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#if GTEST_HAS_EXCEPTIONS 50# include <stdexcept> 51#endif 52 53#include <ctype.h> 54#include <float.h> 55#include <string.h> 56#include <iomanip> 57#include <limits> 58#include <map> 59#include <set> 60#include <string> 61#include <vector> 62 63#include "gtest/gtest-message.h" 64#include "gtest/internal/gtest-string.h" 65#include "gtest/internal/gtest-filepath.h" 66#include "gtest/internal/gtest-type-util.h" 67 68// Due to C++ preprocessor weirdness, we need double indirection to 69// concatenate two tokens when one of them is __LINE__. Writing 70// 71// foo ## __LINE__ 72// 73// will result in the token foo__LINE__, instead of foo followed by 74// the current line number. For more details, see 75// http://www.parashift.com/c++-faq-lite/misc-technical-issues.html#faq-39.6 76#define GTEST_CONCAT_TOKEN_(foo, bar) GTEST_CONCAT_TOKEN_IMPL_(foo, bar) 77#define GTEST_CONCAT_TOKEN_IMPL_(foo, bar) foo ## bar 78 79class ProtocolMessage; 80namespace proto2 { class Message; } 81 82namespace testing { 83 84// Forward declarations. 85 86class AssertionResult; // Result of an assertion. 87class Message; // Represents a failure message. 88class Test; // Represents a test. 89class TestInfo; // Information about a test. 90class TestPartResult; // Result of a test part. 91class UnitTest; // A collection of test cases. 92 93template <typename T> 94::std::string PrintToString(const T& value); 95 96namespace internal { 97 98struct TraceInfo; // Information about a trace point. 99class ScopedTrace; // Implements scoped trace. 100class TestInfoImpl; // Opaque implementation of TestInfo 101class UnitTestImpl; // Opaque implementation of UnitTest 102 103// The text used in failure messages to indicate the start of the 104// stack trace. 105GTEST_API_ extern const char kStackTraceMarker[]; 106 107// Two overloaded helpers for checking at compile time whether an 108// expression is a null pointer literal (i.e. NULL or any 0-valued 109// compile-time integral constant). Their return values have 110// different sizes, so we can use sizeof() to test which version is 111// picked by the compiler. These helpers have no implementations, as 112// we only need their signatures. 113// 114// Given IsNullLiteralHelper(x), the compiler will pick the first 115// version if x can be implicitly converted to Secret*, and pick the 116// second version otherwise. Since Secret is a secret and incomplete 117// type, the only expression a user can write that has type Secret* is 118// a null pointer literal. Therefore, we know that x is a null 119// pointer literal if and only if the first version is picked by the 120// compiler. 121char IsNullLiteralHelper(Secret* p); 122char (&IsNullLiteralHelper(...))[2]; // NOLINT 123 124// A compile-time bool constant that is true if and only if x is a 125// null pointer literal (i.e. NULL or any 0-valued compile-time 126// integral constant). 127#ifdef GTEST_ELLIPSIS_NEEDS_POD_ 128// We lose support for NULL detection where the compiler doesn't like 129// passing non-POD classes through ellipsis (...). 130# define GTEST_IS_NULL_LITERAL_(x) false 131#else 132# define GTEST_IS_NULL_LITERAL_(x) \ 133 (sizeof(::testing::internal::IsNullLiteralHelper(x)) == 1) 134#endif // GTEST_ELLIPSIS_NEEDS_POD_ 135 136// Appends the user-supplied message to the Google-Test-generated message. 137GTEST_API_ std::string AppendUserMessage( 138 const std::string& gtest_msg, const Message& user_msg); 139 140#if GTEST_HAS_EXCEPTIONS 141 142// This exception is thrown by (and only by) a failed Google Test 143// assertion when GTEST_FLAG(throw_on_failure) is true (if exceptions 144// are enabled). We derive it from std::runtime_error, which is for 145// errors presumably detectable only at run time. Since 146// std::runtime_error inherits from std::exception, many testing 147// frameworks know how to extract and print the message inside it. 148class GTEST_API_ GoogleTestFailureException : public ::std::runtime_error { 149 public: 150 explicit GoogleTestFailureException(const TestPartResult& failure); 151}; 152 153#endif // GTEST_HAS_EXCEPTIONS 154 155// A helper class for creating scoped traces in user programs. 156class GTEST_API_ ScopedTrace { 157 public: 158 // The c'tor pushes the given source file location and message onto 159 // a trace stack maintained by Google Test. 160 ScopedTrace(const char* file, int line, const Message& message); 161 162 // The d'tor pops the info pushed by the c'tor. 163 // 164 // Note that the d'tor is not virtual in order to be efficient. 165 // Don't inherit from ScopedTrace! 166 ~ScopedTrace(); 167 168 private: 169 GTEST_DISALLOW_COPY_AND_ASSIGN_(ScopedTrace); 170} GTEST_ATTRIBUTE_UNUSED_; // A ScopedTrace object does its job in its 171 // c'tor and d'tor. Therefore it doesn't 172 // need to be used otherwise. 173 174namespace edit_distance { 175// Returns the optimal edits to go from 'left' to 'right'. 176// All edits cost the same, with replace having lower priority than 177// add/remove. 178// Simple implementation of the Wagner–Fischer algorithm. 179// See http://en.wikipedia.org/wiki/Wagner-Fischer_algorithm 180enum EditType { kMatch, kAdd, kRemove, kReplace }; 181GTEST_API_ std::vector<EditType> CalculateOptimalEdits( 182 const std::vector<size_t>& left, const std::vector<size_t>& right); 183 184// Same as above, but the input is represented as strings. 185GTEST_API_ std::vector<EditType> CalculateOptimalEdits( 186 const std::vector<std::string>& left, 187 const std::vector<std::string>& right); 188 189// Create a diff of the input strings in Unified diff format. 190GTEST_API_ std::string CreateUnifiedDiff(const std::vector<std::string>& left, 191 const std::vector<std::string>& right, 192 size_t context = 2); 193 194} // namespace edit_distance 195 196// Calculate the diff between 'left' and 'right' and return it in unified diff 197// format. 198// If not null, stores in 'total_line_count' the total number of lines found 199// in left + right. 200GTEST_API_ std::string DiffStrings(const std::string& left, 201 const std::string& right, 202 size_t* total_line_count); 203 204// Constructs and returns the message for an equality assertion 205// (e.g. ASSERT_EQ, EXPECT_STREQ, etc) failure. 206// 207// The first four parameters are the expressions used in the assertion 208// and their values, as strings. For example, for ASSERT_EQ(foo, bar) 209// where foo is 5 and bar is 6, we have: 210// 211// expected_expression: "foo" 212// actual_expression: "bar" 213// expected_value: "5" 214// actual_value: "6" 215// 216// The ignoring_case parameter is true iff the assertion is a 217// *_STRCASEEQ*. When it's true, the string " (ignoring case)" will 218// be inserted into the message. 219GTEST_API_ AssertionResult EqFailure(const char* expected_expression, 220 const char* actual_expression, 221 const std::string& expected_value, 222 const std::string& actual_value, 223 bool ignoring_case); 224 225// Constructs a failure message for Boolean assertions such as EXPECT_TRUE. 226GTEST_API_ std::string GetBoolAssertionFailureMessage( 227 const AssertionResult& assertion_result, 228 const char* expression_text, 229 const char* actual_predicate_value, 230 const char* expected_predicate_value); 231 232// This template class represents an IEEE floating-point number 233// (either single-precision or double-precision, depending on the 234// template parameters). 235// 236// The purpose of this class is to do more sophisticated number 237// comparison. (Due to round-off error, etc, it's very unlikely that 238// two floating-points will be equal exactly. Hence a naive 239// comparison by the == operation often doesn't work.) 240// 241// Format of IEEE floating-point: 242// 243// The most-significant bit being the leftmost, an IEEE 244// floating-point looks like 245// 246// sign_bit exponent_bits fraction_bits 247// 248// Here, sign_bit is a single bit that designates the sign of the 249// number. 250// 251// For float, there are 8 exponent bits and 23 fraction bits. 252// 253// For double, there are 11 exponent bits and 52 fraction bits. 254// 255// More details can be found at 256// http://en.wikipedia.org/wiki/IEEE_floating-point_standard. 257// 258// Template parameter: 259// 260// RawType: the raw floating-point type (either float or double) 261template <typename RawType> 262class FloatingPoint { 263 public: 264 // Defines the unsigned integer type that has the same size as the 265 // floating point number. 266 typedef typename TypeWithSize<sizeof(RawType)>::UInt Bits; 267 268 // Constants. 269 270 // # of bits in a number. 271 static const size_t kBitCount = 8*sizeof(RawType); 272 273 // # of fraction bits in a number. 274 static const size_t kFractionBitCount = 275 std::numeric_limits<RawType>::digits - 1; 276 277 // # of exponent bits in a number. 278 static const size_t kExponentBitCount = kBitCount - 1 - kFractionBitCount; 279 280 // The mask for the sign bit. 281 static const Bits kSignBitMask = static_cast<Bits>(1) << (kBitCount - 1); 282 283 // The mask for the fraction bits. 284 static const Bits kFractionBitMask = 285 ~static_cast<Bits>(0) >> (kExponentBitCount + 1); 286 287 // The mask for the exponent bits. 288 static const Bits kExponentBitMask = ~(kSignBitMask | kFractionBitMask); 289 290 // How many ULP's (Units in the Last Place) we want to tolerate when 291 // comparing two numbers. The larger the value, the more error we 292 // allow. A 0 value means that two numbers must be exactly the same 293 // to be considered equal. 294 // 295 // The maximum error of a single floating-point operation is 0.5 296 // units in the last place. On Intel CPU's, all floating-point 297 // calculations are done with 80-bit precision, while double has 64 298 // bits. Therefore, 4 should be enough for ordinary use. 299 // 300 // See the following article for more details on ULP: 301 // http://randomascii.wordpress.com/2012/02/25/comparing-floating-point-numbers-2012-edition/ 302 static const size_t kMaxUlps = 4; 303 304 // Constructs a FloatingPoint from a raw floating-point number. 305 // 306 // On an Intel CPU, passing a non-normalized NAN (Not a Number) 307 // around may change its bits, although the new value is guaranteed 308 // to be also a NAN. Therefore, don't expect this constructor to 309 // preserve the bits in x when x is a NAN. 310 explicit FloatingPoint(const RawType& x) { u_.value_ = x; } 311 312 // Static methods 313 314 // Reinterprets a bit pattern as a floating-point number. 315 // 316 // This function is needed to test the AlmostEquals() method. 317 static RawType ReinterpretBits(const Bits bits) { 318 FloatingPoint fp(0); 319 fp.u_.bits_ = bits; 320 return fp.u_.value_; 321 } 322 323 // Returns the floating-point number that represent positive infinity. 324 static RawType Infinity() { 325 return ReinterpretBits(kExponentBitMask); 326 } 327 328 // Returns the maximum representable finite floating-point number. 329 static RawType Max(); 330 331 // Non-static methods 332 333 // Returns the bits that represents this number. 334 const Bits &bits() const { return u_.bits_; } 335 336 // Returns the exponent bits of this number. 337 Bits exponent_bits() const { return kExponentBitMask & u_.bits_; } 338 339 // Returns the fraction bits of this number. 340 Bits fraction_bits() const { return kFractionBitMask & u_.bits_; } 341 342 // Returns the sign bit of this number. 343 Bits sign_bit() const { return kSignBitMask & u_.bits_; } 344 345 // Returns true iff this is NAN (not a number). 346 bool is_nan() const { 347 // It's a NAN if the exponent bits are all ones and the fraction 348 // bits are not entirely zeros. 349 return (exponent_bits() == kExponentBitMask) && (fraction_bits() != 0); 350 } 351 352 // Returns true iff this number is at most kMaxUlps ULP's away from 353 // rhs. In particular, this function: 354 // 355 // - returns false if either number is (or both are) NAN. 356 // - treats really large numbers as almost equal to infinity. 357 // - thinks +0.0 and -0.0 are 0 DLP's apart. 358 bool AlmostEquals(const FloatingPoint& rhs) const { 359 // The IEEE standard says that any comparison operation involving 360 // a NAN must return false. 361 if (is_nan() || rhs.is_nan()) return false; 362 363 return DistanceBetweenSignAndMagnitudeNumbers(u_.bits_, rhs.u_.bits_) 364 <= kMaxUlps; 365 } 366 367 private: 368 // The data type used to store the actual floating-point number. 369 union FloatingPointUnion { 370 RawType value_; // The raw floating-point number. 371 Bits bits_; // The bits that represent the number. 372 }; 373 374 // Converts an integer from the sign-and-magnitude representation to 375 // the biased representation. More precisely, let N be 2 to the 376 // power of (kBitCount - 1), an integer x is represented by the 377 // unsigned number x + N. 378 // 379 // For instance, 380 // 381 // -N + 1 (the most negative number representable using 382 // sign-and-magnitude) is represented by 1; 383 // 0 is represented by N; and 384 // N - 1 (the biggest number representable using 385 // sign-and-magnitude) is represented by 2N - 1. 386 // 387 // Read http://en.wikipedia.org/wiki/Signed_number_representations 388 // for more details on signed number representations. 389 static Bits SignAndMagnitudeToBiased(const Bits &sam) { 390 if (kSignBitMask & sam) { 391 // sam represents a negative number. 392 return ~sam + 1; 393 } else { 394 // sam represents a positive number. 395 return kSignBitMask | sam; 396 } 397 } 398 399 // Given two numbers in the sign-and-magnitude representation, 400 // returns the distance between them as an unsigned number. 401 static Bits DistanceBetweenSignAndMagnitudeNumbers(const Bits &sam1, 402 const Bits &sam2) { 403 const Bits biased1 = SignAndMagnitudeToBiased(sam1); 404 const Bits biased2 = SignAndMagnitudeToBiased(sam2); 405 return (biased1 >= biased2) ? (biased1 - biased2) : (biased2 - biased1); 406 } 407 408 FloatingPointUnion u_; 409}; 410 411// We cannot use std::numeric_limits<T>::max() as it clashes with the max() 412// macro defined by <windows.h>. 413template <> 414inline float FloatingPoint<float>::Max() { return FLT_MAX; } 415template <> 416inline double FloatingPoint<double>::Max() { return DBL_MAX; } 417 418// Typedefs the instances of the FloatingPoint template class that we 419// care to use. 420typedef FloatingPoint<float> Float; 421typedef FloatingPoint<double> Double; 422 423// In order to catch the mistake of putting tests that use different 424// test fixture classes in the same test case, we need to assign 425// unique IDs to fixture classes and compare them. The TypeId type is 426// used to hold such IDs. The user should treat TypeId as an opaque 427// type: the only operation allowed on TypeId values is to compare 428// them for equality using the == operator. 429typedef const void* TypeId; 430 431template <typename T> 432class TypeIdHelper { 433 public: 434 // dummy_ must not have a const type. Otherwise an overly eager 435 // compiler (e.g. MSVC 7.1 & 8.0) may try to merge 436 // TypeIdHelper<T>::dummy_ for different Ts as an "optimization". 437 static bool dummy_; 438}; 439 440template <typename T> 441bool TypeIdHelper<T>::dummy_ = false; 442 443// GetTypeId<T>() returns the ID of type T. Different values will be 444// returned for different types. Calling the function twice with the 445// same type argument is guaranteed to return the same ID. 446template <typename T> 447TypeId GetTypeId() { 448 // The compiler is required to allocate a different 449 // TypeIdHelper<T>::dummy_ variable for each T used to instantiate 450 // the template. Therefore, the address of dummy_ is guaranteed to 451 // be unique. 452 return &(TypeIdHelper<T>::dummy_); 453} 454 455// Returns the type ID of ::testing::Test. Always call this instead 456// of GetTypeId< ::testing::Test>() to get the type ID of 457// ::testing::Test, as the latter may give the wrong result due to a 458// suspected linker bug when compiling Google Test as a Mac OS X 459// framework. 460GTEST_API_ TypeId GetTestTypeId(); 461 462// Defines the abstract factory interface that creates instances 463// of a Test object. 464class TestFactoryBase { 465 public: 466 virtual ~TestFactoryBase() {} 467 468 // Creates a test instance to run. The instance is both created and destroyed 469 // within TestInfoImpl::Run() 470 virtual Test* CreateTest() = 0; 471 472 protected: 473 TestFactoryBase() {} 474 475 private: 476 GTEST_DISALLOW_COPY_AND_ASSIGN_(TestFactoryBase); 477}; 478 479// This class provides implementation of TeastFactoryBase interface. 480// It is used in TEST and TEST_F macros. 481template <class TestClass> 482class TestFactoryImpl : public TestFactoryBase { 483 public: 484 virtual Test* CreateTest() { return new TestClass; } 485}; 486 487#if GTEST_OS_WINDOWS 488 489// Predicate-formatters for implementing the HRESULT checking macros 490// {ASSERT|EXPECT}_HRESULT_{SUCCEEDED|FAILED} 491// We pass a long instead of HRESULT to avoid causing an 492// include dependency for the HRESULT type. 493GTEST_API_ AssertionResult IsHRESULTSuccess(const char* expr, 494 long hr); // NOLINT 495GTEST_API_ AssertionResult IsHRESULTFailure(const char* expr, 496 long hr); // NOLINT 497 498#endif // GTEST_OS_WINDOWS 499 500// Types of SetUpTestCase() and TearDownTestCase() functions. 501typedef void (*SetUpTestCaseFunc)(); 502typedef void (*TearDownTestCaseFunc)(); 503 504struct CodeLocation { 505 CodeLocation(const string& a_file, int a_line) : file(a_file), line(a_line) {} 506 507 string file; 508 int line; 509}; 510 511// Creates a new TestInfo object and registers it with Google Test; 512// returns the created object. 513// 514// Arguments: 515// 516// test_case_name: name of the test case 517// name: name of the test 518// type_param the name of the test's type parameter, or NULL if 519// this is not a typed or a type-parameterized test. 520// value_param text representation of the test's value parameter, 521// or NULL if this is not a type-parameterized test. 522// code_location: code location where the test is defined 523// fixture_class_id: ID of the test fixture class 524// set_up_tc: pointer to the function that sets up the test case 525// tear_down_tc: pointer to the function that tears down the test case 526// factory: pointer to the factory that creates a test object. 527// The newly created TestInfo instance will assume 528// ownership of the factory object. 529GTEST_API_ TestInfo* MakeAndRegisterTestInfo( 530 const char* test_case_name, 531 const char* name, 532 const char* type_param, 533 const char* value_param, 534 CodeLocation code_location, 535 TypeId fixture_class_id, 536 SetUpTestCaseFunc set_up_tc, 537 TearDownTestCaseFunc tear_down_tc, 538 TestFactoryBase* factory); 539 540// If *pstr starts with the given prefix, modifies *pstr to be right 541// past the prefix and returns true; otherwise leaves *pstr unchanged 542// and returns false. None of pstr, *pstr, and prefix can be NULL. 543GTEST_API_ bool SkipPrefix(const char* prefix, const char** pstr); 544 545#if GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P 546 547// State of the definition of a type-parameterized test case. 548class GTEST_API_ TypedTestCasePState { 549 public: 550 TypedTestCasePState() : registered_(false) {} 551 552 // Adds the given test name to defined_test_names_ and return true 553 // if the test case hasn't been registered; otherwise aborts the 554 // program. 555 bool AddTestName(const char* file, int line, const char* case_name, 556 const char* test_name) { 557 if (registered_) { 558 fprintf(stderr, "%s Test %s must be defined before " 559 "REGISTER_TYPED_TEST_CASE_P(%s, ...).\n", 560 FormatFileLocation(file, line).c_str(), test_name, case_name); 561 fflush(stderr); 562 posix::Abort(); 563 } 564 registered_tests_.insert( 565 ::std::make_pair(test_name, CodeLocation(file, line))); 566 return true; 567 } 568 569 bool TestExists(const std::string& test_name) const { 570 return registered_tests_.count(test_name) > 0; 571 } 572 573 const CodeLocation& GetCodeLocation(const std::string& test_name) const { 574 RegisteredTestsMap::const_iterator it = registered_tests_.find(test_name); 575 GTEST_CHECK_(it != registered_tests_.end()); 576 return it->second; 577 } 578 579 // Verifies that registered_tests match the test names in 580 // defined_test_names_; returns registered_tests if successful, or 581 // aborts the program otherwise. 582 const char* VerifyRegisteredTestNames( 583 const char* file, int line, const char* registered_tests); 584 585 private: 586 typedef ::std::map<std::string, CodeLocation> RegisteredTestsMap; 587 588 bool registered_; 589 RegisteredTestsMap registered_tests_; 590}; 591 592// Skips to the first non-space char after the first comma in 'str'; 593// returns NULL if no comma is found in 'str'. 594inline const char* SkipComma(const char* str) { 595 const char* comma = strchr(str, ','); 596 if (comma == NULL) { 597 return NULL; 598 } 599 while (IsSpace(*(++comma))) {} 600 return comma; 601} 602 603// Returns the prefix of 'str' before the first comma in it; returns 604// the entire string if it contains no comma. 605inline std::string GetPrefixUntilComma(const char* str) { 606 const char* comma = strchr(str, ','); 607 return comma == NULL ? str : std::string(str, comma); 608} 609 610// Splits a given string on a given delimiter, populating a given 611// vector with the fields. 612void SplitString(const ::std::string& str, char delimiter, 613 ::std::vector< ::std::string>* dest); 614 615// TypeParameterizedTest<Fixture, TestSel, Types>::Register() 616// registers a list of type-parameterized tests with Google Test. The 617// return value is insignificant - we just need to return something 618// such that we can call this function in a namespace scope. 619// 620// Implementation note: The GTEST_TEMPLATE_ macro declares a template 621// template parameter. It's defined in gtest-type-util.h. 622template <GTEST_TEMPLATE_ Fixture, class TestSel, typename Types> 623class TypeParameterizedTest { 624 public: 625 // 'index' is the index of the test in the type list 'Types' 626 // specified in INSTANTIATE_TYPED_TEST_CASE_P(Prefix, TestCase, 627 // Types). Valid values for 'index' are [0, N - 1] where N is the 628 // length of Types. 629 static bool Register(const char* prefix, 630 CodeLocation code_location, 631 const char* case_name, const char* test_names, 632 int index) { 633 typedef typename Types::Head Type; 634 typedef Fixture<Type> FixtureClass; 635 typedef typename GTEST_BIND_(TestSel, Type) TestClass; 636 637 // First, registers the first type-parameterized test in the type 638 // list. 639 MakeAndRegisterTestInfo( 640 (std::string(prefix) + (prefix[0] == '\0' ? "" : "/") + case_name + "/" 641 + StreamableToString(index)).c_str(), 642 StripTrailingSpaces(GetPrefixUntilComma(test_names)).c_str(), 643 GetTypeName<Type>().c_str(), 644 NULL, // No value parameter. 645 code_location, 646 GetTypeId<FixtureClass>(), 647 TestClass::SetUpTestCase, 648 TestClass::TearDownTestCase, 649 new TestFactoryImpl<TestClass>); 650 651 // Next, recurses (at compile time) with the tail of the type list. 652 return TypeParameterizedTest<Fixture, TestSel, typename Types::Tail> 653 ::Register(prefix, code_location, case_name, test_names, index + 1); 654 } 655}; 656 657// The base case for the compile time recursion. 658template <GTEST_TEMPLATE_ Fixture, class TestSel> 659class TypeParameterizedTest<Fixture, TestSel, Types0> { 660 public: 661 static bool Register(const char* /*prefix*/, CodeLocation, 662 const char* /*case_name*/, const char* /*test_names*/, 663 int /*index*/) { 664 return true; 665 } 666}; 667 668// TypeParameterizedTestCase<Fixture, Tests, Types>::Register() 669// registers *all combinations* of 'Tests' and 'Types' with Google 670// Test. The return value is insignificant - we just need to return 671// something such that we can call this function in a namespace scope. 672template <GTEST_TEMPLATE_ Fixture, typename Tests, typename Types> 673class TypeParameterizedTestCase { 674 public: 675 static bool Register(const char* prefix, CodeLocation code_location, 676 const TypedTestCasePState* state, 677 const char* case_name, const char* test_names) { 678 std::string test_name = StripTrailingSpaces( 679 GetPrefixUntilComma(test_names)); 680 if (!state->TestExists(test_name)) { 681 fprintf(stderr, "Failed to get code location for test %s.%s at %s.", 682 case_name, test_name.c_str(), 683 FormatFileLocation(code_location.file.c_str(), 684 code_location.line).c_str()); 685 fflush(stderr); 686 posix::Abort(); 687 } 688 const CodeLocation& test_location = state->GetCodeLocation(test_name); 689 690 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, test_location, 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, code_location, state, 699 case_name, SkipComma(test_names)); 700 } 701}; 702 703// The base case for the compile time recursion. 704template <GTEST_TEMPLATE_ Fixture, typename Types> 705class TypeParameterizedTestCase<Fixture, Templates0, Types> { 706 public: 707 static bool Register(const char* /*prefix*/, CodeLocation, 708 const TypedTestCasePState* /*state*/, 709 const char* /*case_name*/, const char* /*test_names*/) { 710 return true; 711 } 712}; 713 714#endif // GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P 715 716// Returns the current OS stack trace as an std::string. 717// 718// The maximum number of stack frames to be included is specified by 719// the gtest_stack_trace_depth flag. The skip_count parameter 720// specifies the number of top frames to be skipped, which doesn't 721// count against the number of frames to be included. 722// 723// For example, if Foo() calls Bar(), which in turn calls 724// GetCurrentOsStackTraceExceptTop(..., 1), Foo() will be included in 725// the trace but Bar() and GetCurrentOsStackTraceExceptTop() won't. 726GTEST_API_ std::string GetCurrentOsStackTraceExceptTop( 727 UnitTest* unit_test, int skip_count); 728 729// Helpers for suppressing warnings on unreachable code or constant 730// condition. 731 732// Always returns true. 733GTEST_API_ bool AlwaysTrue(); 734 735// Always returns false. 736inline bool AlwaysFalse() { return !AlwaysTrue(); } 737 738// Helper for suppressing false warning from Clang on a const char* 739// variable declared in a conditional expression always being NULL in 740// the else branch. 741struct GTEST_API_ ConstCharPtr { 742 ConstCharPtr(const char* str) : value(str) {} 743 operator bool() const { return true; } 744 const char* value; 745}; 746 747// A simple Linear Congruential Generator for generating random 748// numbers with a uniform distribution. Unlike rand() and srand(), it 749// doesn't use global state (and therefore can't interfere with user 750// code). Unlike rand_r(), it's portable. An LCG isn't very random, 751// but it's good enough for our purposes. 752class GTEST_API_ Random { 753 public: 754 static const UInt32 kMaxRange = 1u << 31; 755 756 explicit Random(UInt32 seed) : state_(seed) {} 757 758 void Reseed(UInt32 seed) { state_ = seed; } 759 760 // Generates a random number from [0, range). Crashes if 'range' is 761 // 0 or greater than kMaxRange. 762 UInt32 Generate(UInt32 range); 763 764 private: 765 UInt32 state_; 766 GTEST_DISALLOW_COPY_AND_ASSIGN_(Random); 767}; 768 769// Defining a variable of type CompileAssertTypesEqual<T1, T2> will cause a 770// compiler error iff T1 and T2 are different types. 771template <typename T1, typename T2> 772struct CompileAssertTypesEqual; 773 774template <typename T> 775struct CompileAssertTypesEqual<T, T> { 776}; 777 778// Removes the reference from a type if it is a reference type, 779// otherwise leaves it unchanged. This is the same as 780// tr1::remove_reference, which is not widely available yet. 781template <typename T> 782struct RemoveReference { typedef T type; }; // NOLINT 783template <typename T> 784struct RemoveReference<T&> { typedef T type; }; // NOLINT 785 786// A handy wrapper around RemoveReference that works when the argument 787// T depends on template parameters. 788#define GTEST_REMOVE_REFERENCE_(T) \ 789 typename ::testing::internal::RemoveReference<T>::type 790 791// Removes const from a type if it is a const type, otherwise leaves 792// it unchanged. This is the same as tr1::remove_const, which is not 793// widely available yet. 794template <typename T> 795struct RemoveConst { typedef T type; }; // NOLINT 796template <typename T> 797struct RemoveConst<const T> { typedef T type; }; // NOLINT 798 799// MSVC 8.0, Sun C++, and IBM XL C++ have a bug which causes the above 800// definition to fail to remove the const in 'const int[3]' and 'const 801// char[3][4]'. The following specialization works around the bug. 802template <typename T, size_t N> 803struct RemoveConst<const T[N]> { 804 typedef typename RemoveConst<T>::type type[N]; 805}; 806 807#if defined(_MSC_VER) && _MSC_VER < 1400 808// This is the only specialization that allows VC++ 7.1 to remove const in 809// 'const int[3] and 'const int[3][4]'. However, it causes trouble with GCC 810// and thus needs to be conditionally compiled. 811template <typename T, size_t N> 812struct RemoveConst<T[N]> { 813 typedef typename RemoveConst<T>::type type[N]; 814}; 815#endif 816 817// A handy wrapper around RemoveConst that works when the argument 818// T depends on template parameters. 819#define GTEST_REMOVE_CONST_(T) \ 820 typename ::testing::internal::RemoveConst<T>::type 821 822// Turns const U&, U&, const U, and U all into U. 823#define GTEST_REMOVE_REFERENCE_AND_CONST_(T) \ 824 GTEST_REMOVE_CONST_(GTEST_REMOVE_REFERENCE_(T)) 825 826// Adds reference to a type if it is not a reference type, 827// otherwise leaves it unchanged. This is the same as 828// tr1::add_reference, which is not widely available yet. 829template <typename T> 830struct AddReference { typedef T& type; }; // NOLINT 831template <typename T> 832struct AddReference<T&> { typedef T& type; }; // NOLINT 833 834// A handy wrapper around AddReference that works when the argument T 835// depends on template parameters. 836#define GTEST_ADD_REFERENCE_(T) \ 837 typename ::testing::internal::AddReference<T>::type 838 839// Adds a reference to const on top of T as necessary. For example, 840// it transforms 841// 842// char ==> const char& 843// const char ==> const char& 844// char& ==> const char& 845// const char& ==> const char& 846// 847// The argument T must depend on some template parameters. 848#define GTEST_REFERENCE_TO_CONST_(T) \ 849 GTEST_ADD_REFERENCE_(const GTEST_REMOVE_REFERENCE_(T)) 850 851// ImplicitlyConvertible<From, To>::value is a compile-time bool 852// constant that's true iff type From can be implicitly converted to 853// type To. 854template <typename From, typename To> 855class ImplicitlyConvertible { 856 private: 857 // We need the following helper functions only for their types. 858 // They have no implementations. 859 860 // MakeFrom() is an expression whose type is From. We cannot simply 861 // use From(), as the type From may not have a public default 862 // constructor. 863 static typename AddReference<From>::type MakeFrom(); 864 865 // These two functions are overloaded. Given an expression 866 // Helper(x), the compiler will pick the first version if x can be 867 // implicitly converted to type To; otherwise it will pick the 868 // second version. 869 // 870 // The first version returns a value of size 1, and the second 871 // version returns a value of size 2. Therefore, by checking the 872 // size of Helper(x), which can be done at compile time, we can tell 873 // which version of Helper() is used, and hence whether x can be 874 // implicitly converted to type To. 875 static char Helper(To); 876 static char (&Helper(...))[2]; // NOLINT 877 878 // We have to put the 'public' section after the 'private' section, 879 // or MSVC refuses to compile the code. 880 public: 881#if defined(__BORLANDC__) 882 // C++Builder cannot use member overload resolution during template 883 // instantiation. The simplest workaround is to use its C++0x type traits 884 // functions (C++Builder 2009 and above only). 885 static const bool value = __is_convertible(From, To); 886#else 887 // MSVC warns about implicitly converting from double to int for 888 // possible loss of data, so we need to temporarily disable the 889 // warning. 890 GTEST_DISABLE_MSC_WARNINGS_PUSH_(4244) 891 static const bool value = 892 sizeof(Helper(ImplicitlyConvertible::MakeFrom())) == 1; 893 GTEST_DISABLE_MSC_WARNINGS_POP_() 894#endif // __BORLANDC__ 895}; 896template <typename From, typename To> 897const bool ImplicitlyConvertible<From, To>::value; 898 899// IsAProtocolMessage<T>::value is a compile-time bool constant that's 900// true iff T is type ProtocolMessage, proto2::Message, or a subclass 901// of those. 902template <typename T> 903struct IsAProtocolMessage 904 : public bool_constant< 905 ImplicitlyConvertible<const T*, const ::ProtocolMessage*>::value || 906 ImplicitlyConvertible<const T*, const ::proto2::Message*>::value> { 907}; 908 909// When the compiler sees expression IsContainerTest<C>(0), if C is an 910// STL-style container class, the first overload of IsContainerTest 911// will be viable (since both C::iterator* and C::const_iterator* are 912// valid types and NULL can be implicitly converted to them). It will 913// be picked over the second overload as 'int' is a perfect match for 914// the type of argument 0. If C::iterator or C::const_iterator is not 915// a valid type, the first overload is not viable, and the second 916// overload will be picked. Therefore, we can determine whether C is 917// a container class by checking the type of IsContainerTest<C>(0). 918// The value of the expression is insignificant. 919// 920// Note that we look for both C::iterator and C::const_iterator. The 921// reason is that C++ injects the name of a class as a member of the 922// class itself (e.g. you can refer to class iterator as either 923// 'iterator' or 'iterator::iterator'). If we look for C::iterator 924// only, for example, we would mistakenly think that a class named 925// iterator is an STL container. 926// 927// Also note that the simpler approach of overloading 928// IsContainerTest(typename C::const_iterator*) and 929// IsContainerTest(...) doesn't work with Visual Age C++ and Sun C++. 930typedef int IsContainer; 931template <class C> 932IsContainer IsContainerTest(int /* dummy */, 933 typename C::iterator* /* it */ = NULL, 934 typename C::const_iterator* /* const_it */ = NULL) { 935 return 0; 936} 937 938typedef char IsNotContainer; 939template <class C> 940IsNotContainer IsContainerTest(long /* dummy */) { return '\0'; } 941 942// EnableIf<condition>::type is void when 'Cond' is true, and 943// undefined when 'Cond' is false. To use SFINAE to make a function 944// overload only apply when a particular expression is true, add 945// "typename EnableIf<expression>::type* = 0" as the last parameter. 946template<bool> struct EnableIf; 947template<> struct EnableIf<true> { typedef void type; }; // NOLINT 948 949// Utilities for native arrays. 950 951// ArrayEq() compares two k-dimensional native arrays using the 952// elements' operator==, where k can be any integer >= 0. When k is 953// 0, ArrayEq() degenerates into comparing a single pair of values. 954 955template <typename T, typename U> 956bool ArrayEq(const T* lhs, size_t size, const U* rhs); 957 958// This generic version is used when k is 0. 959template <typename T, typename U> 960inline bool ArrayEq(const T& lhs, const U& rhs) { return lhs == rhs; } 961 962// This overload is used when k >= 1. 963template <typename T, typename U, size_t N> 964inline bool ArrayEq(const T(&lhs)[N], const U(&rhs)[N]) { 965 return internal::ArrayEq(lhs, N, rhs); 966} 967 968// This helper reduces code bloat. If we instead put its logic inside 969// the previous ArrayEq() function, arrays with different sizes would 970// lead to different copies of the template code. 971template <typename T, typename U> 972bool ArrayEq(const T* lhs, size_t size, const U* rhs) { 973 for (size_t i = 0; i != size; i++) { 974 if (!internal::ArrayEq(lhs[i], rhs[i])) 975 return false; 976 } 977 return true; 978} 979 980// Finds the first element in the iterator range [begin, end) that 981// equals elem. Element may be a native array type itself. 982template <typename Iter, typename Element> 983Iter ArrayAwareFind(Iter begin, Iter end, const Element& elem) { 984 for (Iter it = begin; it != end; ++it) { 985 if (internal::ArrayEq(*it, elem)) 986 return it; 987 } 988 return end; 989} 990 991// CopyArray() copies a k-dimensional native array using the elements' 992// operator=, where k can be any integer >= 0. When k is 0, 993// CopyArray() degenerates into copying a single value. 994 995template <typename T, typename U> 996void CopyArray(const T* from, size_t size, U* to); 997 998// This generic version is used when k is 0. 999template <typename T, typename U> 1000inline void CopyArray(const T& from, U* to) { *to = from; } 1001 1002// This overload is used when k >= 1. 1003template <typename T, typename U, size_t N> 1004inline void CopyArray(const T(&from)[N], U(*to)[N]) { 1005 internal::CopyArray(from, N, *to); 1006} 1007 1008// This helper reduces code bloat. If we instead put its logic inside 1009// the previous CopyArray() function, arrays with different sizes 1010// would lead to different copies of the template code. 1011template <typename T, typename U> 1012void CopyArray(const T* from, size_t size, U* to) { 1013 for (size_t i = 0; i != size; i++) { 1014 internal::CopyArray(from[i], to + i); 1015 } 1016} 1017 1018// The relation between an NativeArray object (see below) and the 1019// native array it represents. 1020// We use 2 different structs to allow non-copyable types to be used, as long 1021// as RelationToSourceReference() is passed. 1022struct RelationToSourceReference {}; 1023struct RelationToSourceCopy {}; 1024 1025// Adapts a native array to a read-only STL-style container. Instead 1026// of the complete STL container concept, this adaptor only implements 1027// members useful for Google Mock's container matchers. New members 1028// should be added as needed. To simplify the implementation, we only 1029// support Element being a raw type (i.e. having no top-level const or 1030// reference modifier). It's the client's responsibility to satisfy 1031// this requirement. Element can be an array type itself (hence 1032// multi-dimensional arrays are supported). 1033template <typename Element> 1034class NativeArray { 1035 public: 1036 // STL-style container typedefs. 1037 typedef Element value_type; 1038 typedef Element* iterator; 1039 typedef const Element* const_iterator; 1040 1041 // Constructs from a native array. References the source. 1042 NativeArray(const Element* array, size_t count, RelationToSourceReference) { 1043 InitRef(array, count); 1044 } 1045 1046 // Constructs from a native array. Copies the source. 1047 NativeArray(const Element* array, size_t count, RelationToSourceCopy) { 1048 InitCopy(array, count); 1049 } 1050 1051 // Copy constructor. 1052 NativeArray(const NativeArray& rhs) { 1053 (this->*rhs.clone_)(rhs.array_, rhs.size_); 1054 } 1055 1056 ~NativeArray() { 1057 if (clone_ != &NativeArray::InitRef) 1058 delete[] array_; 1059 } 1060 1061 // STL-style container methods. 1062 size_t size() const { return size_; } 1063 const_iterator begin() const { return array_; } 1064 const_iterator end() const { return array_ + size_; } 1065 bool operator==(const NativeArray& rhs) const { 1066 return size() == rhs.size() && 1067 ArrayEq(begin(), size(), rhs.begin()); 1068 } 1069 1070 private: 1071 enum { 1072 kCheckTypeIsNotConstOrAReference = StaticAssertTypeEqHelper< 1073 Element, GTEST_REMOVE_REFERENCE_AND_CONST_(Element)>::value, 1074 }; 1075 1076 // Initializes this object with a copy of the input. 1077 void InitCopy(const Element* array, size_t a_size) { 1078 Element* const copy = new Element[a_size]; 1079 CopyArray(array, a_size, copy); 1080 array_ = copy; 1081 size_ = a_size; 1082 clone_ = &NativeArray::InitCopy; 1083 } 1084 1085 // Initializes this object with a reference of the input. 1086 void InitRef(const Element* array, size_t a_size) { 1087 array_ = array; 1088 size_ = a_size; 1089 clone_ = &NativeArray::InitRef; 1090 } 1091 1092 const Element* array_; 1093 size_t size_; 1094 void (NativeArray::*clone_)(const Element*, size_t); 1095 1096 GTEST_DISALLOW_ASSIGN_(NativeArray); 1097}; 1098 1099} // namespace internal 1100} // namespace testing 1101 1102#define GTEST_MESSAGE_AT_(file, line, message, result_type) \ 1103 ::testing::internal::AssertHelper(result_type, file, line, message) \ 1104 = ::testing::Message() 1105 1106#define GTEST_MESSAGE_(message, result_type) \ 1107 GTEST_MESSAGE_AT_(__FILE__, __LINE__, message, result_type) 1108 1109#define GTEST_FATAL_FAILURE_(message) \ 1110 return GTEST_MESSAGE_(message, ::testing::TestPartResult::kFatalFailure) 1111 1112#define GTEST_NONFATAL_FAILURE_(message) \ 1113 GTEST_MESSAGE_(message, ::testing::TestPartResult::kNonFatalFailure) 1114 1115#define GTEST_SUCCESS_(message) \ 1116 GTEST_MESSAGE_(message, ::testing::TestPartResult::kSuccess) 1117 1118// Suppresses MSVC warnings 4072 (unreachable code) for the code following 1119// statement if it returns or throws (or doesn't return or throw in some 1120// situations). 1121#define GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement) \ 1122 if (::testing::internal::AlwaysTrue()) { statement; } 1123 1124#define GTEST_TEST_THROW_(statement, expected_exception, fail) \ 1125 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 1126 if (::testing::internal::ConstCharPtr gtest_msg = "") { \ 1127 bool gtest_caught_expected = false; \ 1128 try { \ 1129 GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ 1130 } \ 1131 catch (expected_exception const&) { \ 1132 gtest_caught_expected = true; \ 1133 } \ 1134 catch (...) { \ 1135 gtest_msg.value = \ 1136 "Expected: " #statement " throws an exception of type " \ 1137 #expected_exception ".\n Actual: it throws a different type."; \ 1138 goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \ 1139 } \ 1140 if (!gtest_caught_expected) { \ 1141 gtest_msg.value = \ 1142 "Expected: " #statement " throws an exception of type " \ 1143 #expected_exception ".\n Actual: it throws nothing."; \ 1144 goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \ 1145 } \ 1146 } else \ 1147 GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__): \ 1148 fail(gtest_msg.value) 1149 1150#define GTEST_TEST_NO_THROW_(statement, fail) \ 1151 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 1152 if (::testing::internal::AlwaysTrue()) { \ 1153 try { \ 1154 GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ 1155 } \ 1156 catch (...) { \ 1157 goto GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__); \ 1158 } \ 1159 } else \ 1160 GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__): \ 1161 fail("Expected: " #statement " doesn't throw an exception.\n" \ 1162 " Actual: it throws.") 1163 1164#define GTEST_TEST_ANY_THROW_(statement, fail) \ 1165 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 1166 if (::testing::internal::AlwaysTrue()) { \ 1167 bool gtest_caught_any = false; \ 1168 try { \ 1169 GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ 1170 } \ 1171 catch (...) { \ 1172 gtest_caught_any = true; \ 1173 } \ 1174 if (!gtest_caught_any) { \ 1175 goto GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__); \ 1176 } \ 1177 } else \ 1178 GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__): \ 1179 fail("Expected: " #statement " throws an exception.\n" \ 1180 " Actual: it doesn't.") 1181 1182 1183// Implements Boolean test assertions such as EXPECT_TRUE. expression can be 1184// either a boolean expression or an AssertionResult. text is a textual 1185// represenation of expression as it was passed into the EXPECT_TRUE. 1186#define GTEST_TEST_BOOLEAN_(expression, text, actual, expected, fail) \ 1187 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 1188 if (const ::testing::AssertionResult gtest_ar_ = \ 1189 ::testing::AssertionResult(expression)) \ 1190 ; \ 1191 else \ 1192 fail(::testing::internal::GetBoolAssertionFailureMessage(\ 1193 gtest_ar_, text, #actual, #expected).c_str()) 1194 1195#define GTEST_TEST_NO_FATAL_FAILURE_(statement, fail) \ 1196 GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ 1197 if (::testing::internal::AlwaysTrue()) { \ 1198 ::testing::internal::HasNewFatalFailureHelper gtest_fatal_failure_checker; \ 1199 GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ 1200 if (gtest_fatal_failure_checker.has_new_fatal_failure()) { \ 1201 goto GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__); \ 1202 } \ 1203 } else \ 1204 GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__): \ 1205 fail("Expected: " #statement " doesn't generate new fatal " \ 1206 "failures in the current thread.\n" \ 1207 " Actual: it does.") 1208 1209// Expands to the name of the class that implements the given test. 1210#define GTEST_TEST_CLASS_NAME_(test_case_name, test_name) \ 1211 test_case_name##_##test_name##_Test 1212 1213// Helper macro for defining tests. 1214#define GTEST_TEST_(test_case_name, test_name, parent_class, parent_id)\ 1215class GTEST_TEST_CLASS_NAME_(test_case_name, test_name) : public parent_class {\ 1216 public:\ 1217 GTEST_TEST_CLASS_NAME_(test_case_name, test_name)() {}\ 1218 private:\ 1219 virtual void TestBody();\ 1220 static ::testing::TestInfo* const test_info_ GTEST_ATTRIBUTE_UNUSED_;\ 1221 GTEST_DISALLOW_COPY_AND_ASSIGN_(\ 1222 GTEST_TEST_CLASS_NAME_(test_case_name, test_name));\ 1223};\ 1224\ 1225::testing::TestInfo* const GTEST_TEST_CLASS_NAME_(test_case_name, test_name)\ 1226 ::test_info_ =\ 1227 ::testing::internal::MakeAndRegisterTestInfo(\ 1228 #test_case_name, #test_name, NULL, NULL, \ 1229 ::testing::internal::CodeLocation(__FILE__, __LINE__), \ 1230 (parent_id), \ 1231 parent_class::SetUpTestCase, \ 1232 parent_class::TearDownTestCase, \ 1233 new ::testing::internal::TestFactoryImpl<\ 1234 GTEST_TEST_CLASS_NAME_(test_case_name, test_name)>);\ 1235void GTEST_TEST_CLASS_NAME_(test_case_name, test_name)::TestBody() 1236 1237#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_ 1238 1239