diff options
Diffstat (limited to 'utils/unittest/googletest/include/gtest/internal/gtest-internal.h')
| -rw-r--r-- | utils/unittest/googletest/include/gtest/internal/gtest-internal.h | 876 |
1 files changed, 876 insertions, 0 deletions
diff --git a/utils/unittest/googletest/include/gtest/internal/gtest-internal.h b/utils/unittest/googletest/include/gtest/internal/gtest-internal.h new file mode 100644 index 0000000000..37faaaebea --- /dev/null +++ b/utils/unittest/googletest/include/gtest/internal/gtest-internal.h @@ -0,0 +1,876 @@ +// Copyright 2005, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Authors: wan@google.com (Zhanyong Wan), eefacm@gmail.com (Sean Mcafee) +// +// The Google C++ Testing Framework (Google Test) +// +// This header file declares functions and macros used internally by +// Google Test. They are subject to change without notice. + +#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_ +#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_ + +#include <gtest/internal/gtest-port.h> + +#ifdef GTEST_OS_LINUX +#include <stdlib.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> +#endif // GTEST_OS_LINUX + +#include <ctype.h> +#include <string.h> +#include <iomanip> +#include <limits> +#include <set> + +#include <gtest/internal/gtest-string.h> +#include <gtest/internal/gtest-filepath.h> +#include <gtest/internal/gtest-type-util.h> + +// Due to C++ preprocessor weirdness, we need double indirection to +// concatenate two tokens when one of them is __LINE__. Writing +// +// foo ## __LINE__ +// +// will result in the token foo__LINE__, instead of foo followed by +// the current line number. For more details, see +// http://www.parashift.com/c++-faq-lite/misc-technical-issues.html#faq-39.6 +#define GTEST_CONCAT_TOKEN_(foo, bar) GTEST_CONCAT_TOKEN_IMPL_(foo, bar) +#define GTEST_CONCAT_TOKEN_IMPL_(foo, bar) foo ## bar + +// Google Test defines the testing::Message class to allow construction of +// test messages via the << operator. The idea is that anything +// streamable to std::ostream can be streamed to a testing::Message. +// This allows a user to use his own types in Google Test assertions by +// overloading the << operator. +// +// util/gtl/stl_logging-inl.h overloads << for STL containers. These +// overloads cannot be defined in the std namespace, as that will be +// undefined behavior. Therefore, they are defined in the global +// namespace instead. +// +// C++'s symbol lookup rule (i.e. Koenig lookup) says that these +// overloads are visible in either the std namespace or the global +// namespace, but not other namespaces, including the testing +// namespace which Google Test's Message class is in. +// +// To allow STL containers (and other types that has a << operator +// defined in the global namespace) to be used in Google Test assertions, +// testing::Message must access the custom << operator from the global +// namespace. Hence this helper function. +// +// Note: Jeffrey Yasskin suggested an alternative fix by "using +// ::operator<<;" in the definition of Message's operator<<. That fix +// doesn't require a helper function, but unfortunately doesn't +// compile with MSVC. +template <typename T> +inline void GTestStreamToHelper(std::ostream* os, const T& val) { + *os << val; +} + +namespace testing { + +// Forward declaration of classes. + +class Message; // Represents a failure message. +class Test; // Represents a test. +class TestCase; // A collection of related tests. +class TestPartResult; // Result of a test part. +class TestInfo; // Information about a test. +class UnitTest; // A collection of test cases. +class UnitTestEventListenerInterface; // Listens to Google Test events. +class AssertionResult; // Result of an assertion. + +namespace internal { + +struct TraceInfo; // Information about a trace point. +class ScopedTrace; // Implements scoped trace. +class TestInfoImpl; // Opaque implementation of TestInfo +class TestResult; // Result of a single Test. +class UnitTestImpl; // Opaque implementation of UnitTest + +template <typename E> class List; // A generic list. +template <typename E> class ListNode; // A node in a generic list. + +// How many times InitGoogleTest() has been called. +extern int g_init_gtest_count; + +// The text used in failure messages to indicate the start of the +// stack trace. +extern const char kStackTraceMarker[]; + +// A secret type that Google Test users don't know about. It has no +// definition on purpose. Therefore it's impossible to create a +// Secret object, which is what we want. +class Secret; + +// Two overloaded helpers for checking at compile time whether an +// expression is a null pointer literal (i.e. NULL or any 0-valued +// compile-time integral constant). Their return values have +// different sizes, so we can use sizeof() to test which version is +// picked by the compiler. These helpers have no implementations, as +// we only need their signatures. +// +// Given IsNullLiteralHelper(x), the compiler will pick the first +// version if x can be implicitly converted to Secret*, and pick the +// second version otherwise. Since Secret is a secret and incomplete +// type, the only expression a user can write that has type Secret* is +// a null pointer literal. Therefore, we know that x is a null +// pointer literal if and only if the first version is picked by the +// compiler. +char IsNullLiteralHelper(Secret* p); +char (&IsNullLiteralHelper(...))[2]; // NOLINT + +// A compile-time bool constant that is true if and only if x is a +// null pointer literal (i.e. NULL or any 0-valued compile-time +// integral constant). +#ifdef GTEST_ELLIPSIS_NEEDS_COPY_ +// Passing non-POD classes through ellipsis (...) crashes the ARM +// compiler. The Nokia Symbian and the IBM XL C/C++ compiler try to +// instantiate a copy constructor for objects passed through ellipsis +// (...), failing for uncopyable objects. Hence we define this to +// false (and lose support for NULL detection). +#define GTEST_IS_NULL_LITERAL_(x) false +#else +#define GTEST_IS_NULL_LITERAL_(x) \ + (sizeof(::testing::internal::IsNullLiteralHelper(x)) == 1) +#endif // GTEST_ELLIPSIS_NEEDS_COPY_ + +// Appends the user-supplied message to the Google-Test-generated message. +String AppendUserMessage(const String& gtest_msg, + const Message& user_msg); + +// A helper class for creating scoped traces in user programs. +class ScopedTrace { + public: + // The c'tor pushes the given source file location and message onto + // a trace stack maintained by Google Test. + ScopedTrace(const char* file, int line, const Message& message); + + // The d'tor pops the info pushed by the c'tor. + // + // Note that the d'tor is not virtual in order to be efficient. + // Don't inherit from ScopedTrace! + ~ScopedTrace(); + + private: + GTEST_DISALLOW_COPY_AND_ASSIGN_(ScopedTrace); +} GTEST_ATTRIBUTE_UNUSED_; // A ScopedTrace object does its job in its + // c'tor and d'tor. Therefore it doesn't + // need to be used otherwise. + +// Converts a streamable value to a String. A NULL pointer is +// converted to "(null)". When the input value is a ::string, +// ::std::string, ::wstring, or ::std::wstring object, each NUL +// character in it is replaced with "\\0". +// Declared here but defined in gtest.h, so that it has access +// to the definition of the Message class, required by the ARM +// compiler. +template <typename T> +String StreamableToString(const T& streamable); + +// Formats a value to be used in a failure message. + +#ifdef GTEST_NEEDS_IS_POINTER_ + +// These are needed as the Nokia Symbian and IBM XL C/C++ compilers +// cannot decide between const T& and const T* in a function template. +// These compilers _can_ decide between class template specializations +// for T and T*, so a tr1::type_traits-like is_pointer works, and we +// can overload on that. + +// This overload makes sure that all pointers (including +// those to char or wchar_t) are printed as raw pointers. +template <typename T> +inline String FormatValueForFailureMessage(internal::true_type dummy, + T* pointer) { + return StreamableToString(static_cast<const void*>(pointer)); +} + +template <typename T> +inline String FormatValueForFailureMessage(internal::false_type dummy, + const T& value) { + return StreamableToString(value); +} + +template <typename T> +inline String FormatForFailureMessage(const T& value) { + return FormatValueForFailureMessage( + typename internal::is_pointer<T>::type(), value); +} + +#else + +// These are needed as the above solution using is_pointer has the +// limitation that T cannot be a type without external linkage, when +// compiled using MSVC. + +template <typename T> +inline String FormatForFailureMessage(const T& value) { + return StreamableToString(value); +} + +// This overload makes sure that all pointers (including +// those to char or wchar_t) are printed as raw pointers. +template <typename T> +inline String FormatForFailureMessage(T* pointer) { + return StreamableToString(static_cast<const void*>(pointer)); +} + +#endif // GTEST_NEEDS_IS_POINTER_ + +// These overloaded versions handle narrow and wide characters. +String FormatForFailureMessage(char ch); +String FormatForFailureMessage(wchar_t wchar); + +// When this operand is a const char* or char*, and the other operand +// is a ::std::string or ::string, we print this operand as a C string +// rather than a pointer. We do the same for wide strings. + +// This internal macro is used to avoid duplicated code. +#define GTEST_FORMAT_IMPL_(operand2_type, operand1_printer)\ +inline String FormatForComparisonFailureMessage(\ + operand2_type::value_type* str, const operand2_type& /*operand2*/) {\ + return operand1_printer(str);\ +}\ +inline String FormatForComparisonFailureMessage(\ + const operand2_type::value_type* str, const operand2_type& /*operand2*/) {\ + return operand1_printer(str);\ +} + +#if GTEST_HAS_STD_STRING +GTEST_FORMAT_IMPL_(::std::string, String::ShowCStringQuoted) +#endif // GTEST_HAS_STD_STRING +#if GTEST_HAS_STD_WSTRING +GTEST_FORMAT_IMPL_(::std::wstring, String::ShowWideCStringQuoted) +#endif // GTEST_HAS_STD_WSTRING + +#if GTEST_HAS_GLOBAL_STRING +GTEST_FORMAT_IMPL_(::string, String::ShowCStringQuoted) +#endif // GTEST_HAS_GLOBAL_STRING +#if GTEST_HAS_GLOBAL_WSTRING +GTEST_FORMAT_IMPL_(::wstring, String::ShowWideCStringQuoted) +#endif // GTEST_HAS_GLOBAL_WSTRING + +#undef GTEST_FORMAT_IMPL_ + +// Constructs and returns the message for an equality assertion +// (e.g. ASSERT_EQ, EXPECT_STREQ, etc) failure. +// +// The first four parameters are the expressions used in the assertion +// and their values, as strings. For example, for ASSERT_EQ(foo, bar) +// where foo is 5 and bar is 6, we have: +// +// expected_expression: "foo" +// actual_expression: "bar" +// expected_value: "5" +// actual_value: "6" +// +// The ignoring_case parameter is true iff the assertion is a +// *_STRCASEEQ*. When it's true, the string " (ignoring case)" will +// be inserted into the message. +AssertionResult EqFailure(const char* expected_expression, + const char* actual_expression, + const String& expected_value, + const String& actual_value, + bool ignoring_case); + + +// This template class represents an IEEE floating-point number +// (either single-precision or double-precision, depending on the +// template parameters). +// +// The purpose of this class is to do more sophisticated number +// comparison. (Due to round-off error, etc, it's very unlikely that +// two floating-points will be equal exactly. Hence a naive +// comparison by the == operation often doesn't work.) +// +// Format of IEEE floating-point: +// +// The most-significant bit being the leftmost, an IEEE +// floating-point looks like +// +// sign_bit exponent_bits fraction_bits +// +// Here, sign_bit is a single bit that designates the sign of the +// number. +// +// For float, there are 8 exponent bits and 23 fraction bits. +// +// For double, there are 11 exponent bits and 52 fraction bits. +// +// More details can be found at +// http://en.wikipedia.org/wiki/IEEE_floating-point_standard. +// +// Template parameter: +// +// RawType: the raw floating-point type (either float or double) +template <typename RawType> +class FloatingPoint { + public: + // Defines the unsigned integer type that has the same size as the + // floating point number. + typedef typename TypeWithSize<sizeof(RawType)>::UInt Bits; + + // Constants. + + // # of bits in a number. + static const size_t kBitCount = 8*sizeof(RawType); + + // # of fraction bits in a number. + static const size_t kFractionBitCount = + std::numeric_limits<RawType>::digits - 1; + + // # of exponent bits in a number. + static const size_t kExponentBitCount = kBitCount - 1 - kFractionBitCount; + + // The mask for the sign bit. + static const Bits kSignBitMask = static_cast<Bits>(1) << (kBitCount - 1); + + // The mask for the fraction bits. + static const Bits kFractionBitMask = + ~static_cast<Bits>(0) >> (kExponentBitCount + 1); + + // The mask for the exponent bits. + static const Bits kExponentBitMask = ~(kSignBitMask | kFractionBitMask); + + // How many ULP's (Units in the Last Place) we want to tolerate when + // comparing two numbers. The larger the value, the more error we + // allow. A 0 value means that two numbers must be exactly the same + // to be considered equal. + // + // The maximum error of a single floating-point operation is 0.5 + // units in the last place. On Intel CPU's, all floating-point + // calculations are done with 80-bit precision, while double has 64 + // bits. Therefore, 4 should be enough for ordinary use. + // + // See the following article for more details on ULP: + // http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm. + static const size_t kMaxUlps = 4; + + // Constructs a FloatingPoint from a raw floating-point number. + // + // On an Intel CPU, passing a non-normalized NAN (Not a Number) + // around may change its bits, although the new value is guaranteed + // to be also a NAN. Therefore, don't expect this constructor to + // preserve the bits in x when x is a NAN. + explicit FloatingPoint(const RawType& x) : value_(x) {} + + // Static methods + + // Reinterprets a bit pattern as a floating-point number. + // + // This function is needed to test the AlmostEquals() method. + static RawType ReinterpretBits(const Bits bits) { + FloatingPoint fp(0); + fp.bits_ = bits; + return fp.value_; + } + + // Returns the floating-point number that represent positive infinity. + static RawType Infinity() { + return ReinterpretBits(kExponentBitMask); + } + + // Non-static methods + + // Returns the bits that represents this number. + const Bits &bits() const { return bits_; } + + // Returns the exponent bits of this number. + Bits exponent_bits() const { return kExponentBitMask & bits_; } + + // Returns the fraction bits of this number. + Bits fraction_bits() const { return kFractionBitMask & bits_; } + + // Returns the sign bit of this number. + Bits sign_bit() const { return kSignBitMask & bits_; } + + // Returns true iff this is NAN (not a number). + bool is_nan() const { + // It's a NAN if the exponent bits are all ones and the fraction + // bits are not entirely zeros. + return (exponent_bits() == kExponentBitMask) && (fraction_bits() != 0); + } + + // Returns true iff this number is at most kMaxUlps ULP's away from + // rhs. In particular, this function: + // + // - returns false if either number is (or both are) NAN. + // - treats really large numbers as almost equal to infinity. + // - thinks +0.0 and -0.0 are 0 DLP's apart. + bool AlmostEquals(const FloatingPoint& rhs) const { + // The IEEE standard says that any comparison operation involving + // a NAN must return false. + if (is_nan() || rhs.is_nan()) return false; + + return DistanceBetweenSignAndMagnitudeNumbers(bits_, rhs.bits_) <= kMaxUlps; + } + + private: + // Converts an integer from the sign-and-magnitude representation to + // the biased representation. More precisely, let N be 2 to the + // power of (kBitCount - 1), an integer x is represented by the + // unsigned number x + N. + // + // For instance, + // + // -N + 1 (the most negative number representable using + // sign-and-magnitude) is represented by 1; + // 0 is represented by N; and + // N - 1 (the biggest number representable using + // sign-and-magnitude) is represented by 2N - 1. + // + // Read http://en.wikipedia.org/wiki/Signed_number_representations + // for more details on signed number representations. + static Bits SignAndMagnitudeToBiased(const Bits &sam) { + if (kSignBitMask & sam) { + // sam represents a negative number. + return ~sam + 1; + } else { + // sam represents a positive number. + return kSignBitMask | sam; + } + } + + // Given two numbers in the sign-and-magnitude representation, + // returns the distance between them as an unsigned number. + static Bits DistanceBetweenSignAndMagnitudeNumbers(const Bits &sam1, + const Bits &sam2) { + const Bits biased1 = SignAndMagnitudeToBiased(sam1); + const Bits biased2 = SignAndMagnitudeToBiased(sam2); + return (biased1 >= biased2) ? (biased1 - biased2) : (biased2 - biased1); + } + + union { + RawType value_; // The raw floating-point number. + Bits bits_; // The bits that represent the number. + }; +}; + +// Typedefs the instances of the FloatingPoint template class that we +// care to use. +typedef FloatingPoint<float> Float; +typedef FloatingPoint<double> Double; + +// In order to catch the mistake of putting tests that use different +// test fixture classes in the same test case, we need to assign +// unique IDs to fixture classes and compare them. The TypeId type is +// used to hold such IDs. The user should treat TypeId as an opaque +// type: the only operation allowed on TypeId values is to compare +// them for equality using the == operator. +typedef const void* TypeId; + +template <typename T> +class TypeIdHelper { + public: + // dummy_ must not have a const type. Otherwise an overly eager + // compiler (e.g. MSVC 7.1 & 8.0) may try to merge + // TypeIdHelper<T>::dummy_ for different Ts as an "optimization". + static bool dummy_; +}; + +template <typename T> +bool TypeIdHelper<T>::dummy_ = false; + +// GetTypeId<T>() returns the ID of type T. Different values will be +// returned for different types. Calling the function twice with the +// same type argument is guaranteed to return the same ID. +template <typename T> +TypeId GetTypeId() { + // The compiler is required to allocate a different + // TypeIdHelper<T>::dummy_ variable for each T used to instantiate + // the template. Therefore, the address of dummy_ is guaranteed to + // be unique. + return &(TypeIdHelper<T>::dummy_); +} + +// Returns the type ID of ::testing::Test. Always call this instead +// of GetTypeId< ::testing::Test>() to get the type ID of +// ::testing::Test, as the latter may give the wrong result due to a +// suspected linker bug when compiling Google Test as a Mac OS X +// framework. +TypeId GetTestTypeId(); + +// Defines the abstract factory interface that creates instances +// of a Test object. +class TestFactoryBase { + public: + virtual ~TestFactoryBase() {} + + // Creates a test instance to run. The instance is both created and destroyed + // within TestInfoImpl::Run() + virtual Test* CreateTest() = 0; + + protected: + TestFactoryBase() {} + + private: + GTEST_DISALLOW_COPY_AND_ASSIGN_(TestFactoryBase); +}; + +// This class provides implementation of TeastFactoryBase interface. +// It is used in TEST and TEST_F macros. +template <class TestClass> +class TestFactoryImpl : public TestFactoryBase { + public: + virtual Test* CreateTest() { return new TestClass; } +}; + +#ifdef GTEST_OS_WINDOWS + +// Predicate-formatters for implementing the HRESULT checking macros +// {ASSERT|EXPECT}_HRESULT_{SUCCEEDED|FAILED} +// We pass a long instead of HRESULT to avoid causing an +// include dependency for the HRESULT type. +AssertionResult IsHRESULTSuccess(const char* expr, long hr); // NOLINT +AssertionResult IsHRESULTFailure(const char* expr, long hr); // NOLINT + +#endif // GTEST_OS_WINDOWS + +// Formats a source file path and a line number as they would appear +// in a compiler error message. +inline String FormatFileLocation(const char* file, int line) { + const char* const file_name = file == NULL ? "unknown file" : file; + if (line < 0) { + return String::Format("%s:", file_name); + } +#ifdef _MSC_VER + return String::Format("%s(%d):", file_name, line); +#else + return String::Format("%s:%d:", file_name, line); +#endif // _MSC_VER +} + +// Types of SetUpTestCase() and TearDownTestCase() functions. +typedef void (*SetUpTestCaseFunc)(); +typedef void (*TearDownTestCaseFunc)(); + +// Creates a new TestInfo object and registers it with Google Test; +// returns the created object. +// +// Arguments: +// +// test_case_name: name of the test case +// name: name of the test +// test_case_comment: a comment on the test case that will be included in +// the test output +// comment: a comment on the test that will be included in the +// test output +// fixture_class_id: ID of the test fixture class +// set_up_tc: pointer to the function that sets up the test case +// tear_down_tc: pointer to the function that tears down the test case +// factory: pointer to the factory that creates a test object. +// The newly created TestInfo instance will assume +// ownership of the factory object. +TestInfo* MakeAndRegisterTestInfo( + const char* test_case_name, const char* name, + const char* test_case_comment, const char* comment, + TypeId fixture_class_id, + SetUpTestCaseFunc set_up_tc, + TearDownTestCaseFunc tear_down_tc, + TestFactoryBase* factory); + +#if defined(GTEST_HAS_TYPED_TEST) || defined(GTEST_HAS_TYPED_TEST_P) + +// State of the definition of a type-parameterized test case. +class TypedTestCasePState { + public: + TypedTestCasePState() : registered_(false) {} + + // Adds the given test name to defined_test_names_ and return true + // if the test case hasn't been registered; otherwise aborts the + // program. + bool AddTestName(const char* file, int line, const char* case_name, + const char* test_name) { + if (registered_) { + fprintf(stderr, "%s Test %s must be defined before " + "REGISTER_TYPED_TEST_CASE_P(%s, ...).\n", + FormatFileLocation(file, line).c_str(), test_name, case_name); + abort(); + } + defined_test_names_.insert(test_name); + return true; + } + + // Verifies that registered_tests match the test names in + // defined_test_names_; returns registered_tests if successful, or + // aborts the program otherwise. + const char* VerifyRegisteredTestNames( + const char* file, int line, const char* registered_tests); + + private: + bool registered_; + ::std::set<const char*> defined_test_names_; +}; + +// Skips to the first non-space char after the first comma in 'str'; +// returns NULL if no comma is found in 'str'. +inline const char* SkipComma(const char* str) { + const char* comma = strchr(str, ','); + if (comma == NULL) { + return NULL; + } + while (isspace(*(++comma))) {} + return comma; +} + +// Returns the prefix of 'str' before the first comma in it; returns +// the entire string if it contains no comma. +inline String GetPrefixUntilComma(const char* str) { + const char* comma = strchr(str, ','); + return comma == NULL ? String(str) : String(str, comma - str); +} + +// TypeParameterizedTest<Fixture, TestSel, Types>::Register() +// registers a list of type-parameterized tests with Google Test. The +// return value is insignificant - we just need to return something +// such that we can call this function in a namespace scope. +// +// Implementation note: The GTEST_TEMPLATE_ macro declares a template +// template parameter. It's defined in gtest-type-util.h. +template <GTEST_TEMPLATE_ Fixture, class TestSel, typename Types> +class TypeParameterizedTest { + public: + // 'index' is the index of the test in the type list 'Types' + // specified in INSTANTIATE_TYPED_TEST_CASE_P(Prefix, TestCase, + // Types). Valid values for 'index' are [0, N - 1] where N is the + // length of Types. + static bool Register(const char* prefix, const char* case_name, + const char* test_names, int index) { + typedef typename Types::Head Type; + typedef Fixture<Type> FixtureClass; + typedef typename GTEST_BIND_(TestSel, Type) TestClass; + + // First, registers the first type-parameterized test in the type + // list. + MakeAndRegisterTestInfo( + String::Format("%s%s%s/%d", prefix, prefix[0] == '\0' ? "" : "/", + case_name, index).c_str(), + GetPrefixUntilComma(test_names).c_str(), + String::Format("TypeParam = %s", GetTypeName<Type>().c_str()).c_str(), + "", + GetTypeId<FixtureClass>(), + TestClass::SetUpTestCase, + TestClass::TearDownTestCase, + new TestFactoryImpl<TestClass>); + + // Next, recurses (at compile time) with the tail of the type list. + return TypeParameterizedTest<Fixture, TestSel, typename Types::Tail> + ::Register(prefix, case_name, test_names, index + 1); + } +}; + +// The base case for the compile time recursion. +template <GTEST_TEMPLATE_ Fixture, class TestSel> +class TypeParameterizedTest<Fixture, TestSel, Types0> { + public: + static bool Register(const char* /*prefix*/, const char* /*case_name*/, + const char* /*test_names*/, int /*index*/) { + return true; + } +}; + +// TypeParameterizedTestCase<Fixture, Tests, Types>::Register() +// registers *all combinations* of 'Tests' and 'Types' with Google +// Test. The return value is insignificant - we just need to return +// something such that we can call this function in a namespace scope. +template <GTEST_TEMPLATE_ Fixture, typename Tests, typename Types> +class TypeParameterizedTestCase { + public: + static bool Register(const char* prefix, const char* case_name, + const char* test_names) { + typedef typename Tests::Head Head; + + // First, register the first test in 'Test' for each type in 'Types'. + TypeParameterizedTest<Fixture, Head, Types>::Register( + prefix, case_name, test_names, 0); + + // Next, recurses (at compile time) with the tail of the test list. + return TypeParameterizedTestCase<Fixture, typename Tests::Tail, Types> + ::Register(prefix, case_name, SkipComma(test_names)); + } +}; + +// The base case for the compile time recursion. +template <GTEST_TEMPLATE_ Fixture, typename Types> +class TypeParameterizedTestCase<Fixture, Templates0, Types> { + public: + static bool Register(const char* prefix, const char* case_name, + const char* test_names) { + return true; + } +}; + +#endif // GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P + +// Returns the current OS stack trace as a String. +// +// The maximum number of stack frames to be included is specified by +// the gtest_stack_trace_depth flag. The skip_count parameter +// specifies the number of top frames to be skipped, which doesn't +// count against the number of frames to be included. +// +// For example, if Foo() calls Bar(), which in turn calls +// GetCurrentOsStackTraceExceptTop(..., 1), Foo() will be included in +// the trace but Bar() and GetCurrentOsStackTraceExceptTop() won't. +String GetCurrentOsStackTraceExceptTop(UnitTest* unit_test, int skip_count); + +// Returns the number of failed test parts in the given test result object. +int GetFailedPartCount(const TestResult* result); + +} // namespace internal +} // namespace testing + +#define GTEST_MESSAGE_(message, result_type) \ + ::testing::internal::AssertHelper(result_type, __FILE__, __LINE__, message) \ + = ::testing::Message() + +#define GTEST_FATAL_FAILURE_(message) \ + return GTEST_MESSAGE_(message, ::testing::TPRT_FATAL_FAILURE) + +#define GTEST_NONFATAL_FAILURE_(message) \ + GTEST_MESSAGE_(message, ::testing::TPRT_NONFATAL_FAILURE) + +#define GTEST_SUCCESS_(message) \ + GTEST_MESSAGE_(message, ::testing::TPRT_SUCCESS) + +#define GTEST_TEST_THROW_(statement, expected_exception, fail) \ + GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ + if (const char* gtest_msg = "") { \ + bool gtest_caught_expected = false; \ + try { \ + statement; \ + } \ + catch (expected_exception const&) { \ + gtest_caught_expected = true; \ + } \ + catch (...) { \ + gtest_msg = "Expected: " #statement " throws an exception of type " \ + #expected_exception ".\n Actual: it throws a different " \ + "type."; \ + goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \ + } \ + if (!gtest_caught_expected) { \ + gtest_msg = "Expected: " #statement " throws an exception of type " \ + #expected_exception ".\n Actual: it throws nothing."; \ + goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \ + } \ + } else \ + GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__): \ + fail(gtest_msg) + +#define GTEST_TEST_NO_THROW_(statement, fail) \ + GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ + if (const char* gtest_msg = "") { \ + try { \ + statement; \ + } \ + catch (...) { \ + gtest_msg = "Expected: " #statement " doesn't throw an exception.\n" \ + " Actual: it throws."; \ + goto GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__); \ + } \ + } else \ + GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__): \ + fail(gtest_msg) + +#define GTEST_TEST_ANY_THROW_(statement, fail) \ + GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ + if (const char* gtest_msg = "") { \ + bool gtest_caught_any = false; \ + try { \ + statement; \ + } \ + catch (...) { \ + gtest_caught_any = true; \ + } \ + if (!gtest_caught_any) { \ + gtest_msg = "Expected: " #statement " throws an exception.\n" \ + " Actual: it doesn't."; \ + goto GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__); \ + } \ + } else \ + GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__): \ + fail(gtest_msg) + + +#define GTEST_TEST_BOOLEAN_(boolexpr, booltext, actual, expected, fail) \ + GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ + if (boolexpr) \ + ; \ + else \ + fail("Value of: " booltext "\n Actual: " #actual "\nExpected: " #expected) + +#define GTEST_TEST_NO_FATAL_FAILURE_(statement, fail) \ + GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ + if (const char* gtest_msg = "") { \ + ::testing::internal::HasNewFatalFailureHelper gtest_fatal_failure_checker; \ + { statement; } \ + if (gtest_fatal_failure_checker.has_new_fatal_failure()) { \ + gtest_msg = "Expected: " #statement " doesn't generate new fatal " \ + "failures in the current thread.\n" \ + " Actual: it does."; \ + goto GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__); \ + } \ + } else \ + GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__): \ + fail(gtest_msg) + +// Expands to the name of the class that implements the given test. +#define GTEST_TEST_CLASS_NAME_(test_case_name, test_name) \ + test_case_name##_##test_name##_Test + +// Helper macro for defining tests. +#define GTEST_TEST_(test_case_name, test_name, parent_class, parent_id)\ +class GTEST_TEST_CLASS_NAME_(test_case_name, test_name) : public parent_class {\ + public:\ + GTEST_TEST_CLASS_NAME_(test_case_name, test_name)() {}\ + private:\ + virtual void TestBody();\ + static ::testing::TestInfo* const test_info_;\ + GTEST_DISALLOW_COPY_AND_ASSIGN_(\ + GTEST_TEST_CLASS_NAME_(test_case_name, test_name));\ +};\ +\ +::testing::TestInfo* const GTEST_TEST_CLASS_NAME_(test_case_name, test_name)\ + ::test_info_ =\ + ::testing::internal::MakeAndRegisterTestInfo(\ + #test_case_name, #test_name, "", "", \ + (parent_id), \ + parent_class::SetUpTestCase, \ + parent_class::TearDownTestCase, \ + new ::testing::internal::TestFactoryImpl<\ + GTEST_TEST_CLASS_NAME_(test_case_name, test_name)>);\ +void GTEST_TEST_CLASS_NAME_(test_case_name, test_name)::TestBody() + +#endif // GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_ |