+++ /dev/null
-// 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 defines some utilities useful for implementing Google
-// Mock. They are subject to change without notice, so please DO NOT
-// USE THEM IN USER CODE.
-
-#ifndef GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_INTERNAL_UTILS_H_
-#define GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_INTERNAL_UTILS_H_
-
-#include <stdio.h>
-#include <ostream> // NOLINT
-#include <string>
-
-#include <gmock/internal/gmock-generated-internal-utils.h>
-#include <gmock/internal/gmock-port.h>
-#include <gtest/gtest.h>
-
-// Concatenates two pre-processor symbols; works for concatenating
-// built-in macros like __FILE__ and __LINE__.
-#define GMOCK_CONCAT_TOKEN_IMPL_(foo, bar) foo##bar
-#define GMOCK_CONCAT_TOKEN_(foo, bar) GMOCK_CONCAT_TOKEN_IMPL_(foo, bar)
-
-#ifdef __GNUC__
-#define GMOCK_ATTRIBUTE_UNUSED_ __attribute__ ((unused))
-#else
-#define GMOCK_ATTRIBUTE_UNUSED_
-#endif // __GNUC__
-
-class ProtocolMessage;
-namespace proto2 { class Message; }
-
-namespace testing {
-namespace internal {
-
-// Converts an identifier name to a space-separated list of lower-case
-// words. Each maximum substring of the form [A-Za-z][a-z]*|\d+ is
-// treated as one word. For example, both "FooBar123" and
-// "foo_bar_123" are converted to "foo bar 123".
-string ConvertIdentifierNameToWords(const char* id_name);
-
-// Defining a variable of type CompileAssertTypesEqual<T1, T2> will cause a
-// compiler error iff T1 and T2 are different types.
-template <typename T1, typename T2>
-struct CompileAssertTypesEqual;
-
-template <typename T>
-struct CompileAssertTypesEqual<T, T> {
-};
-
-// Removes the reference from a type if it is a reference type,
-// otherwise leaves it unchanged. This is the same as
-// tr1::remove_reference, which is not widely available yet.
-template <typename T>
-struct RemoveReference { typedef T type; }; // NOLINT
-template <typename T>
-struct RemoveReference<T&> { typedef T type; }; // NOLINT
-
-// A handy wrapper around RemoveReference that works when the argument
-// T depends on template parameters.
-#define GMOCK_REMOVE_REFERENCE_(T) \
- typename ::testing::internal::RemoveReference<T>::type
-
-// Removes const from a type if it is a const type, otherwise leaves
-// it unchanged. This is the same as tr1::remove_const, which is not
-// widely available yet.
-template <typename T>
-struct RemoveConst { typedef T type; }; // NOLINT
-template <typename T>
-struct RemoveConst<const T> { typedef T type; }; // NOLINT
-
-// A handy wrapper around RemoveConst that works when the argument
-// T depends on template parameters.
-#define GMOCK_REMOVE_CONST_(T) \
- typename ::testing::internal::RemoveConst<T>::type
-
-// Adds reference to a type if it is not a reference type,
-// otherwise leaves it unchanged. This is the same as
-// tr1::add_reference, which is not widely available yet.
-template <typename T>
-struct AddReference { typedef T& type; }; // NOLINT
-template <typename T>
-struct AddReference<T&> { typedef T& type; }; // NOLINT
-
-// A handy wrapper around AddReference that works when the argument T
-// depends on template parameters.
-#define GMOCK_ADD_REFERENCE_(T) \
- typename ::testing::internal::AddReference<T>::type
-
-// Adds a reference to const on top of T as necessary. For example,
-// it transforms
-//
-// char ==> const char&
-// const char ==> const char&
-// char& ==> const char&
-// const char& ==> const char&
-//
-// The argument T must depend on some template parameters.
-#define GMOCK_REFERENCE_TO_CONST_(T) \
- GMOCK_ADD_REFERENCE_(const GMOCK_REMOVE_REFERENCE_(T))
-
-// PointeeOf<Pointer>::type is the type of a value pointed to by a
-// Pointer, which can be either a smart pointer or a raw pointer. The
-// following default implementation is for the case where Pointer is a
-// smart pointer.
-template <typename Pointer>
-struct PointeeOf {
- // Smart pointer classes define type element_type as the type of
- // their pointees.
- typedef typename Pointer::element_type type;
-};
-// This specialization is for the raw pointer case.
-template <typename T>
-struct PointeeOf<T*> { typedef T type; }; // NOLINT
-
-// GetRawPointer(p) returns the raw pointer underlying p when p is a
-// smart pointer, or returns p itself when p is already a raw pointer.
-// The following default implementation is for the smart pointer case.
-template <typename Pointer>
-inline typename Pointer::element_type* GetRawPointer(const Pointer& p) {
- return p.get();
-}
-// This overloaded version is for the raw pointer case.
-template <typename Element>
-inline Element* GetRawPointer(Element* p) { return p; }
-
-// This comparator allows linked_ptr to be stored in sets.
-template <typename T>
-struct LinkedPtrLessThan {
- bool operator()(const ::testing::internal::linked_ptr<T>& lhs,
- const ::testing::internal::linked_ptr<T>& rhs) const {
- return lhs.get() < rhs.get();
- }
-};
-
-// ImplicitlyConvertible<From, To>::value is a compile-time bool
-// constant that's true iff type From can be implicitly converted to
-// type To.
-template <typename From, typename To>
-class ImplicitlyConvertible {
- private:
- // We need the following helper functions only for their types.
- // They have no implementations.
-
- // MakeFrom() is an expression whose type is From. We cannot simply
- // use From(), as the type From may not have a public default
- // constructor.
- static From MakeFrom();
-
- // These two functions are overloaded. Given an expression
- // Helper(x), the compiler will pick the first version if x can be
- // implicitly converted to type To; otherwise it will pick the
- // second version.
- //
- // The first version returns a value of size 1, and the second
- // version returns a value of size 2. Therefore, by checking the
- // size of Helper(x), which can be done at compile time, we can tell
- // which version of Helper() is used, and hence whether x can be
- // implicitly converted to type To.
- static char Helper(To);
- static char (&Helper(...))[2]; // NOLINT
-
- // We have to put the 'public' section after the 'private' section,
- // or MSVC refuses to compile the code.
- public:
- // MSVC warns about implicitly converting from double to int for
- // possible loss of data, so we need to temporarily disable the
- // warning.
-#ifdef _MSC_VER
-#pragma warning(push) // Saves the current warning state.
-#pragma warning(disable:4244) // Temporarily disables warning 4244.
- static const bool value =
- sizeof(Helper(ImplicitlyConvertible::MakeFrom())) == 1;
-#pragma warning(pop) // Restores the warning state.
-#else
- static const bool value =
- sizeof(Helper(ImplicitlyConvertible::MakeFrom())) == 1;
-#endif // _MSV_VER
-};
-template <typename From, typename To>
-const bool ImplicitlyConvertible<From, To>::value;
-
-// In what follows, we use the term "kind" to indicate whether a type
-// is bool, an integer type (excluding bool), a floating-point type,
-// or none of them. This categorization is useful for determining
-// when a matcher argument type can be safely converted to another
-// type in the implementation of SafeMatcherCast.
-enum TypeKind {
- kBool, kInteger, kFloatingPoint, kOther
-};
-
-// KindOf<T>::value is the kind of type T.
-template <typename T> struct KindOf {
- enum { value = kOther }; // The default kind.
-};
-
-// This macro declares that the kind of 'type' is 'kind'.
-#define GMOCK_DECLARE_KIND_(type, kind) \
- template <> struct KindOf<type> { enum { value = kind }; }
-
-GMOCK_DECLARE_KIND_(bool, kBool);
-
-// All standard integer types.
-GMOCK_DECLARE_KIND_(char, kInteger);
-GMOCK_DECLARE_KIND_(signed char, kInteger);
-GMOCK_DECLARE_KIND_(unsigned char, kInteger);
-GMOCK_DECLARE_KIND_(short, kInteger); // NOLINT
-GMOCK_DECLARE_KIND_(unsigned short, kInteger); // NOLINT
-GMOCK_DECLARE_KIND_(int, kInteger);
-GMOCK_DECLARE_KIND_(unsigned int, kInteger);
-GMOCK_DECLARE_KIND_(long, kInteger); // NOLINT
-GMOCK_DECLARE_KIND_(unsigned long, kInteger); // NOLINT
-
-// MSVC can be configured to define wchar_t as a typedef of unsigned
-// short. It defines _NATIVE_WCHAR_T_DEFINED symbol when wchar_t is a
-// native type.
-#if !defined(_MSC_VER) || defined(_NATIVE_WCHAR_T_DEFINED)
-GMOCK_DECLARE_KIND_(wchar_t, kInteger);
-#endif
-
-// Non-standard integer types.
-GMOCK_DECLARE_KIND_(Int64, kInteger);
-GMOCK_DECLARE_KIND_(UInt64, kInteger);
-
-// All standard floating-point types.
-GMOCK_DECLARE_KIND_(float, kFloatingPoint);
-GMOCK_DECLARE_KIND_(double, kFloatingPoint);
-GMOCK_DECLARE_KIND_(long double, kFloatingPoint);
-
-#undef GMOCK_DECLARE_KIND_
-
-// Evaluates to the kind of 'type'.
-#define GMOCK_KIND_OF_(type) \
- static_cast< ::testing::internal::TypeKind>( \
- ::testing::internal::KindOf<type>::value)
-
-// Evaluates to true iff integer type T is signed.
-#define GMOCK_IS_SIGNED_(T) (static_cast<T>(-1) < 0)
-
-// LosslessArithmeticConvertibleImpl<kFromKind, From, kToKind, To>::value
-// is true iff arithmetic type From can be losslessly converted to
-// arithmetic type To.
-//
-// It's the user's responsibility to ensure that both From and To are
-// raw (i.e. has no CV modifier, is not a pointer, and is not a
-// reference) built-in arithmetic types, kFromKind is the kind of
-// From, and kToKind is the kind of To; the value is
-// implementation-defined when the above pre-condition is violated.
-template <TypeKind kFromKind, typename From, TypeKind kToKind, typename To>
-struct LosslessArithmeticConvertibleImpl : public false_type {};
-
-// Converting bool to bool is lossless.
-template <>
-struct LosslessArithmeticConvertibleImpl<kBool, bool, kBool, bool>
- : public true_type {}; // NOLINT
-
-// Converting bool to any integer type is lossless.
-template <typename To>
-struct LosslessArithmeticConvertibleImpl<kBool, bool, kInteger, To>
- : public true_type {}; // NOLINT
-
-// Converting bool to any floating-point type is lossless.
-template <typename To>
-struct LosslessArithmeticConvertibleImpl<kBool, bool, kFloatingPoint, To>
- : public true_type {}; // NOLINT
-
-// Converting an integer to bool is lossy.
-template <typename From>
-struct LosslessArithmeticConvertibleImpl<kInteger, From, kBool, bool>
- : public false_type {}; // NOLINT
-
-// Converting an integer to another non-bool integer is lossless iff
-// the target type's range encloses the source type's range.
-template <typename From, typename To>
-struct LosslessArithmeticConvertibleImpl<kInteger, From, kInteger, To>
- : public bool_constant<
- // When converting from a smaller size to a larger size, we are
- // fine as long as we are not converting from signed to unsigned.
- ((sizeof(From) < sizeof(To)) &&
- (!GMOCK_IS_SIGNED_(From) || GMOCK_IS_SIGNED_(To))) ||
- // When converting between the same size, the signedness must match.
- ((sizeof(From) == sizeof(To)) &&
- (GMOCK_IS_SIGNED_(From) == GMOCK_IS_SIGNED_(To)))> {}; // NOLINT
-
-#undef GMOCK_IS_SIGNED_
-
-// Converting an integer to a floating-point type may be lossy, since
-// the format of a floating-point number is implementation-defined.
-template <typename From, typename To>
-struct LosslessArithmeticConvertibleImpl<kInteger, From, kFloatingPoint, To>
- : public false_type {}; // NOLINT
-
-// Converting a floating-point to bool is lossy.
-template <typename From>
-struct LosslessArithmeticConvertibleImpl<kFloatingPoint, From, kBool, bool>
- : public false_type {}; // NOLINT
-
-// Converting a floating-point to an integer is lossy.
-template <typename From, typename To>
-struct LosslessArithmeticConvertibleImpl<kFloatingPoint, From, kInteger, To>
- : public false_type {}; // NOLINT
-
-// Converting a floating-point to another floating-point is lossless
-// iff the target type is at least as big as the source type.
-template <typename From, typename To>
-struct LosslessArithmeticConvertibleImpl<
- kFloatingPoint, From, kFloatingPoint, To>
- : public bool_constant<sizeof(From) <= sizeof(To)> {}; // NOLINT
-
-// LosslessArithmeticConvertible<From, To>::value is true iff arithmetic
-// type From can be losslessly converted to arithmetic type To.
-//
-// It's the user's responsibility to ensure that both From and To are
-// raw (i.e. has no CV modifier, is not a pointer, and is not a
-// reference) built-in arithmetic types; the value is
-// implementation-defined when the above pre-condition is violated.
-template <typename From, typename To>
-struct LosslessArithmeticConvertible
- : public LosslessArithmeticConvertibleImpl<
- GMOCK_KIND_OF_(From), From, GMOCK_KIND_OF_(To), To> {}; // NOLINT
-
-// IsAProtocolMessage<T>::value is a compile-time bool constant that's
-// true iff T is type ProtocolMessage, proto2::Message, or a subclass
-// of those.
-template <typename T>
-struct IsAProtocolMessage
- : public bool_constant<
- ImplicitlyConvertible<const T*, const ::ProtocolMessage*>::value ||
- ImplicitlyConvertible<const T*, const ::proto2::Message*>::value> {
-};
-
-// When the compiler sees expression IsContainerTest<C>(0), the first
-// overload of IsContainerTest will be picked if C is an STL-style
-// container class (since C::const_iterator* is a valid type and 0 can
-// be converted to it), while the second overload will be picked
-// otherwise (since C::const_iterator will be an invalid type in this
-// case). Therefore, we can determine whether C is a container class
-// by checking the type of IsContainerTest<C>(0). The value of the
-// expression is insignificant.
-typedef int IsContainer;
-template <class C>
-IsContainer IsContainerTest(typename C::const_iterator*) { return 0; }
-
-typedef char IsNotContainer;
-template <class C>
-IsNotContainer IsContainerTest(...) { return '\0'; }
-
-// This interface knows how to report a Google Mock failure (either
-// non-fatal or fatal).
-class FailureReporterInterface {
- public:
- // The type of a failure (either non-fatal or fatal).
- enum FailureType {
- NONFATAL, FATAL
- };
-
- virtual ~FailureReporterInterface() {}
-
- // Reports a failure that occurred at the given source file location.
- virtual void ReportFailure(FailureType type, const char* file, int line,
- const string& message) = 0;
-};
-
-// Returns the failure reporter used by Google Mock.
-FailureReporterInterface* GetFailureReporter();
-
-// Asserts that condition is true; aborts the process with the given
-// message if condition is false. We cannot use LOG(FATAL) or CHECK()
-// as Google Mock might be used to mock the log sink itself. We
-// inline this function to prevent it from showing up in the stack
-// trace.
-inline void Assert(bool condition, const char* file, int line,
- const string& msg) {
- if (!condition) {
- GetFailureReporter()->ReportFailure(FailureReporterInterface::FATAL,
- file, line, msg);
- }
-}
-inline void Assert(bool condition, const char* file, int line) {
- Assert(condition, file, line, "Assertion failed.");
-}
-
-// Verifies that condition is true; generates a non-fatal failure if
-// condition is false.
-inline void Expect(bool condition, const char* file, int line,
- const string& msg) {
- if (!condition) {
- GetFailureReporter()->ReportFailure(FailureReporterInterface::NONFATAL,
- file, line, msg);
- }
-}
-inline void Expect(bool condition, const char* file, int line) {
- Expect(condition, file, line, "Expectation failed.");
-}
-
-// Severity level of a log.
-enum LogSeverity {
- INFO = 0,
- WARNING = 1,
-};
-
-// Valid values for the --gmock_verbose flag.
-
-// All logs (informational and warnings) are printed.
-const char kInfoVerbosity[] = "info";
-// Only warnings are printed.
-const char kWarningVerbosity[] = "warning";
-// No logs are printed.
-const char kErrorVerbosity[] = "error";
-
-// Prints the given message to stdout iff 'severity' >= the level
-// specified by the --gmock_verbose flag. If stack_frames_to_skip >=
-// 0, also prints the stack trace excluding the top
-// stack_frames_to_skip frames. In opt mode, any positive
-// stack_frames_to_skip is treated as 0, since we don't know which
-// function calls will be inlined by the compiler and need to be
-// conservative.
-void Log(LogSeverity severity, const string& message, int stack_frames_to_skip);
-
-// The universal value printer (public/gmock-printers.h) needs this
-// to declare an unused << operator in the global namespace.
-struct Unused {};
-
-// TODO(wan@google.com): group all type utilities together.
-
-// Type traits.
-
-// is_reference<T>::value is non-zero iff T is a reference type.
-template <typename T> struct is_reference : public false_type {};
-template <typename T> struct is_reference<T&> : public true_type {};
-
-// type_equals<T1, T2>::value is non-zero iff T1 and T2 are the same type.
-template <typename T1, typename T2> struct type_equals : public false_type {};
-template <typename T> struct type_equals<T, T> : public true_type {};
-
-// remove_reference<T>::type removes the reference from type T, if any.
-template <typename T> struct remove_reference { typedef T type; }; // NOLINT
-template <typename T> struct remove_reference<T&> { typedef T type; }; // NOLINT
-
-// Invalid<T>() returns an invalid value of type T. This is useful
-// when a value of type T is needed for compilation, but the statement
-// will not really be executed (or we don't care if the statement
-// crashes).
-template <typename T>
-inline T Invalid() {
- return *static_cast<typename remove_reference<T>::type*>(NULL);
-}
-template <>
-inline void Invalid<void>() {}
-
-} // namespace internal
-} // namespace testing
-
-#endif // GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_INTERNAL_UTILS_H_
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