| // 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 |