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