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https://github.com/gperftools/gperftools
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121 lines
4.4 KiB
C++
121 lines
4.4 KiB
C++
// Copyright 2013, 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 matchers that depend on gmock-matchers.h.
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//
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// Note that tests are implemented in gmock-matchers_test.cc rather than
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// gmock-more-matchers-test.cc.
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// IWYU pragma: private, include "gmock/gmock.h"
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// IWYU pragma: friend gmock/.*
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#ifndef GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MORE_MATCHERS_H_
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#define GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MORE_MATCHERS_H_
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#include <ostream>
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#include <string>
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#include "gmock/gmock-matchers.h"
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namespace testing {
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// Silence C4100 (unreferenced formal
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// parameter) for MSVC
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GTEST_DISABLE_MSC_WARNINGS_PUSH_(4100)
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#if defined(_MSC_VER) && (_MSC_VER == 1900)
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// and silence C4800 (C4800: 'int *const ': forcing value
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// to bool 'true' or 'false') for MSVC 14
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GTEST_DISABLE_MSC_WARNINGS_PUSH_(4800)
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#endif
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namespace internal {
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// Implements the polymorphic IsEmpty matcher, which
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// can be used as a Matcher<T> as long as T is either a container that defines
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// empty() and size() (e.g. std::vector or std::string), or a C-style string.
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class IsEmptyMatcher {
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public:
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// Matches anything that defines empty() and size().
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template <typename MatcheeContainerType>
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bool MatchAndExplain(const MatcheeContainerType& c,
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MatchResultListener* listener) const {
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if (c.empty()) {
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return true;
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}
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*listener << "whose size is " << c.size();
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return false;
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}
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// Matches C-style strings.
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bool MatchAndExplain(const char* s, MatchResultListener* listener) const {
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return MatchAndExplain(std::string(s), listener);
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}
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// Describes what this matcher matches.
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void DescribeTo(std::ostream* os) const { *os << "is empty"; }
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void DescribeNegationTo(std::ostream* os) const { *os << "isn't empty"; }
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};
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} // namespace internal
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// Creates a polymorphic matcher that matches an empty container or C-style
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// string. The container must support both size() and empty(), which all
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// STL-like containers provide.
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inline PolymorphicMatcher<internal::IsEmptyMatcher> IsEmpty() {
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return MakePolymorphicMatcher(internal::IsEmptyMatcher());
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}
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// Define a matcher that matches a value that evaluates in boolean
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// context to true. Useful for types that define "explicit operator
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// bool" operators and so can't be compared for equality with true
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// and false.
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MATCHER(IsTrue, negation ? "is false" : "is true") {
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return static_cast<bool>(arg);
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}
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// Define a matcher that matches a value that evaluates in boolean
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// context to false. Useful for types that define "explicit operator
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// bool" operators and so can't be compared for equality with true
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// and false.
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MATCHER(IsFalse, negation ? "is true" : "is false") {
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return !static_cast<bool>(arg);
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}
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#if defined(_MSC_VER) && (_MSC_VER == 1900)
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GTEST_DISABLE_MSC_WARNINGS_POP_() // 4800
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#endif
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GTEST_DISABLE_MSC_WARNINGS_POP_() // 4100
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} // namespace testing
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#endif // GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MORE_MATCHERS_H_
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