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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/ast/struct_block_decoration.h"
#include "src/resolver/resolver.h"
#include "src/resolver/resolver_test_helper.h"
#include "src/sem/atomic_type.h"
#include "src/sem/reference_type.h"
#include "gmock/gmock.h"
namespace tint {
namespace resolver {
namespace {
struct ResolverAtomicTest : public resolver::TestHelper,
public testing::Test {};
TEST_F(ResolverAtomicTest, GlobalWorkgroupI32) {
auto* g = Global("a", ty.atomic(Source{{12, 34}}, ty.i32()),
ast::StorageClass::kWorkgroup);
EXPECT_TRUE(r()->Resolve()) << r()->error();
ASSERT_TRUE(TypeOf(g)->Is<sem::Reference>());
auto* atomic = TypeOf(g)->UnwrapRef()->As<sem::Atomic>();
ASSERT_NE(atomic, nullptr);
EXPECT_TRUE(atomic->Type()->Is<sem::I32>());
}
TEST_F(ResolverAtomicTest, GlobalWorkgroupU32) {
auto* g = Global("a", ty.atomic(Source{{12, 34}}, ty.u32()),
ast::StorageClass::kWorkgroup);
EXPECT_TRUE(r()->Resolve()) << r()->error();
ASSERT_TRUE(TypeOf(g)->Is<sem::Reference>());
auto* atomic = TypeOf(g)->UnwrapRef()->As<sem::Atomic>();
ASSERT_NE(atomic, nullptr);
EXPECT_TRUE(atomic->Type()->Is<sem::U32>());
}
TEST_F(ResolverAtomicTest, GlobalStorageStruct) {
auto* s = Structure("s", {Member("a", ty.atomic(Source{{12, 34}}, ty.i32()))},
{create<ast::StructBlockDecoration>()});
auto* g = Global("g", ty.Of(s), ast::StorageClass::kStorage,
ast::Access::kReadWrite,
ast::DecorationList{
create<ast::BindingDecoration>(0),
create<ast::GroupDecoration>(0),
});
EXPECT_TRUE(r()->Resolve()) << r()->error();
ASSERT_TRUE(TypeOf(g)->Is<sem::Reference>());
auto* str = TypeOf(g)->UnwrapRef()->As<sem::Struct>();
ASSERT_NE(str, nullptr);
ASSERT_EQ(str->Members().size(), 1u);
auto* atomic = str->Members()[0]->Type()->As<sem::Atomic>();
ASSERT_NE(atomic, nullptr);
ASSERT_TRUE(atomic->Type()->Is<sem::I32>());
}
} // namespace
} // namespace resolver
} // namespace tint