EclEmma

EclEmma

EclEmma is a free Java code coverage tool for Eclipse, used to measure and report on code coverage in Java projects. It highlights which parts of the code have been executed during runtime.
Development Code Coverage
eclipse java testing coverage
EclEmma screenshot
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EclEmma: Free Java Code Coverage Tool

Measure and report on code coverage in Java projects with EclEmma, a free tool used by Eclipse to highlight executed code parts.

What is EclEmma?

EclEmma is a free, open source Java code coverage tool for Eclipse. It is used by developers to measure and report on code coverage in Java projects within the Eclipse IDE.

EclEmma shows which lines of code have been executed during runtime. It visually highlights covered and uncovered code using different colors right inside the IDE editor. This makes it easy for developers to identify gap areas of missing tests or execution paths.

Key features of EclEmma include:

  • Fast code coverage analysis integrated with Eclipse
  • Colored visualization of coverage data in code editors
  • Coverage statistics for packages, classes, methods and lines
  • Identification of missing tests for untouched code
  • Fully supports Java 7 language features and beyond
  • Extensible and integrates with testing frameworks like JUnit

EclEmma is a helpful companion for Java developers aiming for high test coverage and wanting fast feedback on what parts of their code base are covered by tests versus missing execution. The direct visualization speeds up the development cycle by easily spotting coverage gaps.

EclEmma Features

Features

  1. Code coverage measurement for Java code
  2. Fast test and ability to run tests from Eclipse
  3. Color coding to visualize code coverage
  4. Filtering of coverage results
  5. Integration with JUnit and TestNG unit tests

Pricing

  • Open Source

Pros

Free and open source

Easy to use

Good integration with Eclipse IDE

Helpful visualization features

Active community support

Cons

Limited to Java code coverage

Setup can be tricky for some projects

Reports lack customization options

Only available as an Eclipse plugin

Official Links

Official Website
https://www.eclemma.org/

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