diff options
| -rw-r--r-- | googletest/include/gtest/gtest-assertion-result.h | 232 | ||||
| -rw-r--r-- | googletest/include/gtest/gtest.h | 189 | ||||
| -rw-r--r-- | googletest/include/gtest/gtest_pred_impl.h | 4 | ||||
| -rw-r--r-- | googletest/src/gtest-all.cc | 1 | ||||
| -rw-r--r-- | googletest/src/gtest-assertion-result.cc | 81 | ||||
| -rw-r--r-- | googletest/src/gtest.cc | 44 |
6 files changed, 323 insertions, 228 deletions
diff --git a/googletest/include/gtest/gtest-assertion-result.h b/googletest/include/gtest/gtest-assertion-result.h new file mode 100644 index 0000000..e020c48 --- /dev/null +++ b/googletest/include/gtest/gtest-assertion-result.h @@ -0,0 +1,232 @@ +// 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 file implements the AssertionResult type. + +// IWYU pragma: private, include "gtest/gtest.h" +// IWYU pragma: friend gtest/.* +// IWYU pragma: friend gmock/.* + +#ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_ASSERTION_RESULT_H_ +#define GOOGLETEST_INCLUDE_GTEST_GTEST_ASSERTION_RESULT_H_ + +#include <memory> +#include <ostream> +#include <string> +#include <type_traits> + +#include "gtest/gtest-message.h" +#include "gtest/internal/gtest-port.h" + +namespace testing { + +// A class for indicating whether an assertion was successful. When +// the assertion wasn't successful, the AssertionResult object +// remembers a non-empty message that describes how it failed. +// +// To create an instance of this class, use one of the factory functions +// (AssertionSuccess() and AssertionFailure()). +// +// This class is useful for two purposes: +// 1. Defining predicate functions to be used with Boolean test assertions +// EXPECT_TRUE/EXPECT_FALSE and their ASSERT_ counterparts +// 2. Defining predicate-format functions to be +// used with predicate assertions (ASSERT_PRED_FORMAT*, etc). +// +// For example, if you define IsEven predicate: +// +// testing::AssertionResult IsEven(int n) { +// if ((n % 2) == 0) +// return testing::AssertionSuccess(); +// else +// return testing::AssertionFailure() << n << " is odd"; +// } +// +// Then the failed expectation EXPECT_TRUE(IsEven(Fib(5))) +// will print the message +// +// Value of: IsEven(Fib(5)) +// Actual: false (5 is odd) +// Expected: true +// +// instead of a more opaque +// +// Value of: IsEven(Fib(5)) +// Actual: false +// Expected: true +// +// in case IsEven is a simple Boolean predicate. +// +// If you expect your predicate to be reused and want to support informative +// messages in EXPECT_FALSE and ASSERT_FALSE (negative assertions show up +// about half as often as positive ones in our tests), supply messages for +// both success and failure cases: +// +// testing::AssertionResult IsEven(int n) { +// if ((n % 2) == 0) +// return testing::AssertionSuccess() << n << " is even"; +// else +// return testing::AssertionFailure() << n << " is odd"; +// } +// +// Then a statement EXPECT_FALSE(IsEven(Fib(6))) will print +// +// Value of: IsEven(Fib(6)) +// Actual: true (8 is even) +// Expected: false +// +// NB: Predicates that support negative Boolean assertions have reduced +// performance in positive ones so be careful not to use them in tests +// that have lots (tens of thousands) of positive Boolean assertions. +// +// To use this class with EXPECT_PRED_FORMAT assertions such as: +// +// // Verifies that Foo() returns an even number. +// EXPECT_PRED_FORMAT1(IsEven, Foo()); +// +// you need to define: +// +// testing::AssertionResult IsEven(const char* expr, int n) { +// if ((n % 2) == 0) +// return testing::AssertionSuccess(); +// else +// return testing::AssertionFailure() +// << "Expected: " << expr << " is even\n Actual: it's " << n; +// } +// +// If Foo() returns 5, you will see the following message: +// +// Expected: Foo() is even +// Actual: it's 5 +// +class GTEST_API_ AssertionResult { + public: + // Copy constructor. + // Used in EXPECT_TRUE/FALSE(assertion_result). + AssertionResult(const AssertionResult& other); + +// C4800 is a level 3 warning in Visual Studio 2015 and earlier. +// This warning is not emitted in Visual Studio 2017. +// This warning is off by default starting in Visual Studio 2019 but can be +// enabled with command-line options. +#if defined(_MSC_VER) && (_MSC_VER < 1910 || _MSC_VER >= 1920) + GTEST_DISABLE_MSC_WARNINGS_PUSH_(4800 /* forcing value to bool */) +#endif + + // Used in the EXPECT_TRUE/FALSE(bool_expression). + // + // T must be contextually convertible to bool. + // + // The second parameter prevents this overload from being considered if + // the argument is implicitly convertible to AssertionResult. In that case + // we want AssertionResult's copy constructor to be used. + template <typename T> + explicit AssertionResult( + const T& success, + typename std::enable_if< + !std::is_convertible<T, AssertionResult>::value>::type* + /*enabler*/ + = nullptr) + : success_(success) {} + +#if defined(_MSC_VER) && (_MSC_VER < 1910 || _MSC_VER >= 1920) + GTEST_DISABLE_MSC_WARNINGS_POP_() +#endif + + // Assignment operator. + AssertionResult& operator=(AssertionResult other) { + swap(other); + return *this; + } + + // Returns true if and only if the assertion succeeded. + operator bool() const { return success_; } // NOLINT + + // Returns the assertion's negation. Used with EXPECT/ASSERT_FALSE. + AssertionResult operator!() const; + + // Returns the text streamed into this AssertionResult. Test assertions + // use it when they fail (i.e., the predicate's outcome doesn't match the + // assertion's expectation). When nothing has been streamed into the + // object, returns an empty string. + const char* message() const { + return message_.get() != nullptr ? message_->c_str() : ""; + } + // Deprecated; please use message() instead. + const char* failure_message() const { return message(); } + + // Streams a custom failure message into this object. + template <typename T> + AssertionResult& operator<<(const T& value) { + AppendMessage(Message() << value); + return *this; + } + + // Allows streaming basic output manipulators such as endl or flush into + // this object. + AssertionResult& operator<<( + ::std::ostream& (*basic_manipulator)(::std::ostream& stream)) { + AppendMessage(Message() << basic_manipulator); + return *this; + } + + private: + // Appends the contents of message to message_. + void AppendMessage(const Message& a_message) { + if (message_.get() == nullptr) message_.reset(new ::std::string); + message_->append(a_message.GetString().c_str()); + } + + // Swap the contents of this AssertionResult with other. + void swap(AssertionResult& other); + + // Stores result of the assertion predicate. + bool success_; + // Stores the message describing the condition in case the expectation + // construct is not satisfied with the predicate's outcome. + // Referenced via a pointer to avoid taking too much stack frame space + // with test assertions. + std::unique_ptr< ::std::string> message_; +}; + +// Makes a successful assertion result. +GTEST_API_ AssertionResult AssertionSuccess(); + +// Makes a failed assertion result. +GTEST_API_ AssertionResult AssertionFailure(); + +// Makes a failed assertion result with the given failure message. +// Deprecated; use AssertionFailure() << msg. +GTEST_API_ AssertionResult AssertionFailure(const Message& msg); + +} // namespace testing + +#endif // GOOGLETEST_INCLUDE_GTEST_GTEST_ASSERTION_RESULT_H_ diff --git a/googletest/include/gtest/gtest.h b/googletest/include/gtest/gtest.h index de015b3..a4174cd 100644 --- a/googletest/include/gtest/gtest.h +++ b/googletest/include/gtest/gtest.h @@ -56,6 +56,7 @@ #include <type_traits> #include <vector> +#include "gtest/gtest-assertion-result.h" #include "gtest/gtest-death-test.h" #include "gtest/gtest-matchers.h" #include "gtest/gtest-message.h" @@ -63,6 +64,7 @@ #include "gtest/gtest-printers.h" #include "gtest/gtest-test-part.h" #include "gtest/gtest-typed-test.h" +#include "gtest/gtest_pred_impl.h" #include "gtest/gtest_prod.h" #include "gtest/internal/gtest-internal.h" #include "gtest/internal/gtest-string.h" @@ -203,193 +205,6 @@ using TestCase = TestSuite; class TestInfo; class UnitTest; -// A class for indicating whether an assertion was successful. When -// the assertion wasn't successful, the AssertionResult object -// remembers a non-empty message that describes how it failed. -// -// To create an instance of this class, use one of the factory functions -// (AssertionSuccess() and AssertionFailure()). -// -// This class is useful for two purposes: -// 1. Defining predicate functions to be used with Boolean test assertions -// EXPECT_TRUE/EXPECT_FALSE and their ASSERT_ counterparts -// 2. Defining predicate-format functions to be -// used with predicate assertions (ASSERT_PRED_FORMAT*, etc). -// -// For example, if you define IsEven predicate: -// -// testing::AssertionResult IsEven(int n) { -// if ((n % 2) == 0) -// return testing::AssertionSuccess(); -// else -// return testing::AssertionFailure() << n << " is odd"; -// } -// -// Then the failed expectation EXPECT_TRUE(IsEven(Fib(5))) -// will print the message -// -// Value of: IsEven(Fib(5)) -// Actual: false (5 is odd) -// Expected: true -// -// instead of a more opaque -// -// Value of: IsEven(Fib(5)) -// Actual: false -// Expected: true -// -// in case IsEven is a simple Boolean predicate. -// -// If you expect your predicate to be reused and want to support informative -// messages in EXPECT_FALSE and ASSERT_FALSE (negative assertions show up -// about half as often as positive ones in our tests), supply messages for -// both success and failure cases: -// -// testing::AssertionResult IsEven(int n) { -// if ((n % 2) == 0) -// return testing::AssertionSuccess() << n << " is even"; -// else -// return testing::AssertionFailure() << n << " is odd"; -// } -// -// Then a statement EXPECT_FALSE(IsEven(Fib(6))) will print -// -// Value of: IsEven(Fib(6)) -// Actual: true (8 is even) -// Expected: false -// -// NB: Predicates that support negative Boolean assertions have reduced -// performance in positive ones so be careful not to use them in tests -// that have lots (tens of thousands) of positive Boolean assertions. -// -// To use this class with EXPECT_PRED_FORMAT assertions such as: -// -// // Verifies that Foo() returns an even number. -// EXPECT_PRED_FORMAT1(IsEven, Foo()); -// -// you need to define: -// -// testing::AssertionResult IsEven(const char* expr, int n) { -// if ((n % 2) == 0) -// return testing::AssertionSuccess(); -// else -// return testing::AssertionFailure() -// << "Expected: " << expr << " is even\n Actual: it's " << n; -// } -// -// If Foo() returns 5, you will see the following message: -// -// Expected: Foo() is even -// Actual: it's 5 -// -class GTEST_API_ AssertionResult { - public: - // Copy constructor. - // Used in EXPECT_TRUE/FALSE(assertion_result). - AssertionResult(const AssertionResult& other); - -// C4800 is a level 3 warning in Visual Studio 2015 and earlier. -// This warning is not emitted in Visual Studio 2017. -// This warning is off by default starting in Visual Studio 2019 but can be -// enabled with command-line options. -#if defined(_MSC_VER) && (_MSC_VER < 1910 || _MSC_VER >= 1920) - GTEST_DISABLE_MSC_WARNINGS_PUSH_(4800 /* forcing value to bool */) -#endif - - // Used in the EXPECT_TRUE/FALSE(bool_expression). - // - // T must be contextually convertible to bool. - // - // The second parameter prevents this overload from being considered if - // the argument is implicitly convertible to AssertionResult. In that case - // we want AssertionResult's copy constructor to be used. - template <typename T> - explicit AssertionResult( - const T& success, - typename std::enable_if< - !std::is_convertible<T, AssertionResult>::value>::type* - /*enabler*/ - = nullptr) - : success_(success) {} - -#if defined(_MSC_VER) && (_MSC_VER < 1910 || _MSC_VER >= 1920) - GTEST_DISABLE_MSC_WARNINGS_POP_() -#endif - - // Assignment operator. - AssertionResult& operator=(AssertionResult other) { - swap(other); - return *this; - } - - // Returns true if and only if the assertion succeeded. - operator bool() const { return success_; } // NOLINT - - // Returns the assertion's negation. Used with EXPECT/ASSERT_FALSE. - AssertionResult operator!() const; - - // Returns the text streamed into this AssertionResult. Test assertions - // use it when they fail (i.e., the predicate's outcome doesn't match the - // assertion's expectation). When nothing has been streamed into the - // object, returns an empty string. - const char* message() const { - return message_.get() != nullptr ? message_->c_str() : ""; - } - // Deprecated; please use message() instead. - const char* failure_message() const { return message(); } - - // Streams a custom failure message into this object. - template <typename T> AssertionResult& operator<<(const T& value) { - AppendMessage(Message() << value); - return *this; - } - - // Allows streaming basic output manipulators such as endl or flush into - // this object. - AssertionResult& operator<<( - ::std::ostream& (*basic_manipulator)(::std::ostream& stream)) { - AppendMessage(Message() << basic_manipulator); - return *this; - } - - private: - // Appends the contents of message to message_. - void AppendMessage(const Message& a_message) { - if (message_.get() == nullptr) message_.reset(new ::std::string); - message_->append(a_message.GetString().c_str()); - } - - // Swap the contents of this AssertionResult with other. - void swap(AssertionResult& other); - - // Stores result of the assertion predicate. - bool success_; - // Stores the message describing the condition in case the expectation - // construct is not satisfied with the predicate's outcome. - // Referenced via a pointer to avoid taking too much stack frame space - // with test assertions. - std::unique_ptr< ::std::string> message_; -}; - -// Makes a successful assertion result. -GTEST_API_ AssertionResult AssertionSuccess(); - -// Makes a failed assertion result. -GTEST_API_ AssertionResult AssertionFailure(); - -// Makes a failed assertion result with the given failure message. -// Deprecated; use AssertionFailure() << msg. -GTEST_API_ AssertionResult AssertionFailure(const Message& msg); - -} // namespace testing - -// Includes the auto-generated header that implements a family of generic -// predicate assertion macros. This include comes late because it relies on -// APIs declared above. -#include "gtest/gtest_pred_impl.h" - -namespace testing { - // The abstract class that all tests inherit from. // // In Google Test, a unit test program contains one or many TestSuites, and diff --git a/googletest/include/gtest/gtest_pred_impl.h b/googletest/include/gtest/gtest_pred_impl.h index 4cebfb4..96b36fa 100644 --- a/googletest/include/gtest/gtest_pred_impl.h +++ b/googletest/include/gtest/gtest_pred_impl.h @@ -39,7 +39,9 @@ #ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_ #define GOOGLETEST_INCLUDE_GTEST_GTEST_PRED_IMPL_H_ -#include "gtest/gtest.h" +#include "gtest/gtest-assertion-result.h" +#include "gtest/internal/gtest-internal.h" +#include "gtest/internal/gtest-port.h" namespace testing { diff --git a/googletest/src/gtest-all.cc b/googletest/src/gtest-all.cc index ad29290..29eba16 100644 --- a/googletest/src/gtest-all.cc +++ b/googletest/src/gtest-all.cc @@ -39,6 +39,7 @@ // The following lines pull in the real gtest *.cc files. #include "src/gtest.cc" +#include "src/gtest-assertion-result.cc" #include "src/gtest-death-test.cc" #include "src/gtest-filepath.cc" #include "src/gtest-matchers.cc" diff --git a/googletest/src/gtest-assertion-result.cc b/googletest/src/gtest-assertion-result.cc new file mode 100644 index 0000000..9f90e87 --- /dev/null +++ b/googletest/src/gtest-assertion-result.cc @@ -0,0 +1,81 @@ +// 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 file defines the AssertionResult type. + +#include "gtest/gtest-assertion-result.h" + +#include <utility> +#include <string> + +#include "gtest/gtest-message.h" + +namespace testing { + +// AssertionResult constructors. +// Used in EXPECT_TRUE/FALSE(assertion_result). +AssertionResult::AssertionResult(const AssertionResult& other) + : success_(other.success_), + message_(other.message_.get() != nullptr + ? new ::std::string(*other.message_) + : static_cast< ::std::string*>(nullptr)) {} + +// Swaps two AssertionResults. +void AssertionResult::swap(AssertionResult& other) { + using std::swap; + swap(success_, other.success_); + swap(message_, other.message_); +} + +// Returns the assertion's negation. Used with EXPECT/ASSERT_FALSE. +AssertionResult AssertionResult::operator!() const { + AssertionResult negation(!success_); + if (message_.get() != nullptr) negation << *message_; + return negation; +} + +// Makes a successful assertion result. +AssertionResult AssertionSuccess() { + return AssertionResult(true); +} + +// Makes a failed assertion result. +AssertionResult AssertionFailure() { + return AssertionResult(false); +} + +// Makes a failed assertion result with the given failure message. +// Deprecated; use AssertionFailure() << message. +AssertionResult AssertionFailure(const Message& message) { + return AssertionFailure() << message; +} + +} // namespace testing diff --git a/googletest/src/gtest.cc b/googletest/src/gtest.cc index 7f1580f..a294b15 100644 --- a/googletest/src/gtest.cc +++ b/googletest/src/gtest.cc @@ -31,8 +31,6 @@ // The Google C++ Testing and Mocking Framework (Google Test) #include "gtest/gtest.h" -#include "gtest/internal/custom/gtest.h" -#include "gtest/gtest-spi.h" #include <ctype.h> #include <stdarg.h> @@ -54,6 +52,10 @@ #include <sstream> #include <vector> +#include "gtest/gtest-assertion-result.h" +#include "gtest/gtest-spi.h" +#include "gtest/internal/custom/gtest.h" + #if GTEST_OS_LINUX # include <fcntl.h> // NOLINT @@ -1207,44 +1209,6 @@ std::string Message::GetString() const { return internal::StringStreamToString(ss_.get()); } -// AssertionResult constructors. -// Used in EXPECT_TRUE/FALSE(assertion_result). -AssertionResult::AssertionResult(const AssertionResult& other) - : success_(other.success_), - message_(other.message_.get() != nullptr - ? new ::std::string(*other.message_) - : static_cast< ::std::string*>(nullptr)) {} - -// Swaps two AssertionResults. -void AssertionResult::swap(AssertionResult& other) { - using std::swap; - swap(success_, other.success_); - swap(message_, other.message_); -} - -// Returns the assertion's negation. Used with EXPECT/ASSERT_FALSE. -AssertionResult AssertionResult::operator!() const { - AssertionResult negation(!success_); - if (message_.get() != nullptr) negation << *message_; - return negation; -} - -// Makes a successful assertion result. -AssertionResult AssertionSuccess() { - return AssertionResult(true); -} - -// Makes a failed assertion result. -AssertionResult AssertionFailure() { - return AssertionResult(false); -} - -// Makes a failed assertion result with the given failure message. -// Deprecated; use AssertionFailure() << message. -AssertionResult AssertionFailure(const Message& message) { - return AssertionFailure() << message; -} - namespace internal { namespace edit_distance { |