86 lines
1.8 KiB
C++
86 lines
1.8 KiB
C++
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// Copyright 2021 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/transform/renamer.h"
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#include "gmock/gmock.h"
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#include "src/transform/test_helper.h"
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namespace tint {
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namespace transform {
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namespace {
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using ::testing::ContainerEq;
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using RenamerTest = TransformTest;
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TEST_F(RenamerTest, EmptyModule) {
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auto* src = "";
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auto* expect = "";
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auto got = Transform<Renamer>(src);
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EXPECT_EQ(expect, str(got));
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auto* data = got.data.Get<Renamer::Data>();
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ASSERT_EQ(data->remappings.size(), 0u);
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}
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TEST_F(RenamerTest, BasicModuleVertexIndex) {
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auto* src = R"(
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[[builtin(vertex_index)]] var<in> vert_idx : u32;
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fn test() -> u32 {
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return vert_idx;
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}
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[[stage(vertex)]]
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fn entry() -> void {
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test();
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}
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)";
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auto* expect = R"(
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[[builtin(vertex_index)]] var<in> _tint_1 : u32;
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fn _tint_2() -> u32 {
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return _tint_1;
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}
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[[stage(vertex)]]
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fn _tint_3() -> void {
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_tint_2();
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}
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)";
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auto got = Transform<Renamer>(src);
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EXPECT_EQ(expect, str(got));
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auto* data = got.data.Get<Renamer::Data>();
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ASSERT_NE(data, nullptr);
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Renamer::Data::Remappings expected_remappings = {
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{"vert_idx", "_tint_1"},
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{"test", "_tint_2"},
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{"entry", "_tint_3"},
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};
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EXPECT_THAT(data->remappings, ContainerEq(expected_remappings));
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}
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} // namespace
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} // namespace transform
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} // namespace tint
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