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53 lines
1 KiB
C++
53 lines
1 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 "Fixture.h"
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#include "doctest.h"
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#include "Luau/Common.h"
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#include "ScopedFlags.h"
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using namespace Luau;
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namespace
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{
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struct NegationFixture : Fixture
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{
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TypeArena arena;
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ScopedFastFlag sff[1]{
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{"LuauSubtypeNormalizer", true},
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};
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NegationFixture()
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{
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registerHiddenTypes(*this, arena);
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}
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};
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} // namespace
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TEST_SUITE_BEGIN("Negations");
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TEST_CASE_FIXTURE(NegationFixture, "negated_string_is_a_subtype_of_string")
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{
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CheckResult result = check(R"(
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function foo(arg: string) end
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local a: string & Not<"Hello">
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foo(a)
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)");
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LUAU_REQUIRE_NO_ERRORS(result);
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}
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TEST_CASE_FIXTURE(NegationFixture, "string_is_not_a_subtype_of_negated_string")
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{
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CheckResult result = check(R"(
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function foo(arg: string & Not<"hello">) end
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local a: string
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foo(a)
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)");
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LUAU_REQUIRE_ERROR_COUNT(1, result);
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}
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TEST_SUITE_END();
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