/*
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 .
*/
/**
* @author Christian
* @date 2016
* Unit tests for inline assembly.
*/
#include
#include
#include
#include
#include
#include
#include
#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(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);
}
void parsePrintCompare(string const& _source)
{
assembly::InlineAssemblyStack stack;
BOOST_REQUIRE(stack.parse(std::make_shared(CharStream(_source))));
BOOST_REQUIRE(stack.errors().empty());
BOOST_CHECK_EQUAL(stack.toString(), _source);
}
}
BOOST_AUTO_TEST_SUITE(SolidityInlineAssembly)
BOOST_AUTO_TEST_SUITE(Parsing)
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(function_definitions)
{
BOOST_CHECK(successParse("{ function f() { } function g(a) -> (x) { } }"));
}
BOOST_AUTO_TEST_CASE(function_definitions_multiple_args)
{
BOOST_CHECK(successParse("{ function f(a, d) { } function g(a, d) -> (x, y) { } }"));
}
BOOST_AUTO_TEST_CASE(function_calls)
{
BOOST_CHECK(successParse("{ g(1, 2, f(mul(2, 3))) x() }"));
}
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE(Printing)
BOOST_AUTO_TEST_CASE(print_smoke)
{
parsePrintCompare("{\n}");
}
BOOST_AUTO_TEST_CASE(print_instructions)
{
parsePrintCompare("{\n 7\n 8\n mul\n dup10\n add\n}");
}
BOOST_AUTO_TEST_CASE(print_subblock)
{
parsePrintCompare("{\n {\n dup4\n add\n }\n}");
}
BOOST_AUTO_TEST_CASE(print_functional)
{
parsePrintCompare("{\n mul(sload(0x12), 7)\n}");
}
BOOST_AUTO_TEST_CASE(print_label)
{
parsePrintCompare("{\n loop:\n jump(loop)\n}");
}
BOOST_AUTO_TEST_CASE(print_assignments)
{
parsePrintCompare("{\n let x := mul(2, 3)\n 7\n =: x\n x := add(1, 2)\n}");
}
BOOST_AUTO_TEST_CASE(print_string_literals)
{
parsePrintCompare("{\n \"\\n'\\xab\\x95\\\"\"\n}");
}
BOOST_AUTO_TEST_CASE(print_string_literal_unicode)
{
string source = "{ \"\\u1bac\" }";
string parsed = "{\n \"\\xe1\\xae\\xac\"\n}";
assembly::InlineAssemblyStack stack;
BOOST_REQUIRE(stack.parse(std::make_shared(CharStream(source))));
BOOST_REQUIRE(stack.errors().empty());
BOOST_CHECK_EQUAL(stack.toString(), parsed);
parsePrintCompare(parsed);
}
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE(Analysis)
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()
BOOST_AUTO_TEST_SUITE_END()
}
}
} // end namespaces