mirror of
https://github.com/luau-lang/luau.git
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3d74a8f4d4
- Improve type error messages for argument count mismatch in certain cases - Fix type checking variadic returns when the type is incompatible which type checked in certain cases - Reduce size of upvalue objects by 8 bytes on 64-bit platforms - Reduce I$ footprint of interpreter by 1.5KB - Reduce GC pause during atomic stage for programs with a lot of threads - Remove support for bytecode v2
91 lines
2.1 KiB
C++
91 lines
2.1 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 "Luau/ConstraintGraphBuilder.h"
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#include "Luau/ConstraintSolver.h"
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#include "ConstraintGraphBuilderFixture.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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static TypeId requireBinding(NotNull<Scope> scope, const char* name)
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{
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auto b = linearSearchForBinding(scope, name);
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LUAU_ASSERT(b.has_value());
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return *b;
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}
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TEST_SUITE_BEGIN("ConstraintSolver");
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TEST_CASE_FIXTURE(ConstraintGraphBuilderFixture, "hello")
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{
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AstStatBlock* block = parse(R"(
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local a = 55
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local b = a
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)");
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cgb.visit(block);
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NotNull<Scope> rootScope{cgb.rootScope};
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NullModuleResolver resolver;
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ConstraintSolver cs{&arena, singletonTypes, rootScope, "MainModule", NotNull(&resolver), {}, &logger};
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cs.run();
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TypeId bType = requireBinding(rootScope, "b");
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CHECK("number" == toString(bType));
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}
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TEST_CASE_FIXTURE(ConstraintGraphBuilderFixture, "generic_function")
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{
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AstStatBlock* block = parse(R"(
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local function id(a)
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return a
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end
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)");
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cgb.visit(block);
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NotNull<Scope> rootScope{cgb.rootScope};
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NullModuleResolver resolver;
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ConstraintSolver cs{&arena, singletonTypes, rootScope, "MainModule", NotNull(&resolver), {}, &logger};
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cs.run();
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TypeId idType = requireBinding(rootScope, "id");
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CHECK("<a>(a) -> a" == toString(idType));
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}
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TEST_CASE_FIXTURE(ConstraintGraphBuilderFixture, "proper_let_generalization")
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{
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AstStatBlock* block = parse(R"(
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local function a(c)
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local function d(e)
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return c
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end
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return d
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end
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local b = a(5)
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)");
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cgb.visit(block);
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NotNull<Scope> rootScope{cgb.rootScope};
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ToStringOptions opts;
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NullModuleResolver resolver;
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ConstraintSolver cs{&arena, singletonTypes, rootScope, "MainModule", NotNull(&resolver), {}, &logger};
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cs.run();
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TypeId idType = requireBinding(rootScope, "b");
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CHECK("<a>(a) -> number" == toString(idType, opts));
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}
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TEST_SUITE_END();
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