diff options
| -rw-r--r-- | libsolidity/analysis/TypeChecker.cpp | 10 | ||||
| -rw-r--r-- | test/libsolidity/SolidityNameAndTypeResolution.cpp | 9 |
2 files changed, 14 insertions, 5 deletions
diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp index f70b75d3..99f3c64c 100644 --- a/libsolidity/analysis/TypeChecker.cpp +++ b/libsolidity/analysis/TypeChecker.cpp @@ -429,12 +429,12 @@ void TypeChecker::endVisit(InheritanceSpecifier const& _inheritance) if (base->isLibrary()) m_errorReporter.typeError(_inheritance.location(), "Libraries cannot be inherited from."); - // Interface can have no constructors - no need to validate - if (base->contractKind() == ContractDefinition::ContractKind::Interface) - return; - auto const& arguments = _inheritance.arguments(); - TypePointers parameterTypes = ContractType(*base).newExpressionType()->parameterTypes(); + TypePointers parameterTypes; + if (base->contractKind() != ContractDefinition::ContractKind::Interface) + // Interfaces do not have constructors, so there are zero parameters. + parameterTypes = ContractType(*base).newExpressionType()->parameterTypes(); + if (!arguments.empty() && parameterTypes.size() != arguments.size()) { m_errorReporter.typeError( diff --git a/test/libsolidity/SolidityNameAndTypeResolution.cpp b/test/libsolidity/SolidityNameAndTypeResolution.cpp index a4fc9c98..f5f607ca 100644 --- a/test/libsolidity/SolidityNameAndTypeResolution.cpp +++ b/test/libsolidity/SolidityNameAndTypeResolution.cpp @@ -6735,6 +6735,15 @@ BOOST_AUTO_TEST_CASE(accept_library_creation) CHECK_SUCCESS(text); } +BOOST_AUTO_TEST_CASE(reject_interface_constructors) +{ + char const* text = R"( + interface I {} + contract C is I(2) {} + )"; + CHECK_ERROR(text, TypeError, "Wrong argument count for constructor call: 1 arguments given but expected 0."); +} + BOOST_AUTO_TEST_SUITE_END() } |