What May Happen If Software Testing Company Will Not Check All Possible Input Data Sets?

What May Happen If Software Testing Company Will Not Check All Possible Input Data Sets?

Software testing company offers a wide range of onshore and offshore quality assurance services to improve the products’ quality, lower maintenance costs and enhance customer satisfaction. Testing is a core competency of this organization therefore you will be provided with the most precise and accurate information about your application’s state.  

There is a great multitude of tests but, unfortunately, not all of them can be executed. One should check all 4 input types (valid, invalid, editable and out-of-time). Then it is necessary to carefully select the test data. But it should be remembered that if at least one value is missed, the test will remain incomplete.

If you are sure that you can fully test a program without checking its response to every conceivable combination of input conditions – how lucky you are! It would be interesting to know what types of tests are supposed to be used for that verification. Using this information, specialists will be able to design a program that will execute all these tests and will identify a spectacular failure in a missed situation. If this can be done deliberately, then, without a doubt, such an error can be committed by a programmer by chance.

Do you know that load testing companies help to understand the behavior of the system under a particular workload? Does your software work appropriately? Are you sure it can handle the high demand? Make sure it can – load test it and you will be able to identify the maximum number of simultaneous connecters to your application server.

Here are two examples of failures in situations that may be regarded as too difficult or improbable to be tested:

• A database management software destroyed data base files, which size was exactly a multiple of 512 bytes. Another program could not work with the files, which was the size of 16 384 bytes or a multiple of this number, even if it itself had to create them.
• A word processor crashed when opening large files (100 thousands of bytes) if they were severely fragmented (i.e. their parts were randomly scattered all over the disk). The editing work was done quite well, but at some point when moving the mouse cursor, a whole paragraph suddenly disappeared.

Such situations are very difficult to predict. But in this case those were the very real problems faced by real people who paid a good amount of money and got headache in return.

To fully test a program it is necessary to check its response to every combination of valid and invalid values ​​in every moment of its operation and under all possible conditions but this is not possible.
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