GoogleTest - Google Testing and Mocking Framework
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Live at Head

GoogleTest now follows the Abseil Live at Head philosophy. We recommend updating to the latest commit in the main branch as often as possible. We do publish occasional semantic versions, tagged with v${major}.${minor}.${patch} (e.g. v1.13.0).

Documentation Updates

Our documentation is now live on GitHub Pages at We recommend browsing the documentation on GitHub Pages rather than directly in the repository.

Release 1.13.0

Release 1.13.0 is now available.

The 1.13.x branch requires at least C++14.

Continuous Integration

We use Google's internal systems for continuous integration.
GitHub Actions were added for the convenience of open source contributors. They are exclusively maintained by the open source community and not used by the GoogleTest team.

Coming Soon

  • We are planning to take a dependency on Abseil.
  • More documentation improvements are planned.

Welcome to GoogleTest, Google's C++ test framework!

This repository is a merger of the formerly separate GoogleTest and GoogleMock projects. These were so closely related that it makes sense to maintain and release them together.

Getting Started

See the GoogleTest User's Guide for documentation. We recommend starting with the GoogleTest Primer.

More information about building GoogleTest can be found at googletest/

Feature Description
xUnit test framework Googletest is based on the
: : xUnit :
: : testing framework, a popular architecture for :
: : unit testing :
Test discovery Googletest automatically discovers and runs
: : your tests, eliminating the need to manually :
: : register your tests :
Rich set of assertions Googletest provides a variety of assertions,
: : such as equality, inequality, exceptions, and :
: : more, making it easy to test your code :
User-defined assertions You can define your own assertions with
: : Googletest, making it simple to write tests :
: : that are specific to your code :
Death tests Googletest supports death tests, which verify
: : that your code exits in a certain way, making :
: : it useful for testing error-handling code :
Fatal and non-fatal failures You can specify whether a test failure should
: : be treated as fatal or non-fatal with :
: : Googletest, allowing tests to continue :
: : running even if a failure occurs :
Value-parameterized tests Googletest supports value-parameterized
: : tests, which run multiple times with :
: : different input values, making it useful for :
: : testing functions that take different inputs :
Type-parameterized tests Googletest also supports type-parameterized
: : tests, which run with different data types, :
: : making it useful for testing functions that :
: : work with different data types :
Various options for running Googletest provides many options for running
: tests : tests, including running individual tests, :
: : running tests in a specific order, and :
: : running tests in parallel :

Supported Platforms

GoogleTest follows Google's Foundational C++ Support Policy. See this table for a list of currently supported versions compilers, platforms, and build tools.

Who Is Using GoogleTest?

In addition to many internal projects at Google, GoogleTest is also used by the following notable projects:

Related Open Source Projects

GTest Runner is a Qt5 based automated test-runner and Graphical User Interface with powerful features for Windows and Linux platforms.

GoogleTest UI is a test runner that runs your test binary, allows you to track its progress via a progress bar, and displays a list of test failures. Clicking on one shows failure text. GoogleTest UI is written in C#.

GTest TAP Listener is an event listener for GoogleTest that implements the TAP protocol for test result output. If your test runner understands TAP, you may find it useful.

gtest-parallel is a test runner that runs tests from your binary in parallel to provide significant speed-up.

GoogleTest Adapter is a VS Code extension allowing to view GoogleTest in a tree view and run/debug your tests.

C++ TestMate is a VS Code extension allowing to view GoogleTest in a tree view and run/debug your tests.

Cornichon is a small Gherkin DSL parser that generates stub code for GoogleTest.

Contributing Changes

Please read for details on how to contribute to this project.

Happy testing!

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