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Diffstat (limited to 'solidityNameAndTypeResolution.cpp')
| -rw-r--r-- | solidityNameAndTypeResolution.cpp | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/solidityNameAndTypeResolution.cpp b/solidityNameAndTypeResolution.cpp new file mode 100644 index 00000000..833ae6d4 --- /dev/null +++ b/solidityNameAndTypeResolution.cpp @@ -0,0 +1,178 @@ +/* + 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 name and type resolution of the solidity parser. + */ + +#include <string> + +#include <libdevcore/Log.h> +#include <libsolidity/Scanner.h> +#include <libsolidity/Parser.h> +#include <libsolidity/NameAndTypeResolver.h> +#include <libsolidity/Exceptions.h> +#include <boost/test/unit_test.hpp> + +namespace dev +{ +namespace solidity +{ +namespace test +{ + +namespace +{ +void parseTextAndResolveNames(const std::string& _source) +{ + Parser parser; + ASTPointer<ContractDefinition> contract = parser.parse( + std::make_shared<Scanner>(CharStream(_source))); + NameAndTypeResolver resolver; + resolver.resolveNamesAndTypes(*contract); +} +} + +BOOST_AUTO_TEST_SUITE(SolidityNameAndTypeResolution) + +BOOST_AUTO_TEST_CASE(smoke_test) +{ + char const* text = "contract test {\n" + " uint256 stateVariable1;\n" + " function fun(uint256 arg1) { var x; uint256 y; }" + "}\n"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(double_stateVariable_declaration) +{ + char const* text = "contract test {\n" + " uint256 variable;\n" + " uint128 variable;\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(double_function_declaration) +{ + char const* text = "contract test {\n" + " function fun() { var x; }\n" + " function fun() { var x; }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(double_variable_declaration) +{ + char const* text = "contract test {\n" + " function f() { uint256 x; if (true) { uint256 x; } }\n" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(name_shadowing) +{ + char const* text = "contract test {\n" + " uint256 variable;\n" + " function f() { uint32 variable ; }" + "}\n"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(name_references) +{ + char const* text = "contract test {\n" + " uint256 variable;\n" + " function f(uint256 arg) returns (uint out) { f(variable); test; out; }" + "}\n"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(undeclared_name) +{ + char const* text = "contract test {\n" + " uint256 variable;\n" + " function f(uint256 arg) { f(notfound); }" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), DeclarationError); +} + +BOOST_AUTO_TEST_CASE(reference_to_later_declaration) +{ + char const* text = "contract test {\n" + " function g() { f(); }" + " function f() { }" + "}\n"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(type_inference_smoke_test) +{ + char const* text = "contract test {\n" + " function f(uint256 arg1, uint32 arg2) returns (bool ret) { var x = arg1 + arg2 == 8; ret = x; }" + "}\n"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(type_checking_return) +{ + char const* text = "contract test {\n" + " function f() returns (bool r) { return 1 >= 2; }" + "}\n"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(type_checking_return_wrong_number) +{ + char const* text = "contract test {\n" + " function f() returns (bool r1, bool r2) { return 1 >= 2; }" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(type_checking_return_wrong_type) +{ + char const* text = "contract test {\n" + " function f() returns (uint256 r) { return 1 >= 2; }" + "}\n"; + BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError); +} + +BOOST_AUTO_TEST_CASE(type_checking_function_call) +{ + char const* text = "contract test {\n" + " function f() returns (bool r) { return g(12, true) == 3; }\n" + " function g(uint256 a, bool b) returns (uint256 r) { }\n" + "}\n"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_CASE(type_inference_explicit_conversion) +{ + char const* text = "contract test {\n" + " function f() returns (int256 r) { var x = int256(uint32(2)); return x; }" + "}\n"; + BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text)); +} + +BOOST_AUTO_TEST_SUITE_END() + +} +} +} // end namespaces + |