dawn-cmake/src/resolver/struct_storage_class_use_te...

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// 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/resolver/resolver.h"
#include "gmock/gmock.h"
#include "src/ast/struct_block_decoration.h"
#include "src/resolver/resolver_test_helper.h"
#include "src/sem/struct.h"
using ::testing::UnorderedElementsAre;
namespace tint {
namespace resolver {
namespace {
using ResolverStorageClassUseTest = ResolverTest;
TEST_F(ResolverStorageClassUseTest, UnreachableStruct) {
auto* s = Structure("S", {Member("a", ty.f32())});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s);
ASSERT_NE(sem, nullptr);
EXPECT_TRUE(sem->StorageClassUsage().empty());
}
TEST_F(ResolverStorageClassUseTest, StructReachableFromParameter) {
auto* s = Structure("S", {Member("a", ty.f32())});
Func("f", {Param("param", s)}, ty.void_(), {}, {});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s);
ASSERT_NE(sem, nullptr);
EXPECT_THAT(sem->StorageClassUsage(),
UnorderedElementsAre(ast::StorageClass::kNone));
}
TEST_F(ResolverStorageClassUseTest, StructReachableFromReturnType) {
auto* s = Structure("S", {Member("a", ty.f32())});
Func("f", {}, s, {Return(Construct(s))}, {});
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s);
ASSERT_NE(sem, nullptr);
EXPECT_THAT(sem->StorageClassUsage(),
UnorderedElementsAre(ast::StorageClass::kNone));
}
TEST_F(ResolverStorageClassUseTest, StructReachableFromGlobal) {
auto* s = Structure("S", {Member("a", ty.f32())});
Global("g", s, ast::StorageClass::kPrivate);
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s);
ASSERT_NE(sem, nullptr);
EXPECT_THAT(sem->StorageClassUsage(),
UnorderedElementsAre(ast::StorageClass::kPrivate));
}
TEST_F(ResolverStorageClassUseTest, StructReachableViaGlobalAlias) {
auto* s = Structure("S", {Member("a", ty.f32())});
auto* a = ty.alias("A", s);
Global("g", a, ast::StorageClass::kPrivate);
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s);
ASSERT_NE(sem, nullptr);
EXPECT_THAT(sem->StorageClassUsage(),
UnorderedElementsAre(ast::StorageClass::kPrivate));
}
TEST_F(ResolverStorageClassUseTest, StructReachableViaGlobalStruct) {
auto* s = Structure("S", {Member("a", ty.f32())});
auto* o = Structure("O", {Member("a", s)});
Global("g", o, ast::StorageClass::kPrivate);
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s);
ASSERT_NE(sem, nullptr);
EXPECT_THAT(sem->StorageClassUsage(),
UnorderedElementsAre(ast::StorageClass::kPrivate));
}
TEST_F(ResolverStorageClassUseTest, StructReachableViaGlobalArray) {
auto* s = Structure("S", {Member("a", ty.f32())});
auto a = ty.array(s, 3);
Global("g", a, ast::StorageClass::kPrivate);
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s);
ASSERT_NE(sem, nullptr);
EXPECT_THAT(sem->StorageClassUsage(),
UnorderedElementsAre(ast::StorageClass::kPrivate));
}
TEST_F(ResolverStorageClassUseTest, StructReachableFromLocal) {
auto* s = Structure("S", {Member("a", ty.f32())});
WrapInFunction(Var("g", s, ast::StorageClass::kFunction));
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s);
ASSERT_NE(sem, nullptr);
EXPECT_THAT(sem->StorageClassUsage(),
UnorderedElementsAre(ast::StorageClass::kFunction));
}
TEST_F(ResolverStorageClassUseTest, StructReachableViaLocalAlias) {
auto* s = Structure("S", {Member("a", ty.f32())});
auto* a = ty.alias("A", s);
WrapInFunction(Var("g", a, ast::StorageClass::kFunction));
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s);
ASSERT_NE(sem, nullptr);
EXPECT_THAT(sem->StorageClassUsage(),
UnorderedElementsAre(ast::StorageClass::kFunction));
}
TEST_F(ResolverStorageClassUseTest, StructReachableViaLocalStruct) {
auto* s = Structure("S", {Member("a", ty.f32())});
auto* o = Structure("O", {Member("a", s)});
WrapInFunction(Var("g", o, ast::StorageClass::kFunction));
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s);
ASSERT_NE(sem, nullptr);
EXPECT_THAT(sem->StorageClassUsage(),
UnorderedElementsAre(ast::StorageClass::kFunction));
}
TEST_F(ResolverStorageClassUseTest, StructReachableViaLocalArray) {
auto* s = Structure("S", {Member("a", ty.f32())});
auto a = ty.array(s, 3);
WrapInFunction(Var("g", a, ast::StorageClass::kFunction));
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s);
ASSERT_NE(sem, nullptr);
EXPECT_THAT(sem->StorageClassUsage(),
UnorderedElementsAre(ast::StorageClass::kFunction));
}
TEST_F(ResolverStorageClassUseTest, StructMultipleStorageClassUses) {
auto* s = Structure("S", {Member("a", ty.f32())},
{create<ast::StructBlockDecoration>()});
auto* ac = ty.access(ast::AccessControl::kReadOnly, s);
Global("x", s, ast::StorageClass::kUniform);
Global("y", ac, ast::StorageClass::kStorage);
WrapInFunction(Var("g", s, ast::StorageClass::kFunction));
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(s);
ASSERT_NE(sem, nullptr);
EXPECT_THAT(sem->StorageClassUsage(),
UnorderedElementsAre(ast::StorageClass::kUniform,
ast::StorageClass::kStorage,
ast::StorageClass::kFunction));
}
} // namespace
} // namespace resolver
} // namespace tint