Scanner>(CharStream(_source))))
return false;
if (_assemble)
{
stack.assemble();
if (!stack.errors().empty())
if (!_allowWarnings || !Error::containsOnlyWarnings(stack.errors()))
return false;
}
}
catch (FatalError const&)
{
if (Error::containsErrorOfType(stack.errors(), Error::Type::ParserError))
return false;
}
if (Error::containsErrorOfType(stack.errors(), Error::Type::ParserError))
return false;
BOOST_CHECK(Error::containsOnlyWarnings(stack.errors()));
return true;
}
bool successAssemble(string const& _source, bool _allowWarnings = true)
{
return successParse(_source, true, _allowWarnings);
}
}
BOOST_AUTO_TEST_SUITE(SolidityInlineAssembly)
BOOST_AUTO_TEST_CASE(smoke_test)
{
BOOST_CHECK(successParse("{ }"));
}
BOOST_AUTO_TEST_CASE(simple_instructions)
{
BOOST_CHECK(successParse("{ dup1 dup1 mul dup1 sub }"));
}
BOOST_AUTO_TEST_CASE(suicide_selfdestruct)
{
BOOST_CHECK(successParse("{ suicide selfdestruct }"));
}
BOOST_AUTO_TEST_CASE(keywords)
{
BOOST_CHECK(successParse("{ byte return address }"));
}
BOOST_AUTO_TEST_CASE(constants)
{
BOOST_CHECK(successParse("{ 7 8 mul }"));
}
BOOST_AUTO_TEST_CASE(vardecl)
{
BOOST_CHECK(successParse("{ let x := 7 }"));
}
BOOST_AUTO_TEST_CASE(assignment)
{
BOOST_CHECK(successParse("{ 7 8 add =: x }"));
}
BOOST_AUTO_TEST_CASE(label)
{
BOOST_CHECK(successParse("{ 7 abc: 8 eq abc jump }"));
}
BOOST_AUTO_TEST_CASE(label_complex)
{
BOOST_CHECK(successParse("{ 7 abc: 8 eq jump(abc) jumpi(eq(7, 8), abc) }"));
}
BOOST_AUTO_TEST_CASE(functional)
{
BOOST_CHECK(successParse("{ add(7, mul(6, x)) add mul(7, 8) }"));
}
BOOST_AUTO_TEST_CASE(functional_assignment)
{
BOOST_CHECK(successParse("{ x := 7 }"));
}
BOOST_AUTO_TEST_CASE(functional_assignment_complex)
{
BOOST_CHECK(successParse("{ x := add(7, mul(6, x)) add mul(7, 8) }"));
}
BOOST_AUTO_TEST_CASE(vardecl_complex)
{
BOOST_CHECK(successParse("{ let x := add(7, mul(6, x)) add mul(7, 8) }"));
}
BOOST_AUTO_TEST_CASE(blocks)
{
BOOST_CHECK(successParse("{ let x := 7 { let y := 3 } { let z := 2 } }"));
}
BOOST_AUTO_TEST_CASE(string_literals)
{
BOOST_CHECK(successAssemble("{ let x := \"12345678901234567890123456789012\" }"));
}
BOOST_AUTO_TEST_CASE(oversize_string_literals)
{
BOOST_CHECK(!successAssemble("{ let x := \"123456789012345678901234567890123\" }"));
}
BOOST_AUTO_TEST_CASE(assignment_after_tag)
{
BOOST_CHECK(successParse("{ let x := 1 { tag: =: x } }"));
}
BOOST_AUTO_TEST_CASE(magic_variables)
{
BOOST_CHECK(!successAssemble("{ this }"));
BOOST_CHECK(!successAssemble("{ ecrecover }"));
BOOST_CHECK(successAssemble("{ let ecrecover := 1 ecrecover }"));
}
BOOST_AUTO_TEST_CASE(imbalanced_stack)
{
BOOST_CHECK(successAssemble("{ 1 2 mul pop }", false));
BOOST_CHECK(!successAssemble("{ 1 }", false));
BOOST_CHECK(successAssemble("{ let x := 4 7 add }", false));
}
BOOST_AUTO_TEST_CASE(error_tag)
{
BOOST_CHECK(successAssemble("{ invalidJumpLabel }"));
}
BOOST_AUTO_TEST_CASE(designated_invalid_instruction)
{
BOOST_CHECK(successAssemble("{ invalid }"));
}
BOOST_AUTO_TEST_CASE(inline_assembly_shadowed_instruction_declaration)
{
// Error message: "Cannot use instruction names for identifier names."
BOOST_CHECK(!successAssemble("{ let gas := 1 }"));
}
BOOST_AUTO_TEST_CASE(inline_assembly_shadowed_instruction_assignment)
{
// Error message: "Identifier expected, got instruction name."
BOOST_CHECK(!successAssemble("{ 2 =: gas }"));
}
BOOST_AUTO_TEST_CASE(inline_assembly_shadowed_instruction_functional_assignment)
{
// Error message: "Cannot use instruction names for identifier names."
BOOST_CHECK(!successAssemble("{ gas := 2 }"));
}
BOOST_AUTO_TEST_CASE(revert)
{
BOOST_CHECK(successAssemble("{ revert(0, 0) }"));
}
BOOST_AUTO_TEST_SUITE_END()
}
}
} // end namespaces
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