Boundary Value Analysis (BA)

Boundary Value Analysis:-

Boundary value analysis is one of the block box testing technique ,to test input object input data size or length/range there are 6 ways to test the data size or length

• Min=
• Max=
• Min+1=
• Max+1=
• Min-1=
• Max-1=

these are useful for test the input data size or length/range

Example for boundary value analysis:-

test data preparation for username object ,customer requirement is username size should be min size is 4 and max size is 16 now we test the data by using boundary value analysis

min=4-Should be accepted

max=16-Should be accepted

min+1=5-Should be accepted

max+1=17-should be rejected

min-1=3-Should be rejected

max-1=15-Should be accepted