luau/tests/Error.test.cpp
vegorov-rbx 9c2146288d
Sync to upstream/release/621 (#1229)
# What's changed?

* Support for new 'require by string' RFC with relative paths and
aliases in now enabled in Luau REPL application

### New Type Solver

* Fixed assertion failure on generic table keys (`[expr] = value`)
* Fixed an issue with type substitution traversing into the substituted
parts during type instantiation
* Fixed crash in union simplification when that union contained
uninhabited unions and other types inside
* Union types in binary type families like `add<a | b, c>` are expanded
into `add<a, c> | add<b, c>` to handle
* Added handling for type family solving creating new type families
* Fixed a bug with normalization operation caching types with unsolved
parts
* Tables with uninhabited properties are now simplified to `never`
* Fixed failures found by fuzzer

### Native Code Generation

* Added support for shared code generation between multiple Luau VM
instances
* Fixed issue in load-store propagation and new tagged LOAD_TVALUE
instructions
* Fixed issues with partial register dead store elimination causing
failures in GC assists

---

### Internal Contributors

Co-authored-by: Aaron Weiss <aaronweiss@roblox.com>
Co-authored-by: Alexander McCord <amccord@roblox.com>
Co-authored-by: Andy Friesen <afriesen@roblox.com>
Co-authored-by: James McNellis <jmcnellis@roblox.com>
Co-authored-by: Vighnesh Vijay <vvijay@roblox.com>
Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
2024-04-12 10:18:49 -07:00

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C++

// 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;
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_SUITE_END();