Best Code Coverage Tools for C++

Parasoft's mission is to provide automated testing solutions and expertise that empower organizations to expedite delivery of safe and reliable software. A powerful unified C and C++ test automation solution for static analysis, unit testing and structural code coverage, Parasoft C/C++test helps satisfy compliance with industry functional safety and security requirements for embedded software systems.

Enhance your productivity by ensuring only high-quality code is released, as SonarQube Cloud (previously known as SonarCloud) seamlessly evaluates branches and enriches pull requests with insights. Identify subtle bugs to avoid unpredictable behavior that could affect users and address security vulnerabilities that threaten your application while gaining knowledge of application security through the Security Hotspots feature. Within moments, you can begin using the platform right where your code resides, benefiting from immediate access to the most current features and updates. Project dashboards provide vital information on code quality and readiness for release, keeping both teams and stakeholders in the loop. Showcase project badges to demonstrate your commitment to excellence within your communities. Code quality and security are essential across your entire technology stack, encompassing both front-end and back-end development. That’s why we support a wide range of 24 programming languages, including Python, Java, C++, and many more. The demand for transparency in coding practices is on the rise, and we invite you to be a part of this movement; it's completely free for open-source projects, making it an accessible opportunity for all developers! Plus, by participating, you contribute to a larger community dedicated to improving software quality.

All your Python development needs are consolidated in one application. While PyCharm handles routine tasks, you can save precious time and concentrate on more significant projects, fully utilizing its keyboard-centric design to explore countless productivity features. This IDE is well-versed in your code and can be trusted for features like intelligent code completion, immediate error detection, and quick-fix suggestions, alongside straightforward project navigation and additional capabilities. With PyCharm, you can write organized and maintainable code, as it assists in maintaining quality through PEP8 compliance checks, testing support, smart refactoring options, and a comprehensive range of inspections. Created by programmers specifically for other programmers, PyCharm equips you with every tool necessary for effective Python development, allowing you to focus on what matters most. Additionally, PyCharm's robust navigation and automated refactoring features further enhance your coding experience, ensuring that you remain efficient and productive throughout your projects.

Introducing Xcode 12, which features a fresh design perfectly suited for macOS Big Sur. This version boasts customizable font sizes for the navigator, improved code completion, and innovative document tabs, making the coding experience more efficient and visually appealing. By default, Xcode 12 creates Universal apps that seamlessly run on Macs equipped with Apple Silicon without requiring any code alterations. With its layout tailored for macOS Big Sur, Xcode 12 showcases a navigator sidebar that extends to the top of the window and features distinctly clear toolbar buttons. The larger default font enhances readability, while users can select from various size options to suit their preferences. The introduction of new document tabs simplifies the organization of files within your workspace, allowing for a more structured workflow. This tab model enables users to effortlessly open new tabs with a double-click or keep track of selected files as they navigate. Furthermore, document tabs can be rearranged to form a cohesive set of files, and users have the ability to customize how content is displayed in each tab for optimal efficiency. Overall, Xcode 12 enhances the development experience with its thoughtful design and user-friendly features.

Real-time error detection and fix suggestions, along with swift and secure refactoring options that allow for easy one-step undo, intelligent code completion, the identification of unused code, and helpful documentation prompts, assist all Go developers—from beginners to seasoned experts—in crafting fast, efficient, and dependable code. Delving into and deciphering team projects, legacy code, or unfamiliar systems can be time-consuming and challenging. GoLand's navigation tools facilitate seamless movement through code by allowing instant transitions to shadowed methods, various implementations, usages, declarations, or interfaces tied to specific types. You can easily navigate between different types, files, or symbols, and assess their usages, all while benefiting from organized grouping by the type of usage. Additionally, integrated tools enable you to run and debug applications effortlessly, as you can write and test your code without needing extra plugins or complex configurations, all within the IDE environment. With a built-in Code Coverage feature, you can ensure that your tests are thorough and comprehensive, preventing any critical areas from being overlooked. This comprehensive set of tools ultimately streamlines the development process and enhances overall productivity.

Enhance the quality of your code by adopting healthier coding practices and refining your code review process. Codecov offers a suite of integrated tools designed to organize, merge, archive, and compare coverage reports seamlessly. This service is free for open-source projects, with paid plans beginning at just $10 per user each month. It supports multiple programming languages, including Ruby, Python, C++, and JavaScript, and can be effortlessly integrated into any continuous integration (CI) workflow without the need for extensive setup. The platform features automatic merging of reports across all CI systems and languages into a unified document. Users can receive tailored status updates on various coverage metrics and review reports organized by project, folder, and test type, such as unit or integration tests. Additionally, detailed comments on the coverage reports are directly included in your pull requests. Committed to safeguarding your data and systems, Codecov holds SOC 2 Type II certification, which verifies that an independent third party has evaluated and confirmed their security practices. By utilizing these tools, teams can significantly increase code quality and streamline their development processes.

DeepSource streamlines the process of identifying and resolving code issues during reviews, including risks of bugs, anti-patterns, performance bottlenecks, and security vulnerabilities. Setting it up with your Bitbucket, GitHub, or GitLab account takes under five minutes, making it incredibly convenient. It supports various programming languages such as Python, Go, Ruby, and JavaScript. Additionally, DeepSource encompasses all essential programming languages, Infrastructure-as-Code capabilities, secret detection, code coverage, and much more. This means you can rely solely on DeepSource for code protection. Initiate your development with the most advanced static analysis platform, ensuring that you catch bugs before they make their way into production. It boasts the largest array of static analysis rules available in the market. Your team will benefit from having a centralized location to monitor and address code health effectively. With DeepSource, code formatting can be automated, ensuring your CI pipeline remains intact without style violations disrupting the process. Furthermore, it can automatically generate and implement fixes for detected issues with just a few clicks, enhancing your team's productivity and efficiency.

Unit testing made simple: You can write tests without modifying your existing code, including legacy systems. This applies to static methods, private methods, non-virtual methods, out parameters, and even class members and fields. Our professional edition is available at no cost for developers globally, alongside options for paid support packages. By enhancing your code integrity, you can consistently produce high-quality code. You can create entire object models with just a single command, enabling you to mock static methods, private methods, constructors, events, LINQ queries, reference arguments, and more, whether they are live or future elements. The automated test suggestion feature tailors recommendations specifically for your code, while our intelligent test runner efficiently executes only the tests that are impacted, providing you with rapid feedback. Additionally, our coverage tool allows you to visualize your code coverage directly in your editor as you develop, ensuring that you keep track of your testing progress. This comprehensive approach not only saves time but also significantly enhances the reliability of your software.

Debugging should be straightforward, and AQTime Pro transforms intricate memory and performance data into clear, actionable insights, allowing for rapid identification of bugs and their underlying causes. While the process of locating and resolving unique bugs can often be laborious and complex, AQTime Pro simplifies this task significantly. With a suite of over a dozen profilers, it enables you to detect memory leaks, performance issues, and code coverage deficiencies with just a few clicks. This powerful tool empowers developers to eliminate all types of bugs efficiently, helping them return their focus to producing high-quality code. Don’t let code profiling tools limit you to a single codebase or framework, which can hinder your ability to uncover performance issues, memory leaks, and code coverage gaps specific to your project. AQTime Pro stands out as the versatile solution that can be employed across various codebases and frameworks within a single project. Its extensive language support includes popular programming languages such as C/C++, Delphi, .NET, Java, and more, making it an invaluable asset for diverse development environments. With AQTime Pro at your disposal, you can streamline your debugging process and enhance your coding efficiency like never before.

Thanks to a comprehensive array of tools and APIs available from leading cloud providers, developing services in Go has never been more accessible. The language's extensive open-source libraries, combined with its powerful standard library, make it ideal for crafting swift and sophisticated command-line interfaces. Go's exceptional memory management and compatibility with multiple integrated development environments enhance its capability to drive rapid and scalable web applications. With quick compilation times and a clean syntax, along with built-in formatting and documentation tools, Go is tailored to meet the needs of both DevOps professionals and site reliability engineers. This is a deep dive into everything related to Go. Whether you are embarking on a fresh project or looking to refine your existing Go skills, there’s a structured interactive introduction that is divided into three parts. Each part offers practical exercises to reinforce your understanding, and the Playground feature allows users to write Go code directly in a browser, which is then compiled, linked, and executed on our servers instantly. This hands-on approach makes learning Go not only effective but also enjoyable.

grcov is a tool that gathers and consolidates code coverage data from various source files. It is capable of processing .profraw and .gcda files produced by llvm/clang or gcc compilers. Additionally, grcov can handle lcov files for JavaScript coverage and JaCoCo files for Java applications. This versatile tool is compatible with operating systems including Linux, macOS, and Windows, making it widely accessible for developers across different platforms. Its functionality enhances the ability to analyze code quality and test coverage effectively.

OpenCppCoverage is a free and open-source tool designed for measuring code coverage in C++ applications on Windows platforms. Primarily aimed at enhancing unit testing, it also aids in identifying executed lines during program debugging. The tool is compatible with compilers that generate program database files (.pdb) and allows users to execute their programs without the need for recompilation. Users can exclude specific lines based on regular expressions, and it offers coverage aggregation, enabling the merging of multiple coverage reports into a singular comprehensive document. It requires Microsoft Visual Studio 2008 or newer, including the Express edition, although it may also function with earlier versions of Visual Studio. Furthermore, tests can be conveniently run through the Test Explorer window, streamlining the testing process for developers. This versatility makes OpenCppCoverage a valuable asset for those focused on maintaining high code quality.

Codacy is an automated code review tool. It helps identify problems through static code analysis. This allows engineering teams to save time and tackle technical debt. Codacy seamlessly integrates with your existing workflows on Git provider as well as with Slack and JIRA or using Webhooks. Each commit and pull-request includes notifications about security issues, code coverage, duplicate code, and code complexity. Advanced code metrics provide insight into the health of a project as well as team performance and other metrics. The Codacy CLI allows you to run Codacy code analysis locally. This allows teams to see Codacy results without needing to check their Git provider, or the Codacy app. Codacy supports more than 30 programming languages and is available in free open source and enterprise versions (cloud or self-hosted). For more see https://www.codacy.com/

Coco is a comprehensive code coverage solution designed for modern software development across both embedded systems and desktop applications. It empowers developers, QA engineers, and compliance teams to measure and improve test coverage through function, branch, decision, condition, and MC/DC coverage metrics. With support for multiple languages and toolchains—including GCC, Clang, MSBuild, ARM, QNX, and Green Hills—Coco integrates seamlessly into existing CI/CD workflows without requiring code refactoring. Teams can quickly detect coverage gaps, streamline regression testing, and remove redundant test cases to shorten validation cycles. For regulated industries like automotive, aerospace, and healthcare, Coco delivers qualification kits and pre-built certification artifacts to support ISO 26262 and DO-178C compliance. The Coco Cross-Compilation Add-on extends capabilities to embedded Linux, RTOS, and bare-metal targets, offering full traceability from test execution to certification. Its integration with Test Center provides real-time analytics, visualization, and organization-wide reporting for test intelligence. With Coco, development teams gain transparency, speed, and trust in every release cycle.

The LDRA tool suite stands as the premier platform offered by LDRA, providing a versatile and adaptable framework for integrating quality into software development from the initial requirements phase all the way through to deployment. This suite encompasses a broad range of functionalities, which include requirements traceability, management of tests, adherence to coding standards, evaluation of code quality, analysis of code coverage, and both data-flow and control-flow assessments, along with unit, integration, and target testing, as well as support for certification and regulatory compliance. The primary components of this suite are offered in multiple configurations to meet various software development demands. Additionally, a wide array of supplementary features is available to customize the solution for any specific project. At the core of the suite, LDRA Testbed paired with TBvision offers a robust combination of static and dynamic analysis capabilities, along with a visualization tool that simplifies the process of understanding and navigating the intricacies of standards compliance, quality metrics, and analyses of code coverage. This comprehensive toolset not only enhances software quality but also streamlines the development process for teams aiming for excellence in their projects.

Testwell CTC++ is an advanced tool that focuses on instrumentation-based code coverage and dynamic analysis specifically for C and C++ programming languages. By incorporating additional components, it can also extend its functionality to languages such as C#, Java, and Objective-C. Moreover, with further add-ons, CTC++ is capable of analyzing code on a wide range of embedded target machines, including those with very limited resources, such as minimal memory and lacking an operating system. This tool offers various coverage metrics, including Line Coverage, Statement Coverage, Function Coverage, Decision Coverage, Multicondition Coverage, Modified Condition/Decision Coverage (MC/DC), and Condition Coverage. As a dynamic analysis tool, it provides detailed execution counters, indicating how many times each part of the code is executed, which goes beyond simple executed/not executed data. Additionally, users can utilize CTC++ to assess function execution costs, typically in terms of time taken, and to activate tracing for function entry and exit during testing phases. The user-friendly interface of CTC++ makes it accessible for developers seeking efficient analysis solutions. Its versatility and comprehensive features make it a valuable asset for both small and large projects.

BullseyeCoverage is an innovative tool designed for C++ code coverage that aims to enhance the quality of software in critical sectors such as enterprise applications, industrial automation, healthcare, automotive, telecommunications, and the aerospace and defense industries. The function coverage metric allows developers to quickly assess the extent of testing and highlights regions that lack coverage entirely. This metric is invaluable for enhancing overall coverage across various facets of your project. On a more granular level, condition/decision coverage offers insights into the control structure, enabling targeted improvements in specific areas, particularly during unit tests. Compared to statement or branch coverage, C/D coverage delivers superior detail and significantly boosts productivity, making it a more effective choice for developers striving for thorough testing. By incorporating these metrics, teams can ensure their software is robust and reliable, meeting the high standards required in critical applications.

We assist you in confidently delivering your code by identifying which sections are left untested by your suite. Our service is free for open-source projects, while private repositories can benefit from our pro accounts. You can sign up instantly through platforms like GitHub, Bitbucket, and GitLab. Ensuring a thoroughly tested codebase is crucial for success, yet identifying gaps in your tests can be a challenging task. Since you're likely already using a continuous integration server for testing, why not allow it to handle the heavy lifting? Coveralls integrates seamlessly with your CI server, analyzing your coverage data to uncover hidden issues before they escalate into bigger problems. If you're only checking your code coverage locally, you may miss out on valuable insights and trends throughout your entire development process. Coveralls empowers you to explore every aspect of your coverage while providing unlimited historical data. By using Coveralls, you can eliminate the hassle of monitoring your code coverage, gaining a clear understanding of your untested sections. This allows you to develop with assurance that your code is properly covered and robust. In summary, Coveralls not only streamlines the tracking process but also enhances your overall development experience.

Our platform uses a variety of security techniques, including feedback-based fuzz testing and coverage-guided fuzz testing, in order to generate millions upon millions of test cases that trigger difficult-to-find bugs deep in your application. This white-box approach helps to prevent edge cases and speed up development. Advanced fuzzing engines produce inputs that maximize code coverage. Powerful bug detectors check for errors during code execution. Only uncover true vulnerabilities. You will need the stack trace and input to prove that you can reproduce errors reliably every time. AI white-box testing is based on data from all previous tests and can continuously learn the inner workings of your application. This allows you to trigger security-critical bugs with increasing precision.

VectorCAST is an extensive test-automation framework aimed at optimizing unit, integration, and system testing throughout the embedded software development process. It facilitates the automation of test case creation and execution for applications written in C, C++, and Ada, while also accommodating host, target, and continuous integration environments. Additionally, VectorCAST provides structural code coverage metrics, which are essential for ensuring the validation of safety-critical and mission-critical systems. The tool seamlessly integrates with simulation processes such as software-in-the-loop and processor-in-the-loop, and it works with model-based engineering tools like Simulink/Embedded Coder. It also supports advanced white-box testing techniques, including dynamic instrumentation, fault injection, and the generation of test harnesses, effectively combining static analysis results—like those from Polyspace—with dynamic coverage to ensure comprehensive lifecycle verification. Among its significant features are the ability to correlate requirements with tests and the management and reporting of coverage across different configurations, ultimately enhancing the testing process. Overall, VectorCAST empowers organizations to achieve more reliable and efficient testing in their software development endeavors.

RKTracer is a sophisticated tool designed for code coverage and test analysis, allowing development teams to evaluate the thoroughness and effectiveness of their testing efforts across various stages, including unit, integration, functional, and system-level testing, all without needing to modify any existing application code or build process. This versatile tool is capable of instrumenting a wide range of environments, including host machines, simulators, emulators, embedded systems, and servers, while supporting a diverse set of programming languages such as C, C++, CUDA, C#, Java, Kotlin, JavaScript/TypeScript, Golang, Python, and Swift. RKTracer offers comprehensive coverage metrics, providing insights into function, statement, branch/decision, condition, MC/DC, and multi-condition coverage, along with the capability to generate delta-coverage reports that highlight newly added or altered code segments that are already under test. The integration of RKTracer into development workflows is straightforward; by simply prefixing the build or test command with “rktracer,” users can execute their tests and subsequently produce detailed HTML or XML reports suitable for CI/CD systems or integration with dashboards like SonarQube. Ultimately, RKTracer empowers teams to enhance their testing practices and improve overall software quality effectively.

Maintain high-quality code while adhering to agile development cycles. Jtest's extensive Java testing tools will ensure that you code flawlessly at every stage of Java software development. Streamline Compliance with Security Standards. Ensure that your Java code conforms to industry security standards. Automated generation of compliance verification documentation Get Quality Software Out Faster Java testing tools can be integrated to detect defects faster and more efficiently. Reduce time and costs by avoiding costly and complicated problems later. Increase your return on unit testing. Create a set of JUnit test suites that are easy to maintain and optimize for code coverage. Smart test execution allows you to get faster feedback from CI as well as within your IDE. Parasoft Jtest integrates seamlessly into your development ecosystem and CI/CD pipeline for real-time, intelligent feedback about your testing and compliance progress.

Codase offers a vast repository of open-source code, significantly enhancing accessibility by reaching code that is often tucked away in compressed archives and version control systems, areas where typical search engines struggle to operate efficiently. Moreover, Codase prioritizes high-quality code by ensuring that every single line is meticulously validated and compiled through an advanced source code analysis engine. This company, privately owned and situated in Silicon Valley, was established by Dr. Huihong Luo alongside other industry veterans. Our team consists of forward-thinking and enthusiastic experts with varied technological and business expertise, all boasting impressive track records. We strive to position Codase as the premier search engine for source code, excelling in features, quality, performance, and comprehensive code coverage. Developers may discover Codase to be an invaluable resource, as our principal aim is to enhance your coding efficiency and productivity. Ultimately, we believe that by providing such a robust platform, we can empower developers to achieve more in their coding endeavors.