Index: testing/gmock/src/gmock-cardinalities.cc |
diff --git a/testing/gmock/src/gmock-cardinalities.cc b/testing/gmock/src/gmock-cardinalities.cc |
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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 internal::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. |
+Cardinality AtLeast(int n) { return Between(n, INT_MAX); } |
+ |
+// Creates a cardinality that allows at most n calls. |
+Cardinality AtMost(int n) { return Between(0, n); } |
+ |
+// Creates a cardinality that allows any number of calls. |
+Cardinality AnyNumber() { return AtLeast(0); } |
+ |
+// Creates a cardinality that allows between min and max calls. |
+Cardinality Between(int min, int max) { |
+ return Cardinality(new BetweenCardinalityImpl(min, max)); |
+} |
+ |
+// Creates a cardinality that allows exactly n calls. |
+Cardinality Exactly(int n) { return Between(n, n); } |
+ |
+} // namespace testing |