11 best C++ Unit Testing libraries in 2024

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by marketing.admin@openweaver.com dot icon Updated: Mar 10, 2023

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Unit testing is the first level of software testing where individual units/ components of a software are tested. The purpose is to validate that each unit of the software performs as designed. A unit is the smallest testable part of any software. It usually has one or a few inputs and usually a single output. Good code coverage does not guarantee your software is bug-free, but it does determine that your code has been executed during a test run. In this list, we list down 11 best C++ Unit Testing Open Source libraries that you can use in your project. Such as Catch2 - A modern, Cnative, headeronly, test framework for unittests, TDD and BDD using C11, C14, C17 and later; cpputest - CppUTest unit testing and mocking framework for C/C++; unittest-cpp | A lightweight unit testing framework for C++.

Catch2by catchorg

C++ doticonstar image 16688 doticonVersion:v3.3.2doticon
License: Permissive (BSL-1.0)

A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)

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            Catch2by catchorg

            C++ doticon star image 16688 doticonVersion:v3.3.2doticon License: Permissive (BSL-1.0)

            A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)
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                      cpputestby cpputest

                      C++ doticonstar image 1217 doticonVersion:latest-passing-builddoticon
                      License: Permissive (BSD-3-Clause)

                      CppUTest unit testing and mocking framework for C/C++

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                                cpputestby cpputest

                                C++ doticon star image 1217 doticonVersion:latest-passing-builddoticon License: Permissive (BSD-3-Clause)

                                CppUTest unit testing and mocking framework for C/C++
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                                          Claraby catchorg

                                          C++ doticonstar image 637 doticonVersion:v1.1.5doticon
                                          License: Permissive (BSL-1.0)

                                          A simple to use, composable, command line parser for C++ 11 and beyond

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                                                    Claraby catchorg

                                                    C++ doticon star image 637 doticonVersion:v1.1.5doticon License: Permissive (BSL-1.0)

                                                    A simple to use, composable, command line parser for C++ 11 and beyond
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                                                              unittest-cppby unittest-cpp

                                                              C++ doticonstar image 524 doticonVersion:v2.0.0doticon
                                                              License: Permissive (MIT)

                                                              A lightweight unit testing framework for C++

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                                                                        unittest-cppby unittest-cpp

                                                                        C++ doticon star image 524 doticonVersion:v2.0.0doticon License: Permissive (MIT)

                                                                        A lightweight unit testing framework for C++
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                                                                                  CMockby ThrowTheSwitch

                                                                                  C doticonstar image 568 doticonVersion:v2.5.3doticon
                                                                                  License: Permissive (MIT)

                                                                                  CMock - Mock/stub generator for C

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                                                                                            CMockby ThrowTheSwitch

                                                                                            C doticon star image 568 doticonVersion:v2.5.3doticon License: Permissive (MIT)

                                                                                            CMock - Mock/stub generator for C
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                                                                                                      textflowcppby catchorg

                                                                                                      C++ doticonstar image 87 doticonVersion:Currentdoticon
                                                                                                      License: Permissive (BSL-1.0)

                                                                                                      A simple, single-header-only library, for wrapping text. In C++

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                                                                                                                textflowcppby catchorg

                                                                                                                C++ doticon star image 87 doticonVersion:Currentdoticon License: Permissive (BSL-1.0)

                                                                                                                A simple, single-header-only library, for wrapping text. In C++
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                                                                                                                          CppUMockGenby jgonzalezdr

                                                                                                                          C++ doticonstar image 24 doticonVersion:v0.6doticon
                                                                                                                          License: Permissive (BSD-3-Clause)

                                                                                                                          Mock generator for CppUTest/CppUMock

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                                                                                                                                    CppUMockGenby jgonzalezdr

                                                                                                                                    C++ doticon star image 24 doticonVersion:v0.6doticon License: Permissive (BSD-3-Clause)

                                                                                                                                    Mock generator for CppUTest/CppUMock
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                                                                                                                                              tstby cppfw

                                                                                                                                              C++ doticonstar image 12 doticonVersion:Currentdoticon
                                                                                                                                              License: Permissive (MIT)

                                                                                                                                              C++ xUnit-like testing framework without macros

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                                                                                                                                                        tstby cppfw

                                                                                                                                                        C++ doticon star image 12 doticonVersion:Currentdoticon License: Permissive (MIT)

                                                                                                                                                        C++ xUnit-like testing framework without macros
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                                                                                                                                                                  C++ doticonstar image 5 doticonVersion:Currentdoticon
                                                                                                                                                                  License: Strong Copyleft (GPL-3.0)

                                                                                                                                                                  A cookiecutter template for creating a simple C++ TDD code kata project using CppUTest

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                                                                                                                                                                            cookiecutter-kata-cpputestby EvolvedHQ

                                                                                                                                                                            C++ doticon star image 5 doticonVersion:Currentdoticon License: Strong Copyleft (GPL-3.0)

                                                                                                                                                                            A cookiecutter template for creating a simple C++ TDD code kata project using CppUTest
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                                                                                                                                                                                      C++ doticonstar image 6 doticonVersion:Currentdoticon
                                                                                                                                                                                      License: Permissive (MIT)

                                                                                                                                                                                      Demonstrates how to build a hybrid C++/Python package using CMake.

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                                                                                                                                                                                                DolphinTradingIndicatorsby jfantell

                                                                                                                                                                                                C++ doticon star image 6 doticonVersion:Currentdoticon License: Permissive (MIT)

                                                                                                                                                                                                Demonstrates how to build a hybrid C++/Python package using CMake.
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                                                                                                                                                                                                          orbital shippingby cinnaboot

                                                                                                                                                                                                          C++ doticonstar image 0 doticonVersion:Currentdoticon
                                                                                                                                                                                                          License: Strong Copyleft (GNU GPLv3)

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                                                                                                                                                                                                                    orbital shippingby cinnaboot

                                                                                                                                                                                                                    C++ doticon star image 0 doticonVersion:Currentdoticon License: Strong Copyleft (GNU GPLv3)

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