| // 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/transform/add_empty_entry_point.h" |
| |
| #include <utility> |
| |
| #include "src/tint/transform/test_helper.h" |
| |
| namespace tint::transform { |
| namespace { |
| |
| using AddEmptyEntryPointTest = TransformTest; |
| |
| TEST_F(AddEmptyEntryPointTest, ShouldRunEmptyModule) { |
| auto* src = R"()"; |
| |
| EXPECT_TRUE(ShouldRun<AddEmptyEntryPoint>(src)); |
| } |
| |
| TEST_F(AddEmptyEntryPointTest, ShouldRunExistingEntryPoint) { |
| auto* src = R"( |
| @stage(compute) @workgroup_size(1) |
| fn existing() {} |
| )"; |
| |
| EXPECT_FALSE(ShouldRun<AddEmptyEntryPoint>(src)); |
| } |
| |
| TEST_F(AddEmptyEntryPointTest, EmptyModule) { |
| auto* src = R"()"; |
| |
| auto* expect = R"( |
| @stage(compute) @workgroup_size(1) |
| fn unused_entry_point() { |
| } |
| )"; |
| |
| auto got = Run<AddEmptyEntryPoint>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(AddEmptyEntryPointTest, ExistingEntryPoint) { |
| auto* src = R"( |
| @stage(fragment) |
| fn main() { |
| } |
| )"; |
| |
| auto* expect = src; |
| |
| auto got = Run<AddEmptyEntryPoint>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| TEST_F(AddEmptyEntryPointTest, NameClash) { |
| auto* src = R"(var<private> unused_entry_point : f32;)"; |
| |
| auto* expect = R"( |
| @stage(compute) @workgroup_size(1) |
| fn unused_entry_point_1() { |
| } |
| |
| var<private> unused_entry_point : f32; |
| )"; |
| |
| auto got = Run<AddEmptyEntryPoint>(src); |
| |
| EXPECT_EQ(expect, str(got)); |
| } |
| |
| } // namespace |
| } // namespace tint::transform |