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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/reader/wgsl/parser_impl_test_helper.h"
namespace tint::reader::wgsl {
namespace {
struct PipelineStageData {
std::string input;
ast::PipelineStage result;
};
inline std::ostream& operator<<(std::ostream& out, PipelineStageData data) {
return out << data.input;
}
class PipelineStageTest : public ParserImplTestWithParam<PipelineStageData> {};
TEST_P(PipelineStageTest, Parses) {
auto params = GetParam();
auto p = parser(params.input);
auto stage = p->expect_pipeline_stage();
ASSERT_FALSE(p->has_error()) << p->error();
ASSERT_FALSE(stage.errored);
EXPECT_EQ(stage.value, params.result);
EXPECT_EQ(stage.source.range.begin.line, 1u);
EXPECT_EQ(stage.source.range.begin.column, 1u);
EXPECT_EQ(stage.source.range.end.line, 1u);
EXPECT_EQ(stage.source.range.end.column, 1u + params.input.size());
auto t = p->next();
EXPECT_TRUE(t.IsEof());
}
INSTANTIATE_TEST_SUITE_P(
ParserImplTest,
PipelineStageTest,
testing::Values(PipelineStageData{"vertex", ast::PipelineStage::kVertex},
PipelineStageData{"fragment", ast::PipelineStage::kFragment},
PipelineStageData{"compute", ast::PipelineStage::kCompute}));
TEST_F(ParserImplTest, PipelineStage_NoMatch) {
auto p = parser("not-a-stage");
auto stage = p->expect_pipeline_stage();
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(stage.errored);
ASSERT_EQ(p->error(), "1:1: invalid value for stage attribute");
}
} // namespace
} // namespace tint::reader::wgsl