1.) When tester test the application from positive point of mind than it is known as positive testing.Testing the application with valid input and data is known as positive testing.
2.) A test which is designed to check that application is correctly working. Here the aim of tester is to pass affecting application, sometimes it is obviously called as clean testing, and that is “test to pass”.
3.) Purpose of this Testing is to prove that the project and product works as per the requirements and specifications.
4.) It is always done to verify the known set of Test Conditions.
5.) This Testing checks how the product and project behave by providing valid set of data.
6.) Positive Testing is done by keeping positive point of view for example checking the mobile number field by giving numbers only like 9999999999.
1.) When tester test the application from negative point of mind than it is known as negative testing.
2.) Testing the application always with invalid input and data is known as negative testing.
3.) Purpose of this Testing is try to break the application or system by providing invalid set of data.
4.) It is always done to break the project and product with unknown set of Test Conditions.
5.) This Testing covers those scenarios for which the product is not designed and coded by providing invalid set of data.
6.) Negative Testing is done by keeping negative point of view for example checking the mobile number field by giving numbers and alphabets like 9856gf#34d.
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.