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Unified Diff: third_party/gmock/include/gmock/internal/gmock-internal-utils.h

Issue 624713003: Keep only base/extractor.[cc|h]. (Closed) Base URL: https://chromium.googlesource.com/external/omaha.git@master
Patch Set: Created 6 years, 2 months ago
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Index: third_party/gmock/include/gmock/internal/gmock-internal-utils.h
diff --git a/third_party/gmock/include/gmock/internal/gmock-internal-utils.h b/third_party/gmock/include/gmock/internal/gmock-internal-utils.h
deleted file mode 100644
index 7b173350394b8ec2c8123f274d5edb3478d09db0..0000000000000000000000000000000000000000
--- a/third_party/gmock/include/gmock/internal/gmock-internal-utils.h
+++ /dev/null
@@ -1,763 +0,0 @@
-// 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
-
-// MSVC 8.0 has a bug which causes the above definition to fail to
-// remove the const in 'const int[3]'. The following specialization
-// works around the bug. However, it causes trouble with gcc and thus
-// needs to be conditionally compiled.
-#ifdef _MSC_VER
-template <typename T, size_t N>
-struct RemoveConst<T[N]> {
- typedef typename RemoveConst<T>::type type[N];
-};
-#endif // _MSC_VER
-
-// 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;
-
-// Symbian compilation can be done with wchar_t being either a native
-// type or a typedef. Using Google Mock with OpenC without wchar_t
-// should require the definition of _STLP_NO_WCHAR_T.
-//
-// MSVC treats wchar_t as a native type usually, but treats it as the
-// same as unsigned short when the compiler option /Zc:wchar_t- is
-// specified. It defines _NATIVE_WCHAR_T_DEFINED symbol when wchar_t
-// is a native type.
-#if (GTEST_OS_SYMBIAN && defined(_STLP_NO_WCHAR_T)) || \
- (defined(_MSC_VER) && !defined(_NATIVE_WCHAR_T_DEFINED))
-// wchar_t is a typedef.
-#else
-#define GMOCK_WCHAR_T_IS_NATIVE_ 1
-#endif
-
-// signed wchar_t and unsigned wchar_t are NOT in the C++ standard.
-// Using them is a bad practice and not portable. So DON'T use them.
-//
-// Still, Google Mock is designed to work even if the user uses signed
-// wchar_t or unsigned wchar_t (obviously, assuming the compiler
-// supports them).
-//
-// To gcc,
-// wchar_t == signed wchar_t != unsigned wchar_t == unsigned int
-#ifdef __GNUC__
-#define GMOCK_HAS_SIGNED_WCHAR_T_ 1 // signed/unsigned wchar_t are valid types.
-#endif
-
-// 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
-
-#if GMOCK_WCHAR_T_IS_NATIVE_
-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";
-
-// Returns true iff a log with the given severity is visible according
-// to the --gmock_verbose flag.
-bool LogIsVisible(LogSeverity severity);
-
-// 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);
-
-// 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>() {}
-
-// Utilities for native arrays.
-
-// ArrayEq() compares two k-dimensional native arrays using the
-// elements' operator==, where k can be any integer >= 0. When k is
-// 0, ArrayEq() degenerates into comparing a single pair of values.
-
-template <typename T, typename U>
-bool ArrayEq(const T* lhs, size_t size, const U* rhs);
-
-// This generic version is used when k is 0.
-template <typename T, typename U>
-inline bool ArrayEq(const T& lhs, const U& rhs) { return lhs == rhs; }
-
-// This overload is used when k >= 1.
-template <typename T, typename U, size_t N>
-inline bool ArrayEq(const T(&lhs)[N], const U(&rhs)[N]) {
- return internal::ArrayEq(lhs, N, rhs);
-}
-
-// This helper reduces code bloat. If we instead put its logic inside
-// the previous ArrayEq() function, arrays with different sizes would
-// lead to different copies of the template code.
-template <typename T, typename U>
-bool ArrayEq(const T* lhs, size_t size, const U* rhs) {
- for (size_t i = 0; i != size; i++) {
- if (!internal::ArrayEq(lhs[i], rhs[i]))
- return false;
- }
- return true;
-}
-
-// Finds the first element in the iterator range [begin, end) that
-// equals elem. Element may be a native array type itself.
-template <typename Iter, typename Element>
-Iter ArrayAwareFind(Iter begin, Iter end, const Element& elem) {
- for (Iter it = begin; it != end; ++it) {
- if (internal::ArrayEq(*it, elem))
- return it;
- }
- return end;
-}
-
-// CopyArray() copies a k-dimensional native array using the elements'
-// operator=, where k can be any integer >= 0. When k is 0,
-// CopyArray() degenerates into copying a single value.
-
-template <typename T, typename U>
-void CopyArray(const T* from, size_t size, U* to);
-
-// This generic version is used when k is 0.
-template <typename T, typename U>
-inline void CopyArray(const T& from, U* to) { *to = from; }
-
-// This overload is used when k >= 1.
-template <typename T, typename U, size_t N>
-inline void CopyArray(const T(&from)[N], U(*to)[N]) {
- internal::CopyArray(from, N, *to);
-}
-
-// This helper reduces code bloat. If we instead put its logic inside
-// the previous CopyArray() function, arrays with different sizes
-// would lead to different copies of the template code.
-template <typename T, typename U>
-void CopyArray(const T* from, size_t size, U* to) {
- for (size_t i = 0; i != size; i++) {
- internal::CopyArray(from[i], to + i);
- }
-}
-
-// The relation between an NativeArray object (see below) and the
-// native array it represents.
-enum RelationToSource {
- kReference, // The NativeArray references the native array.
- kCopy // The NativeArray makes a copy of the native array and
- // owns the copy.
-};
-
-// Adapts a native array to a read-only STL-style container. Instead
-// of the complete STL container concept, this adaptor only implements
-// members useful for Google Mock's container matchers. New members
-// should be added as needed. To simplify the implementation, we only
-// support Element being a raw type (i.e. having no top-level const or
-// reference modifier). It's the client's responsibility to satisfy
-// this requirement. Element can be an array type itself (hence
-// multi-dimensional arrays are supported).
-template <typename Element>
-class NativeArray {
- public:
- // STL-style container typedefs.
- typedef Element value_type;
- typedef const Element* const_iterator;
-
- // Constructs from a native array.
- NativeArray(const Element* array, size_t count, RelationToSource relation) {
- Init(array, count, relation);
- }
-
- // Copy constructor.
- NativeArray(const NativeArray& rhs) {
- Init(rhs.array_, rhs.size_, rhs.relation_to_source_);
- }
-
- ~NativeArray() {
- // Ensures that the user doesn't instantiate NativeArray with a
- // const or reference type.
- testing::StaticAssertTypeEq<Element,
- GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(Element))>();
- if (relation_to_source_ == kCopy)
- delete[] array_;
- }
-
- // STL-style container methods.
- size_t size() const { return size_; }
- const_iterator begin() const { return array_; }
- const_iterator end() const { return array_ + size_; }
- bool operator==(const NativeArray& rhs) const {
- return size() == rhs.size() &&
- ArrayEq(begin(), size(), rhs.begin());
- }
-
- private:
- // Not implemented as we don't want to support assignment.
- void operator=(const NativeArray& rhs);
-
- // Initializes this object; makes a copy of the input array if
- // 'relation' is kCopy.
- void Init(const Element* array, size_t size, RelationToSource relation) {
- if (relation == kReference) {
- array_ = array;
- } else {
- Element* const copy = new Element[size];
- CopyArray(array, size, copy);
- array_ = copy;
- }
- size_ = size;
- relation_to_source_ = relation;
- }
-
- const Element* array_;
- size_t size_;
- RelationToSource relation_to_source_;
-};
-
-// Given a raw type (i.e. having no top-level reference or const
-// modifier) RawContainer that's either an STL-style container or a
-// native array, class StlContainerView<RawContainer> has the
-// following members:
-//
-// - type is a type that provides an STL-style container view to
-// (i.e. implements the STL container concept for) RawContainer;
-// - const_reference is a type that provides a reference to a const
-// RawContainer;
-// - ConstReference(raw_container) returns a const reference to an STL-style
-// container view to raw_container, which is a RawContainer.
-// - Copy(raw_container) returns an STL-style container view of a
-// copy of raw_container, which is a RawContainer.
-//
-// This generic version is used when RawContainer itself is already an
-// STL-style container.
-template <class RawContainer>
-class StlContainerView {
- public:
- typedef RawContainer type;
- typedef const type& const_reference;
-
- static const_reference ConstReference(const RawContainer& container) {
- // Ensures that RawContainer is not a const type.
- testing::StaticAssertTypeEq<RawContainer,
- GMOCK_REMOVE_CONST_(RawContainer)>();
- return container;
- }
- static type Copy(const RawContainer& container) { return container; }
-};
-
-// This specialization is used when RawContainer is a native array type.
-template <typename Element, size_t N>
-class StlContainerView<Element[N]> {
- public:
- typedef GMOCK_REMOVE_CONST_(Element) RawElement;
- typedef internal::NativeArray<RawElement> type;
- // NativeArray<T> can represent a native array either by value or by
- // reference (selected by a constructor argument), so 'const type'
- // can be used to reference a const native array. We cannot
- // 'typedef const type& const_reference' here, as that would mean
- // ConstReference() has to return a reference to a local variable.
- typedef const type const_reference;
-
- static const_reference ConstReference(const Element (&array)[N]) {
- // Ensures that Element is not a const type.
- testing::StaticAssertTypeEq<Element, RawElement>();
-#if GTEST_OS_SYMBIAN
- // The Nokia Symbian compiler confuses itself in template instantiation
- // for this call without the cast to Element*:
- // function call '[testing::internal::NativeArray<char *>].NativeArray(
- // {lval} const char *[4], long, testing::internal::RelationToSource)'
- // does not match
- // 'testing::internal::NativeArray<char *>::NativeArray(
- // char *const *, unsigned int, testing::internal::RelationToSource)'
- // (instantiating: 'testing::internal::ContainsMatcherImpl
- // <const char * (&)[4]>::Matches(const char * (&)[4]) const')
- // (instantiating: 'testing::internal::StlContainerView<char *[4]>::
- // ConstReference(const char * (&)[4])')
- // (and though the N parameter type is mismatched in the above explicit
- // conversion of it doesn't help - only the conversion of the array).
- return type(const_cast<Element*>(&array[0]), N, kReference);
-#else
- return type(array, N, kReference);
-#endif // GTEST_OS_SYMBIAN
- }
- static type Copy(const Element (&array)[N]) {
-#if GTEST_OS_SYMBIAN
- return type(const_cast<Element*>(&array[0]), N, kCopy);
-#else
- return type(array, N, kCopy);
-#endif // GTEST_OS_SYMBIAN
- }
-};
-
-// This specialization is used when RawContainer is a native array
-// represented as a (pointer, size) tuple.
-template <typename ElementPointer, typename Size>
-class StlContainerView< ::std::tr1::tuple<ElementPointer, Size> > {
- public:
- typedef GMOCK_REMOVE_CONST_(
- typename internal::PointeeOf<ElementPointer>::type) RawElement;
- typedef internal::NativeArray<RawElement> type;
- typedef const type const_reference;
-
- static const_reference ConstReference(
- const ::std::tr1::tuple<ElementPointer, Size>& array) {
- using ::std::tr1::get;
- return type(get<0>(array), get<1>(array), kReference);
- }
- static type Copy(const ::std::tr1::tuple<ElementPointer, Size>& array) {
- using ::std::tr1::get;
- return type(get<0>(array), get<1>(array), kCopy);
- }
-};
-
-// The following specialization prevents the user from instantiating
-// StlContainer with a reference type.
-template <typename T> class StlContainerView<T&>;
-
-} // namespace internal
-} // namespace testing
-
-#endif // GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_INTERNAL_UTILS_H_

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