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libcares/test/gmock-1.8.0/gmock/gmock.h  view on Meta::CPAN

};
struct AnyGe {
  template <typename A, typename B>
  bool operator()(const A& a, const B& b) const { return a >= b; }
};

// A match result listener that ignores the explanation.
class DummyMatchResultListener : public MatchResultListener {
 public:
  DummyMatchResultListener() : MatchResultListener(NULL) {}

 private:
  GTEST_DISALLOW_COPY_AND_ASSIGN_(DummyMatchResultListener);
};

// A match result listener that forwards the explanation to a given
// ostream.  The difference between this and MatchResultListener is
// that the former is concrete.
class StreamMatchResultListener : public MatchResultListener {
 public:
  explicit StreamMatchResultListener(::std::ostream* os)
      : MatchResultListener(os) {}

 private:
  GTEST_DISALLOW_COPY_AND_ASSIGN_(StreamMatchResultListener);
};

// An internal class for implementing Matcher<T>, which will derive
// from it.  We put functionalities common to all Matcher<T>
// specializations here to avoid code duplication.
template <typename T>
class MatcherBase {
 public:
  // Returns true iff the matcher matches x; also explains the match
  // result to 'listener'.
  bool MatchAndExplain(T x, MatchResultListener* listener) const {
    return impl_->MatchAndExplain(x, listener);
  }

  // Returns true iff this matcher matches x.
  bool Matches(T x) const {
    DummyMatchResultListener dummy;
    return MatchAndExplain(x, &dummy);
  }

  // Describes this matcher to an ostream.
  void DescribeTo(::std::ostream* os) const { impl_->DescribeTo(os); }

  // Describes the negation of this matcher to an ostream.
  void DescribeNegationTo(::std::ostream* os) const {
    impl_->DescribeNegationTo(os);
  }

  // Explains why x matches, or doesn't match, the matcher.
  void ExplainMatchResultTo(T x, ::std::ostream* os) const {
    StreamMatchResultListener listener(os);
    MatchAndExplain(x, &listener);
  }

  // Returns the describer for this matcher object; retains ownership
  // of the describer, which is only guaranteed to be alive when
  // this matcher object is alive.
  const MatcherDescriberInterface* GetDescriber() const {
    return impl_.get();
  }

 protected:
  MatcherBase() {}

  // Constructs a matcher from its implementation.
  explicit MatcherBase(const MatcherInterface<T>* impl)
      : impl_(impl) {}

  virtual ~MatcherBase() {}

 private:
  // shared_ptr (util/gtl/shared_ptr.h) and linked_ptr have similar
  // interfaces.  The former dynamically allocates a chunk of memory
  // to hold the reference count, while the latter tracks all
  // references using a circular linked list without allocating
  // memory.  It has been observed that linked_ptr performs better in
  // typical scenarios.  However, shared_ptr can out-perform
  // linked_ptr when there are many more uses of the copy constructor
  // than the default constructor.
  //
  // If performance becomes a problem, we should see if using
  // shared_ptr helps.
  ::testing::internal::linked_ptr<const MatcherInterface<T> > impl_;
};

}  // namespace internal

// A Matcher<T> is a copyable and IMMUTABLE (except by assignment)
// object that can check whether a value of type T matches.  The
// implementation of Matcher<T> is just a linked_ptr to const
// MatcherInterface<T>, so copying is fairly cheap.  Don't inherit
// from Matcher!
template <typename T>
class Matcher : public internal::MatcherBase<T> {
 public:
  // Constructs a null matcher.  Needed for storing Matcher objects in STL
  // containers.  A default-constructed matcher is not yet initialized.  You
  // cannot use it until a valid value has been assigned to it.
  explicit Matcher() {}  // NOLINT

  // Constructs a matcher from its implementation.
  explicit Matcher(const MatcherInterface<T>* impl)
      : internal::MatcherBase<T>(impl) {}

  // Implicit constructor here allows people to write
  // EXPECT_CALL(foo, Bar(5)) instead of EXPECT_CALL(foo, Bar(Eq(5))) sometimes
  Matcher(T value);  // NOLINT
};

// The following two specializations allow the user to write str
// instead of Eq(str) and "foo" instead of Eq("foo") when a string
// matcher is expected.
template <>
class GTEST_API_ Matcher<const internal::string&>
    : public internal::MatcherBase<const internal::string&> {
 public:
  Matcher() {}

libcares/test/gmock-1.8.0/gmock/gmock.h  view on Meta::CPAN

// Use NextGraph() to iterate over all possible edge configurations.
// Use Randomize() to generate a random edge configuration.
class GTEST_API_ MatchMatrix {
 public:
  MatchMatrix(size_t num_elements, size_t num_matchers)
      : num_elements_(num_elements),
        num_matchers_(num_matchers),
        matched_(num_elements_* num_matchers_, 0) {
  }

  size_t LhsSize() const { return num_elements_; }
  size_t RhsSize() const { return num_matchers_; }
  bool HasEdge(size_t ilhs, size_t irhs) const {
    return matched_[SpaceIndex(ilhs, irhs)] == 1;
  }
  void SetEdge(size_t ilhs, size_t irhs, bool b) {
    matched_[SpaceIndex(ilhs, irhs)] = b ? 1 : 0;
  }

  // Treating the connectivity matrix as a (LhsSize()*RhsSize())-bit number,
  // adds 1 to that number; returns false if incrementing the graph left it
  // empty.
  bool NextGraph();

  void Randomize();

  string DebugString() const;

 private:
  size_t SpaceIndex(size_t ilhs, size_t irhs) const {
    return ilhs * num_matchers_ + irhs;
  }

  size_t num_elements_;
  size_t num_matchers_;

  // Each element is a char interpreted as bool. They are stored as a
  // flattened array in lhs-major order, use 'SpaceIndex()' to translate
  // a (ilhs, irhs) matrix coordinate into an offset.
  ::std::vector<char> matched_;
};

typedef ::std::pair<size_t, size_t> ElementMatcherPair;
typedef ::std::vector<ElementMatcherPair> ElementMatcherPairs;

// Returns a maximum bipartite matching for the specified graph 'g'.
// The matching is represented as a vector of {element, matcher} pairs.
GTEST_API_ ElementMatcherPairs
FindMaxBipartiteMatching(const MatchMatrix& g);

GTEST_API_ bool FindPairing(const MatchMatrix& matrix,
                            MatchResultListener* listener);

// Untyped base class for implementing UnorderedElementsAre.  By
// putting logic that's not specific to the element type here, we
// reduce binary bloat and increase compilation speed.
class GTEST_API_ UnorderedElementsAreMatcherImplBase {
 protected:
  // A vector of matcher describers, one for each element matcher.
  // Does not own the describers (and thus can be used only when the
  // element matchers are alive).
  typedef ::std::vector<const MatcherDescriberInterface*> MatcherDescriberVec;

  // Describes this UnorderedElementsAre matcher.
  void DescribeToImpl(::std::ostream* os) const;

  // Describes the negation of this UnorderedElementsAre matcher.
  void DescribeNegationToImpl(::std::ostream* os) const;

  bool VerifyAllElementsAndMatchersAreMatched(
      const ::std::vector<string>& element_printouts,
      const MatchMatrix& matrix,
      MatchResultListener* listener) const;

  MatcherDescriberVec& matcher_describers() {
    return matcher_describers_;
  }

  static Message Elements(size_t n) {
    return Message() << n << " element" << (n == 1 ? "" : "s");
  }

 private:
  MatcherDescriberVec matcher_describers_;

  GTEST_DISALLOW_ASSIGN_(UnorderedElementsAreMatcherImplBase);
};

// Implements unordered ElementsAre and unordered ElementsAreArray.
template <typename Container>
class UnorderedElementsAreMatcherImpl
    : public MatcherInterface<Container>,
      public UnorderedElementsAreMatcherImplBase {
 public:
  typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer;
  typedef internal::StlContainerView<RawContainer> View;
  typedef typename View::type StlContainer;
  typedef typename View::const_reference StlContainerReference;
  typedef typename StlContainer::const_iterator StlContainerConstIterator;
  typedef typename StlContainer::value_type Element;

  // Constructs the matcher from a sequence of element values or
  // element matchers.
  template <typename InputIter>
  UnorderedElementsAreMatcherImpl(InputIter first, InputIter last) {
    for (; first != last; ++first) {
      matchers_.push_back(MatcherCast<const Element&>(*first));
      matcher_describers().push_back(matchers_.back().GetDescriber());
    }
  }

  // Describes what this matcher does.
  virtual void DescribeTo(::std::ostream* os) const {
    return UnorderedElementsAreMatcherImplBase::DescribeToImpl(os);
  }

  // Describes what the negation of this matcher does.
  virtual void DescribeNegationTo(::std::ostream* os) const {
    return UnorderedElementsAreMatcherImplBase::DescribeNegationToImpl(os);
  }