Answer / amit

There is nothing exactly like negative test case.
If we test with negative data, then it is called negative
testing. So no need to add new column for this.
For ex : There is a text box. According to the validation
it will take only alphanumeric value according to the SRS
(like 12gh, amit, amit 1234, 11amit). In this case enter
some special characters in that field ($&)@!) to know
whether it is accepting that or not. It is called negative
testing.

Answer / veeresh kumar

Negative testing is something which relates to testing the
System against its requirements.
Every System has its requirements & defintions.Test Cases
are written based on the System requirements. If I
understood your question properly , you are confused
regarding where to write the negative test cases? THis is
good question, generally we tend up writing Test Cases as
per System Requirements and we have the results for the
same. Most of Test Engineers however also test -Ve test
cases during the whole testing process , but never record
them in test-procedure. Yes we should record them seprately,
may be by adding few more test cases as mentioning them as
-ve test cases or as suggestions to system requirements. I
hope this answers your question.

Answer / sree

Hi Amit!!Thanks for replying. Even i know about -ve Testing.
But, i thought testers can prepare seperate Test Cases for
Negative Testing also.

Answer / mudaseer

as soon as we get the requirement we start writing test cases both positive and negative test cases.for example requirement
says in a banking application the amount entered should be between 100 and 5000.so we enter values between 100 to 5000 and test whether money is transferring or not.we also test for less than 100 and more than 5000.that is we write negative test case but seperate column is not required.when we write negative test case it should fail but the test case is
passing then we report to the developer.

Answer / ashish

Negative test case says that try out some different way for
the same requirment but behavior of product should not
change i.e breaking mantality of developer.

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