elemental_matcher.h

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// Copyright 2010-2025 Google LLC
// 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,
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#ifndef OR_TOOLS_MATH_OPT_ELEMENTAL_ELEMENTAL_MATCHER_H_
#define OR_TOOLS_MATH_OPT_ELEMENTAL_ELEMENTAL_MATCHER_H_
 
#include <ostream>
 
#include "absl/base/attributes.h"
#include "ortools/base/gmock.h"
#include "ortools/math_opt/elemental/elemental.h"
#include "ortools/math_opt/elemental/elemental_differencer.h"
 
namespace operations_research::math_opt {
 
class ElementalMatcher {
 public:
  using is_gtest_matcher = void;
 
  explicit ElementalMatcher(const Elemental& expected
                                ABSL_ATTRIBUTE_LIFETIME_BOUND,
                            const ElementalDifferenceOptions& options);
 
  bool MatchAndExplain(const Elemental& actual, std::ostream* os) const;
 
  void DescribeTo(std::ostream* os) const;
 
  void DescribeNegationTo(std::ostream* os) const;
 
 private:
  const Elemental* expected_;
  ElementalDifferenceOptions options_;
};
 
inline testing::Matcher<const Elemental&> EquivToElemental(
    const Elemental& expected ABSL_ATTRIBUTE_LIFETIME_BOUND,
    const ElementalDifferenceOptions& options = {}) {
  return ElementalMatcher(expected, options);
}
 
}  // namespace operations_research::math_opt
 
#endif  // OR_TOOLS_MATH_OPT_ELEMENTAL_ELEMENTAL_MATCHER_H_