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// Copyright 2024 The Dawn & Tint Authors
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#ifndef SRC_TINT_LANG_HLSL_WRITER_HELPER_TEST_H_
#define SRC_TINT_LANG_HLSL_WRITER_HELPER_TEST_H_
#include <string>
#include "gtest/gtest.h"
#include "src/tint/lang/core/ir/builder.h"
#include "src/tint/lang/core/ir/validator.h"
#include "src/tint/lang/hlsl/writer/writer.h"
namespace tint::hlsl::writer {
/// Base helper class for testing the HLSL writer implementation.
template <typename BASE>
class HlslWriterTestHelperBase : public BASE {
public:
/// The test module.
core::ir::Module mod;
/// The test builder.
core::ir::Builder b{mod};
/// The type manager.
core::type::Manager& ty{mod.Types()};
protected:
/// Validation errors
std::string err_;
/// Generated HLSL
Output output_;
/// Run the writer on the IR module and validate the result.
/// @returns true if generation and validation succeeded
bool Generate() {
const Options options;
auto result = writer::Generate(mod, options);
if (result != Success) {
err_ = result.Failure().reason.Str();
return false;
}
output_ = result.Get();
return true;
}
};
/// Printer tests
using HlslWriterTest = HlslWriterTestHelperBase<testing::Test>;
/// Printer param tests
template <typename T>
using HlslWriterTestWithParam = HlslWriterTestHelperBase<testing::TestWithParam<T>>;
} // namespace tint::hlsl::writer
#endif // SRC_TINT_LANG_HLSL_WRITER_HELPER_TEST_H_