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