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#include <string>
#include "base/base.h"

namespace mozc {
class Segments;
class ConverterInterface;

namespace quality_regression {

class QualityRegressionUtil {
 public:
  // bit fields
  enum Platform {
    DESKTOP = 1,
    OSS = 2,
  };

  struct TestItem {
    string label;
    string key;
    string expected_value;
    string command;
    int    expected_rank;
    double accuracy;
    // Target platform. Can set multiple platform defined in enum |Platform|.
    uint32 platform;
    string OutputAsTSV() const;
    bool ParseFromTSV(const string &tsv_line);
  };

  QualityRegressionUtil();
  explicit QualityRegressionUtil(ConverterInterface *converter);
  virtual ~QualityRegressionUtil();

  // Pase |filename| and save the all test items into |outputs|.
  static bool ParseFile(const string &filename,
                        vector<TestItem> *outputs);

  bool ConvertAndTest(const TestItem &item,
                      string *actual_value);

 private:
  ConverterInterface *converter_;
  scoped_ptr<Segments> segments_;
};
}  // quality_regression
}  // mozc