can any one give negative testcases for calculator

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can any one give negative testcases for calculator ..

Answer / jyothi

Negative Testing means to break the Software.
in calculator eg: 1*1 =1 but you have to check for in the
place of 1's enter some special characters like + * + do
multiplication for + symbol it should not generate any
answer. and should not break the System.

and 1*2 =2 this is the Positive testing
at the same time !*2 = some unknown this is negetive

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can any one give negative testcases for calculator ..

Answer / anitha balasubramani

Negative testing is used to ensure whether the application can able to handle the invalid input and unexpected user behavior.For ex, if we give this data 4+5- and click equal to button then the calculator does not produce the result.To check these kind of behaviour we are doing negative testing. While doing negative testing the exceptions are expected. If it throws the exp properly in the negative testing then the application is working fine.

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1 No

can any one give negative testcases for calculator ..

Answer / kalpesh ghori (kp)

4+5-=0 is correct ans.
4+5=9 is Calculated result after that we press - key that means..9-9=0

Other example i will give ..
press 5 from keyboard then
press- key then
press = or enter key.
the ans is 5-5=0 is correct ans because calculator will consider the same number as second number.
one more time press Enter the ans is -5.

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6 No

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