blob: 7550ecbe6838913c6bb16693569087d9c89bb9eb [file] [log] [blame]
// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef SRC_TINT_LANG_GLSL_WRITER_PRINTER_HELPER_TEST_H_
#define SRC_TINT_LANG_GLSL_WRITER_PRINTER_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/glsl/writer/common/version.h"
#include "src/tint/lang/glsl/writer/printer/printer.h"
#include "src/tint/lang/glsl/writer/raise/raise.h"
namespace tint::glsl::writer {
/// Base helper class for testing the GLSL generator implementation.
template <typename BASE>
class GlslPrinterTestHelperBase : 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()};
/// The GLSL version
Version version{};
protected:
/// Validation errors
std::string err_;
/// Generated GLSL
std::string output_;
/// Run the writer on the IR module and validate the result.
/// @returns true if generation and validation succeeded
bool Generate() {
if (auto raised = Raise(mod); raised != Success) {
err_ = raised.Failure().reason.Str();
return false;
}
auto result = Print(mod, version);
if (result != Success) {
err_ = result.Failure().reason.Str();
return false;
}
output_ = result.Get();
return true;
}
/// @returns the metal header string
std::string GlslHeader() const {
std::stringstream ver;
ver << "#version " << version.major_version << version.minor_version << "0";
if (version.IsES()) {
ver << " es";
}
ver << "\n";
return ver.str();
}
};
using GlslPrinterTest = GlslPrinterTestHelperBase<testing::Test>;
template <typename T>
using GlslPrinterTestWithParam = GlslPrinterTestHelperBase<testing::TestWithParam<T>>;
} // namespace tint::glsl::writer
#endif // SRC_TINT_LANG_GLSL_WRITER_PRINTER_HELPER_TEST_H_