🠄 Back to solutions

Jacoco

JCov is an open-source Java code coverage tool that helps developers measure and analyze test suite effectiveness.

Description

JCov is an open-source Java code coverage tool designed to measure and analyze the dynamic code coverage of Java programs. It provides detailed metrics on method, linear block, and branch coverage, identifying uncovered execution paths within Java applications. Primarily used to assess the effectiveness of test suites, JCov helps developers understand which parts of their code are being executed by tests and which parts are not. This facilitates the development of more comprehensive and reliable test suites. Its pure Java implementation ensures compatibility with various Java versions, from JDK 1.0 and higher, including JDK 8, CDC/CLDC 1.0 and higher, and JavaCard 3.0 and higher. The project encourages community involvement to improve and expand its functionality.

Features

JCov is a pure Java implementation offering method, linear block, and branch coverage analysis. It visualizes uncovered execution paths and annotates source code with coverage information. Its compatibility extends across multiple Java platforms (JDK 1.0+, JDK 8, CDC/CLDC 1.0+, and JavaCard 3.0+). The tool is open-source, fostering community collaboration for improvement and development. It directly aids in evaluating the effectiveness of test suites by measuring executed versus unexecuted code sections.

Benefits

Improved code quality through comprehensive test coverage analysis, enhanced debugging capabilities by identifying untested code paths, increased confidence in software reliability by ensuring thorough testing, facilitating the development of robust and reliable test suites, transparent coverage metrics promoting consistent test suite evaluation, supports various Java platforms and versions (JDK 1.0+, JDK 8, CDC/CLDC 1.0+, JavaCard 3.0+).

Links

Home page
Key info
Open Source
European