BlackBox Testing

Black box testing is a software testing in which a manual tester test the functionality of a software how it will work without the knowledge of internal structure.This type of testing is based on software requirements.                                         

Data Inputs are prepared for the software and output is compared with the expected results.

Following are the Steps which are done for black box testing.

1. Requirements and specifications of the system is to be examined.
2. Tester chooses valid input and  positive test cases for system to be works expected.
3. Invalid inputs or negative testcases are execute as well so that system should give error.

Type of BlackBoxTesting

1. Functional Testing
2. Non Functional Testing
3. Regression Testing

Black-box Testing Techniques

1. Equivalence Partitioning
2. Boundary Value Analysis
3. Cause Effect Graph 

Tools used for blackboxtesting

Tools depends on blackboxtesting which type of testing have to perform.

Functional Testing

Qtp,Selenium

NonFuctionalTesting

LoadRunner,Jmeter