Code coverage is a metric that measures the percentage of code that is executed during testing. It is used to measure the effectiveness of a software testing process and to identify areas of the code that may not be thoroughly tested.
The formula for code coverage is:
Code Coverage = (Number of Lines of Code Executed / Total Number of Lines of Code) * 100%
It is calculated by measuring the number of lines of code that were executed during testing and dividing that by the total number of lines of code in the software. The result is then multiplied by 100% to express the result as a percentage.
For example, if a software has 1000 lines of code and 800 lines of code were executed during testing, the code coverage would be 80%.
Code coverage is an important metric for software development, because it allows developers to identify areas of the code that are not being thoroughly tested and may contain bugs or errors. It’s also important to track the code coverage over time and compare it against industry benchmarks and historical data, to identify areas where the testing process could be improved.
There are different types of code coverage, such as statement coverage, branch coverage, and condition coverage, each of them measures different aspects of the code and it’s important to understand which one is more relevant for the specific use case.
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