solidity/test/libsolidity/SolidityParser.cpp
2018-03-02 10:45:28 +01:00

1759 lines
35 KiB
C++

/*
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 2014
* Unit tests for the solidity parser.
*/
#include <string>
#include <memory>
#include <libsolidity/parsing/Scanner.h>
#include <libsolidity/parsing/Parser.h>
#include <libsolidity/interface/ErrorReporter.h>
#include "../TestHelper.h"
#include "ErrorCheck.h"
using namespace std;
namespace dev
{
namespace solidity
{
namespace test
{
namespace
{
ASTPointer<ContractDefinition> parseText(std::string const& _source, ErrorList& _errors)
{
ErrorReporter errorReporter(_errors);
ASTPointer<SourceUnit> sourceUnit = Parser(errorReporter).parse(std::make_shared<Scanner>(CharStream(_source)));
if (!sourceUnit)
return ASTPointer<ContractDefinition>();
for (ASTPointer<ASTNode> const& node: sourceUnit->nodes())
if (ASTPointer<ContractDefinition> contract = dynamic_pointer_cast<ContractDefinition>(node))
return contract;
BOOST_FAIL("No contract found in source.");
return ASTPointer<ContractDefinition>();
}
bool successParse(std::string const& _source)
{
ErrorList errors;
try
{
auto sourceUnit = parseText(_source, errors);
if (!sourceUnit)
return false;
}
catch (FatalError const& /*_exception*/)
{
if (Error::containsErrorOfType(errors, Error::Type::ParserError))
return false;
}
if (Error::containsErrorOfType(errors, Error::Type::ParserError))
return false;
BOOST_CHECK(Error::containsOnlyWarnings(errors));
return true;
}
Error getError(std::string const& _source)
{
ErrorList errors;
try
{
parseText(_source, errors);
}
catch (FatalError const& /*_exception*/)
{
// no-op
}
Error const* error = Error::containsErrorOfType(errors, Error::Type::ParserError);
BOOST_REQUIRE(error);
return *error;
}
void checkFunctionNatspec(
FunctionDefinition const* _function,
std::string const& _expectedDoc
)
{
auto doc = _function->documentation();
BOOST_CHECK_MESSAGE(doc != nullptr, "Function does not have Natspec Doc as expected");
BOOST_CHECK_EQUAL(*doc, _expectedDoc);
}
}
#define CHECK_PARSE_ERROR(source, substring) \
do \
{\
Error err = getError((source)); \
BOOST_CHECK(searchErrorMessage(err, (substring))); \
}\
while(0)
BOOST_AUTO_TEST_SUITE(SolidityParser)
BOOST_AUTO_TEST_CASE(smoke_test)
{
char const* text = R"(
contract test {
uint256 stateVariable1;
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(missing_variable_name_in_declaration)
{
char const* text = R"(
contract test {
uint256 ;
}
)";
CHECK_PARSE_ERROR(text, "Expected identifier");
}
BOOST_AUTO_TEST_CASE(empty_function)
{
char const* text = R"(
contract test {
uint256 stateVar;
function functionName(bytes20 arg1, address addr) constant
returns (int id)
{ }
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(no_function_params)
{
char const* text = R"(
contract test {
uint256 stateVar;
function functionName() {}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(single_function_param)
{
char const* text = R"(
contract test {
uint256 stateVar;
function functionName(bytes32 input) returns (bytes32 out) {}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(single_function_param_trailing_comma)
{
char const* text = R"(
contract test {
function(uint a,) {}
}
)";
CHECK_PARSE_ERROR(text, "Unexpected trailing comma in parameter list.");
}
BOOST_AUTO_TEST_CASE(single_return_param_trailing_comma)
{
char const* text = R"(
contract test {
function() returns (uint a,) {}
}
)";
CHECK_PARSE_ERROR(text, "Unexpected trailing comma in parameter list.");
}
BOOST_AUTO_TEST_CASE(single_modifier_arg_trailing_comma)
{
char const* text = R"(
contract test {
modifier modTest(uint a,) { _; }
function(uint a) {}
}
)";
CHECK_PARSE_ERROR(text, "Unexpected trailing comma in parameter list.");
}
BOOST_AUTO_TEST_CASE(single_event_arg_trailing_comma)
{
char const* text = R"(
contract test {
event Test(uint a,);
function(uint a) {}
}
)";
CHECK_PARSE_ERROR(text, "Unexpected trailing comma in parameter list.");
}
BOOST_AUTO_TEST_CASE(multiple_function_param_trailing_comma)
{
char const* text = R"(
contract test {
function(uint a, uint b,) {}
}
)";
CHECK_PARSE_ERROR(text, "Unexpected trailing comma in parameter list.");
}
BOOST_AUTO_TEST_CASE(multiple_return_param_trailing_comma)
{
char const* text = R"(
contract test {
function() returns (uint a, uint b,) {}
}
)";
CHECK_PARSE_ERROR(text, "Unexpected trailing comma in parameter list.");
}
BOOST_AUTO_TEST_CASE(multiple_modifier_arg_trailing_comma)
{
char const* text = R"(
contract test {
modifier modTest(uint a, uint b,) { _; }
function(uint a) {}
}
)";
CHECK_PARSE_ERROR(text, "Unexpected trailing comma in parameter list.");
}
BOOST_AUTO_TEST_CASE(multiple_event_arg_trailing_comma)
{
char const* text = R"(
contract test {
event Test(uint a, uint b,);
function(uint a) {}
}
)";
CHECK_PARSE_ERROR(text, "Unexpected trailing comma in parameter list.");
}
BOOST_AUTO_TEST_CASE(function_no_body)
{
char const* text = R"(
contract test {
function functionName(bytes32 input) returns (bytes32 out);
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(missing_parameter_name_in_named_args)
{
char const* text = R"(
contract test {
function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }
function b() returns (uint r) { r = a({: 1, : 2, : 3}); }
}
)";
CHECK_PARSE_ERROR(text, "Expected identifier");
}
BOOST_AUTO_TEST_CASE(missing_argument_in_named_args)
{
char const* text = R"(
contract test {
function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }
function b() returns (uint r) { r = a({a: , b: , c: }); }
}
)";
CHECK_PARSE_ERROR(text, "Expected primary expression");
}
BOOST_AUTO_TEST_CASE(trailing_comma_in_named_args)
{
char const* text = R"(
contract test {
function a(uint a, uint b, uint c) returns (uint r) { r = a * 100 + b * 10 + c * 1; }
function b() returns (uint r) { r = a({a: 1, b: 2, c: 3, }); }
}
)";
CHECK_PARSE_ERROR(text, "Unexpected trailing comma");
}
BOOST_AUTO_TEST_CASE(two_exact_functions)
{
char const* text = R"(
contract test {
function fun(uint a) returns(uint r) { return a; }
function fun(uint a) returns(uint r) { return a; }
}
)";
// with support of overloaded functions, during parsing,
// we can't determine whether they match exactly, however
// it will throw DeclarationError in following stage.
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(overloaded_functions)
{
char const* text = R"(
contract test {
function fun(uint a) returns(uint r) { return a; }
function fun(uint a, uint b) returns(uint r) { return a + b; }
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(function_natspec_documentation)
{
char const* text = R"(
contract test {
uint256 stateVar;
/// This is a test function
function functionName(bytes32 input) returns (bytes32 out) {}
}
)";
BOOST_CHECK(successParse(text));
ErrorList errors;
ASTPointer<ContractDefinition> contract = parseText(text, errors);
FunctionDefinition const* function = nullptr;
auto functions = contract->definedFunctions();
BOOST_REQUIRE_MESSAGE(function = functions.at(0), "Failed to retrieve function");
checkFunctionNatspec(function, "This is a test function");
}
BOOST_AUTO_TEST_CASE(function_normal_comments)
{
FunctionDefinition const* function = nullptr;
char const* text = R"(
contract test {
uint256 stateVar;
// We won't see this comment
function functionName(bytes32 input) returns (bytes32 out) {}
}
)";
BOOST_CHECK(successParse(text));
ErrorList errors;
ASTPointer<ContractDefinition> contract = parseText(text, errors);
auto functions = contract->definedFunctions();
BOOST_REQUIRE_MESSAGE(function = functions.at(0), "Failed to retrieve function");
BOOST_CHECK_MESSAGE(function->documentation() == nullptr,
"Should not have gotten a Natspecc comment for this function");
}
BOOST_AUTO_TEST_CASE(multiple_functions_natspec_documentation)
{
FunctionDefinition const* function = nullptr;
char const* text = R"(
contract test {
uint256 stateVar;
/// This is test function 1
function functionName1(bytes32 input) returns (bytes32 out) {}
/// This is test function 2
function functionName2(bytes32 input) returns (bytes32 out) {}
// nothing to see here
function functionName3(bytes32 input) returns (bytes32 out) {}
/// This is test function 4
function functionName4(bytes32 input) returns (bytes32 out) {}
}
)";
BOOST_CHECK(successParse(text));
ErrorList errors;
ASTPointer<ContractDefinition> contract = parseText(text, errors);
auto functions = contract->definedFunctions();
BOOST_REQUIRE_MESSAGE(function = functions.at(0), "Failed to retrieve function");
checkFunctionNatspec(function, "This is test function 1");
BOOST_REQUIRE_MESSAGE(function = functions.at(1), "Failed to retrieve function");
checkFunctionNatspec(function, "This is test function 2");
BOOST_REQUIRE_MESSAGE(function = functions.at(2), "Failed to retrieve function");
BOOST_CHECK_MESSAGE(function->documentation() == nullptr,
"Should not have gotten natspec comment for functionName3()");
BOOST_REQUIRE_MESSAGE(function = functions.at(3), "Failed to retrieve function");
checkFunctionNatspec(function, "This is test function 4");
}
BOOST_AUTO_TEST_CASE(multiline_function_documentation)
{
FunctionDefinition const* function = nullptr;
char const* text = R"(
contract test {
uint256 stateVar;
/// This is a test function
/// and it has 2 lines
function functionName1(bytes32 input) returns (bytes32 out) {}
}
)";
BOOST_CHECK(successParse(text));
ErrorList errors;
ASTPointer<ContractDefinition> contract = parseText(text, errors);
auto functions = contract->definedFunctions();
BOOST_REQUIRE_MESSAGE(function = functions.at(0), "Failed to retrieve function");
checkFunctionNatspec(function, "This is a test function\n"
" and it has 2 lines");
}
BOOST_AUTO_TEST_CASE(natspec_comment_in_function_body)
{
FunctionDefinition const* function = nullptr;
char const* text = R"(
contract test {
/// fun1 description
function fun1(uint256 a) {
var b;
/// I should not interfere with actual natspec comments
uint256 c;
mapping(address=>bytes32) d;
bytes7 name = "Solidity";
}
/// This is a test function
/// and it has 2 lines
function fun(bytes32 input) returns (bytes32 out) {}
}
)";
BOOST_CHECK(successParse(text));
ErrorList errors;
ASTPointer<ContractDefinition> contract = parseText(text, errors);
auto functions = contract->definedFunctions();
BOOST_REQUIRE_MESSAGE(function = functions.at(0), "Failed to retrieve function");
checkFunctionNatspec(function, "fun1 description");
BOOST_REQUIRE_MESSAGE(function = functions.at(1), "Failed to retrieve function");
checkFunctionNatspec(function, "This is a test function\n"
" and it has 2 lines");
}
BOOST_AUTO_TEST_CASE(natspec_docstring_between_keyword_and_signature)
{
FunctionDefinition const* function = nullptr;
char const* text = R"(
contract test {
uint256 stateVar;
function ///I am in the wrong place
fun1(uint256 a) {
var b;
/// I should not interfere with actual natspec comments
uint256 c;
mapping(address=>bytes32) d;
bytes7 name = "Solidity";
}
}
)";
BOOST_CHECK(successParse(text));
ErrorList errors;
ASTPointer<ContractDefinition> contract = parseText(text, errors);
auto functions = contract->definedFunctions();
BOOST_REQUIRE_MESSAGE(function = functions.at(0), "Failed to retrieve function");
BOOST_CHECK_MESSAGE(!function->documentation(),
"Shouldn't get natspec docstring for this function");
}
BOOST_AUTO_TEST_CASE(natspec_docstring_after_signature)
{
FunctionDefinition const* function = nullptr;
char const* text = R"(
contract test {
uint256 stateVar;
function fun1(uint256 a) {
/// I should have been above the function signature
var b;
/// I should not interfere with actual natspec comments
uint256 c;
mapping(address=>bytes32) d;
bytes7 name = "Solidity";
}
}
)";
BOOST_CHECK(successParse(text));
ErrorList errors;
ASTPointer<ContractDefinition> contract = parseText(text, errors);
auto functions = contract->definedFunctions();
BOOST_REQUIRE_MESSAGE(function = functions.at(0), "Failed to retrieve function");
BOOST_CHECK_MESSAGE(!function->documentation(),
"Shouldn't get natspec docstring for this function");
}
BOOST_AUTO_TEST_CASE(struct_definition)
{
char const* text = R"(
contract test {
uint256 stateVar;
struct MyStructName {
address addr;
uint256 count;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(mapping)
{
char const* text = R"(
contract test {
mapping(address => bytes32) names;
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(mapping_in_struct)
{
char const* text = R"(
contract test {
struct test_struct {
address addr;
uint256 count;
mapping(bytes32 => test_struct) self_reference;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(mapping_to_mapping_in_struct)
{
char const* text = R"(
contract test {
struct test_struct {
address addr;
mapping (uint64 => mapping (bytes32 => uint)) complex_mapping;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(variable_definition)
{
char const* text = R"(
contract test {
function fun(uint256 a) {
var b;
uint256 c;
mapping(address=>bytes32) d;
customtype varname;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(variable_definition_with_initialization)
{
char const* text = R"(
contract test {
function fun(uint256 a) {
var b = 2;
uint256 c = 0x87;
mapping(address=>bytes32) d;
bytes7 name = "Solidity";
customtype varname;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(variable_definition_in_function_parameter)
{
char const* text = R"(
contract test {
function fun(var a) {}
}
)";
CHECK_PARSE_ERROR(text, "Expected explicit type name");
}
BOOST_AUTO_TEST_CASE(variable_definition_in_mapping)
{
char const* text = R"(
contract test {
function fun() {
mapping(var=>bytes32) d;
}
}
)";
CHECK_PARSE_ERROR(text, "Expected elementary type name for mapping key type");
}
BOOST_AUTO_TEST_CASE(variable_definition_in_function_return)
{
char const* text = R"(
contract test {
function fun() returns(var d) {
return 1;
}
}
)";
CHECK_PARSE_ERROR(text, "Expected explicit type name");
}
BOOST_AUTO_TEST_CASE(operator_expression)
{
char const* text = R"(
contract test {
function fun(uint256 a) {
uint256 x = (1 + 4) || false && (1 - 12) + -9;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(complex_expression)
{
char const* text = R"(
contract test {
function fun(uint256 a) {
uint256 x = (1 + 4).member(++67)[a/=9] || true;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(exp_expression)
{
char const* text = R"(
contract test {
function fun(uint256 a) {
uint256 x = 3 ** a;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(while_loop)
{
char const* text = R"(
contract test {
function fun(uint256 a) {
while (true) { uint256 x = 1; break; continue; } x = 9;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(for_loop_vardef_initexpr)
{
char const* text = R"(
contract test {
function fun(uint256 a) {
for (uint256 i = 0; i < 10; i++) {
uint256 x = i; break; continue;
}
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(for_loop_simple_initexpr)
{
char const* text = R"(
contract test {
function fun(uint256 a) {
uint256 i =0;
for (i = 0; i < 10; i++) {
uint256 x = i; break; continue;
}
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(for_loop_simple_noexpr)
{
char const* text = R"(
contract test {
function fun(uint256 a) {
uint256 i =0;
for (;;) {
uint256 x = i; break; continue;
}
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(for_loop_single_stmt_body)
{
char const* text = R"(
contract test {
function fun(uint256 a) {
uint256 i = 0;
for (i = 0; i < 10; i++)
continue;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(if_statement)
{
char const* text = R"(
contract test {
function fun(uint256 a) {
if (a >= 8) { return 2; } else { var b = 7; }
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(else_if_statement)
{
char const* text = R"(
contract test {
function fun(uint256 a) returns (address b) {
if (a < 0) b = 0x67; else if (a == 0) b = 0x12; else b = 0x78;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(statement_starting_with_type_conversion)
{
char const* text = R"(
contract test {
function fun() {
uint64(2);
uint64[7](3);
uint64[](3);
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(type_conversion_to_dynamic_array)
{
char const* text = R"(
contract test {
function fun() {
var x = uint64[](3);
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(import_directive)
{
char const* text = R"(
import "abc";
contract test {
function fun() {
uint64(2);
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(multiple_contracts)
{
char const* text = R"(
contract test {
function fun() {
uint64(2);
}
}
contract test2 {
function fun() {
uint64(2);
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(multiple_contracts_and_imports)
{
char const* text = R"(
import "abc";
contract test {
function fun() {
uint64(2);
}
}
import "def";
contract test2 {
function fun() {
uint64(2);
}
}
import "ghi";
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(contract_inheritance)
{
char const* text = R"(
contract base {
function fun() {
uint64(2);
}
}
contract derived is base {
function fun() {
uint64(2);
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(contract_multiple_inheritance)
{
char const* text = R"(
contract base {
function fun() {
uint64(2);
}
}
contract derived is base, nonExisting {
function fun() {
uint64(2);
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(contract_multiple_inheritance_with_arguments)
{
char const* text = R"(
contract base {
function fun() {
uint64(2);
}
}
contract derived is base(2), nonExisting("abc", "def", base.fun()) {
function fun() {
uint64(2);
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(placeholder_in_function_context)
{
char const* text = R"(
contract c {
function fun() returns (uint r) {
var _ = 8;
return _ + 1;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(modifier)
{
char const* text = R"(
contract c {
modifier mod { if (msg.sender == 0) _; }
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(modifier_without_semicolon)
{
char const* text = R"(
contract c {
modifier mod { if (msg.sender == 0) _ }
}
)";
CHECK_PARSE_ERROR(text, "Expected token Semicolon got");
}
BOOST_AUTO_TEST_CASE(modifier_arguments)
{
char const* text = R"(
contract c {
modifier mod(address a) { if (msg.sender == a) _; }
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(modifier_invocation)
{
char const* text = R"(
contract c {
modifier mod1(uint a) { if (msg.sender == a) _; }
modifier mod2 { if (msg.sender == 2) _; }
function f() mod1(7) mod2 { }
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(fallback_function)
{
char const* text = R"(
contract c {
function() { }
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(event)
{
char const* text = R"(
contract c {
event e();
})";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(event_arguments)
{
char const* text = R"(
contract c {
event e(uint a, bytes32 s);
})";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(event_arguments_indexed)
{
char const* text = R"(
contract c {
event e(uint a, bytes32 indexed s, bool indexed b);
})";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(event_with_no_argument_list_fails)
{
char const* text = R"(
contract c {
event e;
}
)";
CHECK_PARSE_ERROR(text, "Expected token LParen got 'Semicolon'");
}
BOOST_AUTO_TEST_CASE(visibility_specifiers)
{
char const* text = R"(
contract c {
uint private a;
uint internal b;
uint public c;
uint d;
function f() {}
function f_priv() private {}
function f_public() public {}
function f_internal() internal {}
})";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(multiple_visibility_specifiers)
{
char const* text = R"(
contract c {
uint private internal a;
})";
CHECK_PARSE_ERROR(text, "Visibility already specified as \"private\".");
text = R"(
contract c {
function f() private external {}
})";
CHECK_PARSE_ERROR(text, "Visibility already specified as \"private\".");
}
BOOST_AUTO_TEST_CASE(multiple_statemutability_specifiers)
{
char const* text = R"(
contract c {
function f() payable payable {}
})";
CHECK_PARSE_ERROR(text, "State mutability already specified as \"payable\".");
text = R"(
contract c {
function f() constant constant {}
})";
CHECK_PARSE_ERROR(text, "State mutability already specified as \"view\".");
text = R"(
contract c {
function f() constant view {}
})";
CHECK_PARSE_ERROR(text, "State mutability already specified as \"view\".");
text = R"(
contract c {
function f() payable constant {}
})";
CHECK_PARSE_ERROR(text, "State mutability already specified as \"payable\".");
text = R"(
contract c {
function f() pure payable {}
})";
CHECK_PARSE_ERROR(text, "State mutability already specified as \"pure\".");
text = R"(
contract c {
function f() pure constant {}
})";
CHECK_PARSE_ERROR(text, "State mutability already specified as \"pure\".");
}
BOOST_AUTO_TEST_CASE(literal_constants_with_ether_subdenominations)
{
char const* text = R"(
contract c {
function c ()
{
a = 1 wei;
b = 2 szabo;
c = 3 finney;
b = 4 ether;
}
uint256 a;
uint256 b;
uint256 c;
uint256 d;
})";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(literal_constants_with_ether_subdenominations_in_expressions)
{
char const* text = R"(
contract c {
function c ()
{
a = 1 wei * 100 wei + 7 szabo - 3;
}
uint256 a;
})";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(enum_valid_declaration)
{
char const* text = R"(
contract c {
enum validEnum { Value1, Value2, Value3, Value4 }
function c ()
{
a = foo.Value3;
}
uint256 a;
})";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(empty_enum_declaration)
{
char const* text = R"(
contract c {
enum foo { }
})";
CHECK_PARSE_ERROR(text, "enum with no members is not allowed");
}
BOOST_AUTO_TEST_CASE(malformed_enum_declaration)
{
char const* text = R"(
contract c {
enum foo { WARNING,}
})";
CHECK_PARSE_ERROR(text, "Expected Identifier after");
}
BOOST_AUTO_TEST_CASE(external_function)
{
char const* text = R"(
contract c {
function x() external {}
})";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(external_variable)
{
char const* text = R"(
contract c {
uint external x;
})";
CHECK_PARSE_ERROR(text, "Expected identifier");
}
BOOST_AUTO_TEST_CASE(arrays_in_storage)
{
char const* text = R"(
contract c {
uint[10] a;
uint[] a2;
struct x { uint[2**20] b; y[0] c; }
struct y { uint d; mapping(uint=>x)[] e; }
})";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(arrays_in_events)
{
char const* text = R"(
contract c {
event e(uint[10] a, bytes7[8] indexed b, c[3] x);
})";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(arrays_in_expressions)
{
char const* text = R"(
contract c {
function f() { c[10] a = 7; uint8[10 * 2] x; }
})";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(multi_arrays)
{
char const* text = R"(
contract c {
mapping(uint => mapping(uint => int8)[8][][9])[] x;
})";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(constant_is_keyword)
{
char const* text = R"(
contract Foo {
uint constant = 4;
})";
CHECK_PARSE_ERROR(text, "Expected identifier");
}
BOOST_AUTO_TEST_CASE(keyword_is_reserved)
{
auto keywords = {
"abstract",
"after",
"case",
"catch",
"default",
"final",
"in",
"inline",
"let",
"match",
"null",
"of",
"relocatable",
"static",
"switch",
"try",
"type",
"typeof"
};
for (const auto& keyword: keywords)
{
auto text = std::string("contract ") + keyword + " {}";
CHECK_PARSE_ERROR(text.c_str(), "Expected identifier");
}
}
BOOST_AUTO_TEST_CASE(var_array)
{
char const* text = R"(
contract Foo {
function f() { var[] a; }
})";
CHECK_PARSE_ERROR(text, "Expected identifier");
}
BOOST_AUTO_TEST_CASE(location_specifiers_for_params)
{
char const* text = R"(
contract Foo {
function f(uint[] storage constant x, uint[] memory y) { }
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(location_specifiers_for_locals)
{
char const* text = R"(
contract Foo {
function f() {
uint[] storage x;
uint[] memory y;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(location_specifiers_for_state)
{
char const* text = R"(
contract Foo {
uint[] memory x;
})";
CHECK_PARSE_ERROR(text, "Expected identifier");
}
BOOST_AUTO_TEST_CASE(location_specifiers_with_var)
{
char const* text = R"(
contract Foo {
function f() { var memory x; }
})";
CHECK_PARSE_ERROR(text, "Location specifier needs explicit type name");
}
BOOST_AUTO_TEST_CASE(empty_comment)
{
char const* text = R"(
//
contract test
{}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(comment_end_with_double_star)
{
char const* text = R"(
contract C1 {
/**
**/
}
contract C2 {}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(library_simple)
{
char const* text = R"(
library Lib {
function f() { }
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(local_const_variable)
{
char const* text = R"(
contract Foo {
function localConst() returns (uint ret)
{
uint constant local = 4;
return local;
}
})";
CHECK_PARSE_ERROR(text, "Expected token Semicolon");
}
BOOST_AUTO_TEST_CASE(multi_variable_declaration)
{
char const* text = R"(
contract C {
function f() {
var (a,b,c) = g();
var (d) = 2;
var (,e) = 3;
var (f,) = 4;
var (x,,) = g();
var (,y,) = g();
var () = g();
var (,,) = g();
}
function g() returns (uint, uint, uint) {}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(tuples)
{
char const* text = R"(
contract C {
function f() {
uint a = (1);
var (b,) = (1,);
var (c,d) = (1, 2 + a);
var (e,) = (1, 2, b);
(a) = 3;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(tuples_without_commas)
{
char const* text = R"(
contract C {
function f() {
var a = (2 2);
}
}
)";
CHECK_PARSE_ERROR(text, "Expected token Comma");
}
BOOST_AUTO_TEST_CASE(member_access_parser_ambiguity)
{
char const* text = R"(
contract C {
struct S { uint a; uint b; uint[][][] c; }
function f() {
C.S x;
C.S memory y;
C.S[10] memory z;
C.S[10](x);
x.a = 2;
x.c[1][2][3] = 9;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(using_for)
{
char const* text = R"(
contract C {
struct s { uint a; }
using LibraryName for uint;
using Library2 for *;
using Lib for s;
function f() {
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(complex_import)
{
char const* text = R"(
import "abc" as x;
import * as x from "abc";
import {a as b, c as d, f} from "def";
contract x {}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(from_is_not_keyword)
{
// "from" is not a keyword although it is used as a keyword in import directives.
char const* text = R"(
contract from {
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(inline_array_declaration)
{
char const* text = R"(
contract c {
uint[] a;
function f() returns (uint, uint) {
a = [1,2,3];
return (a[3], [2,3,4][0]);
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(inline_array_empty_cells_check_lvalue)
{
char const* text = R"(
contract c {
uint[] a;
function f() returns (uint) {
a = [,2,3];
return (a[0]);
}
}
)";
CHECK_PARSE_ERROR(text, "Expected expression");
}
BOOST_AUTO_TEST_CASE(inline_array_empty_cells_check_without_lvalue)
{
char const* text = R"(
contract c {
uint[] a;
function f() returns (uint, uint) {
return ([3, ,4][0]);
}
}
)";
CHECK_PARSE_ERROR(text, "Expected expression");
}
BOOST_AUTO_TEST_CASE(conditional_true_false_literal)
{
char const* text = R"(
contract A {
function f() {
uint x = true ? 1 : 0;
uint y = false ? 0 : 1;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(conditional_with_constants)
{
char const* text = R"(
contract A {
function f() {
uint x = 3 > 0 ? 3 : 0;
uint y = (3 > 0) ? 3 : 0;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(conditional_with_variables)
{
char const* text = R"(
contract A {
function f() {
uint x = 3;
uint y = 1;
uint z = (x > y) ? x : y;
uint w = x > y ? x : y;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(conditional_multiple)
{
char const* text = R"(
contract A {
function f() {
uint x = 3 < 0 ? 2 > 1 ? 2 : 1 : 7 > 2 ? 7 : 6;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(conditional_with_assignment)
{
char const* text = R"(
contract A {
function f() {
uint y = 1;
uint x = 3 < 0 ? x = 3 : 6;
true ? x = 3 : 4;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(recursion_depth1)
{
string text("contract C { bytes");
for (size_t i = 0; i < 30000; i++)
text += "[";
CHECK_PARSE_ERROR(text.c_str(), "Maximum recursion depth reached during parsing");
}
BOOST_AUTO_TEST_CASE(recursion_depth2)
{
string text("contract C { function f() {");
for (size_t i = 0; i < 30000; i++)
text += "{";
CHECK_PARSE_ERROR(text, "Maximum recursion depth reached during parsing");
}
BOOST_AUTO_TEST_CASE(recursion_depth3)
{
string text("contract C { function f() { uint x = f(");
for (size_t i = 0; i < 30000; i++)
text += "(";
CHECK_PARSE_ERROR(text, "Maximum recursion depth reached during parsing");
}
BOOST_AUTO_TEST_CASE(recursion_depth4)
{
string text("contract C { function f() { uint a;");
for (size_t i = 0; i < 30000; i++)
text += "(";
text += "a";
for (size_t i = 0; i < 30000; i++)
text += "++)";
text += "}}";
CHECK_PARSE_ERROR(text, "Maximum recursion depth reached during parsing");
}
BOOST_AUTO_TEST_CASE(declaring_fixed_and_ufixed_variables)
{
char const* text = R"(
contract A {
fixed40x40 storeMe;
function f(ufixed x, fixed32x32 y) {
ufixed8x8 a;
fixed b;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(declaring_fixed_literal_variables)
{
char const* text = R"(
contract A {
fixed40x40 pi = 3.14;
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(no_double_radix_in_fixed_literal)
{
char const* text = R"(
contract A {
fixed40x40 pi = 3.14.15;
}
)";
CHECK_PARSE_ERROR(text, "Expected token Semicolon");
}
BOOST_AUTO_TEST_CASE(invalid_fixed_conversion_leading_zeroes_check)
{
char const* text = R"(
contract test {
function f() {
fixed a = 1.0x2;
}
}
)";
CHECK_PARSE_ERROR(text, "Expected primary expression");
}
BOOST_AUTO_TEST_CASE(payable_accessor)
{
char const* text = R"(
contract test {
uint payable x;
}
)";
CHECK_PARSE_ERROR(text, "Expected identifier");
}
BOOST_AUTO_TEST_CASE(function_type_in_expression)
{
char const* text = R"(
contract test {
function f(uint x, uint y) returns (uint a) {}
function g() {
function (uint, uint) internal returns (uint) f1 = f;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(function_type_as_storage_variable)
{
char const* text = R"(
contract test {
function (uint, uint) internal returns (uint) f1;
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(function_type_as_storage_variable_with_modifiers)
{
char const* text = R"(
contract test {
function (uint, uint) modifier1() returns (uint) f1;
}
)";
CHECK_PARSE_ERROR(text, "Expected token LBrace");
}
BOOST_AUTO_TEST_CASE(function_type_as_storage_variable_with_assignment)
{
char const* text = R"(
contract test {
function f(uint x, uint y) returns (uint a) {}
function (uint, uint) internal returns (uint) f1 = f;
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(function_type_in_struct)
{
char const* text = R"(
contract test {
struct S {
function (uint x, uint y) internal returns (uint a) f;
function (uint, uint) external returns (uint) g;
uint d;
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(function_type_as_parameter)
{
char const* text = R"(
contract test {
function f(function(uint) external returns (uint) g) internal returns (uint a) {
return g(1);
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(calling_function)
{
char const* text = R"(
contract test {
function f() {
function() returns(function() returns(function() returns(function() returns(uint)))) x;
uint y;
y = x()()()();
}
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(mapping_and_array_of_functions)
{
char const* text = R"(
contract test {
mapping (address => function() internal returns (uint)) a;
mapping (address => function() external) b;
mapping (address => function() external[]) c;
function() external[] d;
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(function_type_state_variable)
{
char const* text = R"(
contract test {
function() x;
function() y = x;
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(scientific_notation)
{
char const* text = R"(
contract test {
uint256 a = 2e10;
uint256 b = 2E10;
uint256 c = 200e-2;
uint256 d = 2E10 wei;
uint256 e = 2.5e10;
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(interface)
{
char const* text = R"(
interface Interface {
function f();
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(newInvalidTypeName)
{
char const* text = R"(
contract C {
function f() {
new var;
}
}
)";
CHECK_PARSE_ERROR(text, "Expected explicit type name");
}
BOOST_AUTO_TEST_CASE(emitWithoutEvent)
{
char const* text = R"(
contract C {
event A();
function f() {
emit A;
}
}
)";
CHECK_PARSE_ERROR(text, "Expected token LParen got 'Semicolon'");
}
BOOST_AUTO_TEST_SUITE_END()
}
}
} // end namespaces