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solidity/SolidityParser.cpp
Christian fe770957c6 Constructor arguments for base classes.
2015-01-19 23:35:04 +01:00

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/*
This file is part of cpp-ethereum.
cpp-ethereum 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.
cpp-ethereum 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 cpp-ethereum. 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 <libdevcore/Log.h>
#include <libsolidity/Scanner.h>
#include <libsolidity/Parser.h>
#include <libsolidity/Exceptions.h>
#include <boost/test/unit_test.hpp>
using namespace std;
namespace dev
{
namespace solidity
{
namespace test
{
namespace
{
ASTPointer<ContractDefinition> parseText(std::string const& _source)
{
Parser parser;
ASTPointer<SourceUnit> sourceUnit = parser.parse(std::make_shared<Scanner>(CharStream(_source)));
for (ASTPointer<ASTNode> const& node: sourceUnit->getNodes())
if (ASTPointer<ContractDefinition> contract = dynamic_pointer_cast<ContractDefinition>(node))
return contract;
BOOST_FAIL("No contract found in source.");
return ASTPointer<ContractDefinition>();
}
ASTPointer<ContractDefinition> parseTextExplainError(std::string const& _source)
{
try
{
return parseText(_source);
}
catch (Exception const& exception)
{
// LTODO: Print the error in a kind of a better way?
// In absence of CompilerStack we can't use SourceReferenceFormatter
cout << "Exception while parsing: " << diagnostic_information(exception);
// rethrow to signal test failure
throw exception;
}
}
}
BOOST_AUTO_TEST_SUITE(SolidityParser)
BOOST_AUTO_TEST_CASE(smoke_test)
{
char const* text = "contract test {\n"
" uint256 stateVariable1;\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(missing_variable_name_in_declaration)
{
char const* text = "contract test {\n"
" uint256 ;\n"
"}\n";
BOOST_CHECK_THROW(parseText(text), ParserError);
}
BOOST_AUTO_TEST_CASE(empty_function)
{
char const* text = "contract test {\n"
" uint256 stateVar;\n"
" function functionName(hash160 arg1, address addr) constant\n"
" returns (int id)\n"
" { }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(no_function_params)
{
char const* text = "contract test {\n"
" uint256 stateVar;\n"
" function functionName() {}\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(single_function_param)
{
char const* text = "contract test {\n"
" uint256 stateVar;\n"
" function functionName(hash hashin) returns (hash hashout) {}\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(function_natspec_documentation)
{
ASTPointer<ContractDefinition> contract;
ASTPointer<FunctionDefinition> function;
char const* text = "contract test {\n"
" uint256 stateVar;\n"
" /// This is a test function\n"
" function functionName(hash hashin) returns (hash hashout) {}\n"
"}\n";
BOOST_REQUIRE_NO_THROW(contract = parseText(text));
auto functions = contract->getDefinedFunctions();
BOOST_REQUIRE_NO_THROW(function = functions.at(0));
BOOST_CHECK_EQUAL(*function->getDocumentation(), "This is a test function");
}
BOOST_AUTO_TEST_CASE(function_normal_comments)
{
ASTPointer<ContractDefinition> contract;
ASTPointer<FunctionDefinition> function;
char const* text = "contract test {\n"
" uint256 stateVar;\n"
" // We won't see this comment\n"
" function functionName(hash hashin) returns (hash hashout) {}\n"
"}\n";
BOOST_REQUIRE_NO_THROW(contract = parseText(text));
auto functions = contract->getDefinedFunctions();
BOOST_REQUIRE_NO_THROW(function = functions.at(0));
BOOST_CHECK_MESSAGE(function->getDocumentation() == nullptr,
"Should not have gotten a Natspect comment for this function");
}
BOOST_AUTO_TEST_CASE(multiple_functions_natspec_documentation)
{
ASTPointer<ContractDefinition> contract;
ASTPointer<FunctionDefinition> function;
char const* text = "contract test {\n"
" uint256 stateVar;\n"
" /// This is test function 1\n"
" function functionName1(hash hashin) returns (hash hashout) {}\n"
" /// This is test function 2\n"
" function functionName2(hash hashin) returns (hash hashout) {}\n"
" // nothing to see here\n"
" function functionName3(hash hashin) returns (hash hashout) {}\n"
" /// This is test function 4\n"
" function functionName4(hash hashin) returns (hash hashout) {}\n"
"}\n";
BOOST_REQUIRE_NO_THROW(contract = parseText(text));
auto functions = contract->getDefinedFunctions();
BOOST_REQUIRE_NO_THROW(function = functions.at(0));
BOOST_CHECK_EQUAL(*function->getDocumentation(), "This is test function 1");
BOOST_REQUIRE_NO_THROW(function = functions.at(1));
BOOST_CHECK_EQUAL(*function->getDocumentation(), "This is test function 2");
BOOST_REQUIRE_NO_THROW(function = functions.at(2));
BOOST_CHECK_MESSAGE(function->getDocumentation() == nullptr,
"Should not have gotten natspec comment for functionName3()");
BOOST_REQUIRE_NO_THROW(function = functions.at(3));
BOOST_CHECK_EQUAL(*function->getDocumentation(), "This is test function 4");
}
BOOST_AUTO_TEST_CASE(multiline_function_documentation)
{
ASTPointer<ContractDefinition> contract;
ASTPointer<FunctionDefinition> function;
char const* text = "contract test {\n"
" uint256 stateVar;\n"
" /// This is a test function\n"
" /// and it has 2 lines\n"
" function functionName1(hash hashin) returns (hash hashout) {}\n"
"}\n";
BOOST_REQUIRE_NO_THROW(contract = parseText(text));
auto functions = contract->getDefinedFunctions();
BOOST_REQUIRE_NO_THROW(function = functions.at(0));
BOOST_CHECK_EQUAL(*function->getDocumentation(),
"This is a test function\n"
" and it has 2 lines");
}
BOOST_AUTO_TEST_CASE(natspec_comment_in_function_body)
{
ASTPointer<ContractDefinition> contract;
ASTPointer<FunctionDefinition> function;
char const* text = "contract test {\n"
" /// fun1 description\n"
" function fun1(uint256 a) {\n"
" var b;\n"
" /// I should not interfere with actual natspec comments\n"
" uint256 c;\n"
" mapping(address=>hash) d;\n"
" string name = \"Solidity\";"
" }\n"
" uint256 stateVar;\n"
" /// This is a test function\n"
" /// and it has 2 lines\n"
" function fun(hash hashin) returns (hash hashout) {}\n"
"}\n";
BOOST_REQUIRE_NO_THROW(contract = parseText(text));
auto functions = contract->getDefinedFunctions();
BOOST_REQUIRE_NO_THROW(function = functions.at(0));
BOOST_CHECK_EQUAL(*function->getDocumentation(), "fun1 description");
BOOST_REQUIRE_NO_THROW(function = functions.at(1));
BOOST_CHECK_EQUAL(*function->getDocumentation(),
"This is a test function\n"
" and it has 2 lines");
}
BOOST_AUTO_TEST_CASE(natspec_docstring_between_keyword_and_signature)
{
ASTPointer<ContractDefinition> contract;
ASTPointer<FunctionDefinition> function;
char const* text = "contract test {\n"
" uint256 stateVar;\n"
" function ///I am in the wrong place \n"
" fun1(uint256 a) {\n"
" var b;\n"
" /// I should not interfere with actual natspec comments\n"
" uint256 c;\n"
" mapping(address=>hash) d;\n"
" string name = \"Solidity\";"
" }\n"
"}\n";
BOOST_REQUIRE_NO_THROW(contract = parseText(text));
auto functions = contract->getDefinedFunctions();
BOOST_REQUIRE_NO_THROW(function = functions.at(0));
BOOST_CHECK_MESSAGE(!function->getDocumentation(),
"Shouldn't get natspec docstring for this function");
}
BOOST_AUTO_TEST_CASE(natspec_docstring_after_signature)
{
ASTPointer<ContractDefinition> contract;
ASTPointer<FunctionDefinition> function;
char const* text = "contract test {\n"
" uint256 stateVar;\n"
" function fun1(uint256 a) {\n"
" /// I should have been above the function signature\n"
" var b;\n"
" /// I should not interfere with actual natspec comments\n"
" uint256 c;\n"
" mapping(address=>hash) d;\n"
" string name = \"Solidity\";"
" }\n"
"}\n";
BOOST_REQUIRE_NO_THROW(contract = parseText(text));
auto functions = contract->getDefinedFunctions();
BOOST_REQUIRE_NO_THROW(function = functions.at(0));
BOOST_CHECK_MESSAGE(!function->getDocumentation(),
"Shouldn't get natspec docstring for this function");
}
BOOST_AUTO_TEST_CASE(struct_definition)
{
char const* text = "contract test {\n"
" uint256 stateVar;\n"
" struct MyStructName {\n"
" address addr;\n"
" uint256 count;\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(mapping)
{
char const* text = "contract test {\n"
" mapping(address => string) names;\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(mapping_in_struct)
{
char const* text = "contract test {\n"
" struct test_struct {\n"
" address addr;\n"
" uint256 count;\n"
" mapping(hash => test_struct) self_reference;\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(mapping_to_mapping_in_struct)
{
char const* text = "contract test {\n"
" struct test_struct {\n"
" address addr;\n"
" mapping (uint64 => mapping (hash => uint)) complex_mapping;\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(variable_definition)
{
char const* text = "contract test {\n"
" function fun(uint256 a) {\n"
" var b;\n"
" uint256 c;\n"
" mapping(address=>hash) d;\n"
" customtype varname;\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(variable_definition_with_initialization)
{
char const* text = "contract test {\n"
" function fun(uint256 a) {\n"
" var b = 2;\n"
" uint256 c = 0x87;\n"
" mapping(address=>hash) d;\n"
" string name = \"Solidity\";"
" customtype varname;\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(operator_expression)
{
char const* text = "contract test {\n"
" function fun(uint256 a) {\n"
" uint256 x = (1 + 4) || false && (1 - 12) + -9;\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(complex_expression)
{
char const* text = "contract test {\n"
" function fun(uint256 a) {\n"
" uint256 x = (1 + 4).member(++67)[a/=9] || true;\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(while_loop)
{
char const* text = "contract test {\n"
" function fun(uint256 a) {\n"
" while (true) { uint256 x = 1; break; continue; } x = 9;\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(for_loop_vardef_initexpr)
{
char const* text = "contract test {\n"
" function fun(uint256 a) {\n"
" for (uint256 i = 0; i < 10; i++)\n"
" { uint256 x = i; break; continue; }\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseTextExplainError(text));
}
BOOST_AUTO_TEST_CASE(for_loop_simple_initexpr)
{
char const* text = "contract test {\n"
" function fun(uint256 a) {\n"
" uint256 i =0;\n"
" for (i = 0; i < 10; i++)\n"
" { uint256 x = i; break; continue; }\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseTextExplainError(text));
}
BOOST_AUTO_TEST_CASE(for_loop_simple_noexpr)
{
char const* text = "contract test {\n"
" function fun(uint256 a) {\n"
" uint256 i =0;\n"
" for (;;)\n"
" { uint256 x = i; break; continue; }\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseTextExplainError(text));
}
BOOST_AUTO_TEST_CASE(for_loop_single_stmt_body)
{
char const* text = "contract test {\n"
" function fun(uint256 a) {\n"
" uint256 i =0;\n"
" for (i = 0; i < 10; i++)\n"
" continue;\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseTextExplainError(text));
}
BOOST_AUTO_TEST_CASE(if_statement)
{
char const* text = "contract test {\n"
" function fun(uint256 a) {\n"
" if (a >= 8) return 2; else { var b = 7; }\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(else_if_statement)
{
char const* text = "contract test {\n"
" function fun(uint256 a) returns (address b) {\n"
" if (a < 0) b = 0x67; else if (a == 0) b = 0x12; else b = 0x78;\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(statement_starting_with_type_conversion)
{
char const* text = "contract test {\n"
" function fun() {\n"
" uint64(2);\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(import_directive)
{
char const* text = "import \"abc\";\n"
"contract test {\n"
" function fun() {\n"
" uint64(2);\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(multiple_contracts)
{
char const* text = "contract test {\n"
" function fun() {\n"
" uint64(2);\n"
" }\n"
"}\n"
"contract test2 {\n"
" function fun() {\n"
" uint64(2);\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(multiple_contracts_and_imports)
{
char const* text = "import \"abc\";\n"
"contract test {\n"
" function fun() {\n"
" uint64(2);\n"
" }\n"
"}\n"
"import \"def\";\n"
"contract test2 {\n"
" function fun() {\n"
" uint64(2);\n"
" }\n"
"}\n"
"import \"ghi\";\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(contract_inheritance)
{
char const* text = "contract base {\n"
" function fun() {\n"
" uint64(2);\n"
" }\n"
"}\n"
"contract derived is base {\n"
" function fun() {\n"
" uint64(2);\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(contract_multiple_inheritance)
{
char const* text = "contract base {\n"
" function fun() {\n"
" uint64(2);\n"
" }\n"
"}\n"
"contract derived is base, nonExisting {\n"
" function fun() {\n"
" uint64(2);\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_CASE(contract_multiple_inheritance_with_arguments)
{
char const* text = "contract base {\n"
" function fun() {\n"
" uint64(2);\n"
" }\n"
"}\n"
"contract derived is base(2), nonExisting(\"abc\", \"def\", base.fun()) {\n"
" function fun() {\n"
" uint64(2);\n"
" }\n"
"}\n";
BOOST_CHECK_NO_THROW(parseText(text));
}
BOOST_AUTO_TEST_SUITE_END()
}
}
} // end namespaces
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