1// Copyright 2005, Google Inc. 2// All rights reserved. 3// 4// Redistribution and use in source and binary forms, with or without 5// modification, are permitted provided that the following conditions are 6// met: 7// 8// * Redistributions of source code must retain the above copyright 9// notice, this list of conditions and the following disclaimer. 10// * Redistributions in binary form must reproduce the above 11// copyright notice, this list of conditions and the following disclaimer 12// in the documentation and/or other materials provided with the 13// distribution. 14// * Neither the name of Google Inc. nor the names of its 15// contributors may be used to endorse or promote products derived from 16// this software without specific prior written permission. 17// 18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29// 30// Authors: wan@google.com (Zhanyong Wan), eefacm@gmail.com (Sean Mcafee) 31// 32// The Google C++ Testing Framework (Google Test) 33// 34// This header file declares functions and macros used internally by 35// Google Test. They are subject to change without notice. 36 37#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_ 38#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_ 39 40#include "gtest/internal/gtest-port.h" 41 42#if GTEST_OS_LINUX 43# include <stdlib.h> 44# include <sys/types.h> 45# include <sys/wait.h> 46# include <unistd.h> 47#endif // GTEST_OS_LINUX 48 49#include <ctype.h> 50#include <string.h> 51#include <iomanip> 52#include <limits> 53#include <set> 54 55#include "gtest/internal/gtest-string.h" 56#include "gtest/internal/gtest-filepath.h" 57#include "gtest/internal/gtest-type-util.h" 58 59// Due to C++ preprocessor weirdness, we need double indirection to 60// concatenate two tokens when one of them is __LINE__. Writing 61// 62// foo ## __LINE__ 63// 64// will result in the token foo__LINE__, instead of foo followed by 65// the current line number. For more details, see 66// http://www.parashift.com/c++-faq-lite/misc-technical-issues.html#faq-39.6 67#define GTEST_CONCAT_TOKEN_(foo, bar) GTEST_CONCAT_TOKEN_IMPL_(foo, bar) 68#define GTEST_CONCAT_TOKEN_IMPL_(foo, bar) foo ## bar 69 70// Google Test defines the testing::Message class to allow construction of 71// test messages via the << operator. The idea is that anything 72// streamable to std::ostream can be streamed to a testing::Message. 73// This allows a user to use his own types in Google Test assertions by 74// overloading the << operator. 75// 76// util/gtl/stl_logging-inl.h overloads << for STL containers. These 77// overloads cannot be defined in the std namespace, as that will be 78// undefined behavior. Therefore, they are defined in the global 79// namespace instead. 80// 81// C++'s symbol lookup rule (i.e. Koenig lookup) says that these 82// overloads are visible in either the std namespace or the global 83// namespace, but not other namespaces, including the testing 84// namespace which Google Test's Message class is in. 85// 86// To allow STL containers (and other types that has a << operator 87// defined in the global namespace) to be used in Google Test assertions, 88// testing::Message must access the custom << operator from the global 89// namespace. Hence this helper function. 90// 91// Note: Jeffrey Yasskin suggested an alternative fix by "using 92// ::operator<<;" in the definition of Message's operator<<. That fix 93// doesn't require a helper function, but unfortunately doesn't 94// compile with MSVC. 95template <typename T> 96inline void GTestStreamToHelper(std::ostream* os, const T& val) { 97 *os << val; 98} 99 100class ProtocolMessage; 101namespace proto2 { class Message; } 102 103namespace testing { 104 105// Forward declarations. 106 107class AssertionResult; // Result of an assertion. 108class Message; // Represents a failure message. 109class Test; // Represents a test. 110class TestInfo; // Information about a test. 111class TestPartResult; // Result of a test part. 112class UnitTest; // A collection of test cases. 113 114template <typename T> 115::std::string PrintToString(const T& value); 116 117namespace internal { 118 119struct TraceInfo; // Information about a trace point. 120class ScopedTrace; // Implements scoped trace. 121class TestInfoImpl; // Opaque implementation of TestInfo 122class UnitTestImpl; // Opaque implementation of UnitTest 123 124// How many times InitGoogleTest() has been called. 125extern int g_init_gtest_count; 126 127// The text used in failure messages to indicate the start of the 128// stack trace. 129GTEST_API_ extern const char kStackTraceMarker[]; 130 131// A secret type that Google Test users don't know about. It has no 132// definition on purpose. Therefore it's impossible to create a 133// Secret object, which is what we want. 134class Secret; 135 136// Two overloaded helpers for checking at compile time whether an 137// expression is a null pointer literal (i.e. NULL or any 0-valued 138// compile-time integral constant). Their return values have 139// different sizes, so we can use sizeof() to test which version is 140// picked by the compiler. These helpers have no implementations, as 141// we only need their signatures. 142// 143// Given IsNullLiteralHelper(x), the compiler will pick the first 144// version if x can be implicitly converted to Secret*, and pick the 145// second version otherwise. Since Secret is a secret and incomplete 146// type, the only expression a user can write that has type Secret* is 147// a null pointer literal. Therefore, we know that x is a null 148// pointer literal if and only if the first version is picked by the 149// compiler. 150char IsNullLiteralHelper(Secret* p); 151char (&IsNullLiteralHelper(...))[2]; // NOLINT 152 153// A compile-time bool constant that is true if and only if x is a 154// null pointer literal (i.e. NULL or any 0-valued compile-time 155// integral constant). 156#ifdef GTEST_ELLIPSIS_NEEDS_POD_ 157// We lose support for NULL detection where the compiler doesn't like 158// passing non-POD classes through ellipsis (...). 159# define GTEST_IS_NULL_LITERAL_(x) false 160#else 161# define GTEST_IS_NULL_LITERAL_(x) \ 162 (sizeof(::testing::internal::IsNullLiteralHelper(x)) == 1) 163#endif // GTEST_ELLIPSIS_NEEDS_POD_ 164 165// Appends the user-supplied message to the Google-Test-generated message. 166GTEST_API_ String AppendUserMessage(const String& gtest_msg, 167 const Message& user_msg); 168 169// A helper class for creating scoped traces in user programs. 170class GTEST_API_ ScopedTrace { 171 public: 172 // The c'tor pushes the given source file location and message onto 173 // a trace stack maintained by Google Test. 174 ScopedTrace(const char* file, int line, const Message& message); 175 176 // The d'tor pops the info pushed by the c'tor. 177 // 178 // Note that the d'tor is not virtual in order to be efficient. 179 // Don't inherit from ScopedTrace! 180 ~ScopedTrace(); 181 182 private: 183 GTEST_DISALLOW_COPY_AND_ASSIGN_(ScopedTrace); 184} GTEST_ATTRIBUTE_UNUSED_; // A ScopedTrace object does its job in its 185 // c'tor and d'tor. Therefore it doesn't 186 // need to be used otherwise. 187 188// Converts a streamable value to a String. A NULL pointer is 189// converted to "(null)". When the input value is a ::string, 190// ::std::string, ::wstring, or ::std::wstring object, each NUL 191// character in it is replaced with "\\0". 192// Declared here but defined in gtest.h, so that it has access 193// to the definition of the Message class, required by the ARM 194// compiler. 195template <typename T> 196String StreamableToString(const T& streamable); 197 198// The Symbian compiler has a bug that prevents it from selecting the 199// correct overload of FormatForComparisonFailureMessage (see below) 200// unless we pass the first argument by reference. If we do that, 201// however, Visual Age C++ 10.1 generates a compiler error. Therefore 202// we only apply the work-around for Symbian. 203#if defined(__SYMBIAN32__) 204# define GTEST_CREF_WORKAROUND_ const& 205#else 206# define GTEST_CREF_WORKAROUND_ 207#endif 208 209// When this operand is a const char* or char*, if the other operand 210// is a ::std::string or ::string, we print this operand as a C string 211// rather than a pointer (we do the same for wide strings); otherwise 212// we print it as a pointer to be safe. 213 214// This internal macro is used to avoid duplicated code. 215#define GTEST_FORMAT_IMPL_(operand2_type, operand1_printer)\ 216inline String FormatForComparisonFailureMessage(\ 217 operand2_type::value_type* GTEST_CREF_WORKAROUND_ str, \ 218 const operand2_type& /*operand2*/) {\ 219 return operand1_printer(str);\ 220}\ 221inline String FormatForComparisonFailureMessage(\ 222 const operand2_type::value_type* GTEST_CREF_WORKAROUND_ str, \ 223 const operand2_type& /*operand2*/) {\ 224 return operand1_printer(str);\ 225} 226 227GTEST_FORMAT_IMPL_(::std::string, String::ShowCStringQuoted) 228#if GTEST_HAS_STD_WSTRING 229GTEST_FORMAT_IMPL_(::std::wstring, String::ShowWideCStringQuoted) 230#endif // GTEST_HAS_STD_WSTRING 231 232#if GTEST_HAS_GLOBAL_STRING 233GTEST_FORMAT_IMPL_(::string, String::ShowCStringQuoted) 234#endif // GTEST_HAS_GLOBAL_STRING 235#if GTEST_HAS_GLOBAL_WSTRING 236GTEST_FORMAT_IMPL_(::wstring, String::ShowWideCStringQuoted) 237#endif // GTEST_HAS_GLOBAL_WSTRING 238 239#undef GTEST_FORMAT_IMPL_ 240 241// The next four overloads handle the case where the operand being 242// printed is a char/wchar_t pointer and the other operand is not a 243// string/wstring object. In such cases, we just print the operand as 244// a pointer to be safe. 245#define GTEST_FORMAT_CHAR_PTR_IMPL_(CharType) \ 246 template <typename T> \ 247 String FormatForComparisonFailureMessage(CharType* GTEST_CREF_WORKAROUND_ p, \ 248 const T&) { \ 249 return PrintToString(static_cast<const void*>(p)); \ 250 } 251 252GTEST_FORMAT_CHAR_PTR_IMPL_(char) 253GTEST_FORMAT_CHAR_PTR_IMPL_(const char) 254GTEST_FORMAT_CHAR_PTR_IMPL_(wchar_t) 255GTEST_FORMAT_CHAR_PTR_IMPL_(const wchar_t) 256 257#undef GTEST_FORMAT_CHAR_PTR_IMPL_ 258 259// Constructs and returns the message for an equality assertion 260// (e.g. ASSERT_EQ, EXPECT_STREQ, etc) failure. 261// 262// The first four parameters are the expressions used in the assertion 263// and their values, as strings. For example, for ASSERT_EQ(foo, bar) 264// where foo is 5 and bar is 6, we have: 265// 266// expected_expression: "foo" 267// actual_expression: "bar" 268// expected_value: "5" 269// actual_value: "6" 270// 271// The ignoring_case parameter is true iff the assertion is a 272// *_STRCASEEQ*. When it's true, the string " (ignoring case)" will 273// be inserted into the message. 274GTEST_API_ AssertionResult EqFailure(const char* expected_expression, 275 const char* actual_expression, 276 const String& expected_value, 277 const String& actual_value, 278 bool ignoring_case); 279 280// Constructs a failure message for Boolean assertions such as EXPECT_TRUE. 281GTEST_API_ String GetBoolAssertionFailureMessage( 282 const AssertionResult& assertion_result, 283 const char* expression_text, 284 const char* actual_predicate_value, 285 const char* expected_predicate_value); 286 287// This template class represents an IEEE floating-point number 288// (either single-precision or double-precision, depending on the 289// template parameters). 290// 291// The purpose of this class is to do more sophisticated number 292// comparison. (Due to round-off error, etc, it's very unlikely that 293// two floating-points will be equal exactly. Hence a naive 294// comparison by the == operation often doesn't work.) 295// 296// Format of IEEE floating-point: 297// 298// The most-significant bit being the leftmost, an IEEE 299// floating-point looks like 300// 301// sign_bit exponent_bits fraction_bits 302// 303// Here, sign_bit is a single bit that designates the sign of the 304// number. 305// 306// For float, there are 8 exponent bits and 23 fraction bits. 307// 308// For double, there are 11 exponent bits and 52 fraction bits. 309// 310// More details can be found at 311// http://en.wikipedia.org/wiki/IEEE_floating-point_standard. 312// 313// Template parameter: 314// 315// RawType: the raw floating-point type (either float or double) 316template <typename RawType> 317class FloatingPoint { 318 public: 319 // Defines the unsigned integer type that has the same size as the 320 // floating point number. 321 typedef typename TypeWithSize<sizeof(RawType)>::UInt Bits; 322 323 // Constants. 324 325 // # of bits in a number. 326 static const size_t kBitCount = 8*sizeof(RawType); 327 328 // # of fraction bits in a number. 329 static const size_t kFractionBitCount = 330 std::numeric_limits<RawType>::digits - 1; 331 332 // # of exponent bits in a number. 333 static const size_t kExponentBitCount = kBitCount - 1 - kFractionBitCount; 334 335 // The mask for the sign bit. 336 static const Bits kSignBitMask = static_cast<Bits>(1) << (kBitCount - 1); 337 338 // The mask for the fraction bits. 339 static const Bits kFractionBitMask = 340 ~static_cast<Bits>(0) >> (kExponentBitCount + 1); 341 342 // The mask for the exponent bits. 343 static const Bits kExponentBitMask = ~(kSignBitMask | kFractionBitMask); 344 345 // How many ULP's (Units in the Last Place) we want to tolerate when 346 // comparing two numbers. The larger the value, the more error we 347 // allow. A 0 value means that two numbers must be exactly the same 348 // to be considered equal. 349 // 350 // The maximum error of a single floating-point operation is 0.5 351 // units in the last place. On Intel CPU's, all floating-point 352 // calculations are done with 80-bit precision, while double has 64 353 // bits. Therefore, 4 should be enough for ordinary use. 354 // 355 // See the following article for more details on ULP: 356 // http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm. 357 static const size_t kMaxUlps = 4; 358 359 // Constructs a FloatingPoint from a raw floating-point number. 360 // 361 // On an Intel CPU, passing a non-normalized NAN (Not a Number) 362 // around may change its bits, although the new value is guaranteed 363 // to be also a NAN. Therefore, don't expect this constructor to 364 // preserve the bits in x when x is a NAN. 365 explicit FloatingPoint(const RawType& x) { u_.value_ = x; } 366 367 // Static methods 368 369 // Reinterprets a bit pattern as a floating-point number. 370 // 371 // This function is needed to test the AlmostEquals() method. 372 static RawType ReinterpretBits(const Bits bits) { 373 FloatingPoint fp(0); 374 fp.u_.bits_ = bits; 375 return fp.u_.value_; 376 } 377 378 // Returns the floating-point number that represent positive infinity. 379 static RawType Infinity() { 380 return ReinterpretBits(kExponentBitMask); 381 } 382 383 // Non-static methods 384 385 // Returns the bits that represents this number. 386 const Bits &bits() const { return u_.bits_; } 387 388 // Returns the exponent bits of this number. 389 Bits exponent_bits() const { return kExponentBitMask & u_.bits_; } 390 391 // Returns the fraction bits of this number. 392 Bits fraction_bits() const { return kFractionBitMask & u_.bits_; } 393 394 // Returns the sign bit of this number. 395 Bits sign_bit() const { return kSignBitMask & u_.bits_; } 396 397 // Returns true iff this is NAN (not a number). 398 bool is_nan() const { 399 // It's a NAN if the exponent bits are all ones and the fraction 400 // bits are not entirely zeros. 401 return (exponent_bits() == kExponentBitMask) && (fraction_bits() != 0); 402 } 403 404 // Returns true iff this number is at most kMaxUlps ULP's away from 405 // rhs. In particular, this function: 406 // 407 // - returns false if either number is (or both are) NAN. 408 // - treats really large numbers as almost equal to infinity. 409 // - thinks +0.0 and -0.0 are 0 DLP's apart. 410 bool AlmostEquals(const FloatingPoint& rhs) const { 411 // The IEEE standard says that any comparison operation involving 412 // a NAN must return false. 413 if (is_nan() || rhs.is_nan()) return false; 414 415 return DistanceBetweenSignAndMagnitudeNumbers(u_.bits_, rhs.u_.bits_) 416 <= kMaxUlps; 417 } 418 419 private: 420 // The data type used to store the actual floating-point number. 421 union FloatingPointUnion { 422 RawType value_; // The raw floating-point number. 423 Bits bits_; // The bits that represent the number. 424 }; 425 426 // Converts an integer from the sign-and-magnitude representation to 427 // the biased representation. More precisely, let N be 2 to the 428 // power of (kBitCount - 1), an integer x is represented by the 429 // unsigned number x + N. 430 // 431 // For instance, 432 // 433 // -N + 1 (the most negative number representable using 434 // sign-and-magnitude) is represented by 1; 435 // 0 is represented by N; and 436 // N - 1 (the biggest number representable using 437 // sign-and-magnitude) is represented by 2N - 1. 438 // 439 // Read http://en.wikipedia.org/wiki/Signed_number_representations 440 // for more details on signed number representations. 441 static Bits SignAndMagnitudeToBiased(const Bits &sam) { 442 if (kSignBitMask & sam) { 443 // sam represents a negative number. 444 return ~sam + 1; 445 } else { 446 // sam represents a positive number. 447 return kSignBitMask | sam; 448 } 449 } 450 451 // Given two numbers in the sign-and-magnitude representation, 452 // returns the distance between them as an unsigned number. 453 static Bits DistanceBetweenSignAndMagnitudeNumbers(const Bits &sam1, 454 const Bits &sam2) { 455 const Bits biased1 = SignAndMagnitudeToBiased(sam1); 456 const Bits biased2 = SignAndMagnitudeToBiased(sam2); 457 return (biased1 >= biased2) ? (biased1 - biased2) : (biased2 - biased1); 458 } 459 460 FloatingPointUnion u_; 461}; 462 463// Typedefs the instances of the FloatingPoint template class that we 464// care to use. 465typedef FloatingPoint<float> Float; 466typedef FloatingPoint<double> Double; 467 468// In order to catch the mistake of putting tests that use different 469// test fixture classes in the same test case, we need to assign 470// unique IDs to fixture classes and compare them. The TypeId type is 471// used to hold such IDs. The user should treat TypeId as an opaque 472// type: the only operation allowed on TypeId values is to compare 473// them for equality using the == operator. 474typedef const void* TypeId; 475 476template <typename T> 477class TypeIdHelper { 478 public: 479 // dummy_ must not have a const type. Otherwise an overly eager 480 // compiler (e.g. MSVC 7.1 & 8.0) may try to merge 481 // TypeIdHelper<T>::dummy_ for different Ts as an "optimization". 482 static bool dummy_; 483}; 484 485template <typename T> 486bool TypeIdHelper<T>::dummy_ = false; 487 488// GetTypeId<T>() returns the ID of type T. Different values will be 489// returned for different types. Calling the function twice with the 490// same type argument is guaranteed to return the same ID. 491template <typename T> 492TypeId GetTypeId() { 493 // The compiler is required to allocate a different 494 // TypeIdHelper<T>::dummy_ variable for each T used to instantiate 495 // the template. Therefore, the address of dummy_ is guaranteed to 496 // be unique. 497 return &(TypeIdHelper<T>::dummy_); 498} 499 500// Returns the type ID of ::testing::Test. Always call this instead 501// of GetTypeId< ::testing::Test>() to get the type ID of 502// ::testing::Test, as the latter may give the wrong result due to a 503// suspected linker bug when compiling Google Test as a Mac OS X 504// framework. 505GTEST_API_ TypeId GetTestTypeId(); 506 507// Defines the abstract factory interface that creates instances 508// of a Test object. 509class TestFactoryBase { 510 public: 511 virtual ~TestFactoryBase() {} 512 513 // Creates a test instance to run. The instance is both created and destroyed 514 // within TestInfoImpl::Run() 515 virtual Test* CreateTest() = 0; 516 517 protected: 518 TestFactoryBase() {} 519 520 private: 521 GTEST_DISALLOW_COPY_AND_ASSIGN_(TestFactoryBase); 522}; 523 524// This class provides implementation of TeastFactoryBase interface. 525// It is used in TEST and TEST_F macros. 526template <class TestClass> 527class TestFactoryImpl : public TestFactoryBase { 528 public: 529 virtual Test* CreateTest() { return new TestClass; } 530}; 531 532#if GTEST_OS_WINDOWS 533 534// Predicate-formatters for implementing the HRESULT checking macros 535// {ASSERT|EXPECT}_HRESULT_{SUCCEEDED|FAILED} 536// We pass a long instead of HRESULT to avoid causing an 537// include dependency for the HRESULT type. 538GTEST_API_ AssertionResult IsHRESULTSuccess(const char* expr, 539 long hr); // NOLINT 540GTEST_API_ AssertionResult IsHRESULTFailure(const char* expr, 541 long hr); // NOLINT 542 543#endif // GTEST_OS_WINDOWS 544 545// Types of SetUpTestCase() and TearDownTestCase() functions. 546typedef void (*SetUpTestCaseFunc)(); 547typedef void (*TearDownTestCaseFunc)(); 548 549// Creates a new TestInfo object and registers it with Google Test; 550// returns the created object. 551// 552// Arguments: 553// 554// test_case_name: name of the test case 555// name: name of the test 556// type_param the name of the test's type parameter, or NULL if 557// this is not a typed or a type-parameterized test. 558// value_param text representation of the test's value parameter, 559// or NULL if this is not a type-parameterized test. 560// fixture_class_id: ID of the test fixture class 561// set_up_tc: pointer to the function that sets up the test case 562// tear_down_tc: pointer to the function that tears down the test case 563// factory: pointer to the factory that creates a test object. 564// The newly created TestInfo instance will assume 565// ownership of the factory object. 566GTEST_API_ TestInfo* MakeAndRegisterTestInfo( 567 const char* test_case_name, const char* name, 568 const char* type_param, 569 const char* value_param, 570 TypeId fixture_class_id, 571 SetUpTestCaseFunc set_up_tc, 572 TearDownTestCaseFunc tear_down_tc, 573 TestFactoryBase* factory); 574 575// If *pstr starts with the given prefix, modifies *pstr to be right 576// past the prefix and returns true; otherwise leaves *pstr unchanged 577// and returns false. None of pstr, *pstr, and prefix can be NULL. 578GTEST_API_ bool SkipPrefix(const char* prefix, const char** pstr); 579 580#if GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P 581 582// State of the definition of a type-parameterized test case. 583class GTEST_API_ TypedTestCasePState { 584 public: 585 TypedTestCasePState() : registered_(false) {} 586 587 // Adds the given test name to defined_test_names_ and return true 588 // if the test case hasn't been registered; otherwise aborts the 589 // program. 590 bool AddTestName(const char* file, int line, const char* case_name, 591 const char* test_name) { 592 if (registered_) { 593 fprintf(stderr, "%s Test %s must be defined before " 594 "REGISTER_TYPED_TEST_CASE_P(%s, ...).\n", 595 FormatFileLocation(file, line).c_str(), test_name, case_name); 596 fflush(stderr); 597 posix::Abort(); 598 } 599 defined_test_names_.insert(test_name); 600 return true; 601 } 602 603 // Verifies that registered_tests match the test names in 604 // defined_test_names_; returns registered_tests if successful, or 605 // aborts the program otherwise. 606 const char* VerifyRegisteredTestNames( 607 const char* file, int line, const char* registered_tests); 608 609 private: 610 bool registered_; 611 ::std::set<const char*> defined_test_names_; 612}; 613 614// Skips to the first non-space char after the first comma in 'str'; 615// returns NULL if no comma is found in 'str'. 616inline const char* SkipComma(const char* str) { 617 const char* comma = strchr(str, ','); 618 if (comma == NULL) { 619 return NULL; 620 } 621 while (IsSpace(*(++comma))) {} 622 return comma; 623} 624 625// Returns the prefix of 'str' before the first comma in it; returns 626// the entire string if it contains no comma. 627inline String GetPrefixUntilComma(const char* str) { 628 const char* comma = strchr(str, ','); 629 return comma == NULL ? String(str) : String(str, comma - str); 630} 631 632// TypeParameterizedTest<Fixture, TestSel, Types>::Register() 633// registers a list of type-parameterized tests with Google Test. The 634// return value is insignificant - we just need to return something 635// such that we can call this function in a namespace scope. 636// 637// Implementation note: The GTEST_TEMPLATE_ macro declares a template 638// template parameter. It's defined in gtest-type-util.h. 639template <GTEST_TEMPLATE_ Fixture, class TestSel, typename Types> 640class TypeParameterizedTest { 641 public: 642 // 'index' is the index of the test in the type list 'Types' 643 // specified in INSTANTIATE_TYPED_TEST_CASE_P(Prefix, TestCase, 644 // Types). Valid values for 'index' are [0, N - 1] where N is the 645 // length of Types. 646 static bool Register(const char* prefix, const char* case_name, 647 const char* test_names, int index) { 648 typedef typename Types::Head Type; 649 typedef Fixture<Type> FixtureClass; 650 typedef typename GTEST_BIND_(TestSel, Type) TestClass; 651 652 // First, registers the first type-parameterized test in the type 653 // list. 654 MakeAndRegisterTestInfo( 655 String::Format("%s%s%s/%d", prefix, prefix[0] == '\0' ? "" : "/", 656 case_name, index).c_str(), 657 GetPrefixUntilComma(test_names).c_str(), 658 GetTypeName<Type>().c_str(), 659 NULL, // No value parameter. 660 GetTypeId<FixtureClass>(), 661 TestClass::SetUpTestCase, 662 TestClass::TearDownTestCase, 663 new TestFactoryImpl<TestClass>); 664 665 // Next, recurses (at compile time) with the tail of the type list. 666 return TypeParameterizedTest<Fixture, TestSel, typename Types::Tail> 667 ::Register(prefix, case_name, test_names, index + 1); 668 } 669}; 670 671// The base case for the compile time recursion. 672template <GTEST_TEMPLATE_ Fixture, class TestSel> 673class TypeParameterizedTest<Fixture, TestSel, Types0> { 674 public: 675 static bool Register(const char* /*prefix*/, const char* /*case_name*/, 676 const char* /*test_names*/, int /*index*/) { 677 return true; 678 } 679}; 680 681// TypeParameterizedTestCase<Fixture, Tests, Types>::Register() 682// registers *all combinations* of 'Tests' and 'Types' with Google 683// Test. The return value is insignificant - we just need to return 684// something such that we can call this function in a namespace scope. 685template <GTEST_TEMPLATE_ Fixture, typename Tests, typename Types> 686class TypeParameterizedTestCase { 687 public: 688 static bool Register(const char* prefix, const char* case_name, 689 const char* test_names) { 690 typedef typename Tests::Head Head; 691 692 // First, register the first test in 'Test' for each type in 'Types'. 693 TypeParameterizedTest<Fixture, Head, Types>::Register( 694 prefix, case_name, test_names, 0); 695 696 // Next, recurses (at compile time) with the tail of the test list. 697 return TypeParameterizedTestCase<Fixture, typename Tests::Tail, Types> 698 ::Register(prefix, case_name, SkipComma(test_names)); 699 } 700}; 701 702// The base case for the compile time recursion. 703template <GTEST_TEMPLATE_ Fixture, typename Types> 704class TypeParameterizedTestCase<Fixture, Templates0, Types> { 705 public: 706 static bool Register(const char* /*prefix*/, const char* /*case_name*/, 707 const char* /*test_names*/) { 708 return true; 709 } 710}; 711 712#endif // GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P 713 714// Returns the current OS stack trace as a String. 715// 716// The maximum number of stack frames to be included is specified by 717// the gtest_stack_trace_depth flag. The skip_count parameter 718// specifies the number of top frames to be skipped, which doesn't 719// count against the number of frames to be included. 720// 721// For example, if Foo() calls Bar(), which in turn calls 722// GetCurrentOsStackTraceExceptTop(..., 1), Foo() will be included in 723// the trace but Bar() and GetCurrentOsStackTraceExceptTop() won't. 724GTEST_API_ String GetCurrentOsStackTraceExceptTop(UnitTest* unit_test, 725 int skip_count); 726 727// Helpers for suppressing warnings on unreachable code or constant 728// condition. 729 730// Always returns true. 731GTEST_API_ bool AlwaysTrue(); 732 733// Always returns false. 734inline bool AlwaysFalse() { return !AlwaysTrue(); } 735 736// Helper for suppressing false warning from Clang on a const char* 737// variable declared in a conditional expression always being NULL in 738// the else branch. 739struct GTEST_API_ ConstCharPtr { 740 ConstCharPtr(const char* str) : value(str) {} 741 operator bool() const { return true; } 742 const char* value; 743}; 744 745// A simple Linear Congruential Generator for generating random 746// numbers with a uniform distribution. Unlike rand() and srand(), it 747// doesn't use global state (and therefore can't interfere with user 748// code). Unlike rand_r(), it's portable. An LCG isn't very random, 749// but it's good enough for our purposes. 750class GTEST_API_ Random { 751 public: 752 static const UInt32 kMaxRange = 1u << 31; 753 754 explicit Random(UInt32 seed) : state_(seed) {} 755 756 void Reseed(UInt32 seed) { state_ = seed; } 757 758 // Generates a random number from [0, range). Crashes if 'range' is 759 // 0 or greater than kMaxRange. 760 UInt32 Generate(UInt32 range); 761 762 private: 763 UInt32 state_; 764 GTEST_DISALLOW_COPY_AND_ASSIGN_(Random); 765}; 766 767// Defining a variable of type CompileAssertTypesEqual<T1, T2> will cause a 768// compiler error iff T1 and T2 are different types. 769template <typename T1, typename T2> 770struct CompileAssertTypesEqual; 771 772template <typename T> 773struct CompileAssertTypesEqual<T, T> { 774}; 775 776// Removes the reference from a type if it is a reference type, 777// otherwise leaves it unchanged. This is the same as 778// tr1::remove_reference, which is not widely available yet. 779template <typename T> 780struct RemoveReference { typedef T type; }; // NOLINT 781template <typename T> 782struct RemoveReference<T&> { typedef T type; }; // NOLINT 783 784// A handy wrapper around RemoveReference that works when the argument 785// T depends on template parameters. 786#define GTEST_REMOVE_REFERENCE_(T) \ 787 typename ::testing::internal::RemoveReference<T>::type 788 789// Removes const from a type if it is a const type, otherwise leaves 790// it unchanged. This is the same as tr1::remove_const, which is not 791// widely available yet. 792template <typename T> 793struct RemoveConst { typedef T type; }; // NOLINT 794template <typename T> 795struct RemoveConst<const T> { typedef T type; }; // NOLINT 796 797// MSVC 8.0, Sun C++, and IBM XL C++ have a bug which causes the above 798// definition to fail to remove the const in 'const int[3]' and 'const 799// char[3][4]'. The following specialization works around the bug. 800// However, it causes trouble with GCC and thus needs to be 801// conditionally compiled. 802#if defined(_MSC_VER) || defined(__SUNPRO_CC) || defined(__IBMCPP__) 803template <typename T, size_t N> 804struct RemoveConst<const T[N]> { 805 typedef typename RemoveConst<T>::type type[N]; 806}; 807#endif 808 809// A handy wrapper around RemoveConst that works when the argument 810// T depends on template parameters. 811#define GTEST_REMOVE_CONST_(T) \ 812 typename ::testing::internal::RemoveConst<T>::type 813 814// Turns const U&, U&, const U, and U all into U. 815#define GTEST_REMOVE_REFERENCE_AND_CONST_(T) \ 816 GTEST_REMOVE_CONST_(GTEST_REMOVE_REFERENCE_(T)) 817 818// Adds reference to a type if it is not a reference type, 819// otherwise leaves it unchanged. This is the same as 820// tr1::add_reference, which is not widely available yet. 821template <typename T> 822struct AddReference { typedef T& type; }; // NOLINT 823template <typename T> 824struct AddReference<T&> { typedef T& type; }; // NOLINT 825 826// A handy wrapper around AddReference that works when the argument T 827// depends on template parameters. 828#define GTEST_ADD_REFERENCE_(T) \ 829 typename ::testing::internal::AddReference<T>::type 830 831// Adds a reference to const on top of T as necessary. For example, 832// it transforms 833// 834// char ==> const char& 835// const char ==> const char& 836// char& ==> const char& 837// const char& ==> const char& 838// 839// The argument T must depend on some template parameters. 840#define GTEST_REFERENCE_TO_CONST_(T) \ 841 GTEST_ADD_REFERENCE_(const GTEST_REMOVE_REFERENCE_(T)) 842 843// ImplicitlyConvertible<From, To>::value is a compile-time bool 844// constant that's true iff type From can be implicitly converted to 845// type To. 846template <typename From, typename To> 847class ImplicitlyConvertible { 848 private: 849 // We need the following helper functions only for their types. 850 // They have no implementations. 851 852 // MakeFrom() is an expression whose type is From. We cannot simply 853 // use From(), as the type From may not have a public default 854 // constructor. 855 static From MakeFrom(); 856 857 // These two functions are overloaded. Given an expression 858 // Helper(x), the compiler will pick the first version if x can be 859 // implicitly converted to type To; otherwise it will pick the 860 // second version. 861 // 862 // The first version returns a value of size 1, and the second 863 // version returns a value of size 2. Therefore, by checking the 864 // size of Helper(x), which can be done at compile time, we can tell 865 // which version of Helper() is used, and hence whether x can be 866 // implicitly converted to type To. 867 static char Helper(To); 868 static char (&Helper(...))[2]; // NOLINT 869 870 // We have to put the 'public' section after the 'private' section, 871 // or MSVC refuses to compile the code. 872 public: 873 // MSVC warns about implicitly converting from double to int for 874 // possible loss of data, so we need to temporarily disable the 875 // warning. 876#ifdef _MSC_VER 877# pragma warning(push) // Saves the current warning state. 878# pragma warning(disable:4244) // Temporarily disables warning 4244. 879 880 static const bool value = 881 sizeof(Helper(ImplicitlyConvertible::MakeFrom())) == 1; 882# pragma warning(pop) // Restores the warning state. 883#elif defined(__BORLANDC__) 884 // C++Builder cannot use member overload resolution during template 885 // instantiation. The simplest workaround is to use its C++0x type traits 886 // functions (C++Builder 2009 and above only). 887 static const bool value = __is_convertible(From, To); 888#else 889 static const bool value = 890 sizeof(Helper(ImplicitlyConvertible::MakeFrom())) == 1; 891#endif // _MSV_VER 892}; 893template <typename From, typename To> 894const bool ImplicitlyConvertible<From, To>::value; 895 896// IsAProtocolMessage<T>::value is a compile-time bool constant that's 897// true iff T is type ProtocolMessage, proto2::Message, or a subclass 898// of those. 899template <typename T> 900struct IsAProtocolMessage 901 : public bool_constant< 902 ImplicitlyConvertible<const T*, const ::ProtocolMessage*>::value || 903 ImplicitlyConvertible<const T*, const ::proto2::Message*>::value> { 904}; 905 906// When the compiler sees expression IsContainerTest<C>(0), if C is an 907// STL-style container class, the first overload of IsContainerTest 908// will be viable (since both C::iterator* and C::const_iterator* are 909// valid types and NULL can be implicitly converted to them). It will 910// be picked over the second overload as 'int' is a perfect match for 911// the type of argument 0. If C::iterator or C::const_iterator is not 912// a valid type, the first overload is not viable, and the second 913// overload will be picked. Therefore, we can determine whether C is 914// a container class by checking the type of IsContainerTest<C>(0). 915// The value of the expression is insignificant. 916// 917// Note that we look for both C::iterator and C::const_iterator. The 918// reason is that C++ injects the name of a class as a member of the 919// class itself (e.g. you can refer to class iterator as either 920// 'iterator' or 'iterator::iterator'). If we look for C::iterator 921// only, for example, we would mistakenly think that a class named 922// iterator is an STL container. 923// 924// Also note that the simpler approach of overloading 925// IsContainerTest(typename C::const_iterator*) and 926// IsContainerTest(...) doesn't work with Visual Age C++ and Sun C++. 927typedef int IsContainer; 928template <class C> 929IsContainer IsContainerTest(int /* dummy */, 930 typename C::iterator* /* it */ = NULL, 931 typename C::const_iterator* /* const_it */ = NULL) { 932 return 0; 933} 934 935typedef char IsNotContainer; 936template <class C> 937IsNotContainer IsContainerTest(long /* dummy */) { return '\0'; } 938 939// EnableIf<condition>::type is void when 'Cond' is true, and 940// undefined when 'Cond' is false. To use SFINAE to make a function 941// overload only apply when a particular expression is true, add 942// "typename EnableIf<expression>::type* = 0" as the last parameter. 943template<bool> struct EnableIf; 944template<> struct EnableIf<true> { typedef void type; }; // NOLINT 945 946// Utilities for native arrays. 947 948// ArrayEq() compares two k-dimensional native arrays using the 949// elements' operator==, where k can be any integer >= 0. When k is 950// 0, ArrayEq() degenerates into comparing a single pair of values. 951 952template <typename T, typename U> 953bool ArrayEq(const T* lhs, size_t size, const U* rhs); 954 955// This generic version is used when k is 0. 956template <typename T, typename U> 957inline bool ArrayEq(const T& lhs, const U& rhs) { return lhs == rhs; } 958 959// This overload is used when k >= 1. 960template <typename T, typename U, size_t N> 961inline bool ArrayEq(const T(&lhs)[N], const U(&rhs)[N]) { 962 return internal::ArrayEq(lhs, N, rhs); 963} 964 965// This helper reduces code bloat. If we instead put its logic inside 966// the previous ArrayEq() function, arrays with different sizes would 967// lead to different copies of the template code. 968template <typename T, typename U> 969bool ArrayEq(const T* lhs, size_t size, const U* rhs) { 970 for (size_t i = 0; i != size; i++) { 971 if (!internal::ArrayEq(lhs[i], rhs[i])) 972 return false; 973 } 974 return true; 975} 976 977// Finds the first element in the iterator range [begin, end) that 978// equals elem. Element may be a native array type itself. 979template <typename Iter, typename Element> 980Iter ArrayAwareFind(Iter begin, Iter end, const Element& elem) { 981 for (Iter it = begin; it != end; ++it) { 982 if (internal::ArrayEq(*it, elem)) 983 return it; 984 } 985 return end; 986} 987 988// CopyArray() copies a k-dimensional native array using the elements' 989// operator=, where k can be any integer >= 0. When k is 0, 990// CopyArray() degenerates into copying a single value. 991 992template <typename T, typename U> 993void CopyArray(const T* from, size_t size, U* to); 994 995// This generic version is used when k is 0. 996template <typename T, typename U> 997inline void CopyArray(const T& from, U* to) { *to = from; } 998 999// This overload is used when k >= 1. 1000template <typename T, typename U, size_t N> 1001inline void CopyArray(const T(&from)[N], U(*to)[N]) { 1002 internal::CopyArray(from, N, *to); 1003} 1004 1005// This helper reduces code bloat. If we instead put its logic inside 1006// the previous CopyArray() function, arrays with different sizes 1007// would lead to different copies of the template code. 1008template <typename T, typename U> 1009void CopyArray(const T* from, size_t size, U* to) { 1010 for (size_t i = 0; i != size; i++) { 1011 internal::CopyArray(from[i], to + i); 1012 } 1013} 1014 1015// The relation between an NativeArray object (see below) and the 1016// native array it represents. 1017enum RelationToSource { 1018 kReference, // The NativeArray references the native array. 1019 kCopy // The NativeArray makes a copy of the native array and 1020 // owns the copy. 1021}; 1022 1023// Adapts a native array to a read-only STL-style container. Instead 1024// of the complete STL container concept, this adaptor only implements 1025// members useful for Google Mock's container matchers. New members 1026// should be added as needed. To simplify the implementation, we only 1027// support Element being a raw type (i.e. having no top-level const or 1028// reference modifier). It's the client's responsibility to satisfy 1029// this requirement. Element can be an array type itself (hence 1030// multi-dimensional arrays are supported). 1031template <typename Element> 1032class NativeArray { 1033 public: 1034 // STL-style container typedefs. 1035 typedef Element value_type; 1036 typedef Element* iterator; 1037 typedef const Element* const_iterator; 1038 1039 // Constructs from a native array. 1040 NativeArray(const Element* array, size_t count, RelationToSource relation) { 1041 Init(array, count, relation); 1042 } 1043 1044 // Copy constructor. 1045 NativeArray(const NativeArray& rhs) { 1046 Init(rhs.array_, rhs.size_, rhs.relation_to_source_); 1047 } 1048 1049 ~NativeArray() { 1050 // Ensures that the user doesn't instantiate NativeArray with a 1051 // const or reference type. 1052 static_cast<void>(StaticAssertTypeEqHelper<Element, 1053 GTEST_REMOVE_REFERENCE_AND_CONST_(Element)>()); 1054 if (relation_to_source_ == kCopy) 1055 delete[] array_; 1056 } 1057 1058 // STL-style container methods. 1059 size_t size() const { return size_; } 1060 const_iterator begin() const { return array_; } 1061 const_iterator end() const { return array_ + size_; } 1062 bool operator==(const NativeArray& rhs) const { 1063 return size() == rhs.size() && 1064 ArrayEq(begin(), size(), rhs.begin()); 1065 } 1066 1067 private: 1068 // Initializes this object; makes a copy of the input array if 1069 // 'relation' is kCopy. 1070 void Init(const Element* array, size_t a_size, RelationToSource relation) { 1071 if (relation == kReference) { 1072 array_ = array; 1073 } else { 1074 Element* const copy = new Element[a_size]; 1075 CopyArray(array, a_size, copy); 1076 array_ = copy; 1077 } 1078 size_ = a_size; 1079 relation_to_source_ = relation; 1080 } 1081 1082 const Element* array_; 1083 size_t size_; 1084 RelationToSource relation_to_source_; 1085 1086 GTEST_DISALLOW_ASSIGN_(NativeArray); 1087}; 1088 1089} // namespace internal 1090} // namespace testing 1091 1092#define GTEST_MESSAGE_AT_(file, line, message, result_type) \ 1093 ::testing::internal::AssertHelper(result_type, file, line, message) \ 1094 = ::testing::Message() 1095 1096#define GTEST_MESSAGE_(message, result_type) \ 1097 GTEST_MESSAGE_AT_(__FILE__, __LINE__, message, result_type) 1098 1099#define GTEST_FATAL_FAILURE_(message) \ 1100 return GTEST_MESSAGE_(message, ::testing::TestPartResult::kFatalFailure) 1101 1102#define GTEST_NONFATAL_FAILURE_(message) \ 1103 GTEST_MESSAGE_(message, ::testing::TestPartResult::kNonFatalFailure) 1104 1105#define GTEST_SUCCESS_(message) \ 1106 GTEST_MESSAGE_(message, ::testing::TestPartResult::kSuccess) 1107 1108// Suppresses MSVC warnings 4072 (unreachable code) for the code following 1109// statement if it returns or throws (or doesn't return or throw in some 1110// situations). 1111#define GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement) \ 1112 if (::testing::internal::AlwaysTrue()) { statement; } 1113 1114#define GTEST_TEST_THROW_(statement, expected_exception, fail) \ 1115 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 1116 if (::testing::internal::ConstCharPtr gtest_msg = "") { \ 1117 bool gtest_caught_expected = false; \ 1118 try { \ 1119 GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ 1120 } \ 1121 catch (expected_exception const&) { \ 1122 gtest_caught_expected = true; \ 1123 } \ 1124 catch (...) { \ 1125 gtest_msg.value = \ 1126 "Expected: " #statement " throws an exception of type " \ 1127 #expected_exception ".\n Actual: it throws a different type."; \ 1128 goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \ 1129 } \ 1130 if (!gtest_caught_expected) { \ 1131 gtest_msg.value = \ 1132 "Expected: " #statement " throws an exception of type " \ 1133 #expected_exception ".\n Actual: it throws nothing."; \ 1134 goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \ 1135 } \ 1136 } else \ 1137 GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__): \ 1138 fail(gtest_msg.value) 1139 1140#define GTEST_TEST_NO_THROW_(statement, fail) \ 1141 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 1142 if (::testing::internal::AlwaysTrue()) { \ 1143 try { \ 1144 GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ 1145 } \ 1146 catch (...) { \ 1147 goto GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__); \ 1148 } \ 1149 } else \ 1150 GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__): \ 1151 fail("Expected: " #statement " doesn't throw an exception.\n" \ 1152 " Actual: it throws.") 1153 1154#define GTEST_TEST_ANY_THROW_(statement, fail) \ 1155 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 1156 if (::testing::internal::AlwaysTrue()) { \ 1157 bool gtest_caught_any = false; \ 1158 try { \ 1159 GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ 1160 } \ 1161 catch (...) { \ 1162 gtest_caught_any = true; \ 1163 } \ 1164 if (!gtest_caught_any) { \ 1165 goto GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__); \ 1166 } \ 1167 } else \ 1168 GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__): \ 1169 fail("Expected: " #statement " throws an exception.\n" \ 1170 " Actual: it doesn't.") 1171 1172 1173// Implements Boolean test assertions such as EXPECT_TRUE. expression can be 1174// either a boolean expression or an AssertionResult. text is a textual 1175// represenation of expression as it was passed into the EXPECT_TRUE. 1176#define GTEST_TEST_BOOLEAN_(expression, text, actual, expected, fail) \ 1177 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 1178 if (const ::testing::AssertionResult gtest_ar_ = \ 1179 ::testing::AssertionResult(expression)) \ 1180 ; \ 1181 else \ 1182 fail(::testing::internal::GetBoolAssertionFailureMessage(\ 1183 gtest_ar_, text, #actual, #expected).c_str()) 1184 1185#define GTEST_TEST_NO_FATAL_FAILURE_(statement, fail) \ 1186 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 1187 if (::testing::internal::AlwaysTrue()) { \ 1188 ::testing::internal::HasNewFatalFailureHelper gtest_fatal_failure_checker; \ 1189 GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ 1190 if (gtest_fatal_failure_checker.has_new_fatal_failure()) { \ 1191 goto GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__); \ 1192 } \ 1193 } else \ 1194 GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__): \ 1195 fail("Expected: " #statement " doesn't generate new fatal " \ 1196 "failures in the current thread.\n" \ 1197 " Actual: it does.") 1198 1199// Expands to the name of the class that implements the given test. 1200#define GTEST_TEST_CLASS_NAME_(test_case_name, test_name) \ 1201 test_case_name##_##test_name##_Test 1202 1203// Helper macro for defining tests. 1204#define GTEST_TEST_(test_case_name, test_name, parent_class, parent_id)\ 1205class GTEST_TEST_CLASS_NAME_(test_case_name, test_name) : public parent_class {\ 1206 public:\ 1207 GTEST_TEST_CLASS_NAME_(test_case_name, test_name)() {}\ 1208 private:\ 1209 virtual void TestBody();\ 1210 static ::testing::TestInfo* const test_info_ GTEST_ATTRIBUTE_UNUSED_;\ 1211 GTEST_DISALLOW_COPY_AND_ASSIGN_(\ 1212 GTEST_TEST_CLASS_NAME_(test_case_name, test_name));\ 1213};\ 1214\ 1215::testing::TestInfo* const GTEST_TEST_CLASS_NAME_(test_case_name, test_name)\ 1216 ::test_info_ =\ 1217 ::testing::internal::MakeAndRegisterTestInfo(\ 1218 #test_case_name, #test_name, NULL, NULL, \ 1219 (parent_id), \ 1220 parent_class::SetUpTestCase, \ 1221 parent_class::TearDownTestCase, \ 1222 new ::testing::internal::TestFactoryImpl<\ 1223 GTEST_TEST_CLASS_NAME_(test_case_name, test_name)>);\ 1224void GTEST_TEST_CLASS_NAME_(test_case_name, test_name)::TestBody() 1225 1226#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_ 1227