mirror of
https://github.com/triqs/dft_tools
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154 lines
5.8 KiB
C++
154 lines
5.8 KiB
C++
// 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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// Google Mock - a framework for writing C++ mock classes.
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//
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// This file implements some commonly used cardinalities. More
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// cardinalities can be defined by the user implementing the
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// CardinalityInterface interface if necessary.
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// GOOGLETEST_CM0002 DO NOT DELETE
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#ifndef GMOCK_INCLUDE_GMOCK_GMOCK_CARDINALITIES_H_
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#define GMOCK_INCLUDE_GMOCK_GMOCK_CARDINALITIES_H_
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#include <limits.h>
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#include <memory>
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#include <ostream> // NOLINT
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#include "gmock/internal/gmock-port.h"
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#include "gtest/gtest.h"
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GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
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/* class A needs to have dll-interface to be used by clients of class B */)
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namespace testing {
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// To implement a cardinality Foo, define:
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// 1. a class FooCardinality that implements the
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// CardinalityInterface interface, and
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// 2. a factory function that creates a Cardinality object from a
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// const FooCardinality*.
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//
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// The two-level delegation design follows that of Matcher, providing
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// consistency for extension developers. It also eases ownership
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// management as Cardinality objects can now be copied like plain values.
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// The implementation of a cardinality.
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class CardinalityInterface {
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public:
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virtual ~CardinalityInterface() {}
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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 0; }
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virtual int ConservativeUpperBound() const { return INT_MAX; }
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// Returns true if call_count calls will satisfy this cardinality.
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virtual bool IsSatisfiedByCallCount(int call_count) const = 0;
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// Returns true if call_count calls will saturate this cardinality.
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virtual bool IsSaturatedByCallCount(int call_count) const = 0;
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// Describes self to an ostream.
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virtual void DescribeTo(::std::ostream* os) const = 0;
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};
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// A Cardinality is a copyable and IMMUTABLE (except by assignment)
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// object that specifies how many times a mock function is expected to
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// be called. The implementation of Cardinality is just a std::shared_ptr
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// to const CardinalityInterface. Don't inherit from Cardinality!
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class GTEST_API_ Cardinality {
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public:
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// Constructs a null cardinality. Needed for storing Cardinality
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// objects in STL containers.
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Cardinality() {}
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// Constructs a Cardinality from its implementation.
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explicit Cardinality(const CardinalityInterface* impl) : impl_(impl) {}
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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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int ConservativeLowerBound() const { return impl_->ConservativeLowerBound(); }
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int ConservativeUpperBound() const { return impl_->ConservativeUpperBound(); }
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// Returns true if call_count calls will satisfy this cardinality.
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bool IsSatisfiedByCallCount(int call_count) const {
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return impl_->IsSatisfiedByCallCount(call_count);
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}
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// Returns true if call_count calls will saturate this cardinality.
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bool IsSaturatedByCallCount(int call_count) const {
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return impl_->IsSaturatedByCallCount(call_count);
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}
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// Returns true if call_count calls will over-saturate this
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// cardinality, i.e. exceed the maximum number of allowed calls.
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bool IsOverSaturatedByCallCount(int call_count) const {
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return impl_->IsSaturatedByCallCount(call_count) &&
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!impl_->IsSatisfiedByCallCount(call_count);
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}
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// Describes self to an ostream
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void DescribeTo(::std::ostream* os) const { impl_->DescribeTo(os); }
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// Describes the given actual call count to an ostream.
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static void DescribeActualCallCountTo(int actual_call_count,
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::std::ostream* os);
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private:
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std::shared_ptr<const CardinalityInterface> impl_;
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};
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// Creates a cardinality that allows at least n calls.
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GTEST_API_ Cardinality AtLeast(int n);
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// Creates a cardinality that allows at most n calls.
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GTEST_API_ Cardinality AtMost(int n);
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// Creates a cardinality that allows any number of calls.
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GTEST_API_ Cardinality AnyNumber();
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// Creates a cardinality that allows between min and max calls.
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GTEST_API_ Cardinality Between(int min, int max);
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// Creates a cardinality that allows exactly n calls.
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GTEST_API_ Cardinality Exactly(int n);
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// Creates a cardinality from its implementation.
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inline Cardinality MakeCardinality(const CardinalityInterface* c) {
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return Cardinality(c);
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}
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} // namespace testing
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GTEST_DISABLE_MSC_WARNINGS_POP_() // 4251
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#endif // GMOCK_INCLUDE_GMOCK_GMOCK_CARDINALITIES_H_
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