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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/tint/sem/reference.h"
#include "src/tint/sem/test_helper.h"
namespace tint::sem {
namespace {
using ReferenceTest = TestHelper;
TEST_F(ReferenceTest, Creation) {
auto* a =
create<Reference>(create<I32>(), ast::AddressSpace::kStorage, ast::Access::kReadWrite);
auto* b =
create<Reference>(create<I32>(), ast::AddressSpace::kStorage, ast::Access::kReadWrite);
auto* c =
create<Reference>(create<F32>(), ast::AddressSpace::kStorage, ast::Access::kReadWrite);
auto* d =
create<Reference>(create<I32>(), ast::AddressSpace::kPrivate, ast::Access::kReadWrite);
auto* e = create<Reference>(create<I32>(), ast::AddressSpace::kStorage, ast::Access::kRead);
EXPECT_TRUE(a->StoreType()->Is<sem::I32>());
EXPECT_EQ(a->AddressSpace(), ast::AddressSpace::kStorage);
EXPECT_EQ(a->Access(), ast::Access::kReadWrite);
EXPECT_EQ(a, b);
EXPECT_NE(a, c);
EXPECT_NE(a, d);
EXPECT_NE(a, e);
}
TEST_F(ReferenceTest, Hash) {
auto* a =
create<Reference>(create<I32>(), ast::AddressSpace::kStorage, ast::Access::kReadWrite);
auto* b =
create<Reference>(create<I32>(), ast::AddressSpace::kStorage, ast::Access::kReadWrite);
auto* c =
create<Reference>(create<F32>(), ast::AddressSpace::kStorage, ast::Access::kReadWrite);
auto* d =
create<Reference>(create<I32>(), ast::AddressSpace::kPrivate, ast::Access::kReadWrite);
auto* e = create<Reference>(create<I32>(), ast::AddressSpace::kStorage, ast::Access::kRead);
EXPECT_EQ(a->Hash(), b->Hash());
EXPECT_NE(a->Hash(), c->Hash());
EXPECT_NE(a->Hash(), d->Hash());
EXPECT_NE(a->Hash(), e->Hash());
}
TEST_F(ReferenceTest, Equals) {
auto* a =
create<Reference>(create<I32>(), ast::AddressSpace::kStorage, ast::Access::kReadWrite);
auto* b =
create<Reference>(create<I32>(), ast::AddressSpace::kStorage, ast::Access::kReadWrite);
auto* c =
create<Reference>(create<F32>(), ast::AddressSpace::kStorage, ast::Access::kReadWrite);
auto* d =
create<Reference>(create<I32>(), ast::AddressSpace::kPrivate, ast::Access::kReadWrite);
auto* e = create<Reference>(create<I32>(), ast::AddressSpace::kStorage, ast::Access::kRead);
EXPECT_TRUE(a->Equals(*b));
EXPECT_FALSE(a->Equals(*c));
EXPECT_FALSE(a->Equals(*d));
EXPECT_FALSE(a->Equals(*e));
EXPECT_FALSE(a->Equals(Void{}));
}
TEST_F(ReferenceTest, FriendlyName) {
auto* r = create<Reference>(create<I32>(), ast::AddressSpace::kNone, ast::Access::kRead);
EXPECT_EQ(r->FriendlyName(Symbols()), "ref<i32, read>");
}
TEST_F(ReferenceTest, FriendlyNameWithAddressSpace) {
auto* r = create<Reference>(create<I32>(), ast::AddressSpace::kWorkgroup, ast::Access::kRead);
EXPECT_EQ(r->FriendlyName(Symbols()), "ref<workgroup, i32, read>");
}
} // namespace
} // namespace tint::sem