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The difference between Positive Testing and Negative Testing - javatpoint
The difference between Positive Testing and Negative Testing with introduction, software development life cycle, design, development, quality assurance, methods, black box testing, white box testing, etc.

The difference between Positive Testing and Negative Testing - javatpoint

The primary objective of performing the software testing is to identify the bugs in the code and enhance the quality of software or an application.

To achieve this, we have two different but unique software testing approaches, such as positive testing and negative testing.

Both of these testing strategies have their prime features and functionality, and both testings play a significant role to check the software or an application.

To test any kind of application, we need to provide some input value and validate if the results are based on the given requirements or not.

Before understanding the significant difference between positive and negative testing, we will briefly introduce positive and negative testings with some examples.

It is used to check whether our application works as expected or not. And if an error is detected at the time of positive testing, the test is considered as fail. A positive testing is a technique whenever a test engineer writes the test cases for a set of respective outputs.

In positive testing, the test engineer will always check for only a good set of values.

In other words, we can say that positive testing is a process where the system or an application is tested against the valid input data.

And the primary purpose of performing the positive testing is to validate whether the software does what it is supposed to do.

In simple terms, we can say that positive testing is implemented by providing a positive point of view.

For example, Numbers like 9999999.

In the following example, we are trying to understand the working of positive testing.

To get in-detail information about positive testing, refers to the following link:

It is implemented to check how the application can gracefully handle invalid input or unpredicted user performance.

The fundamental purpose of executing the negative testing is to ensure the application's stability against the effects of different variations of improper validation data set.

Negative testing is also known as error path testing or failure. And it helps us to identify more bugs and enhance the quality of the software application under test.

Once the positive testing is complete, then only we can execute the negative testing, which helps to identify more bugs and enhance the quality of the software application under test.

We can say that the negative testing is executing by keeping the negative point of view in simple terms. For example, 99999abcde

Let see one example which will help us to understand the negative testing in an effective way.

To get in-detail information about negative testing refers to the following link:

The positive method is the same to the negative testing. But the significant difference between them is, in positive testing, we will enter the valid data instead of false data, and the expected result is the system accepting the code with no further issues.

Let's see another example where we will see the Positive and negative test scenarios:

Suppose we have one requirement, where the Password text box field should accept only 8-15 alphanumeric characters.

Let see the below table where we discussed some of the positive and negative test scenarios.

Some of the significant difference between positive and negative testing is discussed in the following table:

After seeing the significant comparison between positive and negative testing, we can conclude that testing helps us to increase the software application quality and ensures the software is bug-free before the software is launched.

As the name recommends, they are two opposing techniques but highly effective in getting quality software at the end of the day.

The fundamental purpose of implementing the Positive and Negative Testing is to verify that the application works as per the given business needs and specifications and provides us enough assurance in the software's quality.

And finally, we can say that Positive testing and Negative testing are like two sides of a coin, which implies that we cannot overlook anyone's significance in any case.

If both are implemented, the output is overwhelming; if we ignored one of them, the final product would be unpleasant.

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