// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details #include "Luau/Error.h" #include "Fixture.h" #include "doctest.h" using namespace Luau; LUAU_FASTFLAG(LuauSolverV2) TEST_SUITE_BEGIN("ErrorTests"); TEST_CASE("TypeError_code_should_return_nonzero_code") { auto e = TypeError{{{0, 0}, {0, 1}}, UnknownSymbol{"Foo"}}; CHECK_GE(e.code(), 1000); } TEST_CASE_FIXTURE(BuiltinsFixture, "metatable_names_show_instead_of_tables") { frontend.options.retainFullTypeGraphs = false; CheckResult result = check(R"( --!strict local Account = {} Account.__index = Account function Account.deposit(self: Account, x: number) self.balance += x end type Account = typeof(setmetatable({} :: { balance: number }, Account)) local x: Account = 5 )"); LUAU_REQUIRE_ERROR_COUNT(1, result); CHECK_EQ("Type 'number' could not be converted into 'Account'", toString(result.errors[0])); } TEST_CASE_FIXTURE(BuiltinsFixture, "binary_op_type_function_errors") { frontend.options.retainFullTypeGraphs = false; CheckResult result = check(R"( --!strict local x = 1 + "foo" )"); LUAU_REQUIRE_ERROR_COUNT(1, result); if (FFlag::LuauSolverV2) CHECK_EQ( "Operator '+' could not be applied to operands of types number and string; there is no corresponding overload for __add", toString(result.errors[0]) ); else CHECK_EQ("Type 'string' could not be converted into 'number'", toString(result.errors[0])); } TEST_CASE_FIXTURE(BuiltinsFixture, "unary_op_type_function_errors") { frontend.options.retainFullTypeGraphs = false; CheckResult result = check(R"( --!strict local x = -"foo" )"); if (FFlag::LuauSolverV2) { LUAU_REQUIRE_ERROR_COUNT(2, result); CHECK_EQ( "Operator '-' could not be applied to operand of type string; there is no corresponding overload for __unm", toString(result.errors[0]) ); CHECK_EQ("Type 'string' could not be converted into 'number'", toString(result.errors[1])); } else { LUAU_REQUIRE_ERROR_COUNT(1, result); CHECK_EQ("Type 'string' could not be converted into 'number'", toString(result.errors[0])); } } TEST_SUITE_END();