/usr/include/gmock/internal/gmock-internal-utils.h is in google-mock 1.6.0+svn437-0ubuntu5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 | // 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"
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".
GTEST_API_ string ConvertIdentifierNameToWords(const char* id_name);
// 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 const 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();
}
};
// 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__
// signed/unsigned wchar_t are valid types.
# define GMOCK_HAS_SIGNED_WCHAR_T_ 1
#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
// 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 {
kNonfatal, kFatal
};
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.
GTEST_API_ 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::kFatal,
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::kNonfatal,
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 {
kInfo = 0,
kWarning = 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.
GTEST_API_ 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.
GTEST_API_ 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
// DecayArray<T>::type turns an array type U[N] to const U* and preserves
// other types. Useful for saving a copy of a function argument.
template <typename T> struct DecayArray { typedef T type; }; // NOLINT
template <typename T, size_t N> struct DecayArray<T[N]> {
typedef const T* type;
};
// Sometimes people use arrays whose size is not available at the use site
// (e.g. extern const char kNamePrefix[]). This specialization covers that
// case.
template <typename T> struct DecayArray<T[]> {
typedef const T* type;
};
// 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 const_cast<typename remove_reference<T>::type&>(
*static_cast<volatile typename remove_reference<T>::type*>(NULL));
}
template <>
inline void Invalid<void>() {}
// 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,
GTEST_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 GTEST_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 GTEST_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&>;
// A type transform to remove constness from the first part of a pair.
// Pairs like that are used as the value_type of associative containers,
// and this transform produces a similar but assignable pair.
template <typename T>
struct RemoveConstFromKey {
typedef T type;
};
// Partially specialized to remove constness from std::pair<const K, V>.
template <typename K, typename V>
struct RemoveConstFromKey<std::pair<const K, V> > {
typedef std::pair<K, V> type;
};
// Mapping from booleans to types. Similar to boost::bool_<kValue> and
// std::integral_constant<bool, kValue>.
template <bool kValue>
struct BooleanConstant {};
} // namespace internal
} // namespace testing
#endif // GMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_INTERNAL_UTILS_H_
|