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# Google Test #
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[](https://travis-ci.org/google/googletest)
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[](https://ci.appveyor.com/project/BillyDonahue/googletest/branch/master)
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Welcome to **Google Test**, Google's C++ test framework!
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This repository is a merger of the formerly separate GoogleTest and
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GoogleMock projects. These were so closely related that it makes sense to
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maintain and release them together.
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Please see the project page above for more information as well as the
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mailing list for questions, discussions, and development. There is
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also an IRC channel on OFTC (irc.oftc.net) #gtest available. Please
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join us!
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Getting started information for **Google Test** is available in the
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[Google Test Primer](googletest/docs/Primer.md) documentation.
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**Google Mock** is an extension to Google Test for writing and using C++ mock
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classes. See the separate [Google Mock documentation](googlemock/README.md).
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More detailed documentation for googletest (including build instructions) are
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in its interior [googletest/README.md](googletest/README.md) file.
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## Features ##
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* An [XUnit](https://en.wikipedia.org/wiki/XUnit) test framework.
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* Test discovery.
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* A rich set of assertions.
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* User-defined assertions.
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* Death tests.
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* Fatal and non-fatal failures.
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* Value-parameterized tests.
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* Type-parameterized tests.
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* Various options for running the tests.
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* XML test report generation.
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## Platforms ##
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Google test has been used on a variety of platforms:
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* Linux
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* Mac OS X
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* Windows
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* Cygwin
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* MinGW
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* Windows Mobile
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* Symbian
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## Who Is Using Google Test? ##
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In addition to many internal projects at Google, Google Test is also used by
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the following notable projects:
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* The [Chromium projects](http://www.chromium.org/) (behind the Chrome
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browser and Chrome OS).
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* The [LLVM](http://llvm.org/) compiler.
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* [Protocol Buffers](https://github.com/google/protobuf), Google's data
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interchange format.
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* The [OpenCV](http://opencv.org/) computer vision library.
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## Related Open Source Projects ##
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[Google Test UI](https://github.com/ospector/gtest-gbar) is test runner that runs
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your test binary, allows you to track its progress via a progress bar, and
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displays a list of test failures. Clicking on one shows failure text. Google
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Test UI is written in C#.
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[GTest TAP Listener](https://github.com/kinow/gtest-tap-listener) is an event
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listener for Google Test that implements the
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[TAP protocol](https://en.wikipedia.org/wiki/Test_Anything_Protocol) for test
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result output. If your test runner understands TAP, you may find it useful.
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## Requirements ##
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Google Test is designed to have fairly minimal requirements to build
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and use with your projects, but there are some. Currently, we support
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Linux, Windows, Mac OS X, and Cygwin. We will also make our best
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effort to support other platforms (e.g. Solaris, AIX, and z/OS).
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However, since core members of the Google Test project have no access
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to these platforms, Google Test may have outstanding issues there. If
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you notice any problems on your platform, please notify
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<googletestframework@googlegroups.com>. Patches for fixing them are
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even more welcome!
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### Linux Requirements ###
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These are the base requirements to build and use Google Test from a source
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package (as described below):
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* GNU-compatible Make or gmake
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* POSIX-standard shell
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* POSIX(-2) Regular Expressions (regex.h)
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* A C++98-standard-compliant compiler
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### Windows Requirements ###
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* Microsoft Visual C++ v7.1 or newer
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### Cygwin Requirements ###
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* Cygwin v1.5.25-14 or newer
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### Mac OS X Requirements ###
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* Mac OS X v10.4 Tiger or newer
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* Xcode Developer Tools
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### Requirements for Contributors ###
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We welcome patches. If you plan to contribute a patch, you need to
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build Google Test and its own tests from a git checkout (described
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below), which has further requirements:
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* [Python](https://www.python.org/) v2.3 or newer (for running some of
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the tests and re-generating certain source files from templates)
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* [CMake](https://cmake.org/) v2.6.4 or newer
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## Regenerating Source Files ##
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Some of Google Test's source files are generated from templates (not
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in the C++ sense) using a script.
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For example, the
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file include/gtest/internal/gtest-type-util.h.pump is used to generate
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gtest-type-util.h in the same directory.
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You don't need to worry about regenerating the source files
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unless you need to modify them. You would then modify the
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corresponding `.pump` files and run the '[pump.py](googletest/scripts/pump.py)'
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generator script. See the [Pump Manual](googletest/docs/PumpManual.md).
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### Contributing Code ###
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We welcome patches. Please read the
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[Developer's Guide](googletest/docs/DevGuide.md)
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for how you can contribute. In particular, make sure you have signed
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the Contributor License Agreement, or we won't be able to accept the
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patch.
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Happy testing!
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