Code Coverage

 

Quilt
Quilt is a Java software development tool that measures coverage , the extent to which unit testing exercises the software under test. It is extent to which unit testing exercises the software under test. It is optimized for use with the JUnit unit test package, the Ant Java build facility, and the Maven project management toolkit.

NoUnit
NoUnit allows you to see how good your JUnit tests are. It generates a report from your code to graphically show you how many of your report from your code to graphically show you how many of your projects methods are being tested , and how well.

Jester
Jester finds code that is not covered by tests. Jester makes some change to your code, runs your tests, and if the tests pass Jester change to your code, runs your tests, and if the tests pass Jester displays a message saying what it changed. Jester includes a script for generating web pages that show the changes made that did not cause the tests to fail.

GroboCodeCoverage
GroboCodeCoverage is a 100% Pure Java implementation of a Code Coverage tool. It uses Jakartas BCEL platform to post-compile class files to tool. It uses Jakartas BCEL platform to post-compile class files to add logging statements for tracking coverage.

JCoverage
jcoverage/gpl is a free code-coverage tool for Java™ programmers that allows them to measure the effectiveness of their Java tests and how allows them to measure the effectiveness of their Java tests and how much of a software programs code has been tested. jcoverage/gpl identifies how many times each line of code in your application has been executed and you can see which parts of your software remain untested. After instrumenting your code and running your tests, a report is generated allowing you to view information coverage figures from a project level right down to the individual line of code. This process is called code coverage.

Hansel
Hansel decorates a JUnit Test class and instruments one or more classes under test to verify 100% branch coverage of the tested classes by the under test to verify 100% branch coverage of the tested classes by the Test class. The Hansel-decorated TestSuite first runs all the test methods in the Test class. If any of these fail, the test fails, ie: Hansel doesnt bother verifying coverage until functional testing is 100% successful. Hansel generates additional Tests, called Probes, each of which verifies coverage for a single method or branch. Each of these will fail if the method or branch was not covered during executino of the functional tests. Hansel uses the BCEL library to instrument the class(es) under test.

InsECT
InsECT which stands for Instrumentation Execution Coverage Tool, is a system developed in Java to obtain coverage information for Java system developed in Java to obtain coverage information for Java programs. InsECT instruments (inserts instructions into) Java class files at the bytecode level with probes to report information about a system at runtime. The goal of InsECT is to provide detailed coverage information about Java programs by taking into full account the object-oriented behavior and language features of Java. Furthermore, as an open-source project, InsECT is designed to be extensible for use in a wide variety of dynamic analyses. InsECT utilizes the Byte Code Engineering Library.

Coverlipse
An eclipse plugin for code coverage visualization of JUnit Tests. Supported coverages include block coverage and all-uses coverage (Data Supported coverages include block coverage and all-uses coverage (Data Flow Analysis). License is CPL (Common Public License)

JVMDI Code Coverage Analyser
This small utility is a shared library which when loaded into a Java VM (1.4+) which supports JVMDI will record all the lines of code executed. (1.4+) which supports JVMDI will record all the lines of code executed. This is a relatively coarse coverage method, but good enough for a lot of purposes.

JClassLib
jclasslib bytecode is a viewer but it also contains a library that enables developers to read, modify and write Java class files and bytecode. jclasslib bytecode is a viewer but it also contains a library that enables developers to read, modify and write Java class files and bytecode.

JBlanket
JBlanket is a tool for assessing and improving method coverage of unit test cases. It is integrated with JUnit and Ant.

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