blob: 1de7bd8a30fef84d32c4f8afb3fbd78cae50c851 [file] [log] [blame]
// Copyright 2023 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.
#ifndef SRC_TINT_LANG_CORE_IR_TRANSFORM_TEST_HELPER_H_
#define SRC_TINT_LANG_CORE_IR_TRANSFORM_TEST_HELPER_H_
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "gtest/gtest.h"
#include "src/tint/lang/core/ir/builder.h"
#include "src/tint/lang/core/ir/disassembler.h"
#include "src/tint/lang/core/ir/transform/transform.h"
#include "src/tint/lang/core/ir/validator.h"
#include "src/tint/transform/manager.h"
namespace tint::ir::transform {
/// Helper class for testing IR transforms.
template <typename BASE>
class TransformTestBase : public BASE {
public:
/// Transforms the module, using transforms in `TRANSFORMS`.
/// @param data the optional Transform::DataMap to pass to Transform::Run()
/// @returns the transform outputs, if any
template <typename... TRANSFORMS>
Transform::DataMap Run(const Transform::DataMap& data = {}) {
tint::transform::Manager manager;
tint::transform::DataMap outputs;
// Validate the input IR.
{
auto res = ir::Validate(mod);
EXPECT_TRUE(res) << res.Failure().str();
if (!res) {
return outputs;
}
}
// Run the transforms.
for (auto* transform_ptr : std::initializer_list<Transform*>{new TRANSFORMS()...}) {
manager.append(std::unique_ptr<Transform>(transform_ptr));
}
manager.Run(&mod, data, outputs);
// Validate the output IR.
{
auto res = ir::Validate(mod);
EXPECT_TRUE(res) << res.Failure().str();
}
return outputs;
}
/// @returns the transformed module as a disassembled string
std::string str() {
ir::Disassembler dis(mod);
return "\n" + dis.Disassemble();
}
protected:
/// The test IR module.
ir::Module mod;
/// The test IR builder.
ir::Builder b{mod};
/// The type manager.
type::Manager& ty{mod.Types()};
};
using TransformTest = TransformTestBase<testing::Test>;
template <typename T>
using TransformTestWithParam = TransformTestBase<testing::TestWithParam<T>>;
} // namespace tint::ir::transform
#endif // SRC_TINT_LANG_CORE_IR_TRANSFORM_TEST_HELPER_H_