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- // 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.
- //
- // The Google C++ Testing and Mocking Framework (Google Test)
- //
- // This header file declares functions and macros used internally by
- // Google Test. They are subject to change without notice.
- // GOOGLETEST_CM0001 DO NOT DELETE
- #ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_
- #define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_INTERNAL_H_
- #include "gtest/internal/gtest-port.h"
- #if GTEST_OS_LINUX
- # include <stdlib.h>
- # include <sys/types.h>
- # include <sys/wait.h>
- # include <unistd.h>
- #endif // GTEST_OS_LINUX
- #if GTEST_HAS_EXCEPTIONS
- # include <stdexcept>
- #endif
- #include <ctype.h>
- #include <float.h>
- #include <string.h>
- #include <iomanip>
- #include <limits>
- #include <map>
- #include <set>
- #include <string>
- #include <vector>
- #include "gtest/gtest-message.h"
- #include "gtest/internal/gtest-filepath.h"
- #include "gtest/internal/gtest-string.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
- // Stringifies its argument.
- #define GTEST_STRINGIFY_(name) #name
- class ProtocolMessage;
- namespace proto2 { class Message; }
- namespace testing {
- // Forward declarations.
- class AssertionResult; // Result of an assertion.
- class Message; // Represents a failure message.
- class Test; // Represents a test.
- class TestInfo; // Information about a test.
- class TestPartResult; // Result of a test part.
- class UnitTest; // A collection of test cases.
- template <typename T>
- ::std::string PrintToString(const T& value);
- namespace internal {
- struct TraceInfo; // Information about a trace point.
- class TestInfoImpl; // Opaque implementation of TestInfo
- class UnitTestImpl; // Opaque implementation of UnitTest
- // The text used in failure messages to indicate the start of the
- // stack trace.
- GTEST_API_ extern const char kStackTraceMarker[];
- // 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_POD_
- // We lose support for NULL detection where the compiler doesn't like
- // passing non-POD classes through ellipsis (...).
- # define GTEST_IS_NULL_LITERAL_(x) false
- #else
- # define GTEST_IS_NULL_LITERAL_(x) \
- (sizeof(::testing::internal::IsNullLiteralHelper(x)) == 1)
- #endif // GTEST_ELLIPSIS_NEEDS_POD_
- // Appends the user-supplied message to the Google-Test-generated message.
- GTEST_API_ std::string AppendUserMessage(
- const std::string& gtest_msg, const Message& user_msg);
- #if GTEST_HAS_EXCEPTIONS
- GTEST_DISABLE_MSC_WARNINGS_PUSH_(4275 \
- /* an exported class was derived from a class that was not exported */)
- // This exception is thrown by (and only by) a failed Google Test
- // assertion when GTEST_FLAG(throw_on_failure) is true (if exceptions
- // are enabled). We derive it from std::runtime_error, which is for
- // errors presumably detectable only at run time. Since
- // std::runtime_error inherits from std::exception, many testing
- // frameworks know how to extract and print the message inside it.
- class GTEST_API_ GoogleTestFailureException : public ::std::runtime_error {
- public:
- explicit GoogleTestFailureException(const TestPartResult& failure);
- };
- GTEST_DISABLE_MSC_WARNINGS_POP_() // 4275
- #endif // GTEST_HAS_EXCEPTIONS
- namespace edit_distance {
- // Returns the optimal edits to go from 'left' to 'right'.
- // All edits cost the same, with replace having lower priority than
- // add/remove.
- // Simple implementation of the Wagner-Fischer algorithm.
- // See http://en.wikipedia.org/wiki/Wagner-Fischer_algorithm
- enum EditType { kMatch, kAdd, kRemove, kReplace };
- GTEST_API_ std::vector<EditType> CalculateOptimalEdits(
- const std::vector<size_t>& left, const std::vector<size_t>& right);
- // Same as above, but the input is represented as strings.
- GTEST_API_ std::vector<EditType> CalculateOptimalEdits(
- const std::vector<std::string>& left,
- const std::vector<std::string>& right);
- // Create a diff of the input strings in Unified diff format.
- GTEST_API_ std::string CreateUnifiedDiff(const std::vector<std::string>& left,
- const std::vector<std::string>& right,
- size_t context = 2);
- } // namespace edit_distance
- // Calculate the diff between 'left' and 'right' and return it in unified diff
- // format.
- // If not null, stores in 'total_line_count' the total number of lines found
- // in left + right.
- GTEST_API_ std::string DiffStrings(const std::string& left,
- const std::string& right,
- size_t* total_line_count);
- // 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.
- GTEST_API_ AssertionResult EqFailure(const char* expected_expression,
- const char* actual_expression,
- const std::string& expected_value,
- const std::string& actual_value,
- bool ignoring_case);
- // Constructs a failure message for Boolean assertions such as EXPECT_TRUE.
- GTEST_API_ std::string GetBoolAssertionFailureMessage(
- const AssertionResult& assertion_result,
- const char* expression_text,
- const char* actual_predicate_value,
- const char* expected_predicate_value);
- // 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://randomascii.wordpress.com/2012/02/25/comparing-floating-point-numbers-2012-edition/
- 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) { u_.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.u_.bits_ = bits;
- return fp.u_.value_;
- }
- // Returns the floating-point number that represent positive infinity.
- static RawType Infinity() {
- return ReinterpretBits(kExponentBitMask);
- }
- // Returns the maximum representable finite floating-point number.
- static RawType Max();
- // Non-static methods
- // Returns the bits that represents this number.
- const Bits &bits() const { return u_.bits_; }
- // Returns the exponent bits of this number.
- Bits exponent_bits() const { return kExponentBitMask & u_.bits_; }
- // Returns the fraction bits of this number.
- Bits fraction_bits() const { return kFractionBitMask & u_.bits_; }
- // Returns the sign bit of this number.
- Bits sign_bit() const { return kSignBitMask & u_.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(u_.bits_, rhs.u_.bits_)
- <= kMaxUlps;
- }
- private:
- // The data type used to store the actual floating-point number.
- union FloatingPointUnion {
- RawType value_; // The raw floating-point number.
- Bits bits_; // The bits that represent the number.
- };
- // 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);
- }
- FloatingPointUnion u_;
- };
- // We cannot use std::numeric_limits<T>::max() as it clashes with the max()
- // macro defined by <windows.h>.
- template <>
- inline float FloatingPoint<float>::Max() { return FLT_MAX; }
- template <>
- inline double FloatingPoint<double>::Max() { return DBL_MAX; }
- // 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.
- GTEST_API_ 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; }
- };
- #if 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.
- GTEST_API_ AssertionResult IsHRESULTSuccess(const char* expr,
- long hr); // NOLINT
- GTEST_API_ AssertionResult IsHRESULTFailure(const char* expr,
- long hr); // NOLINT
- #endif // GTEST_OS_WINDOWS
- // Types of SetUpTestCase() and TearDownTestCase() functions.
- typedef void (*SetUpTestCaseFunc)();
- typedef void (*TearDownTestCaseFunc)();
- struct CodeLocation {
- CodeLocation(const std::string& a_file, int a_line)
- : file(a_file), line(a_line) {}
- std::string file;
- int line;
- };
- // 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
- // type_param the name of the test's type parameter, or NULL if
- // this is not a typed or a type-parameterized test.
- // value_param text representation of the test's value parameter,
- // or NULL if this is not a type-parameterized test.
- // code_location: code location where the test is defined
- // 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.
- GTEST_API_ TestInfo* MakeAndRegisterTestInfo(
- const char* test_case_name,
- const char* name,
- const char* type_param,
- const char* value_param,
- CodeLocation code_location,
- TypeId fixture_class_id,
- SetUpTestCaseFunc set_up_tc,
- TearDownTestCaseFunc tear_down_tc,
- TestFactoryBase* factory);
- // If *pstr starts with the given prefix, modifies *pstr to be right
- // past the prefix and returns true; otherwise leaves *pstr unchanged
- // and returns false. None of pstr, *pstr, and prefix can be NULL.
- GTEST_API_ bool SkipPrefix(const char* prefix, const char** pstr);
- #if GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P
- GTEST_DISABLE_MSC_WARNINGS_PUSH_(4251 \
- /* class A needs to have dll-interface to be used by clients of class B */)
- // State of the definition of a type-parameterized test case.
- class GTEST_API_ 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);
- fflush(stderr);
- posix::Abort();
- }
- registered_tests_.insert(
- ::std::make_pair(test_name, CodeLocation(file, line)));
- return true;
- }
- bool TestExists(const std::string& test_name) const {
- return registered_tests_.count(test_name) > 0;
- }
- const CodeLocation& GetCodeLocation(const std::string& test_name) const {
- RegisteredTestsMap::const_iterator it = registered_tests_.find(test_name);
- GTEST_CHECK_(it != registered_tests_.end());
- return it->second;
- }
- // 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:
- typedef ::std::map<std::string, CodeLocation> RegisteredTestsMap;
- bool registered_;
- RegisteredTestsMap registered_tests_;
- };
- GTEST_DISABLE_MSC_WARNINGS_POP_() // 4251
- // 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 std::string GetPrefixUntilComma(const char* str) {
- const char* comma = strchr(str, ',');
- return comma == NULL ? str : std::string(str, comma);
- }
- // Splits a given string on a given delimiter, populating a given
- // vector with the fields.
- void SplitString(const ::std::string& str, char delimiter,
- ::std::vector< ::std::string>* dest);
- // The default argument to the template below for the case when the user does
- // not provide a name generator.
- struct DefaultNameGenerator {
- template <typename T>
- static std::string GetName(int i) {
- return StreamableToString(i);
- }
- };
- template <typename Provided = DefaultNameGenerator>
- struct NameGeneratorSelector {
- typedef Provided type;
- };
- template <typename NameGenerator>
- void GenerateNamesRecursively(Types0, std::vector<std::string>*, int) {}
- template <typename NameGenerator, typename Types>
- void GenerateNamesRecursively(Types, std::vector<std::string>* result, int i) {
- result->push_back(NameGenerator::template GetName<typename Types::Head>(i));
- GenerateNamesRecursively<NameGenerator>(typename Types::Tail(), result,
- i + 1);
- }
- template <typename NameGenerator, typename Types>
- std::vector<std::string> GenerateNames() {
- std::vector<std::string> result;
- GenerateNamesRecursively<NameGenerator>(Types(), &result, 0);
- return result;
- }
- // 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 CodeLocation& code_location,
- const char* case_name, const char* test_names, int index,
- const std::vector<std::string>& type_names =
- GenerateNames<DefaultNameGenerator, Types>()) {
- 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(
- (std::string(prefix) + (prefix[0] == '\0' ? "" : "/") + case_name +
- "/" + type_names[index])
- .c_str(),
- StripTrailingSpaces(GetPrefixUntilComma(test_names)).c_str(),
- GetTypeName<Type>().c_str(),
- NULL, // No value parameter.
- code_location, 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,
- code_location,
- case_name,
- test_names,
- index + 1,
- type_names);
- }
- };
- // 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 CodeLocation&,
- const char* /*case_name*/, const char* /*test_names*/,
- int /*index*/,
- const std::vector<std::string>& =
- std::vector<std::string>() /*type_names*/) {
- 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, CodeLocation code_location,
- const TypedTestCasePState* state, const char* case_name,
- const char* test_names,
- const std::vector<std::string>& type_names =
- GenerateNames<DefaultNameGenerator, Types>()) {
- std::string test_name = StripTrailingSpaces(
- GetPrefixUntilComma(test_names));
- if (!state->TestExists(test_name)) {
- fprintf(stderr, "Failed to get code location for test %s.%s at %s.",
- case_name, test_name.c_str(),
- FormatFileLocation(code_location.file.c_str(),
- code_location.line).c_str());
- fflush(stderr);
- posix::Abort();
- }
- const CodeLocation& test_location = state->GetCodeLocation(test_name);
- typedef typename Tests::Head Head;
- // First, register the first test in 'Test' for each type in 'Types'.
- TypeParameterizedTest<Fixture, Head, Types>::Register(
- prefix, test_location, case_name, test_names, 0, type_names);
- // Next, recurses (at compile time) with the tail of the test list.
- return TypeParameterizedTestCase<Fixture, typename Tests::Tail,
- Types>::Register(prefix, code_location,
- state, case_name,
- SkipComma(test_names),
- type_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 CodeLocation&,
- const TypedTestCasePState* /*state*/,
- const char* /*case_name*/, const char* /*test_names*/,
- const std::vector<std::string>& =
- std::vector<std::string>() /*type_names*/) {
- return true;
- }
- };
- #endif // GTEST_HAS_TYPED_TEST || GTEST_HAS_TYPED_TEST_P
- // Returns the current OS stack trace as an std::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.
- GTEST_API_ std::string GetCurrentOsStackTraceExceptTop(
- UnitTest* unit_test, int skip_count);
- // Helpers for suppressing warnings on unreachable code or constant
- // condition.
- // Always returns true.
- GTEST_API_ bool AlwaysTrue();
- // Always returns false.
- inline bool AlwaysFalse() { return !AlwaysTrue(); }
- // Helper for suppressing false warning from Clang on a const char*
- // variable declared in a conditional expression always being NULL in
- // the else branch.
- struct GTEST_API_ ConstCharPtr {
- ConstCharPtr(const char* str) : value(str) {}
- operator bool() const { return true; }
- const char* value;
- };
- // A simple Linear Congruential Generator for generating random
- // numbers with a uniform distribution. Unlike rand() and srand(), it
- // doesn't use global state (and therefore can't interfere with user
- // code). Unlike rand_r(), it's portable. An LCG isn't very random,
- // but it's good enough for our purposes.
- class GTEST_API_ Random {
- public:
- static const UInt32 kMaxRange = 1u << 31;
- explicit Random(UInt32 seed) : state_(seed) {}
- void Reseed(UInt32 seed) { state_ = seed; }
- // Generates a random number from [0, range). Crashes if 'range' is
- // 0 or greater than kMaxRange.
- UInt32 Generate(UInt32 range);
- private:
- UInt32 state_;
- GTEST_DISALLOW_COPY_AND_ASSIGN_(Random);
- };
- // Defining a variable of type CompileAssertTypesEqual<T1, T2> will cause a
- // compiler error iff T1 and T2 are different types.
- template <typename T1, typename T2>
- struct CompileAssertTypesEqual;
- template <typename T>
- struct CompileAssertTypesEqual<T, T> {
- };
- // Removes the reference from a type if it is a reference type,
- // otherwise leaves it unchanged. This is the same as
- // tr1::remove_reference, which is not widely available yet.
- template <typename T>
- struct RemoveReference { typedef T type; }; // NOLINT
- template <typename T>
- struct RemoveReference<T&> { typedef T type; }; // NOLINT
- // A handy wrapper around RemoveReference that works when the argument
- // T depends on template parameters.
- #define GTEST_REMOVE_REFERENCE_(T) \
- typename ::testing::internal::RemoveReference<T>::type
- // Removes const from a type if it is a const type, otherwise leaves
- // it unchanged. This is the same as tr1::remove_const, which is not
- // widely available yet.
- template <typename T>
- struct RemoveConst { typedef T type; }; // NOLINT
- template <typename T>
- struct RemoveConst<const T> { typedef T type; }; // NOLINT
- // MSVC 8.0, Sun C++, and IBM XL C++ have a bug which causes the above
- // definition to fail to remove the const in 'const int[3]' and 'const
- // char[3][4]'. The following specialization works around the bug.
- template <typename T, size_t N>
- struct RemoveConst<const T[N]> {
- typedef typename RemoveConst<T>::type type[N];
- };
- #if defined(_MSC_VER) && _MSC_VER < 1400
- // This is the only specialization that allows VC++ 7.1 to remove const in
- // 'const int[3] and 'const int[3][4]'. However, it causes trouble with GCC
- // and thus needs to be conditionally compiled.
- template <typename T, size_t N>
- struct RemoveConst<T[N]> {
- typedef typename RemoveConst<T>::type type[N];
- };
- #endif
- // A handy wrapper around RemoveConst that works when the argument
- // T depends on template parameters.
- #define GTEST_REMOVE_CONST_(T) \
- typename ::testing::internal::RemoveConst<T>::type
- // Turns const U&, U&, const U, and U all into U.
- #define GTEST_REMOVE_REFERENCE_AND_CONST_(T) \
- GTEST_REMOVE_CONST_(GTEST_REMOVE_REFERENCE_(T))
- // ImplicitlyConvertible<From, To>::value is a compile-time bool
- // constant that's true iff type From can be implicitly converted to
- // type To.
- template <typename From, typename To>
- class ImplicitlyConvertible {
- private:
- // We need the following helper functions only for their types.
- // They have no implementations.
- // MakeFrom() is an expression whose type is From. We cannot simply
- // use From(), as the type From may not have a public default
- // constructor.
- static typename AddReference<From>::type MakeFrom();
- // These two functions are overloaded. Given an expression
- // Helper(x), the compiler will pick the first version if x can be
- // implicitly converted to type To; otherwise it will pick the
- // second version.
- //
- // The first version returns a value of size 1, and the second
- // version returns a value of size 2. Therefore, by checking the
- // size of Helper(x), which can be done at compile time, we can tell
- // which version of Helper() is used, and hence whether x can be
- // implicitly converted to type To.
- static char Helper(To);
- static char (&Helper(...))[2]; // NOLINT
- // We have to put the 'public' section after the 'private' section,
- // or MSVC refuses to compile the code.
- public:
- #if defined(__BORLANDC__)
- // C++Builder cannot use member overload resolution during template
- // instantiation. The simplest workaround is to use its C++0x type traits
- // functions (C++Builder 2009 and above only).
- static const bool value = __is_convertible(From, To);
- #else
- // MSVC warns about implicitly converting from double to int for
- // possible loss of data, so we need to temporarily disable the
- // warning.
- GTEST_DISABLE_MSC_WARNINGS_PUSH_(4244)
- static const bool value =
- sizeof(Helper(ImplicitlyConvertible::MakeFrom())) == 1;
- GTEST_DISABLE_MSC_WARNINGS_POP_()
- #endif // __BORLANDC__
- };
- template <typename From, typename To>
- const bool ImplicitlyConvertible<From, To>::value;
- // IsAProtocolMessage<T>::value is a compile-time bool constant that's
- // true iff T is type ProtocolMessage, proto2::Message, or a subclass
- // of those.
- template <typename T>
- struct IsAProtocolMessage
- : public bool_constant<
- ImplicitlyConvertible<const T*, const ::ProtocolMessage*>::value ||
- ImplicitlyConvertible<const T*, const ::proto2::Message*>::value> {
- };
- // When the compiler sees expression IsContainerTest<C>(0), if C is an
- // STL-style container class, the first overload of IsContainerTest
- // will be viable (since both C::iterator* and C::const_iterator* are
- // valid types and NULL can be implicitly converted to them). It will
- // be picked over the second overload as 'int' is a perfect match for
- // the type of argument 0. If C::iterator or C::const_iterator is not
- // a valid type, the first overload is not viable, and the second
- // overload will be picked. Therefore, we can determine whether C is
- // a container class by checking the type of IsContainerTest<C>(0).
- // The value of the expression is insignificant.
- //
- // In C++11 mode we check the existence of a const_iterator and that an
- // iterator is properly implemented for the container.
- //
- // For pre-C++11 that we look for both C::iterator and C::const_iterator.
- // The reason is that C++ injects the name of a class as a member of the
- // class itself (e.g. you can refer to class iterator as either
- // 'iterator' or 'iterator::iterator'). If we look for C::iterator
- // only, for example, we would mistakenly think that a class named
- // iterator is an STL container.
- //
- // Also note that the simpler approach of overloading
- // IsContainerTest(typename C::const_iterator*) and
- // IsContainerTest(...) doesn't work with Visual Age C++ and Sun C++.
- typedef int IsContainer;
- #if GTEST_LANG_CXX11
- template <class C,
- class Iterator = decltype(::std::declval<const C&>().begin()),
- class = decltype(::std::declval<const C&>().end()),
- class = decltype(++::std::declval<Iterator&>()),
- class = decltype(*::std::declval<Iterator>()),
- class = typename C::const_iterator>
- IsContainer IsContainerTest(int /* dummy */) {
- return 0;
- }
- #else
- template <class C>
- IsContainer IsContainerTest(int /* dummy */,
- typename C::iterator* /* it */ = NULL,
- typename C::const_iterator* /* const_it */ = NULL) {
- return 0;
- }
- #endif // GTEST_LANG_CXX11
- typedef char IsNotContainer;
- template <class C>
- IsNotContainer IsContainerTest(long /* dummy */) { return '\0'; }
- // Trait to detect whether a type T is a hash table.
- // The heuristic used is that the type contains an inner type `hasher` and does
- // not contain an inner type `reverse_iterator`.
- // If the container is iterable in reverse, then order might actually matter.
- template <typename T>
- struct IsHashTable {
- private:
- template <typename U>
- static char test(typename U::hasher*, typename U::reverse_iterator*);
- template <typename U>
- static int test(typename U::hasher*, ...);
- template <typename U>
- static char test(...);
- public:
- static const bool value = sizeof(test<T>(0, 0)) == sizeof(int);
- };
- template <typename T>
- const bool IsHashTable<T>::value;
- template<typename T>
- struct VoidT {
- typedef void value_type;
- };
- template <typename T, typename = void>
- struct HasValueType : false_type {};
- template <typename T>
- struct HasValueType<T, VoidT<typename T::value_type> > : true_type {
- };
- template <typename C,
- bool = sizeof(IsContainerTest<C>(0)) == sizeof(IsContainer),
- bool = HasValueType<C>::value>
- struct IsRecursiveContainerImpl;
- template <typename C, bool HV>
- struct IsRecursiveContainerImpl<C, false, HV> : public false_type {};
- // Since the IsRecursiveContainerImpl depends on the IsContainerTest we need to
- // obey the same inconsistencies as the IsContainerTest, namely check if
- // something is a container is relying on only const_iterator in C++11 and
- // is relying on both const_iterator and iterator otherwise
- template <typename C>
- struct IsRecursiveContainerImpl<C, true, false> : public false_type {};
- template <typename C>
- struct IsRecursiveContainerImpl<C, true, true> {
- #if GTEST_LANG_CXX11
- typedef typename IteratorTraits<typename C::const_iterator>::value_type
- value_type;
- #else
- typedef typename IteratorTraits<typename C::iterator>::value_type value_type;
- #endif
- typedef is_same<value_type, C> type;
- };
- // IsRecursiveContainer<Type> is a unary compile-time predicate that
- // evaluates whether C is a recursive container type. A recursive container
- // type is a container type whose value_type is equal to the container type
- // itself. An example for a recursive container type is
- // boost::filesystem::path, whose iterator has a value_type that is equal to
- // boost::filesystem::path.
- template <typename C>
- struct IsRecursiveContainer : public IsRecursiveContainerImpl<C>::type {};
- // EnableIf<condition>::type is void when 'Cond' is true, and
- // undefined when 'Cond' is false. To use SFINAE to make a function
- // overload only apply when a particular expression is true, add
- // "typename EnableIf<expression>::type* = 0" as the last parameter.
- template<bool> struct EnableIf;
- template<> struct EnableIf<true> { typedef void type; }; // NOLINT
- // Utilities for native arrays.
- // ArrayEq() compares two k-dimensional native arrays using the
- // elements' operator==, where k can be any integer >= 0. When k is
- // 0, ArrayEq() degenerates into comparing a single pair of values.
- template <typename T, typename U>
- bool ArrayEq(const T* lhs, size_t size, const U* rhs);
- // This generic version is used when k is 0.
- template <typename T, typename U>
- inline bool ArrayEq(const T& lhs, const U& rhs) { return lhs == rhs; }
- // This overload is used when k >= 1.
- template <typename T, typename U, size_t N>
- inline bool ArrayEq(const T(&lhs)[N], const U(&rhs)[N]) {
- return internal::ArrayEq(lhs, N, rhs);
- }
- // This helper reduces code bloat. If we instead put its logic inside
- // the previous ArrayEq() function, arrays with different sizes would
- // lead to different copies of the template code.
- template <typename T, typename U>
- bool ArrayEq(const T* lhs, size_t size, const U* rhs) {
- for (size_t i = 0; i != size; i++) {
- if (!internal::ArrayEq(lhs[i], rhs[i]))
- return false;
- }
- return true;
- }
- // Finds the first element in the iterator range [begin, end) that
- // equals elem. Element may be a native array type itself.
- template <typename Iter, typename Element>
- Iter ArrayAwareFind(Iter begin, Iter end, const Element& elem) {
- for (Iter it = begin; it != end; ++it) {
- if (internal::ArrayEq(*it, elem))
- return it;
- }
- return end;
- }
- // CopyArray() copies a k-dimensional native array using the elements'
- // operator=, where k can be any integer >= 0. When k is 0,
- // CopyArray() degenerates into copying a single value.
- template <typename T, typename U>
- void CopyArray(const T* from, size_t size, U* to);
- // This generic version is used when k is 0.
- template <typename T, typename U>
- inline void CopyArray(const T& from, U* to) { *to = from; }
- // This overload is used when k >= 1.
- template <typename T, typename U, size_t N>
- inline void CopyArray(const T(&from)[N], U(*to)[N]) {
- internal::CopyArray(from, N, *to);
- }
- // This helper reduces code bloat. If we instead put its logic inside
- // the previous CopyArray() function, arrays with different sizes
- // would lead to different copies of the template code.
- template <typename T, typename U>
- void CopyArray(const T* from, size_t size, U* to) {
- for (size_t i = 0; i != size; i++) {
- internal::CopyArray(from[i], to + i);
- }
- }
- // The relation between an NativeArray object (see below) and the
- // native array it represents.
- // We use 2 different structs to allow non-copyable types to be used, as long
- // as RelationToSourceReference() is passed.
- struct RelationToSourceReference {};
- struct RelationToSourceCopy {};
- // Adapts a native array to a read-only STL-style container. Instead
- // of the complete STL container concept, this adaptor only implements
- // members useful for Google Mock's container matchers. New members
- // should be added as needed. To simplify the implementation, we only
- // support Element being a raw type (i.e. having no top-level const or
- // reference modifier). It's the client's responsibility to satisfy
- // this requirement. Element can be an array type itself (hence
- // multi-dimensional arrays are supported).
- template <typename Element>
- class NativeArray {
- public:
- // STL-style container typedefs.
- typedef Element value_type;
- typedef Element* iterator;
- typedef const Element* const_iterator;
- // Constructs from a native array. References the source.
- NativeArray(const Element* array, size_t count, RelationToSourceReference) {
- InitRef(array, count);
- }
- // Constructs from a native array. Copies the source.
- NativeArray(const Element* array, size_t count, RelationToSourceCopy) {
- InitCopy(array, count);
- }
- // Copy constructor.
- NativeArray(const NativeArray& rhs) {
- (this->*rhs.clone_)(rhs.array_, rhs.size_);
- }
- ~NativeArray() {
- if (clone_ != &NativeArray::InitRef)
- delete[] array_;
- }
- // STL-style container methods.
- size_t size() const { return size_; }
- const_iterator begin() const { return array_; }
- const_iterator end() const { return array_ + size_; }
- bool operator==(const NativeArray& rhs) const {
- return size() == rhs.size() &&
- ArrayEq(begin(), size(), rhs.begin());
- }
- private:
- enum {
- kCheckTypeIsNotConstOrAReference = StaticAssertTypeEqHelper<
- Element, GTEST_REMOVE_REFERENCE_AND_CONST_(Element)>::value
- };
- // Initializes this object with a copy of the input.
- void InitCopy(const Element* array, size_t a_size) {
- Element* const copy = new Element[a_size];
- CopyArray(array, a_size, copy);
- array_ = copy;
- size_ = a_size;
- clone_ = &NativeArray::InitCopy;
- }
- // Initializes this object with a reference of the input.
- void InitRef(const Element* array, size_t a_size) {
- array_ = array;
- size_ = a_size;
- clone_ = &NativeArray::InitRef;
- }
- const Element* array_;
- size_t size_;
- void (NativeArray::*clone_)(const Element*, size_t);
- GTEST_DISALLOW_ASSIGN_(NativeArray);
- };
- } // namespace internal
- } // namespace testing
- #define GTEST_MESSAGE_AT_(file, line, message, result_type) \
- ::testing::internal::AssertHelper(result_type, file, line, message) \
- = ::testing::Message()
- #define GTEST_MESSAGE_(message, result_type) \
- GTEST_MESSAGE_AT_(__FILE__, __LINE__, message, result_type)
- #define GTEST_FATAL_FAILURE_(message) \
- return GTEST_MESSAGE_(message, ::testing::TestPartResult::kFatalFailure)
- #define GTEST_NONFATAL_FAILURE_(message) \
- GTEST_MESSAGE_(message, ::testing::TestPartResult::kNonFatalFailure)
- #define GTEST_SUCCESS_(message) \
- GTEST_MESSAGE_(message, ::testing::TestPartResult::kSuccess)
- // Suppress MSVC warning 4702 (unreachable code) for the code following
- // statement if it returns or throws (or doesn't return or throw in some
- // situations).
- #define GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement) \
- if (::testing::internal::AlwaysTrue()) { statement; }
- #define GTEST_TEST_THROW_(statement, expected_exception, fail) \
- GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
- if (::testing::internal::ConstCharPtr gtest_msg = "") { \
- bool gtest_caught_expected = false; \
- try { \
- GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
- } \
- catch (expected_exception const&) { \
- gtest_caught_expected = true; \
- } \
- catch (...) { \
- gtest_msg.value = \
- "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.value = \
- "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.value)
- #define GTEST_TEST_NO_THROW_(statement, fail) \
- GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
- if (::testing::internal::AlwaysTrue()) { \
- try { \
- GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
- } \
- catch (...) { \
- goto GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__); \
- } \
- } else \
- GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__): \
- fail("Expected: " #statement " doesn't throw an exception.\n" \
- " Actual: it throws.")
- #define GTEST_TEST_ANY_THROW_(statement, fail) \
- GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
- if (::testing::internal::AlwaysTrue()) { \
- bool gtest_caught_any = false; \
- try { \
- GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
- } \
- catch (...) { \
- gtest_caught_any = true; \
- } \
- if (!gtest_caught_any) { \
- goto GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__); \
- } \
- } else \
- GTEST_CONCAT_TOKEN_(gtest_label_testanythrow_, __LINE__): \
- fail("Expected: " #statement " throws an exception.\n" \
- " Actual: it doesn't.")
- // Implements Boolean test assertions such as EXPECT_TRUE. expression can be
- // either a boolean expression or an AssertionResult. text is a textual
- // represenation of expression as it was passed into the EXPECT_TRUE.
- #define GTEST_TEST_BOOLEAN_(expression, text, actual, expected, fail) \
- GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
- if (const ::testing::AssertionResult gtest_ar_ = \
- ::testing::AssertionResult(expression)) \
- ; \
- else \
- fail(::testing::internal::GetBoolAssertionFailureMessage(\
- gtest_ar_, text, #actual, #expected).c_str())
- #define GTEST_TEST_NO_FATAL_FAILURE_(statement, fail) \
- GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
- if (::testing::internal::AlwaysTrue()) { \
- ::testing::internal::HasNewFatalFailureHelper gtest_fatal_failure_checker; \
- GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
- if (gtest_fatal_failure_checker.has_new_fatal_failure()) { \
- goto GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__); \
- } \
- } else \
- GTEST_CONCAT_TOKEN_(gtest_label_testnofatal_, __LINE__): \
- fail("Expected: " #statement " doesn't generate new fatal " \
- "failures in the current thread.\n" \
- " Actual: it does.")
- // 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_ATTRIBUTE_UNUSED_;\
- 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, NULL, NULL, \
- ::testing::internal::CodeLocation(__FILE__, __LINE__), \
- (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_
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