$$ -*- mode: c++; -*-

$var n = 50  $$ Maximum length of Values arguments we want to support.

$var maxtuple = 10  $$ Maximum number of Combine arguments we want to support.

// Copyright 2008 Google Inc.

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//

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// modification, are permitted provided that the following conditions are

// met:

//

//     * Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

//     * 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.

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// 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

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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

//

// Author: vladl@google.com (Vlad Losev)

// Type and function utilities for implementing parameterized tests.

// This file is generated by a SCRIPT.  DO NOT EDIT BY HAND!

//

// Currently Google Test supports at most $n arguments in Values,

// and at most $maxtuple arguments in Combine. Please contact

// googletestframework@googlegroups.com if you need more.

// Please note that the number of arguments to Combine is limited

// by the maximum arity of the implementation of tuple which is

// currently set at $maxtuple.

#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_GENERATED_H_

#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_GENERATED_H_

// scripts/fuse_gtest.py depends on gtest's own header being #included

// *unconditionally*.  Therefore these #includes cannot be moved

// inside #if GTEST_HAS_PARAM_TEST.

#include "gtest/internal/gtest-param-util.h"

#include "gtest/internal/gtest-port.h"

#if GTEST_HAS_PARAM_TEST

namespace testing {

// Forward declarations of ValuesIn(), which is implemented in

// include/gtest/gtest-param-test.h.

template <typename ForwardIterator>

internal::ParamGenerator<

  typename ::testing::internal::IteratorTraits<ForwardIterator>::value_type>

ValuesIn(ForwardIterator begin, ForwardIterator end);

template <typename T, size_t N>

internal::ParamGenerator<T> ValuesIn(const T (&array)[N]);

template <class Container>

internal::ParamGenerator<typename Container::value_type> ValuesIn(

    const Container& container);

namespace internal {

// Used in the Values() function to provide polymorphic capabilities.

$range i 1..n

$for i [[

$range j 1..i

template <$for j, [[typename T$j]]>

class ValueArray$i {

 public:

  $if i==1 [[explicit ]]ValueArray$i($for j, [[T$j v$j]]) : $for j, [[v$(j)_(v$j)]] {}

  template <typename T>

  operator ParamGenerator<T>() const {

    const T array[] = {$for j, [[static_cast<T>(v$(j)_)]]};

    return ValuesIn(array);

  }

 private:

  // No implementation - assignment is unsupported.

  void operator=(const ValueArray$i& other);

$for j [[

  const T$j v$(j)_;

]]

};

]]

# if GTEST_HAS_COMBINE

// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.

//

// Generates values from the Cartesian product of values produced

// by the argument generators.

//

$range i 2..maxtuple

$for i [[

$range j 1..i

$range k 2..i

template <$for j, [[typename T$j]]>

class CartesianProductGenerator$i

    : public ParamGeneratorInterface< ::testing::tuple<$for j, [[T$j]]> > {

 public:

  typedef ::testing::tuple<$for j, [[T$j]]> ParamType;

  CartesianProductGenerator$i($for j, [[const ParamGenerator<T$j>& g$j]])

      : $for j, [[g$(j)_(g$j)]] {}

  virtual ~CartesianProductGenerator$i() {}

  virtual ParamIteratorInterface<ParamType>* Begin() const {

    return new Iterator(this, $for j, [[g$(j)_, g$(j)_.begin()]]);

  }

  virtual ParamIteratorInterface<ParamType>* End() const {

    return new Iterator(this, $for j, [[g$(j)_, g$(j)_.end()]]);

  }

 private:

  class Iterator : public ParamIteratorInterface<ParamType> {

   public:

    Iterator(const ParamGeneratorInterface<ParamType>* base, $for j, [[

      const ParamGenerator<T$j>& g$j,

      const typename ParamGenerator<T$j>::iterator& current$(j)]])

        : base_(base),

$for j, [[

          begin$(j)_(g$j.begin()), end$(j)_(g$j.end()), current$(j)_(current$j)

]]    {

      ComputeCurrentValue();

    }

    virtual ~Iterator() {}

    virtual const ParamGeneratorInterface<ParamType>* BaseGenerator() const {

      return base_;

    }

    // Advance should not be called on beyond-of-range iterators

    // so no component iterators must be beyond end of range, either.

    virtual void Advance() {

      assert(!AtEnd());

      ++current$(i)_;

$for k [[

      if (current$(i+2-k)_ == end$(i+2-k)_) {

        current$(i+2-k)_ = begin$(i+2-k)_;

        ++current$(i+2-k-1)_;

      }

]]

      ComputeCurrentValue();

    }

    virtual ParamIteratorInterface<ParamType>* Clone() const {

      return new Iterator(*this);

    }

    virtual const ParamType* Current() const { return &current_value_; }

    virtual bool Equals(const ParamIteratorInterface<ParamType>& other) const {

      // Having the same base generator guarantees that the other

      // iterator is of the same type and we can downcast.

      GTEST_CHECK_(BaseGenerator() == other.BaseGenerator())

          << "The program attempted to compare iterators "

          << "from different generators." << std::endl;

      const Iterator* typed_other =

          CheckedDowncastToActualType<const Iterator>(&other);

      // We must report iterators equal if they both point beyond their

      // respective ranges. That can happen in a variety of fashions,

      // so we have to consult AtEnd().

      return (AtEnd() && typed_other->AtEnd()) ||

         ($for j  && [[

          current$(j)_ == typed_other->current$(j)_

]]);

    }

   private:

    Iterator(const Iterator& other)

        : base_(other.base_), $for j, [[

        begin$(j)_(other.begin$(j)_),

        end$(j)_(other.end$(j)_),

        current$(j)_(other.current$(j)_)

]] {

      ComputeCurrentValue();

    }

    void ComputeCurrentValue() {

      if (!AtEnd())

        current_value_ = ParamType($for j, [[*current$(j)_]]);

    }

    bool AtEnd() const {

      // We must report iterator past the end of the range when either of the

      // component iterators has reached the end of its range.

      return

$for j  || [[

          current$(j)_ == end$(j)_

]];

    }

    // No implementation - assignment is unsupported.

    void operator=(const Iterator& other);

    const ParamGeneratorInterface<ParamType>* const base_;

    // begin[i]_ and end[i]_ define the i-th range that Iterator traverses.

    // current[i]_ is the actual traversing iterator.

$for j [[

    const typename ParamGenerator<T$j>::iterator begin$(j)_;

    const typename ParamGenerator<T$j>::iterator end$(j)_;

    typename ParamGenerator<T$j>::iterator current$(j)_;

]]

    ParamType current_value_;

  };  // class CartesianProductGenerator$i::Iterator

  // No implementation - assignment is unsupported.

  void operator=(const CartesianProductGenerator$i& other);

$for j [[

  const ParamGenerator<T$j> g$(j)_;

]]

};  // class CartesianProductGenerator$i

]]

// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.

//

// Helper classes providing Combine() with polymorphic features. They allow

// casting CartesianProductGeneratorN<T> to ParamGenerator<U> if T is

// convertible to U.

//

$range i 2..maxtuple

$for i [[

$range j 1..i

template <$for j, [[class Generator$j]]>

class CartesianProductHolder$i {

 public:

CartesianProductHolder$i($for j, [[const Generator$j& g$j]])

      : $for j, [[g$(j)_(g$j)]] {}

  template <$for j, [[typename T$j]]>

  operator ParamGenerator< ::testing::tuple<$for j, [[T$j]]> >() const {

    return ParamGenerator< ::testing::tuple<$for j, [[T$j]]> >(

        new CartesianProductGenerator$i<$for j, [[T$j]]>(

$for j,[[

        static_cast<ParamGenerator<T$j> >(g$(j)_)

]]));

  }

 private:

  // No implementation - assignment is unsupported.

  void operator=(const CartesianProductHolder$i& other);

$for j [[

  const Generator$j g$(j)_;

]]

};  // class CartesianProductHolder$i

]]

# endif  // GTEST_HAS_COMBINE

}  // namespace internal

}  // namespace testing

#endif  //  GTEST_HAS_PARAM_TEST

#endif  // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_GENERATED_H_