101 lines
2.2 KiB
C++
101 lines
2.2 KiB
C++
![]() |
// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
|
||
|
|
||
|
#include "Luau/AstQuery.h"
|
||
|
#include "Luau/BuiltinDefinitions.h"
|
||
|
#include "Luau/Scope.h"
|
||
|
#include "Luau/TypeInfer.h"
|
||
|
#include "Luau/TypeVar.h"
|
||
|
#include "Luau/VisitTypeVar.h"
|
||
|
|
||
|
#include "Fixture.h"
|
||
|
|
||
|
#include "doctest.h"
|
||
|
|
||
|
using namespace Luau;
|
||
|
|
||
|
TEST_SUITE_BEGIN("TypeInferPrimitives");
|
||
|
|
||
|
TEST_CASE_FIXTURE(Fixture, "cannot_call_primitives")
|
||
|
{
|
||
|
CheckResult result = check("local foo = 5 foo()");
|
||
|
LUAU_REQUIRE_ERROR_COUNT(1, result);
|
||
|
|
||
|
REQUIRE(get<CannotCallNonFunction>(result.errors[0]) != nullptr);
|
||
|
}
|
||
|
|
||
|
TEST_CASE_FIXTURE(Fixture, "string_length")
|
||
|
{
|
||
|
CheckResult result = check(R"(
|
||
|
local s = "Hello, World!"
|
||
|
local t = #s
|
||
|
)");
|
||
|
|
||
|
LUAU_REQUIRE_NO_ERRORS(result);
|
||
|
CHECK_EQ("number", toString(requireType("t")));
|
||
|
}
|
||
|
|
||
|
TEST_CASE_FIXTURE(Fixture, "string_index")
|
||
|
{
|
||
|
CheckResult result = check(R"(
|
||
|
local s = "Hello, World!"
|
||
|
local t = s[4]
|
||
|
)");
|
||
|
|
||
|
LUAU_REQUIRE_ERROR_COUNT(1, result);
|
||
|
|
||
|
NotATable* nat = get<NotATable>(result.errors[0]);
|
||
|
REQUIRE(nat);
|
||
|
CHECK_EQ("string", toString(nat->ty));
|
||
|
|
||
|
CHECK_EQ("*unknown*", toString(requireType("t")));
|
||
|
}
|
||
|
|
||
|
TEST_CASE_FIXTURE(Fixture, "string_method")
|
||
|
{
|
||
|
CheckResult result = check(R"(
|
||
|
local p = ("tacos"):len()
|
||
|
)");
|
||
|
CHECK_EQ(0, result.errors.size());
|
||
|
|
||
|
CHECK_EQ(*requireType("p"), *typeChecker.numberType);
|
||
|
}
|
||
|
|
||
|
TEST_CASE_FIXTURE(Fixture, "string_function_indirect")
|
||
|
{
|
||
|
CheckResult result = check(R"(
|
||
|
local s:string
|
||
|
local l = s.lower
|
||
|
local p = l(s)
|
||
|
)");
|
||
|
CHECK_EQ(0, result.errors.size());
|
||
|
|
||
|
CHECK_EQ(*requireType("p"), *typeChecker.stringType);
|
||
|
}
|
||
|
|
||
|
TEST_CASE_FIXTURE(Fixture, "string_function_other")
|
||
|
{
|
||
|
CheckResult result = check(R"(
|
||
|
local s:string
|
||
|
local p = s:match("foo")
|
||
|
)");
|
||
|
CHECK_EQ(0, result.errors.size());
|
||
|
|
||
|
CHECK_EQ(toString(requireType("p")), "string?");
|
||
|
}
|
||
|
|
||
|
TEST_CASE_FIXTURE(Fixture, "CheckMethodsOfNumber")
|
||
|
{
|
||
|
ScopedFastFlag sff{"LuauErrorRecoveryType", true};
|
||
|
|
||
|
CheckResult result = check(R"(
|
||
|
local x: number = 9999
|
||
|
function x:y(z: number)
|
||
|
local s: string = z
|
||
|
end
|
||
|
)");
|
||
|
|
||
|
LUAU_REQUIRE_ERROR_COUNT(2, result);
|
||
|
}
|
||
|
|
||
|
TEST_SUITE_END();
|