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1.Destructive Testing:

Ø  The destructive testing is about breaking the software application to assess their quality. It is done intentionally to check the robustness of the software and find out the point of failure.

Ø  It checks the unpredictable behaviour of the application. The most interesting thing is that there is no need to understand the original requirements of a software product.

Ø  The benefits of this testing is that it helps to understand predictable behaviour when the software is put in unfavourable conditions.  

Ø  During destructive testing, proper and improper software behaviour is checked. Also, improper usage, improper input data and proper output data are checked.

Ø  The destructive testing can be used with other testing like Alpha/Beta Testing, Regression Testing, Acceptance Testing, etc.

Ø  There are some conditions in destructive testing such as the software will not process invalid input data  and  output data should always be correct regardless of the type of input data is given.

 2.Fault Injection Testing:

 Ø  It is done by introducing a fault in the code for testing the robustness of the application and its capabilities in the error handing.

Ø  When the fault is introduced directly into the code it is called compile – time injection and when the fault is introduce through the software triggers to cause specific scenarios in a running system it is called runtime injection.

Ø  The purpose is to ensure that the system is able to recover from the fault and identifies the design weakness where even a single fault could lead to severe error or systemic failure.

 3.Endurance Testing:

 Ø  This testing is also known as soak testing. It is done to check whether the application can sustain the load for the long time or not. It is a type of non-functional testing.

Ø  The system reaction parameter is measured by examining the system whether it can sustain a huge load for a longer period of time.

Ø  The benefits of this testing is that it helps to find out the critical memory leaks that may lead to the crash of an operating system.

Ø  The failure to close connections between the layers of the system may leads to stop working of modules of the system. The failure to database connections may lead to system crash.

 4.Equivalence Partitioning Testing:

 Ø  There is time and budget constraints so it is not possible to do exhaustive testing for each set of test data.  The tester needs to intelligently select test cases from the pool of data that covered all the scenarios.

Ø  In this technique the input data is divided into different equivalence data classes. The advantages of this testing is that it gives clear guidelines for determining the test cases without comprising the effectiveness of the data.

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