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#ifndef SRC_TINT_LANG_WGSL_READER_PARSER_HELPER_TEST_H_
#define SRC_TINT_LANG_WGSL_READER_PARSER_HELPER_TEST_H_

#include <memory>
#include <string>
#include <utility>
#include <vector>

#include "gtest/gtest.h"
#include "src/tint/lang/wgsl/reader/parser/parser.h"

namespace tint::wgsl::reader {

/// WGSL Parser test class
class WGSLParserTest : public testing::Test {
  public:
    /// Constructor
    WGSLParserTest();
    ~WGSLParserTest() override;

    /// Retrieves the parser from the helper
    /// @param str the string to parse
    /// @returns the parser implementation
    std::unique_ptr<Parser> parser(const std::string& str) {
        auto file = std::make_unique<Source::File>("test.wgsl", str);
        auto impl = std::make_unique<Parser>(file.get());
        impl->InitializeLex();
        files_.emplace_back(std::move(file));
        return impl;
    }

  private:
    std::vector<std::unique_ptr<Source::File>> files_;
};

/// WGSL Parser test class with param
template <typename T>
class WGSLParserTestWithParam : public testing::TestWithParam<T>, public ProgramBuilder {
  public:
    /// Constructor
    WGSLParserTestWithParam() = default;
    ~WGSLParserTestWithParam() override = default;

    /// Retrieves the parser from the helper
    /// @param str the string to parse
    /// @returns the parser implementation
    std::unique_ptr<Parser> parser(const std::string& str) {
        auto file = std::make_unique<Source::File>("test.wgsl", str);
        auto impl = std::make_unique<Parser>(file.get());
        impl->InitializeLex();
        files_.emplace_back(std::move(file));
        return impl;
    }

  private:
    std::vector<std::unique_ptr<Source::File>> files_;
};

}  // namespace tint::wgsl::reader

#endif  // SRC_TINT_LANG_WGSL_READER_PARSER_HELPER_TEST_H_