| Index: testing/gmock/src/gmock-cardinalities.cc
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| diff --git a/testing/gmock/src/gmock-cardinalities.cc b/testing/gmock/src/gmock-cardinalities.cc
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..07eed469175e6dcc85b91beca075436cd1a8e330
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| --- /dev/null
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| +++ b/testing/gmock/src/gmock-cardinalities.cc
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| @@ -0,0 +1,155 @@
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| +// Copyright 2007, Google Inc.
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| +// All rights reserved.
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| +//
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| +// Redistribution and use in source and binary forms, with or without
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| +// modification, are permitted provided that the following conditions are
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| +// met:
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| +//
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| +//     * Redistributions of source code must retain the above copyright
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| +// notice, this list of conditions and the following disclaimer.
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| +//     * Redistributions in binary form must reproduce the above
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| +// copyright notice, this list of conditions and the following disclaimer
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| +// in the documentation and/or other materials provided with the
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| +// distribution.
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| +//     * Neither the name of Google Inc. nor the names of its
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| +// contributors may be used to endorse or promote products derived from
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| +// this software without specific prior written permission.
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| +//
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| +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| +//
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| +// Author: wan@google.com (Zhanyong Wan)
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| +
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| +// Google Mock - a framework for writing C++ mock classes.
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| +//
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| +// This file implements cardinalities.
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| +
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| +#include <gmock/gmock-cardinalities.h>
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| +
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| +#include <limits.h>
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| +#include <ostream>  // NOLINT
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| +#include <sstream>
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| +#include <string>
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| +#include <gmock/internal/gmock-internal-utils.h>
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| +#include <gtest/gtest.h>
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| +
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| +namespace testing {
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| +
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| +namespace {
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| +
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| +// Implements the Between(m, n) cardinality.
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| +class BetweenCardinalityImpl : public CardinalityInterface {
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| + public:
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| +  BetweenCardinalityImpl(int min, int max)
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| +      : min_(min >= 0 ? min : 0),
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| +        max_(max >= min_ ? max : min_) {
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| +    std::stringstream ss;
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| +    if (min < 0) {
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| +      ss << "The invocation lower bound must be >= 0, "
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| +         << "but is actually " << min << ".";
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| +      internal::Expect(false, __FILE__, __LINE__, ss.str());
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| +    } else if (max < 0) {
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| +      ss << "The invocation upper bound must be >= 0, "
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| +         << "but is actually " << max << ".";
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| +      internal::Expect(false, __FILE__, __LINE__, ss.str());
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| +    } else if (min > max) {
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| +      ss << "The invocation upper bound (" << max
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| +         << ") must be >= the invocation lower bound (" << min
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| +         << ").";
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| +      internal::Expect(false, __FILE__, __LINE__, ss.str());
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| +    }
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| +  }
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| +
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| +  // Conservative estimate on the lower/upper bound of the number of
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| +  // calls allowed.
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| +  virtual int ConservativeLowerBound() const { return min_; }
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| +  virtual int ConservativeUpperBound() const { return max_; }
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| +
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| +  virtual bool IsSatisfiedByCallCount(int call_count) const {
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| +    return min_ <= call_count && call_count <= max_ ;
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| +  }
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| +
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| +  virtual bool IsSaturatedByCallCount(int call_count) const {
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| +    return call_count >= max_;
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| +  }
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| +
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| +  virtual void DescribeTo(::std::ostream* os) const;
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| + private:
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| +  const int min_;
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| +  const int max_;
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| +
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| +  GTEST_DISALLOW_COPY_AND_ASSIGN_(BetweenCardinalityImpl);
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| +};
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| +
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| +// Formats "n times" in a human-friendly way.
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| +inline internal::string FormatTimes(int n) {
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| +  if (n == 1) {
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| +    return "once";
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| +  } else if (n == 2) {
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| +    return "twice";
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| +  } else {
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| +    std::stringstream ss;
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| +    ss << n << " times";
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| +    return ss.str();
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| +  }
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| +}
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| +
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| +// Describes the Between(m, n) cardinality in human-friendly text.
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| +void BetweenCardinalityImpl::DescribeTo(::std::ostream* os) const {
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| +  if (min_ == 0) {
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| +    if (max_ == 0) {
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| +      *os << "never called";
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| +    } else if (max_ == INT_MAX) {
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| +      *os << "called any number of times";
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| +    } else {
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| +      *os << "called at most " << FormatTimes(max_);
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| +    }
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| +  } else if (min_ == max_) {
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| +    *os << "called " << FormatTimes(min_);
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| +  } else if (max_ == INT_MAX) {
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| +    *os << "called at least " << FormatTimes(min_);
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| +  } else {
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| +    // 0 < min_ < max_ < INT_MAX
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| +    *os << "called between " << min_ << " and " << max_ << " times";
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| +  }
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| +}
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| +
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| +}  // Unnamed namespace
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| +
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| +// Describes the given call count to an ostream.
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| +void Cardinality::DescribeActualCallCountTo(int actual_call_count,
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| +                                            ::std::ostream* os) {
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| +  if (actual_call_count > 0) {
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| +    *os << "called " << FormatTimes(actual_call_count);
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| +  } else {
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| +    *os << "never called";
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| +  }
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| +}
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| +
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| +// Creates a cardinality that allows at least n calls.
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| +Cardinality AtLeast(int n) { return Between(n, INT_MAX); }
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| +
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| +// Creates a cardinality that allows at most n calls.
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| +Cardinality AtMost(int n) { return Between(0, n); }
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| +
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| +// Creates a cardinality that allows any number of calls.
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| +Cardinality AnyNumber() { return AtLeast(0); }
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| +
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| +// Creates a cardinality that allows between min and max calls.
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| +Cardinality Between(int min, int max) {
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| +  return Cardinality(new BetweenCardinalityImpl(min, max));
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| +}
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| +
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| +// Creates a cardinality that allows exactly n calls.
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| +Cardinality Exactly(int n) { return Between(n, n); }
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| +
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| +}  // namespace testing
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| 
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