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// 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/tint/sem/type_manager.h"
#include "gtest/gtest.h"
#include "src/tint/sem/i32_type.h"
#include "src/tint/sem/u32_type.h"
namespace tint {
namespace sem {
namespace {
template <typename T>
size_t count(const T& range_loopable) {
size_t n = 0;
for (auto it : range_loopable) {
(void)it;
n++;
}
return n;
}
using TypeManagerTest = testing::Test;
TEST_F(TypeManagerTest, GetUnregistered) {
Manager tm;
auto* t = tm.Get<I32>();
ASSERT_NE(t, nullptr);
EXPECT_TRUE(t->Is<I32>());
}
TEST_F(TypeManagerTest, GetSameTypeReturnsSamePtr) {
Manager tm;
auto* t = tm.Get<I32>();
ASSERT_NE(t, nullptr);
EXPECT_TRUE(t->Is<I32>());
auto* t2 = tm.Get<I32>();
EXPECT_EQ(t, t2);
}
TEST_F(TypeManagerTest, GetDifferentTypeReturnsDifferentPtr) {
Manager tm;
Type* t = tm.Get<I32>();
ASSERT_NE(t, nullptr);
EXPECT_TRUE(t->Is<I32>());
Type* t2 = tm.Get<U32>();
ASSERT_NE(t2, nullptr);
EXPECT_NE(t, t2);
EXPECT_TRUE(t2->Is<U32>());
}
TEST_F(TypeManagerTest, WrapDoesntAffectInner) {
Manager inner;
Manager outer = Manager::Wrap(inner);
inner.Get<I32>();
EXPECT_EQ(count(inner), 1u);
EXPECT_EQ(count(outer), 0u);
outer.Get<U32>();
EXPECT_EQ(count(inner), 1u);
EXPECT_EQ(count(outer), 1u);
}
} // namespace
} // namespace sem
} // namespace tint