| // Copyright 2021 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/tint/resolver/resolver.h" |
| #include "src/tint/resolver/resolver_test_helper.h" |
| |
| #include "gmock/gmock.h" |
| |
| using namespace tint::number_suffixes; // NOLINT |
| |
| namespace tint::resolver { |
| namespace { |
| |
| // Helpers and typedefs |
| template <typename T> |
| using DataType = builder::DataType<T>; |
| template <typename T> |
| using vec2 = builder::vec2<T>; |
| template <typename T> |
| using vec3 = builder::vec3<T>; |
| template <typename T> |
| using vec4 = builder::vec4<T>; |
| template <typename T> |
| using mat2x2 = builder::mat2x2<T>; |
| template <typename T> |
| using mat3x3 = builder::mat3x3<T>; |
| template <typename T> |
| using mat4x4 = builder::mat4x4<T>; |
| template <typename T> |
| using alias = builder::alias<T>; |
| |
| struct ResolverInferredTypeTest : public resolver::TestHelper, public testing::Test {}; |
| |
| struct Params { |
| builder::ast_expr_func_ptr create_value; |
| builder::sem_type_func_ptr create_expected_type; |
| }; |
| |
| template <typename T> |
| constexpr Params ParamsFor() { |
| return Params{DataType<T>::Expr, DataType<T>::Sem}; |
| } |
| |
| Params all_cases[] = { |
| ParamsFor<bool>(), // |
| ParamsFor<u32>(), // |
| ParamsFor<i32>(), // |
| ParamsFor<f32>(), // |
| ParamsFor<vec3<bool>>(), // |
| ParamsFor<vec3<i32>>(), // |
| ParamsFor<vec3<u32>>(), // |
| ParamsFor<vec3<f32>>(), // |
| ParamsFor<mat3x3<f32>>(), // |
| ParamsFor<alias<bool>>(), // |
| ParamsFor<alias<u32>>(), // |
| ParamsFor<alias<i32>>(), // |
| ParamsFor<alias<f32>>(), // |
| ParamsFor<alias<vec3<bool>>>(), // |
| ParamsFor<alias<vec3<i32>>>(), // |
| ParamsFor<alias<vec3<u32>>>(), // |
| ParamsFor<alias<vec3<f32>>>(), // |
| ParamsFor<alias<mat3x3<f32>>>(), // |
| }; |
| |
| using ResolverInferredTypeParamTest = ResolverTestWithParam<Params>; |
| |
| TEST_P(ResolverInferredTypeParamTest, GlobalConst_Pass) { |
| auto& params = GetParam(); |
| |
| auto* expected_type = params.create_expected_type(*this); |
| |
| // const a = <type constructor>; |
| auto* ctor_expr = params.create_value(*this, 0); |
| auto* a = GlobalConst("a", nullptr, ctor_expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| EXPECT_EQ(TypeOf(a), expected_type); |
| } |
| |
| TEST_P(ResolverInferredTypeParamTest, GlobalVar_Pass) { |
| auto& params = GetParam(); |
| |
| auto* expected_type = params.create_expected_type(*this); |
| |
| // var a = <type constructor>; |
| auto* ctor_expr = params.create_value(*this, 0); |
| auto* var = GlobalVar("a", nullptr, ast::StorageClass::kPrivate, ctor_expr); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| EXPECT_EQ(TypeOf(var)->UnwrapRef(), expected_type); |
| } |
| |
| TEST_P(ResolverInferredTypeParamTest, LocalLet_Pass) { |
| auto& params = GetParam(); |
| |
| auto* expected_type = params.create_expected_type(*this); |
| |
| // let a = <type constructor>; |
| auto* ctor_expr = params.create_value(*this, 0); |
| auto* var = Let("a", nullptr, ctor_expr); |
| WrapInFunction(var); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| EXPECT_EQ(TypeOf(var), expected_type); |
| } |
| |
| TEST_P(ResolverInferredTypeParamTest, LocalVar_Pass) { |
| auto& params = GetParam(); |
| |
| auto* expected_type = params.create_expected_type(*this); |
| |
| // var a = <type constructor>; |
| auto* ctor_expr = params.create_value(*this, 0); |
| auto* var = Var("a", nullptr, ast::StorageClass::kFunction, ctor_expr); |
| WrapInFunction(var); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| EXPECT_EQ(TypeOf(var)->UnwrapRef(), expected_type); |
| } |
| |
| INSTANTIATE_TEST_SUITE_P(ResolverTest, ResolverInferredTypeParamTest, testing::ValuesIn(all_cases)); |
| |
| TEST_F(ResolverInferredTypeTest, InferArray_Pass) { |
| auto* type = ty.array(ty.u32(), 10_u); |
| auto* expected_type = create<sem::Array>(create<sem::U32>(), 10u, 4u, 4u * 10u, 4u, 4u); |
| |
| auto* ctor_expr = Construct(type); |
| auto* var = Var("a", nullptr, ast::StorageClass::kFunction, ctor_expr); |
| WrapInFunction(var); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| EXPECT_EQ(TypeOf(var)->UnwrapRef(), expected_type); |
| } |
| |
| TEST_F(ResolverInferredTypeTest, InferStruct_Pass) { |
| auto* member = Member("x", ty.i32()); |
| auto* str = Structure("S", utils::Vector{member}); |
| |
| auto* expected_type = |
| create<sem::Struct>(str, str->name, |
| sem::StructMemberList{create<sem::StructMember>( |
| member, member->symbol, create<sem::I32>(), 0u, 0u, 0u, 4u)}, |
| 0u, 4u, 4u); |
| |
| auto* ctor_expr = Construct(ty.Of(str)); |
| |
| auto* var = Var("a", nullptr, ast::StorageClass::kFunction, ctor_expr); |
| WrapInFunction(var); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| EXPECT_EQ(TypeOf(var)->UnwrapRef(), expected_type); |
| } |
| |
| } // namespace |
| } // namespace tint::resolver |