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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/transform/add_empty_entry_point.h"
#include <utility>
#include "src/transform/test_helper.h"
namespace tint {
namespace transform {
namespace {
using AddEmptyEntryPointTest = TransformTest;
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 transform
} // namespace tint