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Exact Difference between Positive and Negative Testing with Test Scenarios

Exact Difference between Positive and Negative Test is shown below and hope after seen these differences you do not have any queries left in your mind because I am writing the differences in tabular form so that you all can learns it easily and breaks the any sort of interview in software testing field you came across.

Positive and Negative Testing

Top Distinction between Positive and Negative Testing

    Positive Testing (Valid)
   Negative Testing (Invalid)
1. Positive Testing means testing the application or system by giving valid data.
1. Negative Testing means testing the application or system by giving invalid data.
2. In this testing tester always check for only valid set of values.
2. In this testing tester always check for only invalid set of values.
3. Positive Testing is done by keeping positive point of view for example checking the mobile number field by giving numbers only like 9999999999.
3. Negative Testing is done by keeping negative point of view for example checking the mobile number field by giving numbers and alphabets like 99999abcde.
4. It is always done to verify the known set of Test Conditions.
4. It is always done to break the project and product with unknown set of Test Conditions.
5. This Testing checks how the product and project behave by providing valid set of data.
5. This Testing covers those scenarios for which the product is not designed and coded by providing invalid set of data.
6. Main aim means purpose of this Testing is to prove that the project and product works as per the requirements and specifications.
6. Main aim means purpose of this Testing is try to break the application or system by providing invalid set of data.
7. This type of Testing always tries to prove that a given product and project always meets the requirements and specifications of a client and customer.
7. Negative Testing is that in which tester attempts to prove that the given product and project does, which is not said in the client and customer requirements.

Positive and Negative Test Scenarios with Example

Positive and Negative testing can be used in different set of scenarios, but below is given the scenario of login form on which these two types of testing are used.

For example you are doing the testing on login form which have following fields like Username field, Password field, and Sign In, Sign Up, Cancel, Login Button etc. Now you have to perform the positive and negative test scenarios on that, so your criteria for doing positive and negative testing are given below:

Now positive scenario of login form is that you enter the valid username and password in the username and password field, and then click on Login Button to check whether the user is able to login or not.

Negative scenario of login form is that you leave the password field blank and fill the username field, and then click on Login Button to check whether the user is able to login or not.

Your turn on Scenarios

Actually there are many scenarios on doing positive and negative test on login form, but I point out the main test of doing testing on login form. You can also give other positive and negative test scenarios on Login form, so waiting for your scenarios.
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