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A Software Application needs to be error-free before going out in the market. Customer satisfaction is of utmost importance for any organization and only a bug-free product can keep your customer happy. In this article, we will see what is debugging and how it is different from software testing in the following sequence:
Software programs undergo heavy testing, updating, troubleshooting, and maintenance during the development process. Usually, the software contains errors and bugs, which are routinely removed. Debugging is the process of fixing a bug in the software.
It refers to identifying, analyzing and removing errors. This process begins after the software fails to execute properly and concludes by solving the problem and successfully testing the software. But, it is considered to be an extremely complex and tedious task because errors need to be resolved at all stages of debugging.
The process of debugging begins as soon as the code of the software is written. Then, it continues in successive stages as code is combined with other units of programming to form a software product. Debugging has many benefits such as:
The different steps involved in the process of debugging are:
1. Identify the Error: A bad identification of an error can lead to wasted developing time. It is usual that production errors reported by users are hard to interpret and sometimes the information we receive is misleading. It is import to identify the actual error.
2. Find the Error Location: After identifying the error correctly, you need to go through the code to find the exact spot where the error is located. In this stage, you need to focus on finding the error instead of understanding it.
3. Analyze the Error: In the third step, you need to use a bottom-up approach from the error location and analyze the code. This helps you in understanding the error. Analyzing a bug has two main goals, such as checking around the error for other errors to be found, and to make sure about the risks of entering any collateral damage in the fix.
4. Prove the Analysis: Once you are done analyzing the original bug, you need to find a few more errors that may appear on the application. This step is about writing automated tests for these areas with the help of a test framework.
5. Cover Lateral Damage: In this stage, you need to create or gather all the unit tests for the code where you are going to make changes. Now, if you run these unit tests, they all should pass.
6. Fix & Validate: The final stage is the fix all the errors and run all the test scripts to check if they all pass.
Debugging tool is a computer program used to test and debug other programs. There are a lot of public domain software like gdb and dbx that you can use for debugging. Also, they offer console-based command-line interfaces. Some of the automated debugging tools include code-based tracers, profilers, interpreters, etc.
Here is a list of some of the widely used debuggers:
With this, we have come to the end of our article. I hope you understood what is debugging and the different stages involved in the process of debugging.
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