| // Copyright 2020 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/type/access_control_type.h" |
| #include "src/type/test_helper.h" |
| #include "src/type/texture_type.h" |
| |
| namespace tint { |
| namespace type { |
| namespace { |
| |
| using AliasTest = TestHelper; |
| |
| TEST_F(AliasTest, Create) { |
| auto* a = ty.alias("a_type", ty.u32()); |
| EXPECT_EQ(a->symbol(), Symbol(1)); |
| EXPECT_EQ(a->type(), ty.u32()); |
| } |
| |
| TEST_F(AliasTest, Is) { |
| auto* at = ty.alias("a", ty.i32()); |
| type::Type* ty = at; |
| EXPECT_FALSE(ty->Is<AccessControl>()); |
| EXPECT_TRUE(ty->Is<Alias>()); |
| EXPECT_FALSE(ty->Is<Array>()); |
| EXPECT_FALSE(ty->Is<Bool>()); |
| EXPECT_FALSE(ty->Is<F32>()); |
| EXPECT_FALSE(ty->Is<I32>()); |
| EXPECT_FALSE(ty->Is<Matrix>()); |
| EXPECT_FALSE(ty->Is<Pointer>()); |
| EXPECT_FALSE(ty->Is<Sampler>()); |
| EXPECT_FALSE(ty->Is<Struct>()); |
| EXPECT_FALSE(ty->Is<Texture>()); |
| EXPECT_FALSE(ty->Is<U32>()); |
| EXPECT_FALSE(ty->Is<Vector>()); |
| } |
| |
| TEST_F(AliasTest, TypeName) { |
| auto* at = ty.alias("Particle", ty.i32()); |
| EXPECT_EQ(at->type_name(), "__alias_tint_symbol_1__i32"); |
| } |
| |
| TEST_F(AliasTest, FriendlyName) { |
| auto* at = ty.alias("Particle", ty.i32()); |
| EXPECT_EQ(at->FriendlyName(Symbols()), "Particle"); |
| } |
| |
| TEST_F(AliasTest, UnwrapIfNeeded_Alias) { |
| auto* a = ty.alias("a_type", ty.u32()); |
| EXPECT_EQ(a->symbol(), Symbol(1)); |
| EXPECT_EQ(a->type(), ty.u32()); |
| EXPECT_EQ(a->UnwrapIfNeeded(), ty.u32()); |
| EXPECT_EQ(ty.u32()->UnwrapIfNeeded(), ty.u32()); |
| } |
| |
| TEST_F(AliasTest, UnwrapIfNeeded_AccessControl) { |
| AccessControl a{ast::AccessControl::kReadOnly, ty.u32()}; |
| EXPECT_EQ(a.type(), ty.u32()); |
| EXPECT_EQ(a.UnwrapIfNeeded(), ty.u32()); |
| } |
| |
| TEST_F(AliasTest, UnwrapIfNeeded_MultiLevel) { |
| auto* a = ty.alias("a_type", ty.u32()); |
| auto* aa = ty.alias("aa_type", a); |
| |
| EXPECT_EQ(aa->symbol(), Symbol(2)); |
| EXPECT_EQ(aa->type(), a); |
| EXPECT_EQ(aa->UnwrapIfNeeded(), ty.u32()); |
| } |
| |
| TEST_F(AliasTest, UnwrapIfNeeded_MultiLevel_AliasAccessControl) { |
| auto* a = ty.alias("a_type", ty.u32()); |
| |
| AccessControl aa{ast::AccessControl::kReadWrite, a}; |
| EXPECT_EQ(aa.type(), a); |
| EXPECT_EQ(aa.UnwrapIfNeeded(), ty.u32()); |
| } |
| |
| TEST_F(AliasTest, UnwrapAll_TwiceAliasPointerTwiceAlias) { |
| auto* a = ty.alias("a_type", ty.u32()); |
| auto* aa = ty.alias("aa_type", a); |
| Pointer paa{aa, ast::StorageClass::kUniform}; |
| auto* apaa = ty.alias("paa_type", &paa); |
| auto* aapaa = ty.alias("aapaa_type", apaa); |
| |
| EXPECT_EQ(aapaa->symbol(), Symbol(4)); |
| EXPECT_EQ(aapaa->type(), apaa); |
| EXPECT_EQ(aapaa->UnwrapAll(), ty.u32()); |
| } |
| |
| TEST_F(AliasTest, UnwrapAll_SecondConsecutivePointerBlocksUnrapping) { |
| auto* a = ty.alias("a_type", ty.u32()); |
| auto* aa = ty.alias("aa_type", a); |
| |
| Pointer paa{aa, ast::StorageClass::kUniform}; |
| Pointer ppaa{&paa, ast::StorageClass::kUniform}; |
| auto* appaa = ty.alias("appaa_type", &ppaa); |
| EXPECT_EQ(appaa->UnwrapAll(), &paa); |
| } |
| |
| TEST_F(AliasTest, UnwrapAll_SecondNonConsecutivePointerBlocksUnrapping) { |
| auto* a = ty.alias("a_type", ty.u32()); |
| auto* aa = ty.alias("aa_type", a); |
| Pointer paa{aa, ast::StorageClass::kUniform}; |
| |
| auto* apaa = ty.alias("apaa_type", &paa); |
| auto* aapaa = ty.alias("aapaa_type", apaa); |
| Pointer paapaa{aapaa, ast::StorageClass::kUniform}; |
| auto* apaapaa = ty.alias("apaapaa_type", &paapaa); |
| |
| EXPECT_EQ(apaapaa->UnwrapAll(), &paa); |
| } |
| |
| TEST_F(AliasTest, UnwrapAll_AccessControlPointer) { |
| AccessControl a{ast::AccessControl::kReadOnly, ty.u32()}; |
| Pointer pa{&a, ast::StorageClass::kUniform}; |
| EXPECT_EQ(pa.type(), &a); |
| EXPECT_EQ(pa.UnwrapAll(), ty.u32()); |
| } |
| |
| TEST_F(AliasTest, UnwrapAll_PointerAccessControl) { |
| Pointer p{ty.u32(), ast::StorageClass::kUniform}; |
| AccessControl a{ast::AccessControl::kReadOnly, &p}; |
| |
| EXPECT_EQ(a.type(), &p); |
| EXPECT_EQ(a.UnwrapAll(), ty.u32()); |
| } |
| |
| TEST_F(AliasTest, UnwrapAliasIfNeeded) { |
| auto* alias1 = ty.alias("alias1", ty.f32()); |
| auto* alias2 = ty.alias("alias2", alias1); |
| auto* alias3 = ty.alias("alias3", alias2); |
| EXPECT_EQ(alias3->UnwrapAliasIfNeeded(), ty.f32()); |
| } |
| |
| } // namespace |
| } // namespace type |
| } // namespace tint |